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77julia77 [94]
3 years ago
12

Please help this is the last question and i don’t understand

Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer: 30

Step-by-step explanation:

The angles of triangles have to add up to 180°

So:

x + x + 70 + x + 20 = 180

Bring like terms together

x + x + x + 70 + 20 = 180

3x + 90 = 180

Subtract 90 from both sides

3x = 90

Divide both sides by 3

x = 30

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mash [69]

Answer:

B is 45    A is 135

Step-by-step explanation:

45 + 135 = 180

45 x 3 = 135

135 is three times as large as 45

135 and 45 are supplementary angles

6 0
3 years ago
What power of 10 can you multiply 0.02 by to get a product of 20? Explain your answer.
viva [34]
10^1 = .2
10^2 = 2.0
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So, the answer is 3.
7 0
4 years ago
Read 2 more answers
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sweet [91]

Answer:

50,000 + 3,000 + 200 + 70 + 4

Step-by-step explanation:

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53,274 = 50,000 + 3,000 + 200 + 70 + 4

Remember to fill in 0 for all digits. They must keep their value.

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7 0
3 years ago
7. Find the slope. Make sure to reduce.
MakcuM [25]

Answer:

The slope is zero

Step-by-step explanation:

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4 0
3 years ago
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Alinara [238K]

Answer:

14.42

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17.00 x .80  20% off means price is 80% (or .80) of price

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13.60 + .82 = 14.42 sales price plus sales tax

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