2 years ago

What is the equation of the line r in slope-intercept form?

Mathematics

1 answer:

Rzqust [24]2 years ago

4 0

Answer:

Step-by-step explanation:

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Question 4

Elanso [62]

Answer:

a $A = 30 + 0.45 n$

b $A = 90.3$

c 0 customers

Step-by-step explanation:

Given

$Base\ Amount = 30$

$Rate = 0.45$ per customer

Solving (a): Amount (A) on n customers

This is calculated as:

$A = Base\ Amount + Rate * n$

$A = 30 + 0.45 * n$

$A = 30 + 0.45 n$

Solving (b): Amount on 134 customers

In this case: n = 134

So:

$A = 30 + 0.45 * 134$

$A = 30 + 60.3$

$A = 90.3$

Solving (c): Customers at noon.

At noon, the amount is 30.

So:

$A = 30 + 0.45 n$

$30 = 30 + 0.45n$

Collect like terms

$0.45n = 30 - 30$

$0.45n =0$

$n = 0$

6 0

2 years ago

Find the average rate of change of the function below over the interval (-4,-1).

babymother [125]

Answer:

-2

Step-by-step explanation:

$\frac{f(b)-f(a)}{b-a}\\ \\=\frac{f(-1)-f(-4)}{-1-(-4)}\\ \\=\frac{-4-2}{-1+4}\\ \\=\frac{-6}{3}\\ \\=-2$

Therefore, the average rate of change over the interval [-4,-1] is -2.

5 0

2 years ago

Solve |2x - 5| = 4.

vladimir1956 [14]

Decimal form: 4.05, 0.5
Exact form: 9/2, 1/2

8 0

3 years ago

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laiz [17]

-129/13

Find x then subtract 9

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2 years ago

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Can you help me to find the answer please

marishachu [46]

Answer:

45 ?

Step-by-step explanation:

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2 years ago