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sergey [27]
2 years ago
15

-7.5x + 0.25 = -5.75 The value of x is =

Mathematics
2 answers:
faltersainse [42]2 years ago
6 0

Answer:

x = .8

Step-by-step explanation:

-7.5x = -5.75 - 0.25

-7.5x = -6.0

-6.0/-7.5 = .8

VashaNatasha [74]2 years ago
3 0

Answer:

x = 4/5

I hope this helps!

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Answer: #1) 3. The semicircle has twice the area of the circle

#2) 3. 28.26 cm

Step-by-step explanation:

#1) The formula for area of circle is A=πr².

First, plugging in the radius for the circle, A=π(5)², we get an area of about 78.54 inches².

Plugging in the radius for the semicircle, A=π(10)², which is equal to 314.159.... However, since it is a SEMI-circle, we will divide this value by 2 to give us an area of about 157.08 inches².

Comparing the two areas, we see the semicircle has twice the area of the circle as 78.54 x 2 = 157.08.

#2) Again use the area of circle formula, A=πr². The radius is half the diameter, so half of 6cm=3cm, meaning r=3. plug it in.

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3 0
2 years ago
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Step-by-step explanation:

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2 years ago
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2 years ago
Divide the following polynomial using synthetic division, then place the answer in the proper location on the grid. Write answer
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