Answer:
pls rephrase ill answer in the comments
Lee says 20% of 70 is more than 70% of 20 Is Lee correct? You must show your working.
Answer:
so he would not be right, since they equal the same number.
Step-by-step explanation:
70x20%, or 70x.20=14
and
20x70%, or 20x.70=14.
please rate and mark as brainlest.
Answer:
Both are equall. 14 =14.....
Step-by-step explanation:
mark me brainly
write the sentence as an inequality. A number n plus 8 is greater than 11
The Inequality is ___
Solve the inequality
The solution is ___
Answer:
The Inequality n+8>11
n>3
Step-by-step explanation:
The inequality for the given phrase is n+8>11 and its solution is n∈(-∞,3).
What are inequalities?Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.
The given phrase "A number n plus 8 is greater than 11" can be written in the form of inequality as shown below.
A number n plus 8 → n+8A number n plus 8 is greater than 11 → n+8>11Now, the inequality can be solved for the value of n as shown below,
n + 8 > 11
Subtract 8 from both sides of the inequality,
n + 8 - 8 > 11 - 8
n > 3
Hence, the inequality for the given phrase is n+8>11 and its solution is n∈(-∞,3).
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Suppose that 17 inches of wire costs 85 cents. At the same rate, how much (in cents) will 13 inches of wire cost?
Answer:
65 cents
\(85 \div 17\)
85/17 =5
so for 1 inch of wire is 5 cents but we want to know for 13 inches
so times 5 by 13
5cents*13=65cents
solve for A'0 (A0−A0′)^−γ=βR(RA0′)^−γ
The solution for A'0 is as follows:
A'0 = (βR^(-1/γ) / (1 - R^(-1/γ)))^(1/γ)
We start with the equation (A0 - A0')^(-γ) = βR(RA0')^(-γ). To solve for A'0, we isolate it on one side of the equation.
First, we raise both sides to the power of -1/γ, which gives us (A0 - A0') = (βR(RA0'))^(1/γ).
Next, we rearrange the equation to isolate A'0 by subtracting A0 from both sides, resulting in -A0' = (βR(RA0'))^(1/γ) - A0.
Finally, we multiply both sides by -1, giving us A'0 = -((βR(RA0'))^(1/γ) - A0).
Simplifying further, we get A'0 = (βR^(-1/γ) / (1 - R^(-1/γ)))^(1/γ).
Complete question - Solve for A'0, given the equation (A0 - A0')^(-γ) = βR(RA0')^(-γ),
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find expressed as a function of t for the given the parametric equations: . (b) find expressed as a function of t. . (c) except for at the points where is undefined, is the curve concave up or concave down? (enter 'up' or 'down'). concave .
Without the specific parametric equations, it is not possible to find y or x expressed as functions of t, nor determine the concavity of the curve.
Given a set of parametric equations, we are asked to find (a) y expressed as a function of t, (b) x expressed as a function of t, and (c) determine whether the curve is concave up or concave down, except for the points where it is undefined. To find y expressed as a function of t, we examine the given parametric equations. However, the specific parametric equations are missing from the provided information. To determine y as a function of t, we need the equation that relates y to t.
Similarly, to find x expressed as a function of t, we need the equation that relates x to t. Without the parametric equations, we cannot provide an answer to this part. To determine whether the curve is concave up or concave down, we need the second derivative of either x or y with respect to t. However, since the parametric equations are not given, we cannot calculate the second derivative and determine the concavity of the curve.
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On a number line, point a is located at 6, point c is located at 9, and point b lies between points a and c. what is the location of b such that the ratio of ab:bc is 3:1? a 6.75 b 7.66 c 8.25 d 10.50
The location of point b on the number line is 8.25.
To find the location of point b on the number line, we need to determine the value that satisfies the ratio of ab:bc being 3:1.
Let's assume that the location of point b is represented by the variable x.
Given that the ratio of ab:bc is 3:1, we can set up the following equation:
ab/bc = 3/1
To find the length of ab and bc, we subtract the respective coordinates:
ab = x - 6
bc = 9 - x
Now we can substitute these values into the equation:
(x - 6)/(9 - x) = 3/1
To solve this equation, we can cross-multiply:
1 * (x - 6) = 3 * (9 - x)
Simplifying the equation:
x - 6 = 27 - 3x
Combine like terms:
4x = 33
Divide both sides by 4:
x = 33/4 = 8.25
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Please answer correctly !!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!
A carton of grapefruit juice displays the nutritional information shown below. How many grams of sugar are there in a 200 ml glass of juice? Grapefruit juice 250 ml contains Carbohydrate Sugar Protein 19.5 g | 16.5 g | 1.5 g
Answer:
13.2 g
Step-by-step explanation:
let x = grams sugar in a 200 ml glass
16.5 g sugar / 250 ml = x g sugar / 200 ml
x(250) = (16.5)(200)
x = (16.5)(200) / (250) = 3300 / 250 = 13.2
Answer: there are 13.2 g sugar in a 200 ml glass of juice
(3x — 2) (2x +9)
I need help!!!
Answer:
use math) way (dot com
Step-by-step explanation:
type it in on math) way (dot com
How is field data aggregated? Number of failed parts Number of failures Hours of operation Maintenance time Mark for follow up Question 3 of \( 7 . \) Data collection extends over a large number of it
Field data aggregation is the process of summarizing, combining, and analyzing data that has been collected from various sources. The following are some of the common ways that field data is aggregated: Count of Failures: A count of how many times a failure has occurred within a given period of time,
such as a day or a week. Number of Failed Parts: The number of parts that have failed over a given period of time, such as a day or a week. Hours of Operation: The amount of time that a machine or system was operational during a given period of time, such as a day or a week. Maintenance Time: The amount of time that was spent maintaining a machine or system during a given period of time, such as a day or a week.
Mark for Follow-Up: An indication of which issues need to be addressed or followed up on to prevent future failures or improve performance. Field data aggregation is the process of summarizing, combining, and analyzing data that has been collected from various sources. The following are some of the common ways that field data is aggregated: Count of Failures: A count of how many times a failure has occurred within a given period of time,
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the volume of a cube is 216 ft what is the length of a side
Answer:
S = 6 ftStep-by-step explanation:
216 = S³
S = ∛216
S = 6 ft
Which number represents the length
1/3x +(2x+8) +x=205
Answer: x=59 1/10 x=59.1
Step-by-step explanation:
shinji is considring 2 diffrent layouts if a gardwen. He needs to put a length of fence around whicever layout he choose wich layout needs more fencing and how much
Shinji is considering two different layouts for a garden. He needs to put a length of fence around whichever layout he chooses.
Which layout needs more fencing and how much?
We cannot determine which layout needs more fencing without knowing the dimensions of both layouts. Please provide more information such as the length and width of each layout. Then, we can calculate the perimeter of each layout to determine which layout needs more fencing.
Note: A fence is typically used to surround a garden to prevent unwanted visitors and animals from entering the garden.
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Lin runs 10 laps around a track in 12 minutes. How many minutes per lap was that
?
Using the unitary method, we were able to determine that Lin ran each lap in 1.2 minutes, or 72 seconds.
To use the unitary method, we first need to determine the ratio between the number of laps and the time it took to run them. We can do this by dividing the total time by the number of laps:
Ratio = Total time / Number of laps
Ratio = 12 minutes / 10 laps
Ratio = 1.2 minutes per lap
Now we have the ratio between the time and the number of laps. We can use this ratio to find the time it took to run one lap by dividing the ratio by the number of laps:
Time per lap = Ratio / Number of laps
Time per lap = 1.2 minutes per lap / 1 lap
Time per lap = 1.2 minutes
Therefore, it took Lin 1.2 minutes, or 72 seconds, to run one lap around the track.
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Michael rolled a number cube that has sides labeled 1 to 6. What is the probability that he rolled a 2 and then a 4?
Answer:
3/4
Step-by-step explanation:
The length of a football field is 120 yards from one and one to the other end zone.
Answer:
To solve, you need to use Pythagorean Theorum
a^2+b^2=c^2
100^2+53.33^2 = c^2
10,000+2844.0889=c^2
12844.1=c^2
square root
= 113 1/3 yards
So it is less than 120 yards
Step-by-step explanation:
Here's a primer on how the dimensions play out at every level, from high school football to the NCAA and on up to the NFL. There are two constants, across the level of competition: 120 yards (360 feet) of length and 53 1/3 yards (160 feet) of width.
i think this is what your looking for?!
The sum of a number and the opposite of 3 equals 4
Assume that the number is x
The opposite of 3 is -3
Since the sum of the number and the opposite of 3 equals 4
Therefore:
\(x+(-3)=4\)Remember (+)(-) = (-), so
\(x-3=4\)To find x we need to move 3 to the other side by adding 3 to both sides
\(\begin{gathered} x-3+3=4+3 \\ x=7 \end{gathered}\)Since x represents the number, so
The number is 7
Let us check the answer
7 + -3 = 4
The answer is correct
Needing help...again giving out many points if right (90 to be exact)
What is the value of x?
Enter your answer in the box.
x =
Answer:
x=12
Step-by-step explanation:
4x-10=3x+2
Subtract 3x on both sides:
x-10=2
Add 10 on both sides:
x=12
Hope this helps!
Half the product of two numbers x and y
Evaluate the expression when m=6
m²-5m-4
Thank you if you help :)
Answer:
2
Step-by-step explanation:
6*6-5(6)-4
36-30-4
36-30=6
6-4=2
2 is your answer
hope this helped :)
Last year,raul earned $17,500 working as a freelance writer and 15,250 as a waiter the income tax he must pay is 18% what is the amount of income tax he must pay
Answer: $5,895
Step-by-step explanation:
First you want to add the earnings in order to find the total value being taxed.
17,500 + 15,250 = 32,750
We can then find the percent as a decimal by dividing it by 100:
\(\frac{18}{100} = .18\)
We can then multiply the total earnings by this decimal to find the total income tax:
\(32,750 * .18 = 5,895\)
Hope this helps
Show the calculating process by the restoring-division
algorithm for the following division case:
Divisor 00011
Dividend 1011
The quotient is 1111. The process continues until the result is less than the divisor.
To perform the division using the restoring-division algorithm with the given divisor and dividend, follow these steps:
Step 1: Initialize the dividend and divisor
Divisor: 00011
Dividend: 1011
Step 2: Append zeros to the dividend
Divisor: 00011
Dividend: 101100
Step 3: Determine the initial guess for the quotient
Since the first two bits of the dividend (10) are greater than the divisor (00), we can guess that the quotient bit is 1.
Step 4: Subtract the divisor from the dividend
101100 - 00011 = 101001
Step 5: Determine the next quotient bit
Since the first two bits of the result (1010) are still greater than the divisor (00011), we guess that the next quotient bit is 1.
Step 6: Subtract the divisor from the result
101001 - 00011 = 100110
Step 7: Repeat steps 5 and 6 until the result is less than the divisor
Since the first two bits of the new result (1001) are still greater than the divisor (00011), we guess that the next quotient bit is 1.
100110 - 00011 = 100011
Since the first two bits of the new result (1000) are still greater than the divisor (00011), we guess that the next quotient bit is 1.
100011 - 00011 = 100001
Since the first two bits of the new result (1000) are still greater than the divisor (00011), we guess that the next quotient bit is 1.
100001 - 00011 = 011111
Since the first two bits of the new result (0111) are less than the divisor (00011), we guess that the next quotient bit is 0.
011111 - 00000 = 011111
Step 8: Remove the extra zeros from the result
Result: 1111
Therefore, the quotient is 1111.
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A tree casts a 249 centimeter shadow. A person next to the tree casts a 91 centimete
shadow. If the person is 169 centimeters tall, how tall is the tree to the nearest
centimeter?
2. Supposed the prevalence of Sudden infant death syndrome (SIDS) is 0.01%. At a local Maternity hospital 3 of the 100 newborn infants died of SIDS following birth. a. What is the probability of 3 dying of SIDS in this situation? b. In this situation would you find it alarming that this many died or would this be expected. Why or why not? (write 1-3 sentences explaining
The probability of 3 dying of SIDS in this situation is approximately 0.000227. The number of SIDS cases in this hospital is significantly higher than the expected rate.
a. The probability of 3 infants dying of SIDS in this situation can be calculated using the binomial probability formula:
P(X=k) = C(n,k) * p^k * (1-p)^(n-k)
Where:
P(X=k) is the probability of k successes (SIDS cases) in n trials (infants),
C(n,k) is the number of combinations of n items taken k at a time,
p is the probability of SIDS (0.0001),
n = 100 infants,
k = 3 SIDS cases.
P(3 SIDS cases in 100 infants) = C(100,3) * (0.0001)^3 * (1-0.0001)^(100-3)
After calculating, the probability is approximately 0.000227.
b. In this situation, it is alarming that many infants died of SIDS, as the probability of 3 deaths in 100 infants is very low (0.000227), much lower than the prevalence of 0.01%. This indicates that the number of SIDS cases in this hospital is significantly higher than the expected rate.
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Tom is mailing packages. Each small package costs him $2.50 to send. Each large package costs him $3.10 . How much will it cost him to send 4 small packages and 1 large package?
Answer: $13.10
Step-by-step explanation: 4 small packages, 4*2.50 is $10. Add one large package which is $3.10 and you'll have your answer, it costs $13.10.
Answer:
It will cost him $13.10 to send 4 small packages and 1 large package.
Step-by-step explanation:
1. Cost of sending 4 small packages = 4 * $2.5 = 4 * $2.50 = $10
2. Cost of sending 1 large package = 1 * 3.1 = $3.1
Total cost of sending 4 small and 1 large packages = $10 + $3.10 = $13.10
A statistical test used to help answer the question of whether an observed difference is real or just due to chance error.a. trueb. false
a. A statistical test used to help answer the question of whether an observed difference is real or just due to chance error- true
The statistical test referred to in the question is known as a hypothesis test. It is used to determine the probability that the observed difference between two groups or variables is not due to chance but rather represents a true difference. The test involves setting up a null hypothesis, which assumes that there is no difference between the groups or variables, and an alternative hypothesis, which assumes that there is a real difference.
The test calculates a p-value, which represents the probability of obtaining the observed difference by chance if the null hypothesis is true.
If the p-value is below a predetermined level of significance (usually 0.05), then the null hypothesis is rejected and the alternative hypothesis is accepted.
This means that the observed difference is considered real and not just due to chance error.
Hence, If the p-value is below a certain level of significance, the null hypothesis is rejected and the alternative hypothesis is accepted, indicating that the observed difference is real.
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Question 32:
Write an equation in Slope-Intercept form for the
line that passes through (1,-3) and is parallel to
y+2 = 4(x-1)
The equation y+2 = 4(x-1) is already in slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept. In this equation, the slope is 4 and the y-intercept is -2.
For a line that is parallel to y+2 = 4(x-1), the slope (m) will be the same, which is 4.
To find the equation of a line that passes through a specific point (1,-3), we can use the point-slope form of a linear equation: y - y1 = m(x - x1)
So, using the point (1,-3) and the slope (4), we can write the equation as:
y - (-3) = 4(x - 1)
Simplifying this equation gives:
y + 3 = 4x - 4
Finally, we can write the equation in slope-intercept form by adding 4 to both sides and dividing both sides by 4:
y = 4x - 1
So the equation for the line that passes through (1,-3) and is parallel to y+2 = 4(x-1) is y = 4x - 1
2x+3forx=3
show work
Answer:
9
just sub value of x into the equation
(2x3)+3
6+3
9
evaluate ∮cxdx ydyx2 y2, where c is any jordan curve whose interior does not contain the origin, traversed counterclockwise. ∮cxdx ydyx2 y2=
The value of the line integral ∮c x dx + y dy / \((x^2 + y^2)\), where c is any Jordan curve whose interior does not contain the origin, traversed counterclockwise, is 0.
To evaluate the line integral ∮c x dx + y dy / \((x^2 + y^2)\), where c is any Jordan curve whose interior does not contain the origin, traversed counterclockwise, we can apply Green's theorem.
Green's theorem states that for a vector field F = P(x, y) i + Q(x, y) j, and a simple closed curve C with positively oriented boundary, the line integral of F along C is equal to the double integral of the curl of F over the region enclosed by C.
In this case, the vector field F = x i + y j, and the line integral becomes ∮c x dx + y dy / \((x^2 + y^2)\) = ∬R curl(F) dA.
The curl of F is given by curl(F) = (∂Q/∂x - ∂P/∂y) k = (1 - 1) k = 0.
Since the curl of F is zero, the line integral becomes ∬R 0 dA = 0.
Therefore, the value of the line integral ∮c x dx + y dy / \((x^2 + y^2)\), where c is any Jordan curve whose interior does not contain the origin, traversed counterclockwise, is 0.
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two numbers have a sum of 30,000 if 7% of the first number is added to 10% of the second, the result is 2,400. find the numbers
The numbers x and y values are the integer x = 29,288 and y = 713.
What is a linear equation?
Ax+By=C represents a two-variable linear equation in its standard form.
A linear equation with one variable has the conventional form Ax + B = 0. x is a variable, A is a coefficient, and B is constant in this situation.
An equation is used to show the relationship between variables, and numbers.
Let's call the two numbers x and y, where x is the first number and y is the second number. We are given that x + y = 30,000 and that 0.07x + 0.1y = 2,400.
Using substitution, we can solve for one variable in terms of the other and then substitute this expression into the other equation.
From the first equation, we can solve for y: y = 30,000 - x
Substituting this expression into the second equation, we get:
0.07x + 0.1(30,000 - x) = 2,400
0.07x + 3,000 - 0.1x = 2,400
Combining like terms, we get:
-0.03x = -600
Dividing both sides by -0.03, we get:
x = 20,000
Substituting this value back into the first equation, we can solve for y:
y = 30,000 - x
y = 30,000 - 20,000
y = 10,000
Therefore, the two numbers are x = 20,000 and y = 10,000.
Alternatively, we could have used elimination to solve the system. We can do this by adding the two equations together:
x + y = 30,000
0.07x + 0.1y = 2,400
0.07x + 0.1y + x + y = 30,000 + 2,400
0.17x + 1.1y = 32,400
Dividing both sides by 0.17, we get:
x + 6.47y = 190,588
Multiplying both sides of the first equation by 6.47, we get:
6.47x + 6.47y = 194,490
Subtracting the second equation from the first, we get:
5.47y = 3,902
Dividing both sides by 5.47, we get:
y = 712.5
Substituting this value back into the first equation, we can solve for x:
x = 30,000 - y
x = 30,000 - 712.5
x = 29,287.5
Since x and y must be positive integers, we can round these values to the nearest integer to get x = 29,288 and y = 713. These values are very close to the actual solution, which is x = 20,000 and y = 10,000. This is because we introduced some error when we divided both sides of the equation 0.17x + 1.1y = 32,400 by 0.17.
Hence, the numbers x and y values are the integer x = 29,288 and y = 713.
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