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Pachacha [2.7K]
3 years ago
13

Need help plsssssssss

Mathematics
1 answer:
kotykmax [81]3 years ago
6 0

Answer:

4. 8.0

5. 27.6

6. 35.5 degrees

Step-by-step explanation:

#4- Cos 48= x/12

0.669131= x/12

x=8.0

#5

Sin 78= 27/x

0.978=27/x

0.978x=27

x=27.6

#5

Tan X= 15/21

tan x= .714

inverse tan= 35.5 degrees

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Answer:

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Let a=x^2+4. Use a to find the solutions for the following equation:
Helga [31]
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<span>(x^2 + 4)^2 + 32 = 12(x^2 + 4) </span>
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<span>for a = 4 ... 4 = x^2 + 4 ... x^2 = 0 ... x = 0 </span>

<span>x = -2, 0, +2 so your answer is going to be e

</span>
4 0
3 years ago
Read 2 more answers
Full explanation please<br> will mark brainlist
just olya [345]

Answer:

Hope the picture will help you.....

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