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bija089 [108]
3 years ago
15

Emergency! Find the measure of angle A

Mathematics
1 answer:
Shkiper50 [21]3 years ago
7 0

Answer:

57

CosA = (14/26)

A = Cos⁻¹ (14/26)

A = 57

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The formula s= SA/6 squared gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a
stiv31 [10]
The surface area (SA) of a cube can be written as:

SA = 6s²

From here we can write, the length of the side s as:

s= \sqrt{ \frac{SA}{6} }

For cube with surface area of 1200 square inches, the side length will be:

s= \sqrt{ \frac{1200}{6} }=10 \sqrt{2} inches

For cube with surface area 768 square inches, the side length will be:

s= \sqrt{ \frac{768}{6} }=8 \sqrt{2} inches

The difference in side lengths of two cubes will be:

10 \sqrt{2} -8 \sqrt{2}=2 \sqrt{2}

Rounding to nearest tenth of an integer, the difference between the side lengths of two cubes will be 2.8 inches. 
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3 years ago
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5 0
3 years ago
Find the zero of the linear function f(x)=x+5
inn [45]

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Step-by-step explanation:

f(x)=x+5

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