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valentinak56 [21]
3 years ago
10

I need help with these

Mathematics
1 answer:
tia_tia [17]3 years ago
7 0

Answer:

Step-by-step explanation:

5)               -7 (-15w + 21) + 3(18 - 27w)

Step 2:        105w - 81w - 147 + 54

6)      

step 3:       24w - 93

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3 years ago
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Find the cosine of ∠J.
Luden [163]

Answer:

\cos =  \frac{base}{hypotenuse}  =   \\ \cos(j)  =  \frac{ \sqrt{29} }{ \sqrt{94} }    =   \sqrt{ \frac{29}{94} }  \\ answer =  \sqrt{ \frac{29}{94} }

7 0
3 years ago
15 = -4p + 7<br><br><br> solving equation
Ratling [72]

Answer:

p = -2

Step-by-step explanation:

15 = -4p + 7

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3 years ago
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Find the sum of the interior angles of a regular 29-gon.
aev [14]

Woah! A 29-gon. Impressive!

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180(29-2)

180(27)

The sum of the interior angles of a regular 29-gon is 4860 degrees.

Hope that helps!


6 0
3 years ago
You bought a magazine for $5 and four erasers. You spend a total of $25. How much did each eraser cost?
Lesechka [4]

Subtract magazine from total:

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Each eraser cost $5

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