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3 years ago

13

The sandbox at a local playground is shaped like a square. The length of one side of the sandbox is 8 feet. What is the area of

the sandbox, written as an expression with exponents?

1 answer:

Degger [83]3 years ago

8 0

A=8^2
A=64ft^2
A square is defined as a 4 sided shape with all equal sides, so all 4 sides should be 8 feet.

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A recent study found that 81?% of? breast-cancer cases are detectable by mammogram. Suppose a random sample of 11 women with bre

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Answer:

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3 years ago

denis23 [38]

9514 1404 393

Answer:

Angle 1 = 139°
Angle 2 = 41°
x = 29; exterior angle = 131°

Step-by-step explanation:

These problems let you make use of the fact that the sum of the remote interior angles is equal to the exterior angle.

__

1. 53° +86° = ∠1

139° = ∠1

__

2. ∠2 +92° = 133°

∠2 = 133° -92°

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3. (x +9)° +93° = (4x+15)°

87 = 3x . . . . . . . . . . . . . . . . subtract x+15°

29 = x . . . . . . . divide by 3

The exterior angle is ...

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