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Step2247 [10]
3 years ago
5

The function c = 100 + 0.30m represents the cost c (in dollars) of renting a car after driving m miles. What would the cost be t

o rent the car and drive 100 miles?
Mathematics
1 answer:
aleksley [76]3 years ago
7 0

Answer:

c = $130

Step-by-step explanation:

Given:

c = 100 + 0.30m

Where,

c = cost of renting a car (in dollars)

m = number of miles driven (in miles)

If m = 100 miles

c = 100 + 0.30m

= 100 + 0.30(100)

= 100 + 30

= 130

c = $130

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Fiesta28 [93]

Kevin has 8 dimes and 5 quarters

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

We know that,

Value of 1 dime = $ 0.10

Value of 1 quarter = $ 0.25

<em><u>kevin had 13 coins in his pocket</u></em>

Therefore,

number of dimes + number of quarters = 13

d + q = 13 ------ eqn 1

<em><u>When he emptied his pockets kevin found he had $2.05</u></em>

<em><u>We frame a equation as:</u></em>

number of dimes x Value of 1 dime + number of quarters x Value of 1 quarter = 2.05

d \times 0.10 + q \times 0.25 = 2.05

0.10d + 0.25q = 2.05 ----------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2,</u></em>

From eqn 1,

d = 13 - q ------- eqn 3

<em><u>Substitute eqn 3 in eqn 2</u></em>

0.10(13 - q) + 0.25q = 2.05

1.3 - 0.10q + 0.25q = 2.05

0.15q = 0.75

Divide both sides of equation by 0.15

q = 5

<em><u>Substitute q = 5 in eqn 3</u></em>

d = 13 - 5

d = 8

Thus there are 8 dimes and 5 quarters

3 0
4 years ago
15) What is the measure, in degrees, of an angle that is equivalent to 3/360 of a circle
blsea [12.9K]

There are exactly 360° in a circle, so the angle measure would be 3/360 * 360 = 3°.

5 0
3 years ago
$280 is what percent of $3500?
professor190 [17]

Divide then multiply by 100:

280 / 3500 = 0.08

0.08 x 100 = 8%

Answer: 8%

6 0
3 years ago
Read 2 more answers
A, B, C, or, D<br> please answer correctly ;-;
lisov135 [29]

Answer:

A

Step-by-step explanation:

Graph A has a y intercept of -3 and a slope of 3/4

4 0
3 years ago
What is 1/8 divided by 1/2
vladimir1956 [14]
1/8÷1/2
You flip the second one and change it to multiplication:
1/8×2/1=2/8
2/8 can be simplified by dividing both sides by 2:
1/4

Hope this helps :)
4 0
4 years ago
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