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krok68 [10]
3 years ago
15

Find the value of x A. 11.67° B. 42.5° C.18° D.20°

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

D. 20°

Step-by-step explanation:

The entire angle = 90 degrees you can tell that from the corner indicator

Set the two expressions equal to 90

(3x+10) + (x) = 90

Combine like terms

4x + 10 = 90

Subtract 10 from both sides to cancel it out

4x = 80

Divide each side by 4

x = 20

Check it by substituting x for 20

3(20) + 10 = 70     x = 20     70 + 20 = 90

Paha777 [63]3 years ago
7 0

Answer:

D. 20degrees

Step-by-step explanation:

This is a Complementary Angle so it will equal 90.

3x + 10 + x = 90

4x + 10 = 90

90 - 10

= 80

4x = 80

80 / 4

x = 20

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kherson [118]

<span>d=drinks
p=pretzels
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7 0
3 years ago
Evaluate each expression. Click on undefined as needed
Brums [2.3K]
If the 0 is in the numerator, the value is 0
if the 0 is in the denominator, the value is undefined

so 0/8 = 0
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3 years ago
Write in index form 12 × 12 × 12 × 12 × 12 × 12 × 12 × 12
iris [78.8K]

Answer:

\sf{12^{8} }

Step-by-step explanation:

12 × 12 × 12 × 12 × 12 × 12 × 12 × 12 = \sf{12^{8} }

\sf{12^{8} } = 429,981,696

An easy way to think of this is that there are 12 is being multiplied by itselg 8 times (there are 8 12s). Similar to how squared numbers work...

Hope this helps! If you need further explanation, let me know!

- profparis

8 0
2 years ago
Read 2 more answers
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