3 years ago

Answer -10 – (-2) =

Mathematics

2 answers:

Allisa [31]3 years ago

8 0

Answer:

Step-by-step explanation:

- (-2) is the same as + 2

-10 + 2 = -8

Trava [24]3 years ago

6 0

Answer:

-8

Step-by-step explanation:

Since there are two minus sign with the two, make it into plus. There fore the equation is -10+2= -8!

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Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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2 years ago

Michelle found the area of a circle as 78.5 〖in〗^2. She used 3.14 for π. What is the radius of the circle? Explain how you found

SCORPION-xisa [38]

Answer:

r = 5 inches

Step-by-step explanation:

Area of circle, $A=78.5\ in^2$

It is required to find the radius of the circle. The area of a circle is given by the formula :

$A=\pi r^2$

r is radius of the circle

$r=\sqrt{\dfrac{A}{\pi}} \\\\r=\sqrt{\dfrac{78.5}{3.14}} \\\\r=5\ \text{inch}$

So, the radius of the circle is 5 inches.

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