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.

Answers

Answer 1
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
Answer 2
Final answer:

The area of the center circle on a professional soccer field, which has a diameter of 20 yards, is calculated using the formula for the area of a circle. The calculated area is approximately 314.16 square yards.

Explanation:

To find the area of the center circle on a soccer field, we use the formula for the area of a circle: A = πr^2, where A is the area and r is the radius of the circle. Given that the diameter of the circle is 20 yards, the radius (which is half of the diameter) would be 10 yards. Therefore, substituting 10 for r in the formula gives A = π(10)^2.

Performing the calculations, we find that A = π(100), which equals 314.16 square yards, using 3.1416 as the approximation for σ. Hence, the area of the center circle on a professional soccer field is approximately 314.16 square yards.


Related Questions

5 − (x + 5) > −2(x + 4)

Answers

[tex]5-(x+5) \ \textgreater \ -2(x+4)\\\\5-x-5 \ \textgreater \ -2\cdot x-2\cdot4\\\\5-5-x \ \textgreater \ -2x-8\\\\-x \ \textgreater \ -2x-8\ \ \ |add\ 2x\ to\ both\ sides\\\\x \ \textgreater \ -8\to x\in(-8;\ \infty)[/tex]

A 1/4 lb package of sunflower seeds cost 79cents. An 8 ounces package cost 1.59. Which package represents the lower cost per ounce

Answers

The first package is 4 oz (1/4lb) at 79cents = 19.75 cents/oz
Second Package is 8 oz at 1.59 = 19.875 cents / oz
So the first package is cheaper per ounce.

evaluate ab for a = 2 3/4 and b = 4/5

Answers

Saying ab in Algebra means a×b.
So, you're multiplying 2[tex] \frac{3}{4} [/tex] to [tex] \frac{4}{5} [/tex].
But, the mixed number is best as a mixed number, so it becomes [tex] \frac{11}{4} [/tex]
So, this happens to become [tex] \frac{11*4}{4*5} [/tex], multiplying to [tex] \frac{44}{20} [/tex].
BUT, you need to simplify it!
The simplest form is [tex] \frac{11}{5} [/tex], which is your answer.
Have a nice day! ♪

when a family with two adults and three children bought tickets for a movie, they paid a total of $27.75. The next family in line, with two children and three adults, paid $32.25 for the same movie. Find the adult and child ticket prices by writing a system of equations with two variables

Answers

the adult ticket is $8.25 and the child ticket is $3.75

To determine the ticket prices at Family Flicks, we create a system of equations using variables A for adult tickets and C for child tickets, then solve for A and C using the given information.

To find the adult and child ticket prices for movies at Family Flicks, we can establish a system of equations based on the information provided. Let's denote the price of an adult ticket as A and the price of a child ticket as C. From the first family's purchase, we have the equation 2A + 3C = $27.75. The second family's purchase gives us the second equation 3A + 2C = $32.25. Solving this system of equations will provide us with the prices for the adult and child tickets.

Find the coordinates of the third vertex that completes the construction of a right triangle on the coordinate plane.

Help Me Please!!!!

Answers

Answer:

(7,a) Where a ∈ R - {7}

OR

(-2,a) where a ∈ R - {-2}

Step-by-step explanation:

The coordinates of the given line from the right to the left are:

(7,1) and (-2,1)

So, to make a right triangle, we need to make a right angle or by another words, we need to a make a perpendicular line to the given line (i.e: a vertical line parallel to the y-axis at one of the given points)

So, the third vertex must be on the line x=7 or x=-2

So, the coordinates of the third vertex is:

(7,a) Where a ∈ R - {7}

OR

(-2,a) where a ∈ R - {-2}

Answer:

(5, −4)

Step-by-step explanation:

A right triangle is a triangle in which one angle is a right angle (a 90-degree angle). (thank usatestprep)

During a three–day period, the stock of Money, Inc. gained 6 points, lost 10 points, and gained 2 points. What was the total change in points for the three days?

A.
2 points

B.
4 points

C.
–6 points

D.
–2 points

Answers

I strongly believe the answer is D. -2 points
0+6=6
6-10=-4
-4+2=-2

Answer:

the answer is D

Step-by-step explanati

Helpppp me i have no ideaaaa

Answers


[tex]remainder = \frac{ - 1}{x + 3} [/tex]

[tex]quotient = 4x + 4[/tex]

the monthly popcorn special comes in a bowl that is shaped like a hemisphere. the diameter of the bowl is 10 inches. the theater sells the cylindrical container of popcorn for $5.25. if they sell the bowl of popcorn for $5.00, is it a good deal

Answers

Answer: it would be a good deal because if you do you 1/3x (3.14) or pie x (5) cause it’s the diameter and 10 divided by 2 is 5

Step-by-step explanation:

SOMEONE HELP GIVING 50 POINTS HELP HELP HELP I NEED ALL THE ANSWERS

Answers

see attached picture: 

Can you find 10/21 of 3/ 10

Answers

0.1428571428 would be the correct answer

Which equation represents a horizontal line? A. x=y=2 B. y=x+1 C. x=2 D. y=2

Answers

A horizontal line can be represented as y = a number.

Therefore D. y=2 is a horizontal line.

12+root of 35 divided by 2 + 12-2 root of 35 divided by 2

Answers

So : [tex]12+ \frac{\sqrt{35}}{2} + \frac{12-2 \sqrt{35} }{2} [/tex]?

First, you want to bring everything together on the top of the fraction. 
12=24/2 so you can have [tex] \frac{24+ \sqrt{35}+12-2 \sqrt{35} }{2} [/tex]

Add like terms -- 12 +24 = 36       [tex] \sqrt{35}-2 \sqrt{35} = \sqrt{35} [/tex]

Now we are at [tex] \frac{24+ \sqrt{35} }{2} [/tex] Which is the lowest possible simplified version while remaining at exact value. 

Feel free to check my math! I kinda did this off the top of my head. 
Final answer:

The question involves simplifying arithmetic expressions with square roots and division, emphasized on correctly applying order of operations and rules for dealing with exponents.

Explanation:

The student's question involves simplifying expressions containing the square root and the division operation. To simplify expressions like 12 + √35 divided by 2 and 12 - 2√35 divided by 2, we need to perform operations step by step, applying the correct order of operations.

When parenthesis is used, it indicates that we should evaluate that part of the expression first, followed by multiplication or division, and finally addition or subtraction. It is important to pay careful attention to the operation signs and ensure that each step is followed correctly. Working with square roots and division can be tricky, but by breaking down the expression into smaller parts and solving them one by one, we can arrive at the correct answer.

For instance, to solve expressions like 3².35, we need to apply the exponential rules, such as xPx9 = x(p+q). This indicates that you should add the exponents when multiplying numbers with the same base. While this particular rule may not directly apply to the expression in question, knowing rules for operations with exponents can help simplify complex arithmetic expressions.

Which of the following show a geometric series? Select all that apply.

A. 2 + 3 + 4.5 + 6.75 + …
B. 2 + 2.5 + 3 + 3.5 + …
C. 6 + 7 + 9 + 12 + …
D. 4 + 8 + 16 + 20 + …
E. 8 + 4 + 2 + 1 + …

Answers

Answer:

only A. and E.

Step-by-step explanation:

The answer would be option(A) and (E) are show a geometric series.

A. 2 + 3 + 4.5 + 6.75 + …

E. 8 + 4 + 2 + 1 + …

What is a Geometric Series?

Geometric sequence or series is defined as a sequence of numbers such that the next term is either increasing or decreasing by a specific ratio referred to as a geometric sequence.

The standard equation for geometric series as:

Tₙ = a₁ rⁿ⁻¹

where a₁ is the first term and r is the common ratio.

A. 2 + 3 + 4.5 + 6.75 + …

Here, first term a₁ = 2 ,

The common ratio r = 3/2 = 4.5/3 = 6.75/4.5 = 1.5

So, this is a geometric series.

E. 8 + 4 + 2 + 1 + …

Here, first term a₁ = 8 ,

The common ratio r = 4/8 = 2/4 = 1/2 = 0.5

So, this is a geometric series.

Hence, the option(A) and (E) are show a geometric series.

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what is the triangle proportionality therom

Answers

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then the line divides these two sides proportionally.


The Triangle Proportionality Theorem asserts that a line drawn parallel to one side of a triangle divides the other two sides proportionally. This is related to the properties of similar triangles, where the corresponding sides of similar triangles are proportional due to the AAA similarity criterion.

The Triangle Proportionality Theorem states that if a line is drawn parallel to one side of a triangle, it divides the other two sides proportionally. This means that the segments created on one side of the triangle are in the same ratio as the corresponding segments on the other side of the triangle. For example, in [tex](\Delta ABC)[/tex] with a line parallel to [tex](\overline{BC})[/tex], the theorem asserts that [tex](\frac{AD}{DB} = \frac{AE}{EC})[/tex].

This concept is deeply rooted in the properties of similar triangles which are based on the Angle-Angle-Angle (AAA) similarity criterion. According to the AAA theorem, if two triangles have corresponding angles that are equal, then their corresponding sides are proportional. Thus, if two triangles are similar, the lengths of their corresponding sides form a proportion such as [tex](\frac{AB}{DE} = \frac{BC}{EF} = \frac{AC}{DF})[/tex], where each fraction is the ratio of a pair of corresponding sides.

The principles of the Triangle Proportionality Theorem can be applied in various geometric problems, often to compare the lengths of sides within the same triangle or in two similar triangles. It is also useful in determining distances or heights by applying the theorem to real-life scenarios, such as calculating the height of a wall using the shadow it casts, provided the sun's rays are considered parallel.

Tony collected data on years of employment and the annual salaries of the sales people at Company Z. He made a scatter plot and drew a trend line that approximated the line of best fit for the data, as shown on the right. Based on the trend line drawn for the data, what is the salary a salesperson with 3 years of employment at Company Z can expect to earn?

Answers

Answer:

The salary a salesperson expects to earn in 3 years, according to the graph is $40,000

Step-by-step explanation:

The estimated salary for a salesperson with 3 years of employment is $45,000.

How to write an equation of the line?

Without the scatter plot, it's impossible to give an exact answer, but we can make an estimate based on the trend line. Assuming the trend line is a straight line, we can use the equation of the line to estimate the salary for a salesperson with 3 years of employment.

The equation of a straight line can be written in a slope-intercept form as y = mx + b, where y is the dependent variable (salary in this case), x is the independent variable (years of employment in this case), m is the slope of the line, and b is the y-intercept (the value of y when x = 0).

To find the equation of the trend line, Tony would have used statistical software or a calculator to calculate the slope and y-intercept of the line of best fit. He could also have done this by hand using the least squares regression method.

Once we have the equation of the trend line, we can substitute x = 3 to estimate the salary for a salesperson with 3 years of employment.

For example, if the equation of the trend line is y = 5000x + 30000 (where y is the salary in dollars and x is the years of employment), then we can estimate that a salesperson with 3 years of employment can expect to earn:

y = 5000(3) + 30000

y = 15000 + 30000

y = 45000

So the estimated salary for a salesperson with 3 years of employment is $45,000.

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Mark Borrowed $5,500 at 11.5 percent for 5 years (2.199) what is the amount of Marks total payment?

Answers

Let I am interest, r rate, t time and p principle,

l= prt

l= 5500(.115)(5 )= $3162.5 is the total amount of interest to pay.


Answer:

The amount of Mark's Total payment is $9478.15.

Step-by-step explanation:

Given : Mark borrowed $5,500 at 11.5 percent for five years.

To find : What is the amount of Mark's total payment?          

Solution :

Using compound interest formula,

[tex]A=P(1+r)^t[/tex]

Where A is the amount, 

P is the principle P=5,500  

r is the rate r=11.5%=0.115

t is the time t= 5 years

Substitute the value,

[tex]A=P(1+r)^t[/tex]

[tex]A=5500(1+0.115)^5[/tex]

[tex]A=5500(1.115)^5[/tex]

[tex]A=5500(1.7233)[/tex]

[tex]A=9478.15[/tex]

Therefore, The amount of Mark's Total payment is $9478.15.

A rectangle is 12 feet long and 5 feet wide. If the length of the rectangle is increased by 25% and the width is decreased by 20%, what is the change in the area of the rectangle?

Answers

First let's find the area of the original rectangle:
12*5 = 60
Now for the new triangle:
1.25(12) * (1-0.2)(5)
15 * 4 = 60
There is no change in the rectangle.

There are 3 black marbles and 4 red marbles in a bag.
What is the probability you will pick two black marbles out of the bag without replacing the first one chosen?


A) 6/8

B) 9/49

C) 5/13

D) 1/7

Answers

3 + 4 = 7 all marables in bag
The probability that the first marable is black
[tex]P(A_1)=\dfrac{3}{7}[/tex]
The probability that the second marable is black too
[tex]P(A_2)=\dfrac{2}{6}=\dfrac{1}{3}[/tex]
Together:
[tex]P(A)=P(A_1)\cdot P(A_2)=\dfrac{3}{7}\cdot\dfrac{1}{3}=\dfrac{1}{7}\to D[/tex]



The probability you will pick two black marbles out of the bag without replacing the first one chosen is, 1 / 7.

What is mean by Probability?

The term probability refers to the likelihood of an event occurring. Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.

Given that;

There are 3 black marbles and 4 red marbles in a bag.

Hence, Total number of marbles = 3 + 4 = 7

Thus, The probability you will pick one black marbles out of the bag is,

⇒ 3 / 7

And, The probability you will pick another black marbles out of the bag is,

⇒ 2 / 6

⇒ 1 / 3

Thus, The probability you will pick two black marbles out of the bag without replacing the first one chosen is,

⇒ 3/7 × 1/3

⇒ 1/7

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Charlene is looking at a pair of earrings that costs 10$. Find the totlat cost of the earrings if there is a 15% discount and the sales tax is 8%.Does it matter if the discount is taken before if after the sales tax is added?

Answers

Correct Answer (Short 9.18)
Remark
The correct method is to take the reduction and then add the sales tax. It turns out you get the same answer no matter which way you do it. But the IRS is only interested in the tax put on the eventual selling price and not on any theoretical price you may have gotten before the reduction

Obviously the government would prefer the second method (they get more taxation income) but so far they have not closed that loophole.

Correct Method

Cost of earrings = $10
Find 15% reduction 10*15% = 10*15/100 = 1.5 dollars.
Find the reduced price 
10 - 1.5 dollars = 8.5 dollars.

Find the tax on 8.5 dollars.
Amount Tax =  8.5 * 8/100 =0.68 dollars

Add this onto 8.50
Total Cost = 8.50 + 0.68 = $9.18 

Answer to Question about order
Now suppose you take the tax first and add it on.
10 * 8/100 = 0.80
Add this onto the selling price 10 + 0.80 = 10.80

Now take the 15% reduction
10.80 * 15/100 = 1.62

Subtract this from the taxed amount
10.80 - 1.62 = 9.18 which doesn't seem to matter.

Which is the best estimate of the sum of 356 and 71, IF each number is rounded to the nearest ten?
A) 500
B)430
C)420
D)400

Answers

/ 357 + 71= 427 you’ve got to add it to get the sum of the numbers together
Hey there!

So 356 + 71 = 427

and if you round it to the nearest tenth then you're rounding the 27 up. 

This means that your answer will be 430.

Here's a chart to help remind you which numbers to round! :-)

Hope this helps!

if m<cdb=50 degrees, what is m<edg?
 answer options are:
A. 35 DEGREES
B. 40 DEGREES
C. 45 DEGREES
D. 50 DEGREES

Answers

the answer is C. 45.                       

Answer: the answer is C. 45.

Christy works at a bakery. The bakery sells cakes, cupcakes, and pies. Hayley ordered the cake shown .

Answers

Wait what is the cake you didn’t put it

Evaluate the expression. If necessary, round to the nearest hundredth. lne^3x^2

Answers

For this case we have the following expression:
 lne ^ 3x ^ 2
 Rewriting we have:
 ln (e ^ (3x ^ 2))
 By properties of the natural and exponential logarithm function, we can
rewrite the expression as:
 ln (e ^ (3x ^ 2)) = 3x ^ 2
 Answer:
 
The equivalent expression is given by:
 
3x ^ 2
lne^3x^2

by the properties of logarithm

lna^x  = xlna

so, the equation goes by

3x^2 lne; lne = 1

so the equation is 3x^2

How can you find the area of a polygon that is not one for which you know an area formula

Answers

You would divide it into shapes that you already know, like squares, rectangles and triangles. Find the area of each shape and add them together

The set of all numbers on the number line are called the ____________.
A number that has an equivalent terminating or repeating decimal is called a(n) _______________.
A number that has an equivalent decimal that is non-repeating is called a(n) _______________.
Any number that can be written as a fraction of integers is a(n) ______________.

Answers

Interger
Irrational
Ratio
Rational

The set of all numbers on a number line is called the "Real Numbers".

What is a rational number?

Any number that can be represented as the ratio of two integers and where the denominator is not zero is referred to as rational.

The set of all numbers on a number line is called the "Real Numbers".

A number that has an equivalent terminating or repeating decimal is called a "Rational Number".

A number that has an equivalent decimal that is non-repeating is called an "Irrational Number".

Any number that can be written as a fraction of integers is a "Rational Number".

Hence, the set of all numbers on a number line is called the "Real Numbers".

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6 clients are throwing a party. Each cake serves 24 servings and has a party of 70 +3staff how many cakes are needed?

Answers

Final answer:

To serve 73 people at a party, 4 cakes are needed since each cake serves 24 people and it is not possible to have a fraction of a cake.

Explanation:

To determine how many cakes are needed for a party with 70 guests and 3 staff members, we need to calculate the total number of servings required and then divide this by the number of servings each cake provides.

First, we add the number of guests and staff to find the total number of people at the party:

Number of guests: 70Number of staff: 3Total number of people: 70 + 3 = 73

Each cake serving is designed to serve 24 people. We divide the total number of people by the number of servings per cake to find out how many cakes are needed:

(Total number of people) ÷ (Servings per cake) = Number of cakes

73 ÷ 24 = 3.04166667

Since you cannot have a fraction of a cake, you need to round up to the next whole number. Therefore, you need 4 cakes to have enough servings for everyone at the party.

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4 cakes are needed for the party to ensure that each of the 70 guests and 3 staff members receives a serving of cake.

To determine the number of cakes needed, we must first calculate the divide that number by the number of servings each cake provides.

 First, we add the number of guests to the number of staff:

70 guests + 3 staff = 73 people in total.

 Next, we need to ensure that each person gets one serving of cake. Since each cake serves 24 servings, we divide the total number of people by the number of servings per cake:

73 people · 24 servings per cake = 3 cakes with some servings left over.

 Since we cannot serve a fraction of a cake, we must round up to the nearest whole number to ensure that there are enough servings for everyone. Therefore, we need 4 cakes in total to serve all 73 people at the party.

 In conclusion, 4 cakes are needed for the party to ensure that each of the 70 guests and 3 staff members receives a serving of cake.

How do I write a linear inequality that represents the graph?

Answers

Answer:

[tex]y > -x+4[/tex]

Step-by-step explanation:

we know that

The solution of the inequality is the shaded area above the dotted line

The slope of the dotted line is negative

The y-intercept of the dotted line is (0,4)

The x-intercept of the dotted line is (4,0)

Find the slope of the dotted line

[tex]m=(0-4)/(4-0)\\ m=-1[/tex]

The equation of the dotted line in slope intercept form is equal to

[tex]y=mx+b[/tex]

we have

[tex]m=-1[/tex]

[tex]b=4[/tex] -----> y-intercept

substitute

[tex]y=-x+4[/tex]

Find the equation of the inequality

Remember that the solution is the shaded area above the dotted line therefore

The inequality is

[tex]y > -x+4[/tex]

what type of transformation could be used to create a symmetric traffic sign



Answers

it's (B) reflection here is the picture



PLEASE HELP ME!!!!!!!

Answers

 One way to solve this problem would be to find two points on the the line and subtract the y-values from each other (y-y/x-x). Then subtract the x-values from each other. Finally you should have this: y/x as your answer. It may be a fraction, but you also may be able to simplify it into a whole number. This is just how I solve these types of problems in class.

The slope value of the line drawn is 2

Choosing the points to be used to calculate the slope from the graph;

(3, 7) and (0, 1)

Slope = Rise / Run

Rise = y2 - y1 = (1 - 7) = -6Run = x2 - x1 = (0 - 3) = - 3

This means:

Slope = -6/-3

slope = 2

Therefore, the value of the slope is 2

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Evaluate the expression.

12(43−6⋅32)

Answers

if that's 6 time 32 its -1788

but if its 6.32
its 440.16
The answer is -1788. Hope this helps!
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