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dsp73
3 years ago
7

The radius of a circle is 42 inches. What is the circle's area? Use 3.14 for ​.

Mathematics
2 answers:
aalyn [17]3 years ago
7 0

Answer:

5,538.96 in

Step-by-step explanation:

A=π r^2

Remember r^2 is r * r.

r^2 = 42*42= 1,764

A= 3.14 * 1,764 = 5,538.96in

Mazyrski [523]3 years ago
3 0

Answer:

A =5538.96 in^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

We know the radius is 42 and pi is approximated by 3.14

A = 3.14 * 42^2

A =5538.96 in^2

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19 cars.

Step-by-step explanation:

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Reduce.

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3 years ago
What is the least common denominator of the equation ? 2/9x+2/3x=7
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3 years ago
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Find an equation of the line passing through the pair of points. Write the equation in the form Ax+By = C.
liq [111]

Answer:

-10x + y = 63

Step-by-step explanation:

Let's find the slope of this line.  Going from (-7, -7) to (-6, 3), the "run" is +1 (this is the increase in x) and the "rise" is -10 (y increases by 10).  Thus, the slope, m, is m = rise / run = 10 / 1 = 10.

Using the point-slope version of the equation of a straight line, we get

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Performing the multiplication results in

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Rearranging these terms in the form Ax + By = C, we get:

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3 years ago
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