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Over [174]
3 years ago
15

What is the role of PI in finding the circumference of a circle

Mathematics
1 answer:
Katarina [22]3 years ago
5 0

Answer:

PI is part of the formula for the circumference.

Step-by-step explanation:

The formula is c=2π r.

Hope it helps!

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Convert 945 in/sec to miles per hour. round to one decimal​
Ulleksa [173]

Answer:

53.7 miles per hour

divide the speed value by 17.6

6 0
3 years ago
Jamie purchased a DVD that was on sale for 15% off. The sales tax in her county is 5%. Let y represent the original price of the
Mamont248 [21]
0.05(0.85y)=5%(of the onsale dvd) and a is just the on sale dvd (85%)
8 0
2 years ago
2x^2+5x+3/x^2-3x-4 divided by 4x^2+2x-6/x^2-8x+16
Masja [62]

Answer: \frac{x-4}{2x-2}

Step-by-step explanation:

\frac{2x^2+5x+3}{x^2-3x-4} divided by \frac{4x^2+2x-6}{x^2-8x+16} is the same thing as multiplying \frac{2x^2+5x+3}{x^2-3x-4} by \frac{x^2-8x+16}{4x^2+2x-6}.

The equation we get is:

\frac{2x^2+5x+3}{x^2-3x-4}*\frac{x^2-8x+16}{4x^2+2x-6}

With this equation, we can factor each equation:

\frac{(x+1)(2x+3)}{(x+1)(x-4)} *\frac{(x-4)(x-4)}{2(x-1)(2x+3)}

We can cancel out like terms since they would be dividing each other:

\frac{x-4}{2x-2}

8 0
3 years ago
What is the slope of the line <br> -3x+5y=2x+3y
GaryK [48]
X=2/5y
hope this helps!
8 0
3 years ago
Read 2 more answers
There are 125 members in the school
Igoryamba

Answer:

125x + 5,000 > 25,000

5 0
2 years ago
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