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ioda
3 years ago
14

The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3 14.

Mathematics
1 answer:
alexira [117]3 years ago
5 0

Answer:

100.48 feet

Step-by-step explanation:

The circumfrence of a circle is represented in the equation C=2\pi r^{2}

So we input the values into the equation C=2(3.14)(4)^2 which when entered into a calculator gives you 100.48feet

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To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that
vesna_86 [32]

Answer:

The triangle has two sides that are equivalent and the angle where the two meet are also equivalent.

In other words, two sides and the angle between them are congruent.

Hope this helps, if it does please give me brainliest, it will help me a lot :)

Have a good day

3 0
2 years ago
I need help please and thank you
myrzilka [38]

Answer:

3

Step-by-step explanation:

Slope = y2- y1/ x2- x1

= 4 - (-2) / 3 -1

= 4+2/ 2

=6/2 = 3

4 0
2 years ago
Morgan had $1,679 in her savings account. After one year, her balance increases by 2%. How
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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
How many zeros are in the standard form of 10 7 write this number in standard form
vodka [1.7K]

<u><em>Answer:</em></u>

There are 7 zeroes in the standard form of 10⁷

The number is: 10,000,000

<u><em>Explanation:</em></u>

<u>A power</u> represents how many times this number is multiplied by itself

<u>For example:</u>

x² means we will multiply x by itself 2 times (x * x)

x⁵ means we will multiply x by itself 5 times (x * x * x * x * x)

<u>The standard form</u> of a number means the number written with no powers

Now, the given number is 10⁷

<u>This means that:</u>

The number is 10 multiplied by itself 7 times

10⁷ = 10 × 10 × 10 × 10 × 10 × 10 × 10 = 10000000 .........> standard form

We can observe that it has 7 zeroes

Hope this helps :)

8 0
3 years ago
To divide 1.89 ÷ 0.9, we need to change it. Choose the correct problem below to show what the “new” look would be.
Arlecino [84]

Answer:

D. 18.9 ÷ 9

Step-by-step explanation:

we need to divide

1.89 ÷ 0.9 but write it in different form

so ,we need to eliminate decimal from 0.9

as 0.9*10 = 9

thus,we multiply both  1.89 and  0.9 with 10, then we will have

(1.89*10) ÷ (0.9*10)

=> 18.9 ÷ 9

Thus, based on above calculation new look would be D. 18.9 ÷ 9

8 0
3 years ago
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