The circle has a diameter of 9 inches what is the circumference rounded to the nearest whole number

Answers

Answer 1

Answer:

28

Step-by-step explanation:

Circumference = 2*pi*r

r = 1/2*diameter = 4.5

pi = 3.14

Circumference = 2*(3.14)*(4.5) = 28.26 = 28


Related Questions

5x-7≥8
This is a 2-step inequality: solve for x
your work by listing each step of the
process.

Answers

Answer:

x≥3

Step-by-step explanation:

Let's solve your inequality step-by-step. 5x−7≥8

Step 1: Add 7 to both sides.

5x−7+7≥8+7

= 5x≥15

Step 2: Divide both sides by 5.

5x/5≥15/5

= x≥3

The first graph represent a=450-20t, which describes the relationship between gallons of water in tank and time in minutes. a. Where on the graph can we see 450? Where can we see the -20? b. What do these numbers mean in this situation?

Answers

Answer:450 is the intercept. We see it when t=0 (where the line cross the y axis). -20 is the slope

Step-by-step explanation: y = 20 is a thing no one would ever solve for but to do it, 20=450-20t -> y =20 when t=(20-450)/20. I don’t know why anyone would ever need to find this value

Sital says that 2.5cm³ is the same as 25mm³. Is she right?​

Answers

Sital is right
This is because there are 10mm in a cm so therefore you would times 2.5cm by 10 to get 25mm

Answer:

Sital is right

Step-by-step explanation:

This is because there are 10mm in a cm so therefore you would times 2.5cm by 10 to get 25mm

Which of these graphs represents a function?
5NW&S
4
1
43-2-1₁ 1 2 3 4 5
-2
-3
-4
-5
W.
N.
1
-5-4-3-2-1 1 2 3 4 5
JANM
-5
-2
Y.
A
X
२४
-3-2-
>

4
3
1
-5-4-3-2-1 1 2 3 4
-2
-3
-4
-5
>
X.
V
5
4
-2
-3
-4
5
Z.
HE

+X
1 2 3 4 5

Answers

Answer: W

Step-by-step explanation:

The graph must pass the vertical line test.

I need help on this pleas,what is 9 ÷ 1/5

Answers

Answer:

45

Step-by-step explanation:

Flip the fraction, 1/5 to 5/1, and reverse the equation to a multiplication problem.

[tex]1/5 \rightarrow 5/1\\9 \cdot 5/1 = 45[/tex]

Let me know if you have questions or concerns.

Ezra has a square brick patio. he wants to reduce the width by 6 feet and
increase the length by 6 feet.
6 ft
6 ft
6 ft
6 ft
let x represent the length of one side of the square patio. write expressions
for the length and width of the new patio. then find the area of the new patio
if the original patio measures 13 feet by 13 feet.

Answers

The area of the new patio if the original patio measures 13 feet by 13 feet is 133 ft².

Ezra has a square brick patio. he wants to reduce the width by 6 feet and

increase the length by 6 feet.

What is the area of the square?

The area of the square is the measure of the space occupied by it. It is equal to the product of the measure of its two sides.

We need to write the expression for the new patio and the area of the new patio if the original patio measures 13 feet by 13 feet.

let x be the measure of the side of a square.

The length increased by 6 ft, so the new length=x+6.

The width decreased by 6 ft, so the new width=x-6.

The area is the product of length and width, so the new area is

l×w = (x+6)×(x-6)

Since the original side is 13 ft, the new length is 13+6 = 19 ft, and the new width is 13-6=7 ft.

So, the area is (19 ft)×(7 ft) = 133 ft²

Hence, the area of the new patio if the original patio measures 13 feet by 13 feet is 133 ft².

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Sean spends 35 minutes revising for his exam. Erica spends 1 hours 15 minutes revising for her exam. Work out the total time, in minutes, spent revising by Sean and Erica. please help ASAP​

Answers

The total time spent in minutes is 110 minutes

How to determine the total time?

The given parameters are:

Erica = 1 hour, 15 minutesSean = 35 minutes

The total time is calculated as:

Total = Erica + Sean

So, we have:

Total = 1 hour, 15 minutes + 35 minutes

1 hour = 60 minutes

So, we have:

Total = 60 minutes + 15 minutes + 35 minutes

Evaluate the sum

Total = 110 minutes

Hence, the total time spent is 110 minutes

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Apply the 45º-45º-90º Triangle Theorem to find the length of the hypotenuse of the triangle.

Answers

Answer:

  The sine of the angle = the length of the opposite side. the length of the hypotenuse.

  The cosine of the angle = the length of the adjacent side. the length of the hypotenuse.

  The tangent of the angle = the length of the opposite side. the length of the adjacent side.

Step-by-step explanation:

Answer:

c = a√2

Step-by-step explanation:

Apply the 45º-45º-90º Triangle Theorem to find the length of the hypotenuse of the triangle.

since there is no measure, I will write you the formula:

c (hypotenuse) = a√2

f(x)=x^2+2x-5
g(x)=2x+4
what is (f•g)(x)

Answers

The product of the functions is  2x³ + 8x² - 2x - 20. Then the correct option is C.

What is a function?

A function is a statement, rule, or law that establishes the connection between two variables. In mathematics, functions are everywhere and are necessary for constructing physical connections.

The functions are given below.

f(x) = x² + 2x - 5

g(x) = 2x + 4

Then the product of the functions will be given as

(f•g)(x) = f(x) × g(x)

(f•g)(x) = (x² + 2x - 5) × (2x + 4)

(f•g)(x) = 2x³ + 8x² - 2x - 20

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A right triangle has a hypotenuse of 14 inches and another side that is 12 inches. What is the length of the missing side of the triangle?

Answers

Answer:

7.2111

Step-by-step explanation:

14 squared times 12 squared= squareroot ofmissing angle

To sell 300 notebooks and 120 pens quickly, a store decided to create two types of gift sets. one set is to include 2 notebooks and 1 pen, and the other will consist of 1 pen and 3 notebooks. the first set will be sold for $8, while the second will be sold for $11.50. it is unprofitable to sell more than 20 of any gift set. how many gift sets of each type must the store sell to obtain the biggest possible income?

Answers

The store must sell 60 of each set each to obtain the biggest possible income

How to determine the number of each gift set?

The given parameters can be represented using the following table:

                        Set 1        Set 2     Available

Notebook         2                3         300

Pen                   1                  1          120

Selling price     8               11.5

Using the above data values, we have:

Objective function: Max P = 8x + 11.5y

Subject to:

2x + 3y ≤ 300

x + y ≤ 120

Next, we plot the graph of the above inequalities (see attachment)

From the attached graph, we have:

(x,y) = (60,60)

Hence, the store must sell 60 of each set each to obtain the biggest possible income


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I need help asap please? and this is for math? what is the missing angle of the triangle? the 2 angles are 55 and 90!!

Answers

Answer:

the missing angle of the triangle is 35

Step-by-step explanation:

180-90= 90-55= 35

Answer:

i agree with losesight57

Step-by-step explanation:

Which value of y forms the solution of the systems defined by y=11x+1 and 11x+12y=12

A. 1

B. 1/13

C. 11

D. 11/13

Answers

Answer:

b because it can't be full number

What type of Symmetry

Answers

Answer:

Line Symmetry, Horizontal and Vertical Lines, 90 and 180 degrees

Step-by-step explanation:

It is line symmetry because you can fold the H, and it would overlap perfectly.

Horizontal and vertical lines because if you were to place a line in the middle both horizontally and vertically it would overlap.

90 and 180 degrees because the H would still have have symmetry if you flipped it on its side or upside down.

A timer is started and a few moments later a model airplane is launched from the ground. Its height (in feet) as a function of time (in seconds after the timer was started) is given by the equation h(t)=−(t−10)2+95. Which of the following statements is true?


The airplane reaches its maximum height of 10 feet in 95 seconds.

The airplane reaches its maximum height of 95 feet in 10 seconds.

The airplane reaches its minimum height of 95 feet in 10 seconds.

The airplane reaches its minimum height of 10 feet in 95 seconds.

Answers

Considering the given quadratic function, the correct statement is given by:

The airplane reaches its maximum height of 95 feet in 10 seconds.

What is the equation of a parabola given it’s vertex?

The equation of a quadratic function, of vertex (h,k), is given by:

y = a(x - h)² + k

In which a is the leading coefficient. If a > 0, the vertex is a minimum point, and if a < 0 it is a maximum point.

In this problem, the function is:

h(t) = -(t - 10)² + 95.

Hence the vertex is (10, 95), and since a < 0, the correct statement is given by:

The airplane reaches its maximum height of 95 feet in 10 seconds.

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Garden a and garden b are two rectangular gardens that are each surrounded by 120 feet of fencing. garden a has one side length of 25 feet and garden b has one side length of 50 feet. which garden has the largest area? show all of your work.

Answers

The garden with the largest area is garden b with an area of 6000 feet squares

What is the area of a rectangle?

The area of a rectangle is simply known as the number of unit squares that can fit into the rectangle.

The formula for calculating the area of a rectangle is written thus;

Area of a Rectangle = (Length × Breadth)

How to determine the area

Using the formula:

Area of a Rectangle = (Length × Breadth)

For garden a;

Length = 25 feet

Breadth = 120 feet

Substitute the values into the formula

Area of garden a = 25 × 120 = 3000 feet squares

For garden b;

Length = 50 feet

Breadth = 120 feet

Substitute the values into the formula

Area of garden b = 50 × 120 = 6000 feet squares

Therefore, the garden with the largest area is garden b with an area of 6000 feet squares.

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can someone help me with theses answers and a explanation

Answers

The arrangement of the numbers in the ascending order will be 11, 13, and 17.

The complete question is given below.

What is Algebra?

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

Ali picked a three number from a hat.

The lowest number was 11.

The range was 13.

The median was 17.

The arrangement of the numbers in the ascending order. Then we have,

11, 13, and 17.

The arrangement of the numbers in the ascending order will be 11, 13, and 17.

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help me please these dot plots show hourly earnings for a sample of workers in two different
careers
career a
0
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
career b
0
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
hourly eamings (5)
what are the differences between the centers and spreads of these earning
distributions?
select two choices: one for the centers and one for the spreads
a. spreads: the hourly earnings for career b are more spread out
b. spreads: the hourly earnings for career a are more spread out.
c. centers career bhas greater median hourly earnings than career
d. centers: career a has greater median hourly earnings than career

Answers

The hourly earnings for career a are more spread out.

Career a has greater median hourly earnings than career.

What is the spread and median of the data plots?

Median is the number at the center of the dataset that is arranged either in ascending order or descending order.

The median of career A is 60.

The median of career b is 40

Spread refers to the range of the dataset. Career A has a greater range than career B.

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Find the value of y in the solution to the system of equations shown.
3y = 18x + 6
y = 2x + 14

A. y = 3
B. y = 4
C. y = 20
D. y = 26

Answers

3y=18x+6

Divide by 3

y=6x+2--(1)y=2x+14--(2)

Equating

6x+2=2x+144x=12x=3

Now

y=6(3)+2y=18+2y=20

C

Answer:

C.  y = 20

Step-by-step explanation:

Given system of equations:

[tex]\begin{cases}3y = 18x + 6\\y = 2x + 14\end{cases}[/tex]

Multiply the second equation by 3:

[tex]\implies (3)y=(3)2x+(3)14[/tex]

[tex]\implies 3y=6x+42[/tex]

Subtract this from the first equation to eliminate 3y:

[tex]\begin{array}{r l}3y & = 18x+6\\-\quad3y&=6x+42\\\cline{1-2}0&=12x-36\end{array}[/tex]

Solve the resulting equation for x:

[tex]\implies 12x-36=0[/tex]

[tex]\implies 12x=36[/tex]

[tex]\implies x=3[/tex]

Substitute the found value of x into the original second equation and solve for y:

[tex]\implies y=2(3)+14[/tex]

[tex]\implies y=6+14[/tex]

[tex]\implies y=20[/tex]


What is the inverse of the function f(x) = 2x + 1?

Answers

Answer:

:) The Inverse of the Function f(x) = 2x + 1 is f-1(x) = x/2 - 1/2.

Step-by-step explanation:

mark me brainlist^_^

Mathematics
height=1cm,base=√5cm.what is the area of isosceles triangle?

Answers

Step-by-step explanation:

what is the formula for the area of a triangle ? hmm ?

area = baseline × height / 2

in our case (it does not matter for this question, if it is an isoceles triangle or not, the formula applies to all)

area = sqrt(5) × 1 / 2 = sqrt(5)/2 cm² = 1.118033989... cm²

Answer:

[tex]\huge\boxed{\sf Area = 1.12 \ cm^2}[/tex]

Step-by-step explanation:

Given data:

Height = h = 1 cm

Base = b = √5 cm

Required:

Area = A = ?

Formula:

[tex]\displaystyle Area = \frac{1}{2}(b)(h)[/tex]

Solution:

[tex]\displaystyle Area = \frac{1}{2} (\sqrt{5} )(1)\\\\Area = \frac{\sqrt{5} }{2} \\\\Area = 1.12 \ cm^2\\\\\rule[225]{225}{2}[/tex]

Two random samples were taken to determine how often people in a community listen to the local radio station each month.

The first sample surveyed 15 people as they exited the bank on Main Street. The first sample found that the mean number of hours they listened to the radio each month was 20.

The second sample surveyed every sixth person as they exited the only local grocery store until 100 people were surveyed. The second sample found that the mean number of hours they listened to the radio each month was 12.

Which statements are true? Check all that apply.

Answers

The true statements about the sample include:

The second sample is random.The second sample is likely to be more representative of the population.The second sample will give a better representation because is it larger.Community members are more likely to listen to the radio station an average of 12 hours a month than 20 hours a month.

What is a sample?

Sampling is the selection of a subset of individuals from within a statistical population to estimate the characteristics of the whole population.

The second sample is random because in the second sample, people were surveyed at random. Every sixth person that exited the grocery store was surveyed and this selection represents an unbiased sampling method of the general population.

The options include:

Which statements are true? Check all that apply.

A) The second sample is random.

B) The second sample is likely to be more representative of the population.

C) The first sample is likely to be more representative of the population.

D) The second sample will give a better representation because is it larger.

E) The first sample will give a better representation because it is smaller.

F) Community members are more likely to listen to the radio station an average of 12 hours a month than 20 hours a month.

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A summer job as a life guard at lincoln pool pays 9.50 per hour how much willl you earn for working 6 hours

Answers

57

Step-by-step explanation:

$ 9.50 -> 1 hr

? -> 6 hrs

9.50(6) = $ 57

The only thang i need help is area and for question 7. 8. and 9. no bots ONLY THE AREA

Answers

The area of the triangle based on the information given is 16.67 inches ²

How to calculate the triangle?

It should be noted that the area of a triangle is given by the formula:

= 1/2 × base × height

In this second figure, the height will be:

= 5.9² - (3.4/2)²

= 5.9² - 1.7²

= 34.81 - 2.89

= 5.65

The area will be:

= 1/2 × base × height

= 1/2 × 5.65 × 5.9

= 16.67 inches ²

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The domain of a function f(x) is x > 1, and the range is y< 2. what are the
domain and range of its inverse function, f '(a)?
o a. domain: * > - 2
range: y si
o
b. domain: x < -2
range: y > 1
c. domain: x > 1
range: y < -2
o d. domain: x = 1
range: y > -2
submit

Answers

Answer: Domain: x<-2 Range: y>1

Step-by-step explanation:

I don't know for sure but I am taking the test and that was the outcome of the answer.

6.75 into a mixed number

Answers

Answer:

6 3/4

Step-by-step explanation:

Answer:

6 3/4

Explanation:

0.75 is the result of dividing 3 by 4, which is the previous point but inversed.

a) At what percent rate of compound interest per annum will the compound interest on Rs 1,25,000 be Rs 91,000 in 3 years?​

Answers

The rate of compounding on the investment is 20%.

What is the rate of compounding?
When an amount compounds annually, it means that both the amount invested and the interest accrued increases in value once a year.

The formula that can be used to determine the rate of compounding is: (FV / PV)^(1 /n)

Where:

FV = future value = 125,000 + 91,000 = 216,000PV = present value = 125000n = number of years - 3

(216,000 / 125000)^ (1 / 3) - 1 = 20%

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A family of 4 gets 505 text messages per month. Which of the following best describes the most even way these texts can be divided?

2 family members get 124 text messages each
2 family members get 125 text messages each

2 family members get 126 text messages each
2 family members get 125 text messages each

3 family members get 126 text messages each
1 family member gets 127 text messages

3 family members get 125 text messages each
1 family member gets 126 text messages

Answers

Answer:

3 family members get 126 text messages each

1 family member gets 127 text messages

Step-by-step explanation:

If you were finding the exact division of texts, 505 texts / 4 people, you would end up with 126.25 texts.

However, you can't get 0.25 of a text. If we take back each family member's 0.25 text, they will all be left with 126 texts (with an extra text leftover)

This extra text is considered the "remainder", meaning the amount left over when a number is divided [when it doesn't go into the larger number evenly]. The only importance/relevancy of a remainder is when a value cannot be split, such as a dog or a text.

So, we can give each family member 126 texts, and then we can give one family member an additional text, so that all texts are distributed.

This means that 3 family members get 126 texts, and 1 family member gets 127 texts

hope this helps!!

Find the coordinates of P so that P partitions segment AB in the part-to-whole ratio of 1 to 5 with A(-9, 3) and B(1, 8). Explain.

Find point Z that partitions the directed line segment XY in the ratio of 2:1 where X(1, 2) and Y(7, 5). Explain.

Answers

For both problems, we can use the section formula.

1) [tex]P=\left(\frac{(1)(1)+(5)(-9)}{6}, \frac{(1)(8)+(5)(3)}{6} \right)=\boxed{\left(-\frac{22}{3}, \frac{23}{6} \right)}[/tex]

2) [tex]Z=\left(\frac{(2)(7)+(1)(1)}{3}, \frac{((2)(5)+(1)(2)}{3} \right)=\boxed{(5, 4)}[/tex]

What is the equation of the linear function represented by the table?

Answers

The answer is y= -x + 9.
Other Questions
Form the past tense of this verb to arrive ASAP PLS 100 POINTS Which statement best describes the role of oxygen in cellular respiration?A. Oxygen molecules are a waste product of electron flow.OB. Oxygen molecules form as ATP molecules are made.OC. Oxygen molecules form as sugar molecules are broken down.OD. Oxygen molecules are used to make water molecules. Two socks are selected at random from a draw of loose socks- there are 4 green socks and 6 yellow socksWhat is the probability that two of the socks will both be green if the socks are drawn without replacement What is the mean, median, and mode for this set of data:24, 20, 26, 24, 21? please help me quickly Write a paragraph that names an internal or external conflict from Eleven and describes what type of conflict it is (person v. self, person v. nature, person v. society, or person v. person). Within your paragraph, provide a claim, evidence, and reasoning.To score an A (90-100%) on this assignment, complete all 5 components on the list below.Full and detailed paragraphInclude evidence that is 100% quoted or 100% paraphrasedInclude reasoning (commentary) that explains why you chose the evidence you did.Includes few/no editing errorsIdentifies the type of conflictTo score a B (80-89%), complete 4 components on the list above.To score a C (70-79%), complete 3 components on the list above.PLS HELLP The national anthems of which two countries were written by the same poet?. complete each sentence with an aprropriate adjetive 1- Maritza is a _______________________ woman2 -This tree has ______________________leaves 3- where is my ____________________ bine?4- the dog has a _____________ nose5- william is __________ man6- my friends are_____________7- I am an _____________ student ES URGENTE, POR FAVOR AYUDENME, SE LOS AGRADECERIA ES URGENTE!!!!!!!!!!!!!!!!!! A bike with tires of radius 0.330 m speeds up from rest to 5.33 m/s in 6.27 s. What is the angular acceleration of the tires? What is the question tag for You came late Read the sentence taken from an argumentative essay on space exploration. Space exploration would cost a ton of money, but I would probably learn a lot of new things, so its probably worth it. Which of the following is the best revision of this sentence? Space exploration might not be the best use of money, but I think it would be really cool. Space exploration probably isnt worth the high price, but who knows what well find out there. Space exploration is quite pricey and dangerous, but it is also very interesting. Space exploration is extremely expensive, but the knowledge gained is worth the price. Find the LCM of 3, 7, 10 6 Similarities between Greece & Rome & United States Read the paragraph.The Flag Day program was scheduled to take place on the playgrounds blacktop. The chorus and the band had practiced patriotic songs, and the band was ready to march. The American flag was flying by the podium as the time for the program approached. Then without warning, the sky darkened and rain began to fall. Students proceeding toward the playground stopped and listened to the thunder and rain. Within minutes, an announcement came over the loudspeaker.What problem is explained in the paragraph?A.the patriotic songsB.the preparationC.the rainstormD.the announcement Under what circumstances can the general trend to disorder in the universe be reversed? Please helpWhich equation represents a line with an undefined slope? How does a piano create sound? With a stick hitting a metal surface With a reed that causes air to vibrate By rubbing a bow across a string By striking strings with hammers In the late 1800s, which of the following did the peoples party believe would give the people more political power? What would you most likely find in the strait of gibraltar? a) a delta b) a canal c) a bridge d) a ship (please answer fast!) In photography, a __________ aperture is well-suited for action photographs. a. large c. slow b. fast d. small