3. Find the area of a semicircle with a diameter of
30 inches.

Answers

Answer 1

Answer:

Answer:

Area of a CIRCLE with radius of 3 inches is

PI * radius^2 =

3.14159265 * 3^2 =

28.27433385  square inches.  

Since we are dealing with a SEMI-CIRCLE, we divide that by 2 and get:

14.137166925  square inches which rounds to about

14.14 square inches

Step-by-step explanation:

Answer 2

Answer: 30pi^2 divided by 2

Explanation:

To find the area of a circle, it is pi x radius ^2

Since it is a semicircle 30 is the radius.

pi x radius ^ 2 = 30pi^2

the area would be 30pi^2 divided by 2


Related Questions

is 12, -15, -18, -21 arithmetic

Answers

The first person might be right

Given the figure below, find the values of x and z.

Answers

Answer:

Value of :x = 12°z = 101°

By using the Vertically Opposite Angles property

79 = 6x + 7 where value we get is x = 12

By using Linear pair property

79 + z = 180 where we get the value of z = 101

help me out and ill give brainliest

Answers

Answer:

C

Step-by-step explanation:

Y= MX (The Slope which is Rise/Run) minus 2 (The Y-Intercept).

How many solutions does 4(−5x+8)= 4(−5x+8) have?

Answers

Answer:

infinity

Step-by-step explanation:

why does the quadratic formula work all the time

Answers

the quadratic formula work all the time because it is suitable for every equation.

PLEASE HELP!! DON'T JUST TAKE POINTS :(
The wingspan of a hawk is the distance from the end of one spread-out wing to the end of the other spread-out wing. A scientist measured the wingspans of a random sample of hawks at a national park. Based on the median wingspan of the sample, the scientist estimates that the median wingspan of all hawks in the national park is 40 inches. Which graph most likely represents the data from the scientist's sample?

Answers

Answer:

I think the most upright answer would be D

Step-by-step explanation:

Billy made 2 gallons of juice for a picnic. He said that he made
2
4
quarts of juice.

Answers

okay so what’s the question

From Monday through​ Friday, works in the on and in the on another . On Saturday and​ Sunday, ​50% of the days. How many days does work in a​ week? What percent of Monday through Friday does ​work?

Answers

Complete question :

From Monday through Friday, James works in the library on 2 days and in the cafeteria on another day. On Saturday and Sunday, James washes cars 50% of the days. How many days does James work in a week? What percent of the days from Monday through Friday does he work?

Answer:

4 days ;

60%

Step-by-step explanation:

From Monday to Friday

Number of days in library = 2

Number of days in cafeteria = 1

50% of days in weekends

Number of weekend days = 2

50% of 2 = 0.5 * 2 = 1 day

Total. Number of days worked = (2 +1 + 1) = 4 days

What percent of the days from Monday through Friday does he work?

Number of days workwd from. Monday to Friday = 3

Total number of days from Monday to Friday = 5

Percentage of days worked from Monday to Friday

= number of days worked / total number of days

= 3 /5 * 100%

= 0.6 * 100%

= 60%

A trapezoid has bases of lengths 38 and 52. Find the trapezoids area if it’s height is 8.

Answers

Answer:

360

Step-by-step explanation:

Find the area of the shape shown below.
3
3
units?

Answers

Answer:

find the answer of the rectangle (7×3=21)

than find the area if one triangle and do 7/2 to get base then multiply 1/2base×height. because there are two triangles add the area to itself then add it to the area of the rectangle. the two triangles shoukd equal 21 together and 21 plus 21 equals 42.

Step-by-step explanation:

im sorry if this is incorrect but it should be right

i need the prosces plis is for tomorrow

Answers

Answer:

p) = 17/30 or 0.56

q) = 191/60 or 3 11/60

A small business owner is determining her profit for one month. Her expenses were $230.21 for utilities, $2,679.82 for rent, and $3,975.00 for employee salaries. She made $11,449.27 in sales for the month. What is her profit?

Answers

She made 9,604.21 sorry if I’m wrong I really tried

Her profit would amount to $4564.24 for one month which is determined by subtracting her total expenses from made revenue.

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

for example 12 -2 = 10

For the month, she made a revenue of $11,449.27.

To calculate her profit, we have to subtract her total expenses from made revenue.

Her expenses were $230.21 for utilities, $2,679.82 for rent, and $3,975.00 for employee salaries which are given in the question.

Total expenses = 230.21 + 2,679.82 + 3,975.00 = 6885.03

As per the given data, the solution would be:

⇒ Total revenue - Total expenses

⇒ 11,449.27 - 11,449.27

Apply the subtraction operation, and we get

⇒ 4564.24

Therefore, her profit would amount to $4564.24 for one month.

Learn more about Arithmetic operations here:

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please helpppp which function h(x) results when g(x) is translated 7pi/8 units right and one unit down????

Answers

Answer:

The second option

Step-by-step explanation:

the square root of 279 lies between what two whole nunbers

Answers

Answer:

Step-by-step explanation:

The square root of 16 and the square root of 17

Answer:

29 and 34

Step-by-step explanation:

cause

Find the volume of a right circular cone that has a height of 9.7 ft and a base with a
radius of 7.6 ft. Round your answer to the nearest tenth of a cubic foot.

Answers

Height =9.7ft

Radius=7.6 feet

Volume of a cone =pai r2 h/3 =3.14×57.76×9.7÷3 =586.4103(roundoff)

=586ft

1. find the surface area 3 ft 4 ft 10 ft Your answer​

Answers

Answer:

Surface area is 164 ft^2.

Step-by-step explanation:

2(10*4) + 2(10*3) + 2(4*3) = 164 ft^2

Find the volume of an oblique circular cylinder that has a radius of five feet and a height

of three feet

Answers

Answer:

235.5 cubic feet

Step-by-step explanation:

The volume v of a circular cylinder whose base radius is r and height h is given as

v = πr^2h

where π is 22/7 or 3.14

Given that the radius is five feet and the height  is three feet

the volume v = 3.14 *5^2 * 3

= 235.5 cubic feet

The volume of the oblique circular cylinder is 235.5 cubic feet

Sams gym charges a one time fee of $60 plus $32 per Session for a personal trainer. the new gym in town a membership fee of $350 plus $20 for each session with a trainer. which inequality would be used to determine X the number of sessions with a personal trainer where is the new gym is the better deal?

Answers

Answer: i think $35

Step-by-step explanation: have a great day

Bart designed a logo using circles of different sizes. The diameters of three of the circles are

shown. Which measurement is closest to the area of the largest circle in square centimeters?

A 20.7 cm2

B 136.8 cm2

C 34.2 cm2

D 65.1 cm

Answers

Answer:

B 136.8 cm²

Step-by-step explanation:

Add the diameters of the three smaller circles to find the diameter of the largest circle.

D = 3 cm + 2.5 cm + 1.1 cm = 6.6 cm

area = πr²

area = 3.14 × (6.6 cm)²

area = 136.8 cm²

match each hypotenuse with the leg that will create a right
triangle ​

Answers

Answer:

Where is the question so that I can help you with it

Please help me with this

Answers

Answer:

x = -2

Step-by-step explanation:

y = -4

2x -3y = 8

Substitute the first equation into the second equation

2x - 3(-4) = 8

2x +12 = 8

Subtract 12 from each side

2x+12-12 = 8-12

2x = -4

Divide by 2

2x/2 = -4/2

x = -2

help me please lol I will report if you troll​

Answers

Y = mx + b
m = slope, b = y intercept
Plug in the values

Solution: y = -2x + 3

Ariana has 99 oranges. She has to pack 9 boxes with an equal number of oranges. How many oranges should she pack in each​ box?

Answers

Answer:

11 oranges in each box

Step-by-step explanation:

99/9=11

Answer: 11 oranges in each box.

Step-by-step explanation:

Division is used to evenly separate totals into groups (total/#of groups= Quotient per group).

In this case, we divide the total, 99 oranges, by the amount of groups we want, which is 9 boxes, in order to find an even amount for each box from the total oranges.

So, 99/9= 11 oranges per box

What ordered pair represents the y-intercept for the function y=2^x

Answers

Answer:

(0, 1)

Step-by-step explanation:

[tex]y = {2}^{x} \\ \\ plug \: x = 0 \\ \\ y = {2}^{0} \\ \\ y = 1 \\ \\ (x, \: \: y) = (0, \: \: 1)[/tex]

A vendor purchase 8 dozen teacups to sell. She packed them into boxes of 4 and each and sold each box for$60. Calculate the amount of the money she earned from the sale of all the teapcups?​

Answers

Answer: $1440

Step-by-step explanation:

So if we have 8 dozens that is 8*12=96 teacups

boxes of 4 means 96/4= 24 boxes in total with 4 teacups in each

Since she is being paid 60$ for each of the 24 boxes she makes exactly $1440

Please don't go around not answering others questions. We are all trying to pay it forward and help each other :)

What value of n makes the
equation n x 3/4= 3/16 true

Answers

Answer:

1/4

Step-by-step explanation:

Try it if you don't believe me :)

The solution of the linear equation n x (3/4) = 3/16 will be 1/4.

What is the solution to the equation?

In other words, the collection of all feasible values for the parameters that satisfy the specified mathematical equation is the convenient storage of the bunch of equations.

The equation is given below.

n x (3/4) = 3/16

The degree of the equation is one. Then the equation will be a linear equation.

Simplify the equation, then the value of the variable 'n' is calculated as,

n x (3/4) = 3/16

n = (3/16) x (4/3)

n = 4/16

n = 1/4

The solution of the linear equation n x (3/4) = 3/16 will be 1/4.

More about the solution of the equation link is given below.

https://brainly.com/question/22613204

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helpppppppp will b marked brainliest!!!!!!!!!! Which system of equations is represented in the graph?
a. y= -2 x-2y=6
b. y= -2 x+2y=6
c. y= -2 2x-y= 3
d. y= -2 2x+y= -3

Answers

Answer: d. y= -2 2x+y= -3

Step-by-step explanation: Hope this help :D

3-6 x (34 divided by 30)2

Answers

Answer:

3-6

Step-by-step explanation:

The expression 3⁻⁶ × (3⁴ ÷ 3⁰)² value is 9 which is 3².

To simplify the given expression: 3⁻⁶ × (3⁴ ÷ 3⁰)², let's break it down step by step:

First, let's simplify the exponent expressions within the parentheses:

3⁴ = 81 (because 3⁴ = 3 × 3 × 3 × 3 = 81)

3⁰ = 1 (because any number raised to the power of 0 is 1)

Now, we can rewrite the expression with the simplified exponents:

3⁻⁶ × (81 ÷ 1)²

Next, simplify the division within the parentheses:

81 ÷ 1 = 81

Now, the expression becomes:

3⁻⁶ × 81²

Simplify the exponent:

81² = 6561 (because 81 × 81 = 6561)

Now, the expression becomes:

3⁻⁶ × 6561

1/729 × 6561

6561/729

dividing both the numerator and the denominator by their greatest common divisor (GCD), which is 9:

729/81

We get 9 which is equal to 3².

To learn more on Expressions click:

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A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few years. Write an equation representing the relationship, where x is time in years, and y is the number of songs available.​

Answers

Answer: y = (3^(x-1))*1500

Step-by-step explanation:

We want the relationship

y = f(x)

where y is the number of songs, and x is the number of years.

We know that in the first year, x = 1, the site has 1,500 songs.

The next year, x = 2, the number of songs is tripled, then we will have:

1,500*3 = 4500 songs.

The next year, x = 3, we will have: 3*(3*1500) = (3^2)*1500.

when x = 4, the number is tripled again:

3*(3^2)*1500 = (3^3)*1500

We already can see the pattern, for the year x, the site will have:

y = (3^(x-1))*1500 songs.

This is the equation we are looking for.

46 people are going to the beach. Nine people can ride in each van. How many vans are needed?

Answers

Answer:

6

Step-by-step explanation:

No. of people going to beach = 46 .

Using Unitary Method ,

9 people can go in one van .

1 person can go in 1/9

46 people can go in 1/9 * 46 = 5.1

Since vans can't be in fraction , 1 extra van for 1 person is need that is for 46th person .

So total number of vans = 5 + 1 = 6

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