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Over [174]
3 years ago
13

Calculate the length of the circumference of a circle with diameter of 7cm? ~3

Mathematics
2 answers:
Shtirlitz [24]3 years ago
8 0
Length of the circumference=perimeter
Perimeter of a circle=2pir
Which is 44
DaniilM [7]3 years ago
6 0

The calculation for circumference is 2πr or 2 × π (pi=3.14) × radius of a circle

Since the diameter of this circle is 7cm, and the radius is half of the diameter, 7 ÷ 2 = 3.5

So, 2×3.14(π)×3.5=21.98

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What is the y-intercept Of the function Represented by the table of values belowX -2 1 2 4 7 y 15 6 3 -3 -12
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Given:

The table of values.

To find:

The y-intercept of the given function.

Solution:

The table of values represents a linear function because the rate of change is constant.

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y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

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Putting x=0, we get

y=-3(0)+9

y=0+9

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The y-intercept is 9. Therefore, the correct option is C.

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3 years ago
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ioda
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3 years ago
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