What is the area of a sector with a central angle of 5pi/7 radians and a diameter of 5.6 in.? Use 3.14 for pi and round your final answer to the nearest hundredth.

Answers

Answer 1

By definition, the area of a circular sector is given by:
[tex]A = \frac{x\pi r^2}{360} [/tex]
Where,
r: radius of the circle
x: central angle
The central angle in degrees is given by:
[tex] x = \frac{5 \pi }{7}* \frac{180}{ \pi } = \frac{5}{7}* 180 x = 128.6[/tex]
Substituting values we have:
[tex]A = \frac{128.6*3.14*( \frac{5.6}{2} )^2}{360}[/tex]
[tex]A = 8.79[/tex]
Answer:
the area of a sector with a central angle of 5pi/7 radians and a diameter of 5.6 in is:
[tex]A = 8.79[/tex]

Related Questions

What is the slope of a line perpendicular to the line y=3/4x+1

Answers

Answer: -4/3

The slope of the given line is 3/4. It's simply the value in front of the x. To be more specific, the equation given to us is in the form y = mx+b where m = 3/4 is the slope.

Flip the fraction and then the sign
flip the fraction: 3/4 ----> 4/3
Then flip the sign: 4/3 ----> -4/3
In other words, we take the negative reciprocal

Notice how the original slope 3/4 and the perpendicular slope -4/3 multiply to -1

The length of a rectangle is represented by (6x − 2), and the width is represented by (x − 1). Which expression best represents the perimeter of the rectangle? A) 14x − 6 B) − 8x + 2 C) 6x2 − 8x D) 6x2 − 8x + 2

Answers

P = 2L + 2W
P = 2(6x - 2) + 2(x - 1)
P = 12x - 4 + 2x - 2
P = 14x - 6
A <<<< Answer

Determine if each set of ordered pairs represents a function

Answers

Function:(7,-4), (0,9), (2,-2)
(-6,5),(-5,6), (8,2)
(2,3),(6,-5),(-1,3)
Not a function:(0,3),(0,7),(4,0)
(1,9),(-3,-2),(1,-4)

Answer:

Function:(7,-4), (0,9), (2,-2)

(-6,5),(-5,6), (8,2)

(2,3),(6,-5),(-1,3)

Not a function:(0,3),(0,7),(4,0)

(1,9),(-3,-2),(1,-4)

Step-by-step explanation:

edge

A transformation T: (x, y) (x - 5, y + 3).
The image of A(2, -1) is

(3, 2)
(-3, 2)
(-3, -2)

Answers

The first coordinate is given the letter x and the second coordinate is given the letter y. Thus, we have that we need to substitute in the formula of the transformation 2 for x and -1 for y. Hence, we have that the image of A is given by: T(A)= (2-5, -1+3)= (-3, 2).

Answer:

i can confirm the above awnser is correct

I WILL GIVE 40 POINTS FOR EACH QUESTION REALLY NEED HELP THERE ANOTHER POST FOR THE OTHER QUESTION IT WILL BE ANOTHER 40 AS WELL AND MARKED AS BRAIN~LEST AND STAR RATEING

Answers

The first page is S^2

The fourth page is The last option

The fifth page maybe the last one (im not sure)

Answer:The first page is S^2

The fourth page is The last option

The fifth page maybe the last one

Step-by-step explanation:

The next term of the arithmetic sequence 39,60,81,102,123.....is

Answers

it is 144 just add 21

the next number is the previous number plus 21
so the next number is 123 +21 = 144

How do you represent 4/7 + 3/14 on a number line?
Please Help Asap!!

Answers

well u need common denominators so 3/14 easy number line and 4/7=8/14 multiply by 2

Use the quadratic function to predict f(x) if x equals 2. f(x) = −3x2 + 180x − 285

Answers

f (x) = -3x2 + 180x - 285
For this case, the first thing to do is replace the value of x = 2 in the given function to know the result.
We have to replace:
f (2) = -3 * (2) ^ 2 + 180 * (2) - 285
f (2) = 63
Answer:
the value of pa for x = 2 is:
f (2) = 63

A restaurant purchased 160 boxes of mustard packets. Each box contained 103 packets of mustard. How many mustard packets in total did the restaurant purchase?

Answers

160 x 103 = 16,480

Hope this helped :)

Answer:

Total number of mustard packets = 16,480

Explanation:

A restaurant buy mustard box = 160

Each mustard box contain packet = 103 packet

In order to find the total number of packets

Total number of packet = (number of mustard boxes)*(number of packets in a box)

Now put the values in given formula

Total number of packet = 160 * 103

Total number of packet = 16,480

final answer, I hope it helps

Each summer Primo Pizza and Pizza Supreme compete to see who has the larger summer profit. Let f ( x ) f(x) represent Primo Pizza's profit x x days after June 1. Let g ( x ) g(x) represent Pizza Supreme's profit x x days after June 1. Suppose Primo Pizza's profit each day is two times as large as the profit of Pizza Supreme. Express the function f f in terms of the function g
g.

Answers

For this case we have the following functions:
f (x) = Primo Pizza's profit
g (x) = Pizza Supreme's profit.
According to the statement we have:
"Primo Pizza's profit each day is two times as large as the profit of Pizza Supreme"
Therefore, we can write one function in terms of the other in the following way:
f (x) = 2g (x)
Answer:
the function f in terms of the function g is:
f (x) = 2g (x)

Final answer:

The profit of Primo Pizza is twice the profit of Pizza Supreme each day. Therefore, if g(x) represents the profit of Pizza Supreme x days after June 1, then f(x), representing Primo Pizza's profit, is given by f(x) = 2g(x). This means if Pizza Supreme's profit on a particular day is $500, Primo Pizza's profit on the same day is $1000.

Explanation:

In this problem, we are given that the profit of Primo Pizza (represented by the function f(x)) is two times larger than the profit of Pizza Supreme (represented by the function g(x)). This relationship between the two profits can be expressed as f(x) = 2 * g(x). So, if you know the profit of Pizza Supreme on a particular day (g(x)), you can determine the profit of Primo Pizza on that day by doubling the profit of Pizza Supreme.

For instance, if Pizza Supreme's profit 10 days after June 1st is $500 (so, g(10) = $500), then Primo Pizza's profit on the same day would be f(10) = 2 * g(10) = 2 * $500 = $1000. Thus, Primo Pizza is making twice the profit of Pizza Supreme each day.

Learn more about Functions here:

https://brainly.com/question/30721594

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How many solutions does the following equation have?

4(y - 30) = 4y + 12

a. No solutions
b. Exactly one solution
c. Infinitely many solutions

Answers

c because the variable was not stated it's values

I believe that the answer is
a. No solutions

The area of a parallelogram is 400m2 the base is 25m find the length of the height

Answers

HEIGHT=6400 DUE TO THE FACT THAT U ARE MULTIPLYING 400 TWICE, THEN DIVIDING BY 25.

A jug of juice has 7 cups of pineapple juice and 3 cups of orange juice. write the ratio of number of cups of pineapple juice to total number of cups of juice *

Answers

this ratio would be 7:10

Two thirds of the employees at an office stated that they preferred soft cookies over crispy cookies. More than 36 employees stated their preference. Ren was asked to write, solve, and graph an inequality to find the number of employees working at the office. His work is shown below.

Answers

Answer:

Step 3 is wrong, he used the wrong circle

Step-by-step explanation:

Final answer:

To determine the minimum number of employees, solve the inequality 2/3 x > 36 to find x > 54. In Miguel's cookie choice, the events are dependent. According to the law of large numbers, probabilities stabilize as the number of trials increases.

Explanation:

The question involves solving and graphing an inequality to find the minimum number of employees in an office based on their preferences for soft cookies. Since two thirds prefer soft cookies and more than 36 employees stated their preference, we can write this as an inequality where x represents the total number of employees: 2/3 x > 36. To solve for x, we multiply both sides of the inequality by 3/2, giving us x > 54. This tells us that there must be more than 54 employees in the office.

To graph the inequality, we would draw a number line, plot a point just above 54, and shade to the right to indicate all the numbers that are greater than 54. The question of dependent probabilities relates to Miguel's cookie selection where each choice affects the next; the events are not independent. Finally, the law of large numbers indicates that as the number of trials n increases, the experimental probabilities tend to get closer to the theoretical probabilities.

Which matrix will always give a determinant of 0?

Answers

The use of determinants simplifies in a very remarkable way the resolution of systems of linear equations. To this end, general properties are applied that allow for the discussion and resolution of such systems through a rigorous procedure.
In the management of determinants, some properties can be established that facilitate calculation operations. Among those properties we have:
>> The determinant of a matrix with two rows or two equal columns is null.

Answer:
a matrix having two equal rows

Answer:

the answer is D!

Step-by-step explanation:

Suppose that x and y vary inversely and x = 1 when y = 12. Write a function that models the inverse variation. Graph the function and find y when x = 20.

Write a function that models the inverse variation.

Answers

An inverse variation in its generic form can be for example:
y = k / x
We observe that we must find the value of k.
For this, we use the following fact:
"x = 1 when y = 12"
Substituting we have:
12 = k / 1
Therefore k = 12
Thus, the equation is:
y = 12 / x
For x = 20 we have:
y = 12/20
y = 6/10
y = 3/5
y = 0.6
Answer:
when x = 20, and is:
y = 0.6
See attached graph.

the number of squares in 15 quilts if 6 quilts have 288 squares

Answers

[tex]288 \div 6 = 48 \\ 48 \times 15 = 720 \\ [/tex]
720 squares

helppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Answers

What you must do in this case is to find the roots of the polynomial.
We have then:
x ^ 2 + 20x + 100 = 36
Rewriting:
x ^ 2 + 20x + 64 = 0
The values of the roots are:
x1 = -4
x2 = -16
Remember that the values of the roots are what make the polinome zero
Answer:
x1 = -4
x2 = -16

Orlando bought a new couch for 2,736, using the furniture store's finance plan. He will pay $114 a month for 24 months. Which equation can Orlando use to find out how much money he still owes after each month of the plan?

Answers

x: months

y: debts after each month

y = $2736 - $114 * x

I hope this is self-explanatory.

Answer:

[tex]y = 2736 - 114x[/tex]

Step-by-step explanation:

It is given that the cost of the couch was $2,736. Orlando bought that couch using furniture store's finance plan. The plan says that he is supposed to pay $114 per month for a period of 24 months.

we are asked to determine the equation which can determine the total amount still due on orlando after x number of months.

Let the total number of month we are calculating = x

Payment per month = $114

Hence payment made in x months = $114x

Hence payment still owned by Orlando = $2736-$114x

Above equation gives us the dues on Orlando

Need the answer fast, anyone know?

Answers

Y<-1/2x
Y> or = -1
Because if you plug in a number then it's the only one that fits

Samantha has 3 times as many baseball cards as mark. mark has 12 baseball cards. write an equation that shows how many cards samantha has.

Answers

s= 3 x 12
hope this helped :)

need help ive always had trouble with writing functions.

Candy is on sale for $0.75 each. you have a coupon for $0.25 off your total purchase. write a function rule for the cost of n pieces of candy.

A. C(n)0.25n-0.75
B. C(n)=0.75n-0.25
C. C(n)=1.0n
D. C(n)=0.75n

Answers

B. C(n)=0.75n-0.25
n pieces of candy = .75 cents x n pieces minus .25 cent coupon.

Josie had a choice of 3 breads, 4 choices of meat, and 4 choices of cheeses to make a sandwich.
How many different sandwiches can she make?

24

36

48

60

Answers

3*4*4=48
she can make 48 different sandwiches

Answer:

The answer is 48

Step-by-step explanation:

For every different sandwich, she needs to choose one breat, one meat and one cheese.

For each choice of bread, there are 4 choices of meat and 4 choices of cheese. Also, for each meat, there are four choices of cheese. It means that for each bread there are 4(choices of meat)*4(choices of cheeses) = 16 possible combinations.

There are also 3 choices of breads. For each bread, there are 16 possible combinations. So, in all, there are 3*16 = 48 possible combinations.

The radius of a circle is 10 feet. What is the angle measure of an arc 4 feet long?

Answers

The angle measure is 22.9183 deg

Hope this helps u

Mary leaves her house to take a walk. The graph shows the distance, d, in feet from her house that Mary is at any given time, t, in minutes. How many minutes has Mary walked when she reaches the farthest point from her house

Answers

You haven't provided the graph, therefore, I cannot provide you with a specific solution for this question.
However, I will tell you how to solve it and you can apply on the graph you have.

Now, we are given that:
x-axis represents the distance in ft
y-axis represents the time in minutes

To get the time that she has walked when she reaches the farthest point from her house, all you have to do is:
1- go to the greatest point on the x-axis. This point would be representing the farthest distance.
2- get the value of the y corresponding to the x-point you got in step one. This would be the time walked when she reaches the farthest point which is the value you are looking for.

Hope this helps :)

A mother has 5 liters of cream to make ice cream for a party.suger comes in 1kg bags how many suger will be needed

Answers

You need to find the ratio (cream: sugar) in order to know the amount of the sugar.

Which of the following is not a method used to prove triangles congruent?

A) AAS Theorem
B) SSA Postulate
C) SAS Postulate
D) ASA Postulate

Answers

I'm pretty sure SSA postulate doesn't exist

Answer:

B) SSA Postulate

Step-by-step explanation:

Two triangles are congruent if they are of the same shape and size.

Two triangles can be proved congruent by AAS ,SAS ,ASA ,SSS ,HL postulates.

Two triangles are congruent if two angles and one side of both the triangles are congruent that is AAS and ASA postulates.(option A and D)

The triangles can be congruent by SAS that is if two sides and included angle of two triangles are congruent then the triangles are congruent .(Optionc)

Option B that is SSA is not a congruence postulate.

which method is most efficient in solving a system of linear equations when the two equation have x-values with opposite coefficient values

A. GUESS AND CHECK
B. GRAPHING
C. SUBSTITUTION
D. ELIMINATION

Answers

Answer: D) Elimination

For example, consider the system of equations below
2x+3y = 9
-2x+6y = 18
Adding straight down will have the x terms (2x and -2x) add to 0x which is just 0. The x terms will go away. In this case, the 2 and -2 are opposite coefficient values for the x terms.

Simplify by using fractional exponents.
[tex] \sqrt{mn}[/tex]

Answers

The square root sign just means raising the variables inside to [tex] \frac{1}{2} [/tex]. Therefore, to simplify using fractional exponents, the expression will just be [tex](mn)^{ \frac{1}{2}} [/tex] or [tex]m^{ \frac{1}{2}}*n^{ \frac{1}{2}}[/tex].

Answer:
√mn = m^1/2 * n^1/2

Explanation:
1- square root means that the number is raised to the power 1/2.
Therefore:
√mn = (mn)^1/2
2- When we have a bracket containing two numbers multiplied by each other, and the whole bracket is raised to a certain power, then each number within the bracket would be raised to this same power.
This means that:
(mn)^1/2 = m^1/2 * n^1/2

Hope this helps :)

a triangular plot of land has boundary lines 45 meters, 60 meters, and 70 meters long. the 60 meter boundary line runs north-south. Is there a property for the boundary line that runs east-west

Answers

Final answer:

No, there is no property for the boundary line that runs east-west.

Explanation:

No, there is no property for the boundary line that runs east-west. This is because if we have a triangle with side lengths 45 meters, 60 meters, and 70 meters, and the 60 meter side runs north-south, then the other two sides must be at an angle to the north-south line. It is not possible for one of the sides to be parallel to the north-south line (east-west) because that would create a rectangle rather than a triangle.

Other Questions

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