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2 years ago

The longer leg of a right triangle is 4 ft

1 answer:

5 0

So the equation would be “a squared +4 squared=8 squared.” Then you would square 4 which would be 16 and 8 which would be 64. Now the equation is a squared+ 16=64 the rest is basic algebra. Subtract 16 from 64 which is 48. Now you have a squared= 48. You get the square root of both sides so now you have the square root of a is 6.9. I’m pretty sure that’s how you do it. I apologize if I’m incorrect.

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Vaselesa [24]

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1 year ago

Given cosθ= -<img src="https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B9%7D" id="TexFormula1" title="\frac{7}{9}" alt="\frac{7}{9}" ali

Dafna1 [17]

$\sin {}^{2} (x) + {cos}^{2} (x) = 1$

${sin}^{2} (x) = 1 - {cos}^{2} (x)$

${sin}^{2} (x) = 1 - ({ \frac{ - 7}{9} })^{2} \\$

${sin}^{2} (x) = 1 - \frac{49}{81} \\$

${sin}^{2} (x) = \frac{81}{81} - \frac{49}{81} \\$

${sin}^{2} (x) = \frac{32}{81} \\$

$\sin(x) = ± \sqrt{ \frac{32}{81} } \\$

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$\tan(x) < 0 \: \: \: and \: \cos(x) < 0$

Thus :

$\sin(x) > 0$

So we have :

$\sin(x) = + \sqrt{ \frac{32}{81} } \\$

$\sin(x) = \frac{ \sqrt{16 \times 2} }{ \sqrt{9 \times 9} } \\$

$\sin(x) = \frac{4 \sqrt{2} }{9} \\$

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$\sin(2x) = 2 \times \sin(x) \times \cos(x)$

$\sin(2x) = 2 \times \frac{4 \sqrt{2} }{9} \times ( - \frac{7}{9} ) \\$

$\sin(2x) = - \frac{56 \sqrt{2} }{81} \\$

5 0

1 year ago

A triangle is drawn on a coordinate plane. Point A is at (2,6), Point B is at (4,10), and Point C is at (8,5). What is the midpo

Leno4ka [110]

Answer: The midpoint of AB should be (3,8)

Explanation: Try drawing the triangle using the information given and find the midpoint of AB then measure it

The pic is not drawn to scale but just to get an idea

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3 years ago

Samantha is mixing yellow and red paint to make orange paint. The table below shows the ratio of drops of red paint to yellow pa

Ilia_Sergeevich [38]

She used 14 drops of yellow paint

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1 year ago

A package weighs 4.25 kilograms. How many grams does the package weigh?(Please Show Work :D)

Bumek [7]

Hello!

4.25 kilograms = C. 4,250 g.

I really hope you found this helpful! :)

6 0

3 years ago