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Crank
3 years ago
7

Angle QPS is supplementary to angle psr. Also QPS=(2x+12) and PSR is x. Find the value of x. Can you help

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0

What does 'supplementary' mean ?
It means the two angles add up to 180 degrees.
So ...
                                                    (2x + 12) + (x)  =  180

Eliminate parentheses:             2x + 12   +   x   =  180

Add up the 'x' terms:                  3x + 12             =  180

Subtract 12 from each side:     3x                      =  168

Divide each side by  3 :              x                      =   56 degrees

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cestrela7 [59]

Answer:

x - 3y + 8

Step-by-step explanation:

The perimeter of a triangle is sum of all the three sides.

One side is 5x + y

Another side is 7 + x

Let third side be m

And perimeter is 7x - 2y + 15

We simply sum the 3 sides and equate it to expression of perimeter and find m(third side). Shown below:

5x + y + 7 + x + m = 7x - 2y + 15

6x + y + 7 + m = 7x - 2y + 15

m = 7x - 2y + 15 - 6x - y - 7

m = x - 3y + 8

This is the length of the third side "x - 3y + 8"

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Step-by-step explanation:

The factors of each numbers are

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The list of composite and prime numbers are

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