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2 years ago

10

(250 Points If your right!) Triangle ABC is similar to triangle DEF. Find the measure of side FD. (Round your answer to the near

est tenth PLEASE.)

1 answer:

ryzh [129]2 years ago

3 0

Answer:

x=88.09

Step-by-step explanation:

19/11 = x/51

11x=969

x=969/11 or x=88.09

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1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?

pantera1 [17]

Answer: $x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

Step by step:

$1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

(Used a table of common angles)

8 0

3 years ago

Prove that 3^17−3^15+3^13 is divisible by 73.<br><br> HELPPPPPP PLEASEEE

Fiesta28 [93]

Answer:

Well 3^17-3^15+3^13 equals 116,385,579

Now divide that by 73

So 116,385,579 ÷ 73

That equals 1,594,323

Hope this helps

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2 years ago

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8/10 is iqual to 4/5

yan [13]

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3 years ago

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The answer is D) -5/16

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A researcher wants to know if eating a mint affects whether people can distinguish between two popular orange juice brands. To c

slamgirl [31]

Answer:

D

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Step-by-step explanation:

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2 years ago

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