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3 years ago

John has $80. Every week, he spends $7.

Mathematics

1 answer:

Minchanka [31]3 years ago

7 0

Answer:

80 - 14

Step-by-step explanation:

if John spends seven dollars a week, then in 2 weeks he spends $14. 7x2= 14

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3 years ago

Jill's car tires are spinning at a rate of 120 revolutions per minute. If her car tires' radii are each 14 inches, how far does

amid [387]

FInd the circumference of the tire:

C = 2 x PI x r

C = 2 x 3.14 x 14

C = 87.92 inches.

For every revolution of the tire it travels 87.92 inches.

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In 5 minutes the car travels 10550.4 x 5 = 52,752 inches.

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3 years ago

PLS HELP!

wolverine [178]

Given:

Alexis has a rectangular backyard that is 50 yards by 55 yards.

She wants to build a fence that stretches diagonally from one corner to the opposite corner.

To find:

The length of the fencing she needs.

Solution:

We have,

Length = 50 yards

Width = 55 yards

We know that, the diagonal of a rectangle is

$Diagonal=\sqrt{length^2+width^2}$

$Diagonal=\sqrt{(50)^2+(55)^2}$

$Diagonal=\sqrt{2500+3025}$

$Diagonal=\sqrt{5525
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On further simplification, we get

$Diagonal=74.3303437$

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