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2 years ago

The radius of a circle is 2 yards. What is the circle's area? r=2 yd Use 3.14 for .

Mathematics

1 answer:

MaRussiya [10]2 years ago

7 0

Answer:

12.56

Step-by-step explanation:

pi(r)^2

3.14(2)^2

12.56

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Mars2501 [29]

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68×32= 2176

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3 years ago

(a) What is the matrix representation of G, with vertices in numerical (ascending) order? (b) Consider using the Greedy Coloring

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3 years ago

Graph the following piecewise function.<br> 2 f(x)= x+3 if 4 < x <8<br> 2x if x 28<br> 2

just olya [345]

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3 years ago

If sample data come from a population that is not normally distributed, which

yuradex [85]

Answer:

For a data from population which is not normally distributed, the sample means would be approximately a normal distribution if the sample size (n) is greater than 30

Step-by-step explanation:

For a data from population which is not normally distributed, the sample means would be approximately a normal distribution if the sample size (n) is greater than 30 i.e n ≥ 30 this is because the shape of a sample distribution depends on the sample size. But for normal distribution population, the sample means would be approximately a normal distribution even if the sample size is less than 30;

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3 years ago

Justify each step in solving the equation -3(2x-3)=25-8x by writing a reason for each statement.

Mice21 [21]

Answer: x= 8.

Step-by-step explanation: Given equation -3(2x-3)=25-8x.

Step 1: We have -3 in front of (2x-3). We always simplify a parenthesis first.

Therefore, applying Distributive property in first step, we get

-6x +9 = 25-8x.

Step 2: We need to get rid 9 from left side to get constant numbers on right side.

9 is being added on left side.

So, we would apply reverse operation of addition.

Therefore, applying Subtraction property of equality, we get

-6x +9-9 = 25-8x-9

-6x =16 -8x.

Step 3: We need to get rid 8x from right side.

The reverse operation of subtraction is addition.

Therefore, applying Addition property of equality, we get

-6x+8x =16 -8x+8x

2x = 16.

Step 4: We need to isolate it for x.

So, applying Division property of equality, we get

$\frac{2x}{2}=\frac{16}{2}$

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3 years ago

The radius of a circle is 2 yards. What is the circle's area? r=2 yd Use 3.14 for ​.

The radius of a circle is 2 yards. What is the circle's area? r=2 yd Use 3.14 for .