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Semenov [28]
2 years ago
7

The patio at the back of the house is to be extended into the backyard in a semi-circle. What will be the area of the yard

Mathematics
1 answer:
tresset_1 [31]2 years ago
5 0

Answer:

A = 413 sq feet

Step-by-step explanation:

The area of the yard = area of rectangle - area of semicircle

The radius of the semicircle, r = 10  feet

The length of the rectangle = 38.5 - 10 = 28.5 feet

So,

The area of the yard = lb - (πr²/2)

=20\times 28.5-(\dfrac{3.14\times 10^2}{2})\\\\A=413\  ft^2

So, the required area is equal to 413 sq feet.

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3 years ago
A car's speedometer has a percent error of 5%. The speedometer currently shows that the car is traveling at a speed of 60 mph.
Minchanka [31]

Answer:

The actual speed of the car is either 57 mph or 63 mph

Step-by-step explanation:

Given as :

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Vlad1618 [11]
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