3 years ago

Can someone help me this you would be my life saver it’s a grade

Mathematics

1 answer:

Nina [5.8K]3 years ago

5 0

The answer is (6,-2)

Look at the photo I sent you, it helps

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Find the surface area of this cylinder.<br>Round to the nearest tenth.<br>

iren2701 [21]

Answer:

282.7

Step-by-step explanation:

surface area of cylinder = 2πR² + 2πRh

R = 3 cm

h = 12 cm

surface area of cylinder = 2π*3² + 2π*3*12 = 90π ≈ 90*3.14 ≈ 282.7 (cm²)

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3 years ago

For f(x)=log(the 2 is below log)2(x), between which two integers does f(40) lie?

Veronika [31]

f(x) = log2 x

f(40) = log2 40

40 = 2^y

2^5 = 32 and 2^6 = 64

so f(40) lies between integers 5 and 6.

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3 years ago

5×2×y×y×y write the expression using exponents

gayaneshka [121]

Answer:

10y³

Step-by-step explanation:

y appears 3 times.

Which means y is multiplied by itself 3 times.

Then, simplify 5 x 2, which is 10, then put y3 after 10.

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3 years ago

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Use a form of the distributive property to rewrite the algebraic expression without parentheses. 1/5(9x-20)

Dima020 [189]

Answer:

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Step-by-step explanation:

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3 years ago

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Square A B C D is shown. Each side is 30 yards long. A diagonal is drawn from point D to point B to form 2 triangles.

Viktor [21]

Answer:

Length = 30√2 yards.

Step-by-step explanation:

There is a plot of land of square shape that has 30 yards on each side. Jules owns this plot. He plans to divide the land in half by building a fence along the diagonal of the plot.

We have to calculate the length of the fence.

Now, the length of the diagonal will be the length of the fence.

So, the length = $\sqrt{30^{2} + 30^{2}} = 30\sqrt{2}$ yards. (Answer)

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3 years ago

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