3 years ago

What is the exact circumference of the circle?

Mathematics

2 answers:

umka2103 [35]3 years ago

8 0

Answer:

Step-by-step explanation:

Paraphin [41]3 years ago

5 0

40 when you add both sides up

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Rewrite the following without an exponent<br> (-7)⁻²

chubhunter [2.5K]

Answer:

The correct answer is 1/49

Step-by-step explanation:

In order to find this, we first can eliminate the negative in the exponent by putting the whole this in the denominator.

(-7)^-2 = 1/(-7)^2

Now we can evaluate the denominator

1/(-7)^2 = 1/49

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4 years ago

What is this formula p x (1+r/200)^nt ?? answer fast

damaskus [11]

Step-by-step explanation:

compound-interest formula

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3 years ago

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Find the surface area and volume of the cone .

liraira [26]

Answer:

Surface area of a cone = πrs + πr2

Volume of a cone = 1/3πr2h.

The slant of a right circle cone can be figured out using the Pythagorean Theorem if you have the height and the radius.

Answers for volume problems should always be in cubic units.

Step-by-step explanation:

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3 years ago

Please include the steps that took you to get your answer. I am very confused on what to do with the 1/2.

Juliette [100K]

First let's review how to expand this!

(ax+b)^2=a^2*x^2+2abx+a^2

In this case

(2x^2+1/2)^2=2^2*x^2+2*1/2*2x+(1/2)^2

=4x^2+2x+1/4

Done!

8 0

3 years ago

Which of the following represent the same ratio?

eduard

Answer:2/3 and 2:3
Explanation

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3 years ago