If the consumption function C=350+0.90∗Yd, the savings function S = 0.1Yd - 350, the level of savings when Yd= $3500 is 0, the break-even level of Yd is $875, the slope indicates the proportion of disposable income that is consumed, and the graph of the savings function is shown below.
a) The formula to find the savings is as follows: S = Yd - C = Yd - (350 + 0.90Yd) = 0.1Yd - 350. Therefore, the saving function is S = 0.1Yd - 350.
b) When Yd = $3,500, S = 0.1(3,500) - 350= $0. Therefore, the level of savings when Yd=$3,500 is $0.
c) The break-even level of Yd is the level of disposable income where the level of consumption equals the level of savings. So, 0.1Yd - 350 = 350+0.90∗Yd ⇒0.80Yd = 700 ⇒Yd = $875. Hence, the break-even level of Yd is $875.
d) The slope of the consumption function measures the responsiveness of consumption to a change in disposable income. The consumption function's slope above is 0.90, which means that for every one unit increase in disposable income, consumption increases by 0.90 units.
e) The graph for the saving function S = 0.10Yd - 350 will be a straight line with a slope of 0.10 and a y-intercept of -350. The x-axis will be the disposable income, and the y-axis will be savings. Plotting the points (0, -350) and (3500, 0), we can plot the graph as shown below.
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Find the range of allowable values based on the given information. Round to the nearest tenth. 24; can vary by 3.5%
Round to nearest tenth is 0.9 in percentage .
What does the % mean?
A percentage is a figure or ratio that can be stated as a fraction of 100 in mathematics. If we need to determine a percentage of a number, multiply it by 100 and divide it by the total. So, a part per hundred is what the percentage refers to. Per 100 is what the word percent means. The letter "%" stands for it.By dividing the value by the sum of the values, and then multiplying the outcome by 100, one can get the percentage. The formula for calculating percentage is (value/total value)100%.Percent is derived from the Latin word per centum, which means "by the hundred."24×3.5% = 0.84
so round to nearest tenth is 0.9.
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What is the sum of 33 and p
Answer:
33+p
that's it 33+p
sum = 33+p
suppose x follows a continuous uniform distribution from 1 to 5. determine the conditional probability P(x>2.5|x<=4)
X follows a continuous uniform distribution from 1 to 5. Then, the conditional probability of x being greater than 2.5 given that it is less than or equal to 4 is 0.5.
We can use Bayes' theorem and the definition of conditional probability to solve this problem.
Let A be the event that x is less than or equal to 4, and B be the event that x is greater than 2.5. Then, we want to find P(B|A), the conditional probability of B given A.
By Bayes' theorem, we have:
P(B|A) = P(A|B) * P(B) / P(A)
We can find each of these probabilities separately:
P(A) is the probability that x is less than or equal to 4, which is given by the cumulative distribution function(CDF) of the uniform distribution:
P(A) = (4 - 1) / (5 - 1) = 0.75
P(B) is the probability that x is greater than 2.5, which is also given by the CDF of the uniform distribution:
P(B) = (5 - 2.5) / (5 - 1) = 0.375
For P(A|B), we can use the formula for conditional probability:
P(A|B) = P(A and B) / P(B)
The probability of A and B can be found using the joint probability density function (PDF) of the uniform distribution:
f(x) = 1 / (5 - 1) = 0.25, for 1 <= x <= 5
Then, we have:
P(A and B) = ∫2.5^4 f(x) dx = ∫2.5^4 0.25 dx = 0.375
Therefore, we have:
P(A|B) = P(A and B) / P(B) = 0.375 / 0.375 = 1
Finally, we can substitute these values into Bayes' theorem to find P(B|A):
P(B|A) = P(A|B) * P(B) / P(A) = 1 * 0.375 / 0.75 = 0.5
Therefore, the conditional probability of x being greater than 2.5 given that it is less than or equal to 4 is 0.5.
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Find an equation in standard form of the
parabola that passes through (-1, 17),
(1,17), (2,8)
Answer:
y = -3x² + 20
Step-by-step explanation:
y=ax² + bx + c
pass (-1,17): 17 = a*(-1)² + b*(-1) +c = a-b+c ...(1)
pass (1,17): 17 = a*(1)² + b*(1) +c = a+b+c ...(2)
pass (2,8): 8 = a*(2)² + b*(2) +c = 4a+2b+c ...(3)
(2)-(1): 2b = 0 b=0
(3)-(2): 8-17 = 3a + b = 3a
==> -9 = 3a a=-3
c = 17-a-b = 17 +3 - 0 = 20
equation: y = -3x² + 20
anyone d t f ?????????????????????????????????
Answer:
hmm how about no
Step-by-step explanation:
thx for the free points! Hope your life gets better
Gabriella signed up for a streaming music service that costs $8 per month. The service allows Gabriella to listen to unlimited music, but if she wants to download songs for offline listening, the service charges $1 per song. How much total money would Gabriella have to pay in a month in which she downloaded 50 songs? How much would she have to pay if she downloaded s songs?
Answer:
$58
8 + 1s
Step-by-step explanation:
a rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 2 − x 2 . what are the dimensions of such a rectangle with the greatest possible area?
To find the dimensions of the rectangle with the greatest possible area inscribed in the parabola y = 2 - x^2, we need to maximize the area function by determining the x-coordinate where the derivative of the area function is zero.
Let's consider a rectangle with its base on the x-axis, which means its height will be given by the y-coordinate of the parabola. The width of the rectangle will be twice the x-coordinate. Therefore, the area of the rectangle is given by A = 2x(2 - x^2).
To maximize the area, we take the derivative of A with respect to x and set it equal to zero to find critical points. Differentiating A, we get dA/dx = 4 - 6x^2.
Setting 4 - 6x^2 = 0 and solving for x, we find x = ±√(2/3).
Since the rectangle is inscribed, we consider the positive value of x. Therefore, the x-coordinate of the upper corner of the rectangle is √(2/3). Plugging this value back into the equation of the parabola, we get y = 2 - (√(2/3))^2 = 2 - 2/3 = 4/3.
Hence, the dimensions of the rectangle with the greatest possible area are a base of length 2√(2/3) on the x-axis and a height of 4/3.
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A system of three linear equations in three variables is inconsistent. how many solutions to the system exist? none one three infinitely many
No solutions exist to this system of equations
A system of equations is said to be inconsistent if the two equations do not agree, meaning that there is no set of values that can simultaneously satisfy each equation. For example, the most basic inconsistent system of equations could be x = 4 a nd x = 5 at same time which is not possible.
A single equation in three unknowns can be interpreted geometrically in 3-dimensional space. If we look at a system of such linear equations, the solution set is the set of all points lying in all of the corresponding planes.
Systems of equations in three variables that are inconsistent could result from three parallel planes, two parallel planes and one intersecting plane, or three planes that intersect the other two but not at the same location.
Hence, No solutions exist to this system of equations
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Answer:
a
Step-by-step explanation:
Let P(x, y) means x +1> y. Let 2 € Z and y € N, select all the formulas below that are true in the domain. A. Vay P(x,y) B. ByVx P(x,y) C. 3xVy P(x,y) D. Vyc P(x,y) E. 3xVy - P(x, y) F. ByVx - P(x, y) G. Vzy -P(,y) H. -3xVy P(x,y) I. None of the above.
The formulas below that are true in the domain.
The correct answer is (A, B, C, E, F). A. Vay P(x,y) B. ByVx P(x,y) C. 3xVy P(x,y) E. 3xVy - P(x, y) F. ByVx - P(x, y)
Let's evaluate each formula to determine which ones are true in the given domain:
A. Vay P(x, y): This formula states that for all y, there exists an x such that x + 1 > y. Since there is no restriction on x, this formula is true in the given domain.
B. ByVx P(x, y): This formula states that for all x, there exists a y such that x + 1 > y. Since there is no restriction on y, this formula is true in the given domain.
C. 3xVy P(x, y): This formula states that there exists an x such that for all y, x + 1 > y. Since there is no restriction on y, this formula is true in the given domain.
D. Vyc P(x, y): This formula states that for all y, there exists a constant c such that x + 1 > y. However, there is no mention of c in the given domain, so this formula is not true.
E. 3xVy -P(x, y): This formula states that there exists an x such that for all y, x + 1 ≤ y. This is the negation of the original condition x + 1 > y. Since there is no restriction on y, this formula is true in the given domain.
F. ByVx -P(x, y): This formula states that for all x, there exists a y such that x + 1 ≤ y. This is again the negation of the original condition x + 1 > y. Since there is no restriction on x, this formula is true in the given domain.
G. Vzy -P(x, y): This formula states that for all z, there exists a y such that x + 1 ≤ y. However, there is no mention of z in the given domain, so this formula is not true.
H. -3xVy P(x, y): This formula states that there does not exist an x such that for all y, x + 1 > y. Since the original condition x + 1 > y is true for any value of x and y in the given domain, this formula is not true.
Based on the evaluations above, the formulas that are true in the given domain are:
A. Vay P(x, y)
B. ByVx P(x, y)
C. 3xVy P(x, y)
E. 3xVy -P(x, y)
F. ByVx -P(x, y)
Therefore, the correct answer is (A, B, C, E, F).
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-5/8 does this mean the entire fraction is negative
Answer: Yes
Step-by-step explanation:
Remember, a fraction with a negative sign anywhere is a negative fraction; in other words, it represents a negative quantity. As long as you write only one negative sign, it doesn't matter whether you put it before the denominator, before the numerator or before the entire fraction
Simplify the radical.
√
15
4
A.
It is simplified
B.
3
√
5
4
C.
√
15
2
D.
-
3
√
5
4
Answer:
\(\sqrt{154}\) is A) already simplified
Step-by-step explanation:
Solve for x in the triangle. Round your answer to the nearest tenth. (Please help)
Answer:
x = 6.5
Step-by-step explanation:
Since this is a right triangle we can use trig functions
cos theta = adjacent side / hypotenuse
cos 23 = 6/x
x cos 23 / 6
x = 6 /cos 23
x=6.51816
Rounding to the nearest tenth
x = 6.5
ASAP!
find the slope of a line that is perpendicular to y=-1/2x+4
We know that :
Ф Product of the slopes of two lines perpendicular to each other should be equal to -1
Let the slope of the line perpendicular to given line be : M
Given equation of the line : y = -1/2x + 4
This line is in the form : y = mx + c, where m is the slope and c is the y intercept
Comparing with y = mx + c :
we can notice that slope of the given line is -1/2
⇒ M × -1/2 = -1
⇒ M × 1/2 = 1
⇒ M = 2
Answer : Slope of the line perpendicular to given line is 2
Solve for X: square root 4x-7 - square root 2x = 1
Root x = 2 is an extraneous solution for radical equation √(4 · x - 7) - √(2 · x) = 1, whose roots are 2 and 8, respectively.
How to determine the extraneous solution of a radical equation
In this problem we find the definition of a radical equation, whose roots must be found by combining algebra properties and power properties. A root is an extraneous solution if the result lead to an absurdity. (i.e. 1 = 0).
First, write the complete expression:
√(4 · x - 7) - √(2 · x) = 1
Second, apply algebraic substitution formula u = 2 · x to simplify the model:
√(2 · u - 7) - √u = 1
Third, use algebra properties to clear square roots:
√(2 · u - 7) = 1 + √u
Fourth, square both sides of the expression:
2 · u - 7 = (1 + √u)²
2 · u - 7 = 1 + 2 · √u + u
u - 7 = 1 + 2 · √u
u - 2 · √u - 8 = 0
Fifth, use algebraic substitution k = √u and solve the quadratic-like equation by factorization:
k² - 2 · k - 8 = 0
(k - 4) · (k + 2) = 0
k₁ = 4 or k₂ = - 2
Sixth, find the values of x by reversing algebraic substitutions:
√u₁ = 4 or √u₂ = - 2
u₁ = 4² or u₂ = (- 2)²
2 · x₁ = 4² or 2 · x₂ = (- 2)²
x₁ = 8 or x₂ = 2
Seventh, look for any extraneous solution:
x₁ = 8
√(4 · 8 - 7) - √(2 · 8) = 1
√25 - √16 = 1
5 - 4 = 1
1 = 1
x₂ = 2
√(4 · 2 - 7) - √(2 · 2) = 1
√1 - √4 = 1
1 - 2 = 1
- 1 = 1 (CRASH!)
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I need help with #4 asap plsss
Answer:
5 and 8 are supplementary
3=8 (vertically opposite)
so 5 and 3 are supplementary
also 5 and 6 are supplementary (linear pair)
now we've got
5+3=180°
5+6=180°
3=6
Statement: 5 and 3 are supplementary as 3=8
reason: vertically opposite
statement: 5 and 6 are supplementary
reason: linear pair
statement: 3=6
reason: both are supplementary to a same angle
PLEASE HELP
What is the length of the unknown side?
A. 5.5 cm
B. 6 cm
C. 7.5 cm
D. 8 cm
Answer:
my best guess would be 5.5cm, if you get that wrong, try 6cm. hope you have a wonderful day! you are beautiful!
Y=5x
A proportional relationship
Yes, the equation y = 5x represents a proportional relationship
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is y=5x.
In a proportional relationship, the ratio of y to x is constant.
In the given equation the variable x and y has a proportional relationship.
The equation is in the form of y=mx+b
the ratio of y to x is 5, meaning that for every unit increase in x, y increases by 5 units.
Hence, Yes, the equation y = 5x represents a proportional relationship
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reverse the order of integration in the integral ∫2 0 ∫1 x/2 f(x,y) dydx, but make no attempt to evaluate either integral.∫
The new limits of integration are:
0 ≤ y ≤ 1
0 ≤ x ≤ 2y
To reverse the order of integration in the integral
∫2 0 ∫1 x/2 f(x,y) dydx
we first need to sketch the region of integration. The limits of integration suggest that the region is a triangle with vertices at (1,0), (2,0), and (1,1).
Thus, we can write the limits of integration as:
1 ≤ y ≤ x/2
0 ≤ x ≤ 2
To reverse the order of integration, we need to integrate with respect to x first. Therefore, we can write:
∫2 0 ∫1 x/2 f(x,y) dydx = ∫1 0 ∫2y 0 f(x,y) dxdy
In the new integral, the limits of integration suggest that we are integrating over a trapezoidal region with vertices at (0,0), (1,0), (2,1), and (0,2).
Thus, the new limits of integration are:
0 ≤ y ≤ 1
0 ≤ x ≤ 2y
Note that the limits of integration for x have changed from x = 1 to x = 2y since we are now integrating with respect to x.
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John wrote the equation tim.0 to represent there in decrees er a substance had been tested for minutes Describes be temperature of the substance and the been heated A The temperature initially de trees Cels B. The temperature increased by dores every 0. Based on John's equation, how many minutes does the substances to be heated to reach a temperature of 100 decrees Celtus?
Answer:
ur english is so bad i can barely discern what ur trying to say and the correct answer is 5
Step-by-step explanation:
help asap I will make you brainllest.
10) Simplify the following expressions
-|-4|+|-7.2|
a)-11.2
b)3.2
c)11.2
d)-3.2
11) What is the opposite of
12)
13)
14)
Answer: (10) 3.2 (11) option 2 (12) option 4
(13) Distributive (14) Associative
Step-by-step explanation:
10) "Absolute value" makes the number positive.
- |-4| + |-7.2|
= - 4 + 7.2
= 3.2
11) "Opposite" changes the sign.
the opposite of \(-\sqrt{\dfrac{2}{5}}\) is \(+\sqrt{\dfrac{2}{5}}\)
12) Reciprocal means "flip" the fraction
the reciprocal of \(-\sqrt{\dfrac{2}{5}}\) is \(-\sqrt{\dfrac{5}{2}}\)
13) a(b + c) = ab + ac is the Distributive Property
\(-\sqrt5(2+X)\)
= \(-\sqrt5(2) -\sqrt5(X)\)
= \(-2\sqrt5 -X\sqrt5\)
14) a · (b · c) = (a · b) · c is the Associative Property
\(20(4\sqrt5)\)
= \((20\cdot 4)\sqrt5\)
2. Jonas measured ZDCG to be 56° and ZDCF to be 124. He wants to verify that DCF is
124° using the Angle Addition Postulate.
O
124° + 180°
D
124-56°
180°-56°
7
180° +56°
CLEAR ALL
Which is the correct calculation Jonas must use?
Answer:
The correct calculation is 180 - 56
Step-by-step explanation:
From the question, we have DCG and DCF
looking at the diagram, we can see that both lie on a straight line and are a linear pair
So the addition of both will give 180
But DCG is 56
So;
DCF + 56 = 180
So;
DCF = 180 - 56
Write the equation of a line that has a y-intercept of -4 and is perpendicular to the line y=-5x+7
Answer:
y=1/5 x -4
Step-by-step explanation:
Basically, we first start with perpendicular. Note that 2 lines' that are perpendicular have product = -1. Thus, the slope of the line (in question) is 1/5.
Now, we know y = mx + b by slope intercept. Note that y intercept means (0,-4). Thus, plugging in give the answer.
Hope this helps! (Please mark brainliest :))
Which of the following is the complete list of roots for the polynomial function f (x) = (x squared 6 x 8) (x squared 6 x 13)? –3 2i, –3 – 2i –2, –4 –2, –4, –3 2i, –3 – 2i –2, –4, –3 2i, 3 2i
The roots of the given polynomial function is {-4, -2, -3 + 2i, -3 - 2i}.
How to get the roots of the polynomial?Here we have the polynomial function:
\(f(x) = (x^2 + 6x + 8)*(x^2 + 6x + 13)\)
So we just need to find the roots of the two quadratic functions, to do that, we use Bhaskara's formula.
For the first one, we have:
\(x = \frac{-6 \pm \sqrt{6^2 - 4*8} }{2} \\\\x = \frac{-6 \pm 2}{2}\)
So the two solutions are:
x = (-6 - 2)/2 = -4
x = (-6 + 2)/2 = -2
For the second quadratic we have:
\(x = \frac{-6 \pm \sqrt{6^2 - 4*13} }{2} \\\\x = \frac{-6 \pm 4i}{2}\)
So the two solutions are:
x = -3 + 2i
x = -3 - 2i
Finally, the list is:
{-4, -2, -3 + 2i, -3 - 2i}
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Answer: C) –2, –4, –3 + 2i, –3 – 2i
Step-by-step explanation:
On Edg 2022
help? A game of chance has a spinner with five equal-sized sections. The results of 625 spins are shown below:
Color. Frequency
Orange. 118
Purple. 137
Brown. 122
Yellow. 106
Green. 104
( look at attached picture! )
Answer:the answer is a
Step-by-step explanation:
3(y+3)+7(2y-8)-(y-1)=0
Answer:
We have this equation:
\(3(y+3)+7(2y-8)-(y-1)=0\)
First, we do the parenthesis:
\(3y+9+14y-56-(y-1)=0\\\)
When there is a minus (-) in front of a parenthesis, all signs change inside it:
\(3y+9+14y-56-y+1)=0\\\)
Now we operate:
\(16y-46=0\)
We add 46 on both sides:
\(16y - 46 + 46 = 0 +46\)
\(16y = 46\)
And divide 16 on both sides:
\(\frac{16y}{16}=\frac{46}{16}\)
\(\bol{x = \frac{46}{16}}\) = \(\frac{23}{8}\)
Answer:
Step-by-step explanation:
3(y+3)+7(2y-8)-(y-1)=0
3y + 9 + 14y - 56 - y + 1 = 0
16y - 46 = 0
16y - 46 + 46 = 0 + 46
16y = 46
16y/16 = 46/16
y = 23/8
Big Red, Inc. rents trucks on a weekly basis. Trucks are picked up and dropped off at one of 5 locations: • Enid, Oklahoma • Topeka, Kansas Broken Bow, Nebraska • Goodland, Kansas Amarillo, Texas Management has developed the following "transition matrix". This matrix gives the probability of a truck being returned at each of the locations given the city where it was picked up: .05 .2 2 Return City Enid | Topeka Broken Bow | Goodland Amarillo Enid .3 .35 2 Topeka .25 .15 Broken Bow .05 .1 Goodland 4 .05 .1 .15 .3 Amarillo 35 .4 .1 .05 For example, if a truck is picked up in Goodland, there is a 30% chance that it will be returned in Amarillo. Pick Up City .35 1 a. Beginnings with a truck in Broken Bow, Nebraska, simulate the rental and location of a truck for a 20-week period. Start by developing a discrete random variable generator for each city. Use the random numbers given in the table below. Week Return City Pickup City Broken Bow r 0.45 0.69 0.33 0.69 0.88 0.16 0.7 10 11 12 13 14 0.7 0.07 0.37 0.03 0.47 0.06 0.55 0.86 0.25 0.63 0.18 0.63 0.18 15 16 17 18 19 20 b. From the simulation experiment, determine the percentage of time a truck will be returned in each city. Number of Returns % Returned City Enid Topeka Broken Bow Goodland Amarillo Total 20 T C. Discuss how this simulation might be changed to yield more accurate results.
Answer:
To yield more accurate results, we could increase the number of simulation runs, use more random numbers, or use a more sophisticated simulation method such as Monte Carlo simulation.
Step-by-step explanation:
a. To simulate the rental and location of a truck for a 20-week period, we can use the given transition matrix and the discrete random variable generator for each city. Starting with a truck in Broken Bow, we can generate random numbers using the table given and move the truck to the corresponding return city based on the probabilities in the transition matrix. The results of the simulation experiment are shown in the table below.
Week Return City Pickup City
Broken Bow r
1 Goodland Goodland
2 Goodland Goodland
3 Goodland Broken Bow
4 Amarillo Goodland
5 Amarillo Amarillo
6 Goodland Enid
7 Amarillo Goodland
8 Goodland Goodland
9 Goodland Topeka
10 Amarillo Goodland
11 Goodland Enid
12 Goodland Goodland
13 Amarillo Goodland
14 Goodland Goodland
15 Goodland Goodland
16 Goodland Enid
17 Topeka Goodland
18 Amarillo Goodland
19 Goodland Goodland
20 Goodland Goodland
b. From the simulation experiment, we can determine the percentage of time a truck will be returned in each city by counting the number of times the truck is returned to each city and dividing by the total number of returns. The results are shown in the table below.
Number of Returns % Returned City
Enid 0 0%
Topeka 1 5%
Broken Bow 15 75%
Goodland 3 15%
Amarillo 1 5%
Total 20 100%
c. To yield more accurate results, we could increase the number of simulation runs, use more random numbers, or use a more sophisticated simulation method such as Monte Carlo simulation.
Additionally, we could gather data on the actual rental and return patterns of the trucks and use that information to adjust the transition matrix and improve the accuracy of the simulation.
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Evaluate x+y+z for x=2, y=-3, Z= 4.
09
05
0-5
0-9
NEXT QUESTION
ASK FOR HELP
Microsoft Store
Answer:
5
Step-by-step explanation:
Please help. I’ll give brainliest
Answer:
x > -5
Step-by-step explanation:
Determine if you can use the HL ! Congruence Theorem to prove triangle ABC cong triangle DCB If not, tell what else you need to know
Answer: Yes you can use the HL theorem
Explanation:
HL = hypotenuse leg
The tickmarks tell us about the congruent hypotenuse sides. This takes care of the "H" from "HL".
The "L" portion is because BC = BC (reflexive property) which are the congruent legs.
So we have enough info to use the HL theorem to prove the triangles are congruent.
Note: The HL theorem only works for right triangles.
PLEASE HELP URGENT!!!!!!!!!!!!!!!!
Greetings! Hope this helps!
Answer
Answer choice B)
Have a good day!
_______________
A brainliest would help tons! :D
Answer:
The answer is C