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Sever21 [200]
3 years ago
6

The center circle of a soccer field prohibits a defender from being near the ball at the start or restart of a soccer game. On a

professional soccer field this circle is 20 yards in diameter. Find the area of this circle. Show work or explain how you found your answer.
Mathematics
1 answer:
rosijanka [135]3 years ago
6 0
In terms of diameter (d), the area (A) of a circle is given by the formula
 A = (π/4)d²

You have d=20 yd, so the area of the circle is
 A = (π/4)×(20 yd)² . . . . substitute the given information into the formula
 A = 100π yd² . . . . . . . . do the arithmetic
 A ≈ 314.16 yd²
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Makovka662 [10]
Levant will receive about 9 american dollars when he exchanges his pesos.

According to this question, 1 american dollar is worth about 11 pesos. In order to find that, you need to divide 3000/270 which gives you around 11. In order to find out how many dollars he will receive for his pesos, you need to divide 100 by 11 which gives you about 9 dollars.
4 0
3 years ago
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Solve each equation for the indicated variable. u = -3a - 3 , for a
MAXImum [283]

Answer:

a = \frac{u + 3}{-3}

Step-by-step explanation:

Isolate the variable, a. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operation and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

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Subtraction

First, add 3 to both sides of the equation:

u = -3a - 3

u (+3) = -3a - 3 (+3)

u + 3 = -3a

Next, divide -3 from both sides of the equation:

(u + 3)/-3 = (-3a)/-3

a = (u + 3)/-3

a = \frac{u + 3}{-3}  is your answer.

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8 0
3 years ago
Which unit of measure would be appropriate for the volume of a sphere with a radius of 2 meters?
Goryan [66]

The volume of a figure is the quantity of three-dimensional space enclosed by a closed surface, or simpler the number of cubes required to fill it completely.

The basic unit of volume in the metric system is the liter (l).There are 1000 liters per cubic meter.

Howeever, the unit of measure that would be appropriate for the volume of a sphere with a radius of 2 meters is cubic meters. Correct answer: C


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Answer:

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Step-by-step explanation:

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