2 years ago

Surface area can be measured in Feet Units Square units Meters

Mathematics

1 answer:

Oksi-84 [34.3K]2 years ago

3 0

I think it’s square units

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The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $420 to drive 500 mi

djyliett [7]

Answer:

$C(d) = \frac{1}{5}d + 320$

Step-by-step explanation:

Given

$d \to miles$

$C \to cost$

So:

$(d_1,C_1) = (500,420)$ --- May

$(d_2,C_2) = (620,444)$ --- June

Required

Express as a function

Start by calculating the slope (m)

$m = \frac{\triangle C}{\triangle d}$

$m = \frac{444-420}{620-500}$

$m = \frac{24}{120}$

Simplify

$m = \frac{1}{5}$

The equation is:

$C(d) = m(d - d_1) +C_1$

$C(d) = \frac{1}{5}(d - 500) +420$

$C(d) = \frac{1}{5}d - 100 +420$

Take LCM

$C(d) = \frac{1}{5}d + 320$

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2 years ago

In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball

Romashka-Z-Leto [24]

Answer: 9:5

Step-by-step explanation:

81:45 I first just divided them both by three and got 27:15 then they were both divisible by 3 so then I got 9:5

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3 years ago

A cone has a volume 8pie cubic inches. And 6in height

dalvyx [7]

Answer:

r=1.3in

Step-by-step

hope this helps:)

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2 years ago

Is 60.43 an irrational number

zhuklara [117]

Answer:

No, It is rational

Step-by-step explanation:

An number with a finite number of decimal point/numbers can be rational unlike numbers that repeat on forever like the number pi

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20. Joaquin tak 4-hours to clean a pool; Sherrie takes 1--hours. Calculate the time difference in hours. Express your answer in

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The time difference is 3 hours

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3 years ago