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SVETLANKA909090 [29]
3 years ago
12

HELP DUE IN 10 MINS! Solve for x in the parallelogram below: x=??

Mathematics
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

x = 10

Step-by-step explanation:

The opposite angles in a parallelogram are congruent, then

5x - 9 = 3x + 11 ( subtract 3x from both sides )

2x - 9 = 11 ( add 9 to both sides )

2x = 20 ( divide both sides by 2 )

x = 10

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3 years ago
Which expression is the coefficient of the n term -1
Elan Coil [88]

Answer:

C. -2n² - n + 5

Step-by-step explanation:

In expression C, the coefficient of the n term is -1;

  The expression in choice C is given as:

               -2n² - n + 5

The coefficient is the number before a variable;

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7 0
4 years ago
Please help me ASAP yall!!!
ASHA 777 [7]

Answer:

60

Step-by-step explanation:

<C+<D = 180 since they form a straight line

5x+20 +3x = 180

8x+20 = 180

Subtract 20 from each side

8x+20-20 = 180-20

8x = 160

Divide by 8

8x/8 = 160/8

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We want to find angle D

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8 0
3 years ago
An airplane covers 94 miles in 6 of an hour.<br> The plane can cover<br> miles in 6 hours.
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Answer:

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7 0
3 years ago
Read 2 more answers
Geometry - Segment Addition<br>What's BD?​
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Answer:

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Step-by-step explanation:

First you solve for x

3x-1 = 2x-4+2x-3-2

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substitute 4 for x

2(4)-4

8-4

=4

5 0
3 years ago
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