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miv72 [106K]
3 years ago
7

How many solutions does 7x=-10+8x

Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

one: x=10

hope this helps

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Step-by-step explanation:

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Answer:

6) 15

7)5

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9)60 degrees

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Step-by-step explanation:

GHIJ is a parallelogram.

Opposite sides of a parallelogram are congruent.

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3y - 2y = 1 + 1

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7) HI = ?

HI = 2y + 1

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= 5

therefore, HI = 5

Opposite angles of a parallelogram are equal.

8) m(angle I) = 120 degrees...... (given)

therefore, measure of angle G = measure of angle I

therefore, m(angle G) = 120 degrees

Consecutive angles of a parallelogram are supplementary.

9) m(angle I) + m(angle J) = 180 degrees

120 + m (angle J) = 180

m(angle J) = 180 - 120

= 60 degrees.

The diagonals of a parallelogram bisect each other.

10) JK = 9 .........( given)

JK = HK

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