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Sauron [17]
3 years ago
9

Find the radius and circumference of a CD with a diameter of 4.75 inches. SOMEONE PLEASE HELP ME!!!!!

Mathematics
2 answers:
Genrish500 [490]3 years ago
6 0
Here are your equations:
r = diameter/2
C = 2*pi*r

Now all you have to do is plug in the 4.75 for the diameter, and you have your answer!
If you don't have a calculator with "pi" on it, use 3.14159.
igomit [66]3 years ago
3 0
The radius is half of the diameter.
To find the circumference, use the equation C=2(pi)r or C=(pi)d.
r meaning radius. d meaning diameter.
(pi) is about 3.14 or 22/7
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8 0
3 years ago
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you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct
erica [24]

Answer:

Step-by-step explanation:

0.25 x 0.044 = 0.011

a. Changing 0.25 to 25 moves the decimal 2 places to the right, and changing 0.044 to 44 moves the decimal 3 places to the right, so once we solve 25 x 44, we have to move the decimal a total of 5 places to the left.

25 x 44 = 1100, then move the decimal 5 places to the left to get 0.01100...but we don't add the zeros at the end.

b. multiplying 1/4 times 0.044 = 0.044/4 = 0.011

Hope this helps.

8 0
2 years ago
PLS HELP!!!! ASAP
Umnica [9.8K]

Answer:

PLS HELP!!!! ASAP

Like terms 3x, 2x

Different terms 4y, 7z

Step-by-step explanation:

Example similar terms

3x + x = 5x

Example different terms

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4 0
2 years ago
Bob decided to give up a full-time salary of $45000 a year to go to school for 4 years. The total cost of going to school will n
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Answer:

Step-by-step explanation:

Semester Costs = 8*2858 =                     22864

Books / semester= 8 * 391 =                        <u>3128</u>

Total                                                            25992

If he wants to repay all this in six years the answer would be

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2 years ago
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Answer:

The leading coefficient of the polynomial is -9.

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9 is the leading coefficient of this polynomial because if you rearrange the exponents from greatest to least, you will get this :

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Your leading coefficient is the number included with your degree or highest exponent.

3 0
3 years ago
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