3 years ago

(3x-7)+(-4x-8)........ what is the sum of this pls

Mathematics

1 answer:

yarga [219]3 years ago

6 0

Answer:

(3x-7)+(-4x-8)

3x-7-4x-8

3x-4x-7-8

-x-15

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What is the value of x? Enter your answer in the box. °

Gnom [1K]

Answer:

The answer to your question is: 111°

Step-by-step explanation:

The sum of the interior angles of a polygon is (n - 2) 180°

This polygon has 7 sides

Then n = 7

Process

120 + 158 + 126 + 125 + 121 + 139 + x = (7 - 2)180

120 + 158 + 126 + 125 + 121 + 139 + x = 5(180)

789 + x = 900

x = 900 -789

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Felicia has $350 to deposit into two different savings accounts. Felicia will deposit $200 into Account I, which earns 4.5% annu

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