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Liono4ka [1.6K]
3 years ago
9

Will someone check my answers?

Mathematics
1 answer:
NikAS [45]3 years ago
8 0
I think they are all correct, except you may want to double check on 24 and 21, but I am probably wrong.
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OK right image and easier to read lol
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Answer:

you want us to do all that

Step-by-step explanation:

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25 POINTS NEED QUICK What is the equation of the line of best fit given by a regression calculator for the data in the table?
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A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

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In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

                         =1/2 × 15² ×  8π/5

                         =1/2 ×225 × 8π/5

                          =360π cm²

area of the sector = 360π cm²

8 0
3 years ago
Which expressions are equivalent to <br> 2r+(t+r)
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Answer:

2r+(t+r)

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Write equivalent fractions for 3^3 bottom 4 and 1^2 bottom 3
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\tt \dfrac{3^3}{4}=\dfrac{27}{4}\\\\\dfrac{1^2}{3}=\dfrac{1}{3}

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2 years ago
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