i) Compute the autonomous investment, government the MPM is 0.4.
AI = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
GM = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
XM = 1 / (1 - 0.4) = 1 / 0.6 ≈ 1.667 (approximately)
TM = -0.35 / (1 - 0.35) ≈ -0.538 (approximately)
ii) The equilibrium income is approximately 709.52.
To compute the autonomous investment (A), government expenditure (G), export (X), and tax (T) multipliers, we need to use the following formulas:
Autonomous Investment Multiplier (AI):
AI = 1 / (1 - MPC)
where MPC is the marginal propensity to consume.
Government Expenditure Multiplier (GM):
GM = 1 / (1 - MPC)
Export Multiplier (XM):
XM = 1 / (1 - MPM)
where MPX is the marginal propensity to import.
Tax Multiplier (TM):
TM = -MPC / (1 - MPC)
Now let's calculate these multipliers using the given information:
i). Compute the multipliers:
MPC = change in consumption / change in income
Here, we can see that the consumption function is given by C = 40 + 0.35Y.
So, the MPC is 0.35.
MPM = change in imports / change in income
Here, we can see that the import function is given by M = 45 + 0.4Y.
So, the MPM is 0.4.
AI = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
GM = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
XM = 1 / (1 - 0.4) = 1 / 0.6 ≈ 1.667 (approximately)
TM = -0.35 / (1 - 0.35) ≈ -0.538 (approximately)
ii). Find the equilibrium income:
To find the equilibrium income, we set aggregate demand (Y) equal to aggregate supply (Y) and solve for Y.
Aggregate demand (Y):
Y = C + I + G + (X - M)
Substituting the given values, we have:
Y = (40 + 0.35Y) + (70 - 2r) + 400 + (240 - (45 + 0.4Y))
Simplifying the equation:
Y = 40 + 0.35Y + 70 - 2(0.5) + 400 + 240 - 45 - 0.4Y
Combining like terms:
Y = 745 - 0.05Y
Bringing Y terms to one side:
1.05Y = 745
Dividing both sides by 1.05:
Y = 745 / 1.05 ≈ 709.52 (approximately)
Therefore, the equilibrium income is approximately 709.52.
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Which point would NOT be a solution to the system of linear inequalities shown below
The point (4, - 1) will not be a solution to the system of linear inequalities shown.
What is the solution of the linear inequalities?The solution of the linear inequalities is calculated by simplifying the linear inequalities as follows;
The given linear inequalities;
y ≥ -x/4 + 7
y > 4x + 4
Solve the linear inequalities as follows;
4x + 4 ≥ -x/4 + 7
Collect similar terms together;
4x + x/4 ≥ 7 - 4
4x + x/4 ≥ 3
Multiply through by 4;
16x + x ≥ 12
17x ≥ 12
divide through by 17;
x ≥ 12/17
x ≥ 0.7
The value of y is calculated as;
y ≥ -x/4 + 7
y ≥ - (0.25 x 0.7) + 7
y ≥ 6.8
Since y is greater than or equal to 6.8, the point (4, - 1) will not be a solution to the system of linear inequalities shown.
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The owner of a computer store estimates profits using
the equation P = 4x² - 15x - 20 where P is the profit, in
dollars, and x is the number of
computers sold.
What is the estimated profit when 60 computers are
sold?
$26,400
$15,320
O $14,400
$13,520
$13,480
Answer:
(e) $13,480
Step-by-step explanation:
You want the estimated profit from selling 60 computers, if the profit from selling x computers is P = 4x² -15x -20.
ProfitPut 60 where x is in the profit equation and do the arithmetic.
The result is an estimated profit of $13,480.
__
Additional comment
To simplify evaluation, the polynomial can be written in "Horner form:"
P = (4x -15)x -20
Evaluating it this way takes fewer math operations and generally involves smaller numbers.
<95141404393>
here are five number cards
2,5,7,8,9
one of the cards is removed and the mean average of the remaining four number cards is 6
which card was removed
show your working
Answer:
7
Step-by-step explanation:
Since one card was removed:
6 = x/4
x = 6 X 4
x = 24
Then you sum the numbers on the five cards and subtract 24 from it
(2 + 5 + 7 + 8 + 9) - 24
= 31 - 24
= 7
Therefore card with number 7 was removed.
Use technology or a z-score table to answer the question. The odometer readings on a random sample of identical model sports cars are normally distributed with a mean of 120,000 miles and a standard deviation of 30,000 miles. Consider a group of 6000 sports cars. Approximately how many sports cars will have less than 150,000 miles on the odometer? O 300 951 O 5048 O 5700
Approximately 5048 sports cars will have less than 150,000 miles on the odometer
Mean = 120,000
Standard deviation = 30,000
Total group = 6000
Total Miles = 150,0000
An odometer is a device used to gauge how far a wheeled vehicle has driven. The tool might be mechanical, electrical, or a hybrid of the two.
Calculating the Z score -
z = x - u/a
= 15,0000 - 12,0000/30000
= 30000/30000
= 1
Using the standard normal table, to determine the value -
P ( Z<1) = 0.8413
Calculating the total number of cars -
= P value x total group of cars
= 6000 x 0.8413
= 5047.7 or 5048
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Help pleaseeeeeeeeee
16800 cubic inches of concrete is needed to make the stairs
How many cubic inches of concrete is needed to make the stairs?Rectangular prism is a three dimensional shape which consist of six faces. The two faces are at the top and bottom and the other faces are lateral faces.
The given stairs can be divided into 3 rectangular prisms as shown in the image attached.
Volume of a concrete needed = Volume of A + Volume of B + Volume of C
Volume of a rectangular prism = l × w × h
where l is the length, w is the width and h is the height
For A:
l = 40, w = 10 in and h = 7 + 7 + 7 = 21 in
For B:
l = 40, w = 10 in and h = 7 + 7 = 14 in
For C:
l = 40, w = 10 in and h = 7 in
Volume of a concrete needed = (40 * 10 * 21) * (40 * 10 * 14) + (40 * 10 * 7)
Volume of a concrete needed = 8400 + 5600 + 2800
Volume of a concrete needed = 16800 in³
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For positive acute angles A and B, it is known that SinA= 11/61 and tan B=4/3. Find the value of Cos(A-B) in simplest form.
For positive acute angles A and B, if it is known that SinA= 11/61 and tan B=4/3, cos(A-B) = 224/305.
We can use the trigonometric identity cos(A-B) = cosA cosB + sinA sinB to find the value of cos(A-B).
First, we need to find the value of cosA and sinB:
Since sinA = opposite/hypotenuse, we can draw a right triangle with opposite side 11 and hypotenuse 61, and use the Pythagorean theorem to find the adjacent side:
cosA = adjacent/hypotenuse = √(61² - 11²)/61 = 60/61
Since tanB = opposite/adjacent, we can draw another right triangle with opposite side 4 and adjacent side 3, and use the Pythagorean theorem to find the hypotenuse:
hypotenuse = √(4² + 3²) = 5
sinB = opposite/hypotenuse = 4/5
Now we can substitute these values into the formula:
cos(A-B) = cosA cosB + sinA sinB
= (60/61)(3/5) + (11/61)(4/5)
= 180/305 + 44/305
= 224/305
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please answer all 3 and show work
The equation of the Damari's investment is B(x) = 30000 * 1.03ˣ
Sky's family should take the offer of $5000 for the boatThe rule of the function is f(x) = 8 * 0.6ˣCalculating the equations of the functionsDamari's investment
Given that
Initial value, a = 30000
B(3) = 32306.72
The function is calculated as
B(x) = a * bˣ
Using B(3), we have
30000 * b³ = 32306.72
So, we have
b³ = 1.077
Take the cube root of both sides
b = 1.03
So, we have
B(x) = 30000 * 1.03ˣ
So, the function is B(x) = 30000 * 1.03ˣ
The boat of Sky's family
Here, we have
Initial value = 6000
Rate of depreciation = 6%
So, the function is
f(x) = 6000 * (1 - 6%)ˣ
So, we have
f(x) = 6000 * (0.94)ˣ
In 2024, we have
x = 2024 - 2021
x = 3
So, we have
f(3) = 6000 * (0.94)³
Evaluate
f(3) = 4983.50
This value is less than the offered value of $5000
This means that Sky's family should take the offer
The rule of the function
Here, we have the graph
From the graph, we have
Initial value, a = 8
Rate, b = 4.8/8
So, we have
Rate, b = 0.6
So, the function is
f(x) = 8 * 0.6ˣ
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Pretty sure x is 75 but what do i write for the reason?
Thank uu
Answer:
Step-by-step explanation:
Interior angle sum = 180
2x - 45 + x = 180
3x - 45 = 180
x - 15 = 60
x = 75
The domain of this emath equation is
Answer:
x ≥ 5
Step-by-step explanation:
You want the domain of the equation y = √(x -5) -1.
DomainThe domain of the function is the set of x-values for which it is defined. The square root is not defined for negative values, so the domain is ...
x -5 ≥ 0
x ≥ 5 . . . . . . the domain of this function
__
Additional comment
The range is the set of y-values the function may produce. Here, that set of values is y ≥ -1.
<95141404393>
A submarine dives to a depth of 3775 m. It then climbs to a depth of 1395 m before descending one more time to a depth of 2890 m. How many meters in total has the submarine dived? What is the total distance (up and down) it has travelled? (Include the first descent in your calculations).
Step-by-step explanation:
3775 + 2890-1395 = total diving meters = 5270 m
Total movement = 3775 + ( 3775 - 1395 ) + (2890 - 1395 ) = 7650 m
Hii please answer i would appreciate it thankssss
Reason of congruency for each of the triangle are :
(a) SAS rule
(b) Triangles are not congruent.
Given are some triangles where some of the angles and sides are given to be equal.
We have to find the reason of congruency.
(a) Given two sides are equal.
One of the triangle has an included angle of 110°.
Find the included angle of the other one.
Included angle = 180 - (40 + 30) = 110°
So two sides and included angle of one is equal to the corresponding sides and angle.
So congruency is SAS rule.
(b) Length of the hypotenuse of first triangle = √(2² + 4²) = √20 cm
Length of hypotenuse of other triangle = 4 cm
The lengths are not equal.
So they are not congruent.
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A researcher at a major clinic wishes to estimate the proportion of the adult population of the United States that has sleep deprivation. What size sample should be obtained in order to be99 % confident that the sample proportion will not differ from the true proportion by more than 4%? Round up to the nearest whole number.
The required sample size for the confidence interval and given margin of error is given as follows:
n = 1037.
What is a confidence interval of proportions?A confidence interval of proportions has the bounds given by the rule presented as follows:
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which the variables used to calculated these bounds are listed as follows:
[tex]\pi[/tex] is the sample proportion, which is also the estimate of the parameter.z is the critical value.n is the sample size.The margin of error is given as follows:
[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
The confidence level is of 99%, hence the critical value z is the value of Z that has a p-value of [tex]\frac{1+0.99}{2} = 0.995[/tex], so the critical value is z = 2.575.
As we have no estimate, the parameter is given as follows:
[tex]\pi = 0.5[/tex]
Then the sample size for M = 0.04 is obtained as follows:
[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
[tex]0.04 = 2.575\sqrt{\frac{0.5(0.5)}{n}}[/tex]
[tex]0.04\sqrt{n} = 2.575 \times 0.5[/tex]
[tex]\sqrt{n} = \frac{2.575 \times 0.5}{0.04}[/tex]
[tex](\sqrt{n})^2 = \left(\frac{2.575 \times 0.5}{0.04}\right)^2[/tex]
n = 1037.
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PLEASEEEE HURRYY
On Giana's map of Texas, there is a close up view of the Dallas/Fort Worth area. The map scale is 1 inch = 3.5 miles. From Garland to Mansfield is 52.5 miles. How far apart are these two cities on the map?
Answer:
The distance between Garland and Mansfield on the map is 15 inches.
Step-by-step explanation:
On Giana's map of Texas, the scale is 1 inch = 3.5 miles. To determine the distance between Garland and Mansfield on the map, we can use the scale to find the corresponding measurement. Given that the actual distance between these two cities is 52.5 miles, we can set up a proportion:
1 inch / 3.5 miles = x inches / 52.5 miles
Cross-multiplying, we have:
3.5 miles * x inches = 1 inch * 52.5 miles
3.5x = 52.5
Dividing both sides by 3.5, we find:
x = 15
Therefore, the distance between Garland and Mansfield on the map is 15 inches.
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Help pls anyone I’m rlly bad at these
144.) The value of X if the two angles of the triangle are congruent would be = 4. That is option D.
145.) The equation that should be used to find the value of X would be = 13x -15 = 22x + 9. That is option H.
How to determine the value of X when two triangles are congruent?
For question 144.)
Two triangles are congruent means that the angles are equal to each other. That is;
2.3x +25 = 5.8x + 11
Bring like terms together;
5.8x-2.3x = 25-11
3.5x = 14
X = 14/3.5
= 4.
For question 145.)
When two parallel lines are being cut across by a diagonal line a relationship exists between the angles that are formed.
The two given angles are congruent;
That is;
13x -15 = 22x + 9
Therefore the expression that can be used to calculate X would be = 13x -15 = 22x + 9
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g working. In a class of 75 students, 45 students study French and 25 students study Ara only. If 10 students study both Arabic and French, (I)illustrate the information on a Venn
; (ii)how many students study (a) only French (b) only one subject;(c) neither Arabic nor French.
Answer:
(i) Attached below. You can copy what I drew
(ii) (a) 35, (b) 60, (c) 5
Step-by-step explanation:
We're told that 25 students study Arabic only and 10 students' study both French and Arabic. Thus, this leaves 40 other students, as 75 - (10 + 25) = 40.We know that 45 students study French and this includes those who study French only and those who study both French and Arabic. Thus, we can subtract the number of students who study both languages from the number of students who study French (generally) to find the number of students who study French only: 45 - 10 = 35.(a) Thus, 35 students study French only.
Thus, we've sorted 70 students so far as 35 + 10 + 25 = 70.To find the number of students who studied neither Arabic nor French, we can subtract 70 from the total number of students in the class: 75 - 70 = 5.(c) Thus, 5 students' study neither Arabic nor French
We can check our work by making sure that:the number of students who study French only + the number of students who study both French and Arabic + the number of students who study Arabic only + the number of students who study neither Arabic nor French equals 75:
35 + 10 + 25 + 5 = 75
45 + 30 = 75
75 = 75
Thus, our numbers are correct.
(b) Also, the number of students who study only subject is 60, as 35 (number of students studying French only) + 25 (number of students studying Arabic only) = 60
I attached a picture of a diagram that you can use and I'll explain what everything means:The box represents the set, which is represented by the letter S in the top-left corner of the pictureF represent the number of students who studied French only, which is why I wrote 35 in this circleThe 10 represents the number of students who study both Arabic and French and likes between the F circle and the A circle A represents the number of students who studied Arabic only, which is why I wrote 25 in this circleThe 5 outside the circles but inside the box represents the number of students who study neither Arabic nor FrenchFor what values of x does 5x^2+4x-4= 0
The values of x that satisfy the equation are x = (-4 + 2√6) / 5 and x = (-4 - 2√6) / 5
What values of x satisfy the given equation?The values of x that satisfy the equation 5x² + 4x - 4 = 0 can be determined using the quadratic formula given below:
x = (-b ± √(b² - 4ac)) / (2a)
From the equation:
a = 5, b = 4, and c = -4.
Substituting these values into the quadratic formula:
x = (-(4) ± √((4)² - 4(5)(-4))) / (2(5))
Simplifying to solve for values of x
x = (-4 ± √(16 + 80)) / 10
x = (-4 ± √96) / 10
x = (-4 ± 4√6) / 10
x = (-4 ± 2√6) / 5
Hence, x = (-4 + 2√6) / 5 or x = (-4 - 2√6)
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At the farmers' market, Tom bought 11/12 of a pound of string beans and 1/2 of a pound of
lima beans. How many more pounds of string beans did Tom purchase?
Write your answer as a fraction or as a whole or mixed number.
pounds
Answer:
Step-by-step explanation:
5/12 pounds more
here is a rhombus.A strait line joining the midpoints of two of its sides are work out the size of angle a
The size of angle can be expressed as 130 degrees
How can the side of the angle be worked out?Two angles are said to be supplementary angles because they combine to generate a linear angle when their sum is 180 degrees.
Considering the given figure, if we look at the right top triangle we can deduced that it is an isosceles, then the supplementary angle of angle α can be calculated as
(180 - 80)/2
= 50 degrees.
Hence, α = 180 - 50
= 130 degrees.
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Hellooo i’m pretty sure x is 30 but can someone tell me what im meant to write for the reason. Thank youuu
Answer:
2x and 180 - 5x are complementary angles.
2x + 180 - 5x = 90
-3x + 180 = 90
-3x = -90
x = 30
A 3-D jigsaw puzzle becomes a cube with a volume of 1 cubic foot when it is solved. Mr. Ruiz stores several of these puzzles in a storage nook in his classroom. The nook is shaped like a rectangular prism and has a height of 3 feet. A layer of 8 puzzles will completely cover the floor of the nook. What is the volume of the storage nook?
The volume of the storage nook is 24 cubic feet.
How to find the volume of the storage nookTo find the area of 8 puzzles, we multiply the area of one puzzle by 8:
Area of 8 puzzles = 1 square foot * 8 = 8 square feet
Now, to find the volume of the storage nook, we multiply the area of the floor by its height:
Volume of the nook = Area of the floor * Height
= 8 square feet * 3 feet
= 24 cubic feet
Hence, the volume of the storage nook is 24 cubic feet.
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Given the arithmetic sequence an with a1=−10 and d=−2, find a3.
The value of a3 in the Arithmetic sequence with a1 = -10 and d = -2 is -14.
The value of a3 in the arithmetic sequence, we can use the formula for the nth term of an arithmetic sequence:
an = a1 + (n - 1) * d
Where:
- an is the nth term in the sequence
- a1 is the first term of the sequence
- d is the common difference between consecutive terms
- n is the position of the term we want to find
In this case, we are given that a1 = -10 and d = -2. We want to find the value of a3, which corresponds to the third term in the sequence (n = 3).
Plugging in the values into the formula, we have:
a3 = a1 + (3 - 1) * d
= -10 + 2 * (-2)
= -10 - 4
= -14
Therefore, the value of a3 in the arithmetic sequence with a1 = -10 and d = -2 is -14.
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Safiya needs to find a number that can be multiplied by 3√18
to result in a rational product.Which values could she use?
Safiya can use either ∛12 or ∛(1/6) to find a rational product when multiplied by ∛18. So, correct options are e and f.
The cube root of 18 is an irrational number because it cannot be expressed as a fraction of two integers. Safiya needs to find a rational number that, when multiplied by ∛18, results in a rational product. To do this, she needs to look for cube roots of numbers that are perfect cubes of integers.
Option a) ∛4 is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.
Option b) ∛18 is the given number and is not a perfect cube of any integer. Therefore, it is not a valid choice.
Option c) ∛3 is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.
Option d) ∛(1/18) is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.
Option e) ∛12 is a rational number and it can be expressed as ∛(2³ × 3). Therefore, it is a valid choice.
Option f) ∛(1/6) is a rational number and can be expressed as ∛(1/216). Therefore, it is a valid choice.
So, correct options are e and f.
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HELP Plsssssssssssss
Answer:
[tex]9^{\frac{1}{8}x }[/tex]
Step-by-step explanation:
The function in the question
[tex]\sqrt[4]{9} ^{\frac{1}{2}x }[/tex]
is equivalent to
[tex]9^{(\frac{1}{4})(\frac{1}{2} x) }[/tex]
where you multiply the powers and get the final answer
[tex]9^{\frac{1}{8}x }[/tex]
Jayda is older than her 12-year-old sister. Write an inequality for j, Jayda's age.
The inequality states that Jayda's age (j) is greater than 12 i.e., j > 12.
Let j represent Jayda's age.
Since Jayda is older than her 12-year-old sister, we can write the inequality:
j > 12
Thus, the inequality states that Jayda's age (j) is greater than 12.
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I am struggling bad Can I get help finding the Domain and Range thank you everyone
The domain and the range of the graph seen in the figure are X = {- 5, - 4, - 1, 3} (or x ∈ [- 5, 3]) and Y = {- 2, 0, 2, 4} (or y ∈ [- 2, 4]).
How to determine the domain and the range of the graph
Herein we find a graph generated by four points of the form (x, y) set on Cartesian plane. The domain of the graph consists in the set of all x-coordinates of the graph, whereas range is for the set of all y-coordinates.
Domain
X = {- 5, - 4, - 1, 3}
(Interval notation)
x ∈ [- 5, 3]
Range
Y = {- 2, 0, 2, 4}
(Interval notation)
y ∈ [- 2, 4]
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1. The vertices of APQR are P(1, 3), Q(5, 4) and
R(5, 15). Find the length of the perpendicular
from Q to PR.
The distance of the perpendicular from Q to line PR is D = 2.2135 units
Given data ,
Let the triangle be represented as ΔPQR
Now , the coordinates are P(1, 3), Q(5, 4) and R(5, 15)
And , the equation of line of PR is given by
Slope m = ( 15 - 3 ) / ( 5 - 1 )
m = 3
y - 3 = 3 ( x - 1 )
Adding 3 on both sides , we get
y = 3x
y - 3x = 0
And , the point is Q(5, 4)
Now , distance of a point to line D = | Ax₀ + By₀ + C | / √ ( A² + B² )
D = | ( 1 ) ( 5 ) + ( -3 ) ( 4 ) + 0 | / √ ( 1 )² + ( 3 )²
D = | 5 - 12 | / √10
D = 7/√10
D = 2.2135 units
Hence , the distance is 2.2135 units
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PLS ANSWER WILL GIVE BRAINLIEST IF CORRECT (NO LINKS)
Identify the number of vertices, edges, and faces of the polyhedron. Use your results to verify Euler's formula.
Answer:
The third option
Step-by-step explanation:
what is √5^9 written without using any radicals?
Step-by-step explanation:
the square root of 5 can be written as 5 ^ (1/2).
We can then multiply the exponents, so it's 9/2.
So the answer could be written as 5 ^ (9/2).
I need help with this math
Answer:
500 and 4.3
Step-by-step explanation:
A decigram is one-tenth of a gram and a kilometer is one-thousandth of a meter. Using this information, we must multiply the given amounts by the values.
5000 × 0.1 = 500
4300 × 0.001 = 4.3
Thus, the answers [in order] are 500 and 4.3
Hope this helps and feel free to ask any questions.
PLEASE HELP ME!!!!! The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The cost is $22 for each room.
(a) Write a direct variation equation to represent the cost.
(b) How many rooms can a hotel pay the company to clean for $200? Write and solve an equation.
(c) Suppose the hotel plans to tip the carpet cleaners $40, how many rooms can the hotel get cleaned for $200 now? Write and solve an equation.
Answer:
Step-by-step explanation: