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3 years ago

A car rental company rented out 9 cars in its first month. The number of cars it rented doubled each month.

Mathematics

2 answers:

s2008m [1.1K]3 years ago

8 0

Answer:

144 cars

Step-by-step explanation:

well for month 1 is 9

month 2 would be 9 times 2 so 18

month 3 then you double that so 18 plus 18 is 36

month 4 next you'll double 36 so 36 plus 36 is 72

month 5 finally you double 72 so that equals 144 cars

Sergeu [11.5K]3 years ago

3 0

Answer:

9 cars=1 month.

18 cars= 2 months

36 cars= 3 months

72= 4 months

144= 5 months.

Add all cars which gives you a sum of 279 cars.

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sukhopar [10]

Answer:

3 seconds

Step-by-step explanation:

Given the height modelled by the function

h(t) = -16t² + 16t + 96

The hit the water at h(t) = 0

0 = -16t² + 16t + 96

Divide through b y -16

0 = t² - t - 6

t² - t - 6 = 0

t² - 3t+2t - 6 = 0

t(t-3)+2(t-3) = 0

t+ 2 = 0 and t - 3 = 0

t = -2 secs and t = 3secs

Since t can't be negative, hence;

t = 3 secs

hence it will take 3 seconds until Devon hit the water

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3 years ago

The pair of values below is from a direct variation. Find the missing number.

NISA [10]

Answer:

The answer is 2.

2 since 6/4=3/2

Step-by-step explanation:

Since your relation is a direct variation then the points on your line are of the form y=kx where k is the constant of variation (also called constant of proportionality)

If y=kx then y/x=k.

So all the points in this relation since it is a direct variation will be equal to y-coordinate/x-coordinate.

So we are going to solve this proportion:

$\frac{6}{4}=\farc{3}{x}$

Again I put y/x from each point. They should have same ratio because this is a direct variation.

Cross multiply:

$6(x)=4(3)$

$6x=12$

Divide boht sides by 6:

$x=\frac{12}{6}$

$x=2$

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