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julia-pushkina [17]
3 years ago
7

I need Help!

Mathematics
2 answers:
Shalnov [3]3 years ago
8 0

Answer:

about 20

Step-by-step explanation:

zimovet [89]3 years ago
5 0
The answer is about 20. Hope this helps
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The sides of a triangle are x, x+7, and 2x-8. If the perimeter of the triangle is 47, what is x
kirza4 [7]

just like the previous one, we sum the sides to get the perimeter.


\bf (x)+(x+7)+(2x-8)=47\implies 4x-1=47\implies 4x=48\\\\\\x=\cfrac{48}{4}\implies x=12

8 0
3 years ago
Please help me! Im making the first correct answer brainliest!
masha68 [24]

Answer:

You didn't ask a question.

Step-by-step explanation:

7 0
3 years ago
Steven wants to buy a $565 bicycle. Steven has no money saved, but will be able to deposit $30 into a savings account when he re
White raven [17]
535 i think thats wat it is

4 0
3 years ago
A roof drops 6 feet for every 3 feet forword,determine the slope of the roof the slope can be positive or negative
dalvyx [7]

Answer:

The slope is -2

Step-by-step explanation:

Since the roof is decreasing in height as it goes forward, I know that the slope must be negative. The equation to find the slope is rise/run. The vertical change, or the rise, is -6 feet, so that value goes on top of the fraction. The horizontal value, or the run, is 3 feet so that goes on the bottom of the fraction.

Now our fraction is \frac{-6}{3}

If you simplify that fraction, you'll get -2.

8 0
3 years ago
Help please!!!!!!!!!!!!!
fiasKO [112]

Answer:

<QPR = 98.5 degrees

Step-by-step explanation:

a line = 180 degrees

7x + 4 + 9x - 40 = 180

16x - 36 = 180

16x = 216

x = 13.5

<QPR = 7x + 4 = 7(13.5) + 4 = 98.5

5 0
3 years ago
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