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zimovet [89]
3 years ago
14

Alex's car depreciates in value by 18% per year.

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Answer:

£12605.15

Step-by-step explanation:

Compound interest formula

34000(1-0.18)^5

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Linear model function
sveticcg [70]

Using equations of linear model function, the number of hours Jeremy wants to skate is calculated as 3.

<h3>How to Write the Equation of a Linear Model Function?</h3>

The equation that can represent a linear model function is, y = mx + b, where m is the unit rate and b is the initial value.

Equation for Rink A:

Unit rate (m) = (35 - 19)/(5 - 1) = 16/4 = 4

Substitute (x, y) = (1, 19) and m = 4 into y = mx + b to find b:

19 = 4(1) + b

19 - 4 = b

b = 15

Substitute m = 4 and b = 15 into y = mx + b:

y = 4x + 15 [equation for Rink A]

Equation for Rink B:

Unit rate (m) = (39 - 15)/(5 - 1) = 24/4 = 6

Substitute (x, y) = (1, 15) and m = 6 into y = mx + b to find b:

15 = 6(1) + b

15 - 6 = b

b = 9

Substitute m = 6 and b = 9 into y = mx + b:

y = 6x + 9 [equation for Rink B]

To find how many hours (x) both would cost the same (y), make both equation equal to each other

4x + 15 = 6x + 9

4x - 6x = -15 + 9

-2x = -6

x = 3

The hours Jeremy wants to skate is 3.

Learn more about linear model function on:

brainly.com/question/15602982

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5 0
2 years ago
Using the equation y=kx and the table below, find the constant of proportionality (k).
elena-s [515]

Answer:

k = 9/4

Step-by-step explanation:

To find k, use the equation

y = kx

Pick a point

72 = k *32

Divide each side by 32

72/32 = k

9/4 = k

4 0
3 years ago
Read 2 more answers
How do I find point-slope form???
Nana76 [90]
I believe the answer is: By using the point slope formula, which states that a given point (x1, y1) and a slope m, the equation of the line can be written as y - y1 = m(x - x1)
8 0
3 years ago
NEED HELP WITH ONE MORE QUESTION
meriva

Answer:

Part A= 315

Part B= Saturday and Sunday

Step-by-step explanation:

7 0
3 years ago
Drag the dots to plot (7 1/2, -2) (-3,7) and (2,0)
kirill115 [55]

Step-by-step explanation:

7 1/2 = 7 + 1/2 = 14/2 + 1/2 = 15/2 = 7.5

check the attached picture.

:)

4 0
3 years ago
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