1) Find the Greatest Common Factor (GCF).
4x
2) Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)
\(4x(\frac{64xyz}{4x} +\frac{-36xy}{4x} +\frac{24x}{4x})\)
3) Simplify each term in parentheses.
\(4x(16yz-9y+6)\)
The greatest common factor of equation A = 64xyz - 36xy + 24x is 4x
A = 4x ( 16yz - 9y + 6 )
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is given by
A = 64xyz - 36xy + 24x
Now , the Greatest Common Divisor is the highest number that divides exactly into two or more numbers. It is also expressed as GCF
So , the equation A can be factorized as
Taking 4x as the common term of the equation , we get
A = 4x ( 16yz - 9y + 6 )
So , the common term is 4x and the greatest common factor of the equation A is 4x
Therefore , the GCF is 4x
Hence , The greatest common factor of equation A = 64xyz - 36xy + 24x is 4x and A = 4x ( 16yz - 9y + 6 )
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Using an equation (or equations) or a diagram of your choice (one that was covered in class), explain:
i) How does an increase in foreign output (Y∗) affect the domestic income level (Y) in an open economy setting?
ii) How does overall supply of money in an economy depend on the amount of central bank money (or base money or high powered money H)? Can the central bank change the overall supply of money without changing the amount of central bank money? How?
The overall supply of money in an economy depends on the amount of central bank money (base money or high powered money) through the money multiplier effect. An increase in foreign output (Y*) has a positive effect on the domestic income level (Y) in an open economy setting.
i) In an open economy setting, an increase in foreign output (Y*) affects the domestic income level (Y) through the expenditure approach. The equation used to explain this relationship is the expenditure-output (income) equation, which is a fundamental component of aggregate demand. The equation is:
Y = C + I + G + (X - M)
where:
Y = Domestic income level
C = Consumption
I = Investment
G = Government spending
X = Exports
M = Imports
When there is an increase in foreign output (Y*), it implies an increase in exports (X). This increase in exports leads to an increase in the net exports term (X - M) of the equation. Net exports represent the difference between exports and imports. As net exports increase, the equation suggests that the domestic income level (Y) also increases.
The increase in foreign output (Y*) implies that more goods and services are being produced by the foreign economy. This, in turn, leads to an increase in the demand for imports (M) from the foreign economy.
As a result, the net exports term (X - M) in the equation becomes larger, contributing positively to the domestic income level (Y). This is due to the increased demand for exports, which leads to an increase in net exports and ultimately boosts the domestic income level.
ii) The overall supply of money in an economy depends on the amount of central bank money, also known as base money or high powered money (H), through the money multiplier effect. The central bank can change the overall supply of money without changing the amount of central bank money through open market operations and changes in reserve requirements.
The overall supply of money in an economy is determined by the money multiplier effect. The money multiplier represents the ratio between the overall supply of money and the amount of central bank money. It shows how much commercial banks can expand the money supply through the lending process.
The money multiplier formula is:
Multiplier = 1 / Reserve Requirement
Reserve requirement refers to the percentage of deposits that banks must hold as reserves and not lend out. When the central bank changes the reserve requirement, it affects the money multiplier and, consequently, the overall supply of money. Lowering the reserve requirement increases the money multiplier, leading to a higher overall supply of money. Conversely, increasing the reserve requirement decreases the money multiplier and reduces the overall supply of money.
Additionally, the central bank can change the overall supply of money through open market operations. Open market operations involve the buying or selling of government securities by the central bank. When the central bank buys government securities, it injects money into the economy, increasing the overall supply of money.
Conversely, when it sells government securities, it withdraws money from the economy, reducing the overall supply of money. However, the central bank can change the overall supply of money without changing the amount of central bank money by adjusting the reserve requirement or conducting open market operations.
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Find the greatest common factor between 18 and 60? Help me or I die.....Jk help me plz
Step-by-step explanation:
I dont know the answer exactly but to find the greatest common factor you have to find out like the numbers that go into the timetable your talking about like e.g a factor of 18 would be 6,3,2 etc. once you have done that between both of them then you have to find the same numbers between them. and that's the answer. hope it helped I'm not exactly good at explaining
Prove that there is no positive integer n that satisfies the
equation 2n + n5 = 3000. (Hint: Can you narrow down the
possibilities for n somehow?)
By considering the parity of the equation and the growth rate of the terms involved, we can conclude that there is no positive integer n that satisfies the equation 2n + n^5 = 3000.
To prove that there is no positive integer n that satisfies the equation 2n + n^5 = 3000, we can use the concept of narrowing down the possibilities for n.
First, we can observe that the left-hand side of the equation, 2n + n^5, is always an odd number since 2n is always even and n^5 is always odd for any positive integer n. On the other hand, the right-hand side of the equation, 3000, is an even number. Therefore, we can immediately conclude that there is no positive integer solution for n that satisfies the equation because an odd number cannot be equal to an even number.
To further support this conclusion, we can analyze the behavior of the equation as n increases. When n is small, the value of 2n dominates the equation, and as n gets larger, the contribution of n^5 becomes much more significant. Since 2n grows linearly and n^5 grows exponentially, there will come a point where the sum of 2n + n^5 exceeds 3000. This indicates that there is no positive integer solution for n that satisfies the equation.
Therefore, by considering the parity of the equation and the growth rate of the terms involved, we can conclude that there is no positive integer n that satisfies the equation 2n + n^5 = 3000.
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What is the value of y?
if r is a step function and the system is closed-loop stable, what is the steady-state tracking error what is the system type
As the closed system is stable for a step function, the steady state tracking error is zero and the system is type 1.
The steady-state tracking error is the difference between the reference input r and the system output y at steady state. The system type is a classification of the system based on the number of integrators in the forward path of the system.
If r is a step function, the steady-state tracking error can be determined by the system type. A system with type 0 will have a constant steady-state tracking error for a step input, a system with type 1 will have zero steady-state tracking error for a step input, and a system with type 2 will have zero steady-state tracking error for a ramp input.
To determine the system type, we can look at the number of integrators in the forward path of the system. If there are no integrators, the system is type 0. If there is one integrator, the system is type 1. If there are two integrators, the system is type 2.
In conclusion, the steady-state tracking error for a step input is determined by the system type, which is based on the number of integrators in the forward path of the system. A system with type 0 will have a constant steady-state tracking error, a system with type 1 will have zero steady-state tracking error, and a system with type 2 will have zero steady-state tracking error for a ramp input.
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Ms. Lance is planning a birthday party. She decided that she
would spend no more than $I20 to buy a cake and balloons.
If the price of the cake is $45 and each balloon costs $15.
how many balloons can she buy?
Need the inequality and equality answer, and final answer
Answer:
The answer is 3
Step-by-step explanation:
You have to subtract 120-45 and that gets you to 75 Then divide 75 by 15 and that gives you 3. So the answer is 3
Answer:
15n + 45 ≤ 120
n ≤ 5
She can buy up to 5 balloons.
Step-by-step explanation:
Fixed amount: $45
Amount per balloon: $15
Let n = number of balloons
Total expense: maximum of $120, which means less than or wequal to $120
15n + 45 ≤ 120
15n ≤ 75
n ≤ 5
She can buy up to 5 balloons.
What is the final sales price of a telescope that originally cost $400 but was marked up 32?
Answer:
$528
Step-by-step explanation:
I'm assuming you mean up 32%?
answer the following, Round final answer to 4 decimal places. a.) Which of the following is the correct wording for the randon variable? r×= the percentage of all people in favor of a new building project rv= the number of people who are in favor of a new building project r N= the number of people polled r×= the number of people out of 10 who are in favor of a new building project b.) What is the probability that exactly 4 of them favor the new building project? c.) What is the probabilitv that less than 4 of them favor the new building project? d.) What is the probabilitv that more than 4 of them favor the new building project? e.) What is the probabilitv that exactly 6 of them favor the new building project? f.) What is the probability that at least 6 of them favor the new building project? 8.) What is the probabilitv that at most 6 of them favor the new building project?
In this problem, we are dealing with a random variable related to people's opinions on a new building project. We are given four options for the correct wording of the random variable and need to determine the correct one. Additionally, we are asked to calculate probabilities associated with the number of people who favor the new building project, ranging from exactly 4 to at most 6.
a) The correct wording for the random variable is "rv = the number of people who are in favor of a new building project." This wording accurately represents the random variable as the count of individuals who support the project.
b) To calculate the probability that exactly 4 people favor the new building project, we need to use the binomial probability formula. Assuming the probability of a person favoring the project is p, we can calculate P(X = 4) = (number of ways to choose 4 out of 10) * (p^4) * ((1-p)^(10-4)). The value of p is not given in the problem, so this calculation requires additional information.
c) To find the probability that less than 4 people favor the new building project, we can calculate P(X < 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3). Again, the value of p is needed to perform the calculations.
d) The probability that more than 4 people favor the new building project can be calculated as P(X > 4) = 1 - P(X ≤ 4) = 1 - (P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)).
e) The probability that exactly 6 people favor the new building project can be calculated as P(X = 6) using the binomial probability formula.
f) To find the probability that at least 6 people favor the new building project, we can calculate P(X ≥ 6) = P(X = 6) + P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10).
g) Finally, to determine the probability that at most 6 people favor the new building project, we can calculate P(X ≤ 6) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5) + P(X = 6).
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Please help someone with this additional gcse maths 'surds and indices' question :)
The simplest form of the expression is given as 12 + 6√3.
What is the simplest form of the expression?
We know that when we are asked to simplify in mathematics, they are asking us to write the expression in the simplest form that the expression can be in. In this case, we are to simplify 6/2 - √3.
Then we would now have to multiply the numerator and the denominator by the conjugate of the denominator such that we have;
6/2 - √3 * 2 + √3/2 + √3
12 + 6√3/4 +2√3 - 2√3 - 3
12 + 6√3/1
12 + 6√3
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Batting averages in baseball are defined by A = h/b, where h>=20 is the total number of hits and b>=0 is the total number of at-bats. Find the batting average for a batter with 60 hits in 180 at-bats. Then find the total differential if the number of the batter's hits increases to 62 and at-bats increases to 184. What is an estimate for the new batting average?
The batting average for a batter with 60 hits in 180 at-bats is 0.333.
The total differential when the number of hits increases to 62 and at-bats increase to 184 is 0.01.
The estimated new batting average is 0.343.
The batting average for a batter is calculated using the formula A = h/b, where h is the total number of hits and b is the total number of at-bats.
Given that the batter has 60 hits in 180 at-bats, we can calculate the batting average as follows:
Batting average = h/b = 60/180 = 0.3333
The batting average for this batter is 0.3333 or approximately 0.333.
To find the total differential when the number of hits increases to 62 and at-bats increase to 184, we can calculate the differential of the batting average:
dA = (∂A/∂h) * dh + (∂A/∂b) * db
Since the partial derivative (∂A/∂h) is equal to 1/b and (∂A/∂b) is equal to -h/b^2, we can substitute these values into the total differential equation:
dA = (1/b) * dh + (-h/b^2) * db
Substituting the given values dh = 62 - 60 = 2 and db = 184 - 180 = 4:
dA = (1/180) * 2 + (-60/180^2) * 4
= 0.0111 - 0.0011
= 0.01
Therefore, the total differential is 0.01.
To estimate the new batting average, we add the total differential to the original batting average:
New batting average = Batting average + Total differential
= 0.333 + 0.01
= 0.343
The estimated new batting average is approximately 0.343.
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what does the activity ratio measure in the value stream
The activity ratio in the value stream measures the efficiency of the production process by evaluating the ratio of value-added activities to non-value-added activities.
The activity ratio is a performance metric used in value stream mapping, which is a lean management tool for analyzing and improving the flow of materials and information in a production process.
It focuses on distinguishing value-added activities, which directly contribute to meeting customer requirements, from non-value-added activities, which do not add value but consume resources and time.
By calculating the activity ratio, organizations can assess the proportion of time and resources spent on value-added activities versus non-value-added activities.
A higher activity ratio indicates that a greater portion of resources is dedicated to value-added activities, indicating improved efficiency and reduced waste.
Conversely, a lower activity ratio suggests a higher proportion of resources being utilized for non-value-added activities, indicating potential areas for improvement and waste reduction.
The activity ratio serves as a valuable diagnostic tool for organizations to identify process inefficiencies, bottlenecks, and areas for improvement. By analyzing the activity ratio, organizations can streamline their processes, eliminate waste, and optimize resource allocation to enhance overall productivity and customer value.
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Sameer had $600 in his savings account. He wants to have at least $100 in the account
by the end of the year. He withdraws $20 a week for expenses. How many weeks can
Sameer withdraw money? Important! When you multiply or divide by a negative
number, the inequality sign reverses.>+<
amounts in savings - amount per week x number of weeks 2 amount of money at the
end of the year
30 weeks
25 weeks
O
5 weeks
20 weeks
Answer:
The answer is 25 weeks
Step-by-step explanation:
Let, Number of weeks = x
Now, the required expression is
∴\(600-20x\geq 100\\=>-20x\geq -500\\=>20x\leq 500\\x\leq 25\)
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The answer choices for number 2 is and the answer choices for number 1 is in the photo
1. Has no relation
2. Is the vertical angle to the corresponding angle
3. Is the corresponding angle
4. Is an alternate exterior angle
(Chapter 12) For any vectors u and v in V3, (u X v) * u =0
We can see that the statement is not always true for any vectors u and v in V3.
What are the cross product of vectors?The statement is not always true.
The cross product of vectors u and v in V3 is a vector that is orthogonal to both u and v. That is,
u x v ⊥ u and u x v ⊥ v
However, this does not necessarily mean that (u x v) * u = 0 for all u and v in V3.
For example, let u = <1, 0, 0> and v = <0, 1, 0>. Then,
u x v = <0, 0, 1>
(u x v) * u = <0, 0, 1> * <1, 0, 0> = 0
So in this case, the statement is true. However, consider the vectors u = <1, 1, 0> and v = <0, 1, 1>. Then,
u x v = <1, -1, 1>
(u x v) * u = <1, -1, 1> * <1, 1, 0> = 0
So in this case, the statement is also true. However, if we take the vector u = <1, 0, 0> and v = <0, 0, 1>, then
u x v = <0, 1, 0>
(u x v) * u = <0, 1, 0> * <1, 0, 0> = 0
So in this case, the statement is true as well.
However, if we take the vector u = <1, 1, 1> and v = <0, 1, 0>, then
u x v = <1, 0, 1>
(u x v) * u = <1, 0, 1> * <1, 1, 1> = 2
So in this case, the statement is not true.
Therefore, we can see that the statement is not always true for any vectors u and v in V3.
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The following expression has been simplified one step at a time. Match each step with the property used to get to that step. (Note: The column that lists the algebraic expressions is already in the correct order.)
1. (3 + 6x) - 5x
2. 3 + (6x - 5x)
3. 3 + (6 - 5) x
4. 3 + (1) x
5. 3 + x
a. multiplicative identity
b. distributive
c. associative
d. subtraction
e. commutative
Consider the PDE au(x, t) = 4 d²u(x, t) 2 Ət əx² For each of BCs and ICs, solve the initial value problem. du(π,t) a) BCs: u(0,t)=0 = = 0 and əx IC: u(x,0) = x ANSWER: f(x)= n=1 u(2,t) = 0 and u(0,t)=0 u(x,0)=sin x ANSWER: f(x)=¹1_sin(2 + nx) na n=1 1+ 2 X b) BCs: IC: 8 (2n-1) T n+1 (-1)041 -4(2n-1)²t sin(2-nπ) nπ 1- 2 e sin (2n-1) 2 na sin X 2 -(nn)²t x -X
the solution for the initial value problem is: u(x, t) = sin(sqrt(-λ² * (a / 4)) * x) * exp(-λ² * t) where λ = ± sqrt(-4n² / a), and n is a non-zero integer.
The given partial differential equation is:
au(x, t) = 4 * (d²u(x, t) / dt²) / (dx²)
a) BCs (Boundary Conditions):
We have u(0, t) = 0 and u(π, t) = 0.
IC (Initial Condition):
We have u(x, 0) = x.
To solve this initial value problem, we need to find a function f(x) that satisfies the given boundary conditions and initial condition.
The solution for f(x) can be found using the method of separation of variables. Assuming u(x, t) = X(x) * T(t), we can rewrite the equation as:
X(x) * T'(t) = 4 * X''(x) * T(t) / a
Dividing both sides by X(x) * T(t) gives:
T'(t) / T(t) = 4 * X''(x) / (a * X(x))
Since the left side only depends on t and the right side only depends on x, both sides must be equal to a constant value, which we'll call -λ².
T'(t) / T(t) = -λ²
X''(x) / X(x) = -λ² * (a / 4)
Solving the first equation gives T(t) = C1 * exp(-λ² * t), where C1 is a constant.
Solving the second equation gives X(x) = C2 * sin(sqrt(-λ² * (a / 4)) * x) + C3 * cos(sqrt(-λ² * (a / 4)) * x), where C2 and C3 are constants.
Now, applying the boundary conditions:
1) u(0, t) = 0:
Plugging in x = 0 into the solution X(x) gives C3 * cos(0) = 0, which implies C3 = 0.
2) u(π, t) = 0:
Plugging in x = π into the solution X(x) gives C2 * sin(sqrt(-λ² * (a / 4)) * π) = 0. To satisfy this condition, we need the sine term to be zero, which means sqrt(-λ² * (a / 4)) * π = n * π, where n is an integer. Solving for λ, we get λ = ± sqrt(-4n² / a), where n is a non-zero integer.
Now, let's find the expression for u(x, t) using the initial condition:
u(x, 0) = X(x) * T(0) = x
Plugging in t = 0 and X(x) = C2 * sin(sqrt(-λ² * (a / 4)) * x) into the equation above, we get:
C2 * sin(sqrt(-λ² * (a / 4)) * x) * C1 = x
This implies C2 * C1 = 1, so we can choose C1 = 1 and C2 = 1.
Therefore, the solution for the initial value problem is:
u(x, t) = sin(sqrt(-λ² * (a / 4)) * x) * exp(-λ² * t)
where λ = ± sqrt(-4n² / a), and n is a non-zero integer.
Note: Please double-check the provided equation and ensure the values of a and the given boundary conditions are correctly represented in the equation.
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How to convert 9hours 36 minutes to a fraction
Answer:
Step-by-step explanation:
9*60+36= 540+ 36= 576 minutes
so it is = 576/ 60 hours
Which statement is true about the given information?
A line has points B, C, D, and E. All points are equal distances from each other.
BD = One-halfBC
BC = One-halfBE
BD ≅ CE
BC ≅ BD
Mark this and return
Answer:
I think the answer is BD ≅ CE
A man earns $172 per week, while his aunt earns $784 per month. How much more does the man's aunt earn than him per week? [Hint: The man's aunt earn $ more than him per week.]
The amount that his aunt earns more than him in a week is $24. and
the amount that his aunt earns per week is $196.
According to the statement
we have find that the How much more does the man's aunt earn than him per week.
So, For this purpose, we know that,
According to the information:
The amount A man earns $172 per week, while his aunt earns $784 per month.
His aunt earns per week = $784 /4
His aunt earns per week = $196.
And the man earns $172 per week and the His aunt earns per week is $196.
The amount that his aunt earns more than him in a week = 196-172
The amount that his aunt earns more than him in a week = 24.
So, The amount that his aunt earns more than him in a week is $24. and
The amount that his aunt earns per week is $196.
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An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $2500 and his stock in Company B was worth $3600. The stock in Company A has increased 23% since last year and the stock in Company B has increased 14%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary)
The total percentage increase in the investor's stock account is 0.17%.
Total percentage increase in
Let us total the amount in the stock account
Company A was worth $2500.
Company B was worth $3600.
Total = $5180
when the stock in Company A increased by 23% she will have
$2500 *0.23= $575
Company A will worth $3075
when The stock in Company B increased by 14% she will have
$3600 *0.14= $514
Company B will worth $3086
In all after the decline in are portfolio is $3075+$3086= $6161
The difference for the original amount in her investment is = $3086-$3075 = $11
The total percentage decrease in the investor's stock account
= (11/6161)*100 = 0.147*100 = 0.17%
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A strain of bacteria takes 30 minutes to undergo fission. Starting with 500 bacteria, how many would there be after 7 hours?
There would be approximately \(1.79 \times 10^{135\) bacteria after 7 hours. This
number is extremely large and is beyond the capacity of most calculators
to handle.
After 30 minutes (0.5 hours), each bacterium will undergo fission and
become two bacteria. Therefore, the number of bacteria will double after
every 30 minutes.
In 7 hours, there are 7 x 2 x 2 x 2 x 2 x 2 x 2 = 7 x 2^6 = 448 bacterial
cycles.
So, the final number of bacteria would be:
\(500 \times 2^{448} = 1.79 \times 10^{135\)
Therefore, there would be approximately 1.79 x 10^135 bacteria after 7
hours.
This number is extremely large and is beyond the capacity of most
calculators to handle.
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Is 1 ml equal to 1 gram?
No, 1 ml unit is not equal to 1 gram unit.
What are units?
Units are the tools to measure and compare different things. Comparison becomes easy when all the units for the measurement are the same. Different units can be classified depending on their use.
There are two type of units
1. Fundamental Units: Fundamental units are all those units that do not depend on any other unit (including themselves). These units cannot be further reduced to the elementary level. In fact, these are elementary units. Only seven fundamental units exist in Metric System or SI system which are
Length (meter, m)
Mass (kilogram, kg)
Time (second, s)
Temperature (kelvin, K)
Amount of substance (mole, mole)
Electric current (ampere, A)
Luminous intensity (candela, cd)
2. Derived units: These units are all those units that are obtained by multiplying and/or dividing one or more fundamental units with or without introducing any other numerical factor. These units can be reduced to their elementary level, which is composed of fundamental units. There exist a large number of derived units in the Metric System.
Examples:
Velocity (m/s)
Acceleration (m/s2)
Momentum (kg-m/s)
Force (N)
Density (kg/m3)
Heat (J)
Energy (J)
Power (W), etc.
Now,
Only 1 ml of water is equal to 1gm.
Apart from that, milliliters (volume) and grams (weight/mass) are not interchangeable.
Hence,
No, 1 ml unit is not equal to 1 gram except in case of water.
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write the first six cube if natural number
Answer:
1³ = 1
2³ = 8
3³ = 27
4³ = 64
5³ = 125
6³ = 216
Step-by-step explanation:
Answer:
The cube of first six natural numbers are
1, 8, 27, 65, 125, 216
Step-by-step explanation:
Natural Numbers are known as 1, 2, 3, 4, ..., ∞
Now,
For Cube of first six natural numbers
1³ = 1
2³ = 8
3³ = 27
4³ = 64
5³ = 125
6³ = 216
Thus, The cube of first six natural numbers are
1, 8, 27, 65, 125, 216
-TheUnknownScientist
Add. Write your answer in simplest form.
12
5
AW
N
0
어
0
1000
08를
어름
Answer:
equation not clear. Never in my life have I seen a symble like that
For a given calendar year, Mrs. Terry pays the first $2,500 of her medical expenses plus 20% of all medical expenses
over $2,500. In the equation shown, y represents the amount that she pays when x is the total dollar amount of her
medical expenses for the year.
V = 2,500 + 0.2 (x - 2,500)
for x ≥ 2,500
If y = $2,632 for this year, what is x, Mrs. Terry's total medical expenses?
The total expenses of Mrs Terry is given as $3160
How to solve for the total expensesWe have to form the equation as
2632 = 2500 + 20%(x - 2500)
We have to use the multiplicative distributive law here
Such that we would have
2632 = 2500 + 0.2x - 500
We have to rearrange the terms
2632 - 2500 + 500 = 0.2x
632 = 0.2x
Next we have to divide through by 0.2
632 / 0.2 = x
3160 = x
Hence the total expenses of Mrs Terry is given as $3160
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Help please Math is annoying.
Answer:
1
Step-by-step explanation:
so you want to input the numbers into variables so for (p+q)^2 you input p as 4 and q as 8 (4+8)^2 and then you add 4+8 which is 12. Then you have to do 12 to the power of 2 which is 12x12 and the answer to that is 144. For the bottom you input p as 4 and then for -2q you have to input the 8, -2(8) and that equals to -16 so then it's 4-16 so it equals to -12. Then you have to do -12 divided by 12 which equals to 1.
Find a list of courses (sections) where the percentage of students with d or f is greater than average.
The list of courses where the percentage of students with D or F grades is greater than the average includes Course A and Course B.
To find a list of courses where the percentage of students with a grade of D or F is greater than the average, follow these steps:
1. Calculate the average percentage of students with D or F grades across all courses.
2. Determine the percentage of students with D or F grades for each course.
3. Compare the percentage of students with D or F grades for each course to the average percentage calculated in step 1.
4. Identify the courses where the percentage of students with D or F grades is greater than the average.
Let's assume we have the following data for three courses:
Course A:
- Total number of students: 50
- Number of students with D or F grades: 10
- Percentage of students with D or F grades: (10/50) * 100 = 20%
Course B:
- Total number of students: 60
- Number of students with D or F grades: 15
- Percentage of students with D or F grades: (15/60) * 100 = 25%
Course C:
- Total number of students: 40
- Number of students with D or F grades: 5
- Percentage of students with D or F grades: (5/40) * 100 = 12.5%
Now, let's calculate the average percentage of students with D or F grades:
Total percentage of students with D or F grades = (20% + 25% + 12.5%) / 3 = 57.5% / 3 = 19.17%
Finally, compare the percentage of students with D or F grades for each course to the average percentage:
- Course A's percentage (20%) is higher than the average (19.17%)
- Course B's percentage (25%) is higher than the average (19.17%)
- Course C's percentage (12.5%) is lower than the average (19.17%)
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please help I don't know what it is
Answer:
2. is the correct one
Step-by-step explanation:
4x-3x^3+2
Answer:
-x^3-4x-2
step by step
Please help! I will award brainliest and give 100 points!!
Topic: calculus definite integrals and u substitution
Answer:
\(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = ln3\)
General Formulas and Concepts:
Pre-Calculus
Unit CircleCalculus
Derivatives
Derivative Notation
Trig Derivatives
Integrals
Definite IntegralsIntegration Constant C
Integration Rule [Fundamental Theorem of Calculus 1]: \(\displaystyle \int\limits^b_a {f(x)} \, dx = F(b) - F(a)\)
Integration Property [Multiplied Constant]: \(\displaystyle \int {cf(x)} \, dx = c \int {f(x)} \, dx\)
Trig Integration
Logarithmic Integration
U-Substitution
Step-by-step explanation:
Step 1: Define
Identify
\(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx\)
Step 2: Integrate Pt. 1
Identify variables for u-substitution.
Set u: \(\displaystyle u = 1 + cos(x)\)[u] Differentiate [Trig Derivative]: \(\displaystyle du = -sinx \ dx\)Step 3: Integrate Pt. 2
[Integral] Rewrite [Integration Property - Multiplied Constant]: \(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = -\int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{-sinx}{1 + cosx}} \, dx\)[Integral] U-Substitution: \(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = -\int\limits^{\frac{1}{2}}_{\frac{3}{2}} {\frac{1}{u}} \, du\)[Integral] Logarithmic Integration: \(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = -ln|u| \bigg| \limits^{\frac{1}{2}}_{\frac{3}{2}}\)Evaluate [Integration Rule - Fundamental Theorem of Calculus 1]: \(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = -(-ln3)\)Simplify: \(\displaystyle \int\limits^{\frac{2 \pi}{3}}_{\frac{- \pi}{3}} {\frac{sinx}{1 + cosx}} \, dx = ln3\)Topic: AP Calculus AB/BC (Calculus I/I + II)
Unit: Integration
Book: College Calculus 10e
Construct a 3×3 matrix, not in echelon form, whose columns span ℝ3.Show that the constructed matrix has the desired property.
To construct a 3×3 matrix, not in echelon form, whose columns span ℝ³, we can choose three linearly independent vectors as the columns of the matrix.
To demonstrate that the constructed matrix has the desired property of spanning ℝ³, we can construct a specific example. Let's consider the matrix A:
A = [[1, 0, 0],
[0, 1, 0],
[0, 0, 1]]
In this case, A is a 3×3 matrix with three columns [1, 0, 0], [0, 1, 0], and [0, 0, 1]. Each column represents a standard basis vector in ℝ³.
To show that the columns of A span ℝ³, we need to demonstrate that any vector in ℝ³ can be expressed as a linear combination of the columns of A.
Let's consider an arbitrary vector x = [x₁, x₂, x₃]ᵀ in ℝ³. We can express x as a linear combination of the columns of A:
x = x₁[1, 0, 0] + x₂[0, 1, 0] + x₃[0, 0, 1]
Simplifying this expression, we get:
x = [x₁, x₂, x₃]ᵀ
Thus, we have shown that any vector x in ℝ³ can be expressed as a linear combination of the columns of the matrix A. Therefore, the columns of A span ℝ³.
Note: It is important to emphasize that there are many possible matrices that can be constructed to satisfy the given condition. The example provided here is just one of the many valid choices
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