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3 years ago

9

Suppose a screen is 96 inches wide and 54 inches high. What is the ratio of the width to the height of the screen, in lowest ter

ms?

1 answer:

fenix001 [56]3 years ago

6 0

Aspect ratio: 1.25

Width: 96

Height: 76.8

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Find the area of the triangles round to the tenth. Show steps please!

amm1812

Answer:

$\large\boxed{A=89.6}$

Step-by-step explanation:

It's the right triangle. The formula of an area of a right triangle:

$A=\dfrac{leg\cdit leg}{2}$

We have:

$leg=x\\leg=16\\\text{and the angle}\ \alpha=55^o$

Use tangent:

$tangent=\dfrac{opposite}{adjacent}$

$opposite=16,\ adjacent=x$

$\tan55^o\approx1.4281$

Substitute:

$\dfrac{16}{x}=1.4281$ <em>convert the decimal to the fraction</em>

$\dfrac{16}{x}=\dfrac{14281}{10000}$ <em>cross multiply</em>

$14281x=160000$ <em>divide both sides by 14281</em>

$x=\dfrac{160000}{14281}$

$x\approx11.2$

Calculate the area:

$A=\dfrac{(16)(11.2)}{2}=89.6$

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3 years ago

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Last summer at camp okey fun okey the ratio of the number of boy campers to the number of girl campers was 8:7 if there were 56

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There would be 64 boys, 56/7=8 so you would have to multiple 8 by 8, which equals 64

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3 years ago

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How much does 60% out of 100

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Answer:

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Step-by-step explanation:

Given: 60% out of 100

Expressed mathematically:

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postnew [5]

Answer:

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Step-by-step explanation:

9 x 60 (how many seconds are in a minute) = 540

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