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3 years ago

What is the answer to this question -4(8)

Mathematics

2 answers:

Greeley [361]3 years ago

8 0

Answer:

-32

Step-by-step explanation:

what you need to do is multiply the -4 and 8. since there is only one negative your answer will also be a negative. negative 4 times 8 is 32 because 4 times 8 is 32 now you add the negative sign.

Hope I helped at all.

zimovet [89]3 years ago

6 0

The answer is: -4 x 8 = -32

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The curved part of this figures is a semicircle.

vovangra [49]

First we join the two endpoints of the semicircle and that will be the diameter.

And to find the length of the diameter, we have to use distance formula, with one endpoint (3,2) and the other is (-4,-2) .

SO we get

$Diameter = \sqrt{ {-4-3)^2 +(-2-2)^2 } = \sqrt{49+16} = \sqrt 65$

Radius is half of diameter, so the radius is

$Radius= \frac{ \sqrt{65}}{2}$

Formula of area of circle is

$Area = \pi r^2$

So the area of semicircle is

$=(1/2) \pi ( \frac{ \sqrt{65}}{2})^2 = 8.125 \pi \square \units$

And the other figure is a triangle, with

$Base = 3-(-4)=3+4=7 \\ height = 2-(-2) = 2+2 =4$

$Area = (1/2)*4*7= 14 square units$

Therefore, total area is the sum of area of semicircle and area of triangle,

And we will get

$Total \ area= 14 + 8.125 \pi \ units^2$

Correct option is the third option .

3 0

3 years ago

Read 2 more answers

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algol13

Pretty sure the answer is 288

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3 years ago

Wade borrowed $12,500 from his uncle at 4.5% simple interest to use for travel and repaid the loan in 4 years. How much did he p

natali 33 [55]

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3 years ago

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Hey mate answer te question please

andrezito [222]

Answer:

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Step-by-step explanation:

In order to solve an equation like this, you'll need to find a common denominator for your Fraction.

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4 0

3 years ago