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4vir4ik [10]
4 years ago
8

HELP! PLEASE ITS URGENT!

Mathematics
2 answers:
REY [17]4 years ago
8 0

Answer:

12+18.25π units²

Step-by-step explanation:

See picture:


Anni [7]4 years ago
3 0

Answer:

The correct answer is

Step-by-step explanation:

12+9.125π

units²

I just took the test

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Answer: c) There is not enough evidence to reject H0

Step-by-step explanation:

7 0
3 years ago
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A circle has a radius of 6. 87 feet. What is the circumference of this circle? Use 3. 14 for pi. Round your final answer to the
evablogger [386]

The circumference of this circle to the nearest tenth is equal to 43.1 feet.

<u>Given the following data:</u>

  • Radius = 6.87 feet
  • Pie = 3.14

To determine the circumference of this circle to the nearest tenth:

Mathematically, the circumference of a circle is given by the formula:

C = 2\pi r

<u>Where:</u>

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Substituting the given parameters into the formula, we have;

C = 2 \times 3.14 \times 6.87

Circumference = 43.1 feet.

Read more: brainly.com/question/24568309

3 0
3 years ago
On a DVD, information is stored on bumps that spiral around the disk. There are 73,000 ridges (with bumps) and 73,000 valleys (w
Juli2301 [7.4K]

Answer:

I pretty sure it's 8cm.

Step-by-step explanation:

I multiplied 73,000 by 0.000074, which resulted in 5.402.
Then, I multiplied 73,000 by 0.000032, which resulted in 2.336.
I added the products together, which gave a sum of 7.738.
Then I rounded to the nearest whole number, which is 8, because the tenth in the decimal (.7) rounds up because it is >4.

5 0
3 years ago
Anthony makes candies. First, he mixes 1 cup of cream with 2 cups of chocolate. In all, he used 9 cups of these 2 ingredients. H
krok68 [10]

Answer:

I may be wrong but 8 cups of chocolate

Step-by-step explanation:

First I looked over what I needed to do, 1 cup of cream and 2 cups of chocolate.

The next thing I did was attempt to solve it in 2 different ways, the first one being adding 1 cup of cream and 2 cups of chocolate every time, but that didn't work. The second attempt I just kept 1 cup of cream and added 6 cups of chocolate.

I added 6 because there are already 2 cups of chocolate, so that would add up to 8 cups. We didn't add any cups of cream so its still one. 8+1 is obviously 9.

Sorry if I am wrong

5 0
3 years ago
Find the product and simplify 3a3 (-3a2 + 5a - 5)
djyliett [7]

Answer:

Step-by-step explanation:

3a3 (-3a2 + 5a - 5)

Product: -9a5 + 15a4 - 15a3

3a3 (-3a2 + 5a - 5)

3 0
3 years ago
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