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sasho [114]
3 years ago
15

When Nestor woke up, the temperature was - 5 C°. By noon, the temperature had increased by 9 C°.

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0

Answer:

B hope this helps :)

Step-by-step explanation:


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Find the cube roots of 125(cos 288° + i sin 288°)
kow [346]
Let r(cos O + i sin O)  be a cube root of 125(cos 288 + i sin 288)
then
r^3(cos O + i sin O)^3  =  125(cos 288 + i sin 28)

so r^3 = 125  and  cos 3O + i sin 3O  =  cos 288 + i sin 288

so r  = 5  and 3O = 288 + 360p and O = 96 +  120p

so one cube root is   5 (cos 96 + i sin 96)

Im a little rusty at this stuff Its been a long time.

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2 years ago
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Which expression represents the area of the shaded region?
irina1246 [14]

Given:

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The expression for the area of the shaded region.

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Area of a square is:

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a=2a

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A_2=(2r)^2

A_2=4r^2

Now, the area of the shaded region is the difference between the area of the square and the area of the circle.

A=A_2-A_1

A=4r^2-\pi r^2

A=4r^2-\pi r^2

A=r^2(4-\pi )

Therefore, the correct option is (a).

5 0
3 years ago
There are 8 squares and 25% are red how many are blue
REY [17]
25% of 8 is 2, 8-2=6
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Softa [21]

Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

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