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artcher [175]
3 years ago
13

Solve a/-6 + 8 = 12. please answer quickly i'm giving 60 points a =

Mathematics
2 answers:
lions [1.4K]3 years ago
8 0
Answer:

A=-24

Step-by-step explanation:


A/-6+8=12

Subract 8 from both sides

A/-6=4

Multiply each side by -6

A=-24
san4es73 [151]3 years ago
3 0

Answer:

a=-24

Step-by-step explanation:

a/-6+8=12

subtract 8 from both sides

a/-6=4

multiply each side by -6

a=-24

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Read 2 more answers
Use the circle to solve for the missing measures. Assume lines that appear tangent are tangent. Do NOT round any answers.
wlad13 [49]

The given circle having two external tangents, according to circle

theorem, have the following values;

  • r = 3
  • m∠1  = 82°
  • m∠2 = 49°
  • x = 82°

<h3>How can the radial  length and angles be found?</h3>

r² + 1.6² = (0.4 + r)²

(0.4 + r)² - (r² + 1.6²) = 0

0.8·r - 2.4 = 0

0.8·r = 2.4

r = 2.4 ÷ 0.8 = 3

  • <u>r = 3</u>

y = 49°

From the two tangent angle theorem, we have;

m∠1 = ((82 + 98 + 82) - (360 - ((82 + 98 + 82)))) ÷ 2 = 82

  • <u>m∠1  = 82°</u>

According to circle theorems, angle at the center is twice angle

subtended at the circumference.

m∠2 = (360 - (82 + 98 + 82)) ÷ 2 = 49°

  • <u>m∠2 = 49°</u>

The length of the chord subtended by the arc <em>x</em> is equal to the length of

the chord subtended by 89°, which gives;

  • <u>x = 82°</u>

Learn more about circle theorems applications here:

brainly.com/question/16879446

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2 years ago
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