What is the circumference of a circle with a diameter of 9 inches? (use 22/7 for pi)

28 in.
24 in.
30 in.
27 in.

Answers

Answer 1

Answer:

28 inches

Step-by-step explanation:

The circumference is given by

C = pi *d

C = 22/7 ( 9)

C =198/7

    =28.28571429 inches


Related Questions

please help me points and brainliest

Answers

Answer:

1/2

D

Step-by-step explanation:

slope = [tex]\frac{rise}{run}[/tex] = [tex]\frac{2}{4}[/tex] = [tex]\frac{1}{2}[/tex]

[tex]\frac{2}{4}[/tex] = [tex]\frac{3}{6}[/tex]  Same ratio. Both reduce to [tex]\frac{1}{2}[/tex]

Part A: The area of a square is (9x2 − 12x + 4) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work. (5 points)

Part B: The area of a rectangle is (25x2 − 16y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. (5 points)

Answers

Answer:

A. (3x-2)^2

B. 5x-4y

5x=4y

Step-by-step explanation:

Nina has 465 pennies in a jar. Daryl has 348 pennies in a jar. How many pennies do they have in all?

Answers

Answer:

813

Step-by-step explanation:

you add them together

Decide whether each statement is true or false.

You are less likely to roll a 3 than a 4 on a die.
True
False


(I'm not good with probability..)

Answers

Answer: False

Both have equal probability
Please mark brainliest

Which of these is the lowest unit price for apples? $8.00 per 10-pound bag $21.40 per 3-pound bag $4.10 per 5-pound bag $.79 per pound Click on the correct answer.​

Answers

Answer:

.79 cents a pound is the lowest unit price for apples

Step-by-step explanation:

Find value of x 4(x+6)° (5x+11)°

Answers

Value of x = 13°

Hope it helps you...

Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:

Answers

Answer:

3:2

Explanation:

Let's call the trains A and B

Train A moves from Howrah to Patna in 9 hours

Train B moves from Patna to Howrah in 16 hours

Assuming it takes 30 miles to OR from each destination,

Then train A travels 30 miles in 9 hours

Train B travels 30 miles in 16 hours

Train A's speed is 30/9= 3.33 miles per hour

Train B's speed is 30/16= 1.88 miles per hour

Ratio of their speeds(approximately,train A to train B)= 3:2

Line p passes through (8, -6) and is perpendicular to the line 2x + y = -7. The slope of line p is ...

Answers

Answer:

Y=1/2-10

Step-by-step explanation:

M=1/2 perpendicular

M1*M2=-1

12
Peter was thinking of a number. Peter halves the number and gets an answer of 25.5. Form an
equation with x from the information,

Answers

Answer:

[tex]\dfrac{x}{2}=25.5[/tex]

Step-by-step explanation:

Let the number be x.

Peter halves the number and gets an answer of 25.5.

It means,

Half of x equals 25.5. So,

[tex]\dfrac{1}{2}x=25.5[/tex]

or

[tex]\dfrac{x}{2}=25.5[/tex]

Hence, the required equation is [tex]\dfrac{x}{2}=25.5[/tex].

Sarah buys a car for £23,000.
It depreciates at a rate of 3% per year.
How many years will it take to be worth less than £20,000?

Answers

Answer:

4.61 years

Step-by-step explanation:

hope it helped!

what is 2+a, when a is 17?

Answers

Answer:

19

Step-by-step explanation:

If a=17, then:

2 + 17 = 19

---------------------------------------------------------------------------------------------------------------

Have a great summer :)

the answer is 19 because
substitute a for 17
17+2= 19

En una granja hay 26 corrales con una capacidad para 68 gallinas cada uno. Sí cada gallina pone un huevo cada día ¿cuántos huevos recolectan en una semana (7 días )?

Answers

Answer:

12376 huevos

Step-by-step explanation:

Son 68 gallinas en 26 corrales por tanta se multiplicaría

26 x 68=1768 estas serian el total de las gallinas en todos los corrales, aparte te dicen que cada pone un huevo al día, entonces como te piden cuantos huevos serán en 7 días sería:

1768 x 7= 12376

1768= a los huevos de cada gallina en un día ya que te dice que cada una pone un huevo en cada día.

NEED ANSWER(s)!!! THANK YOU!!!

Answers

Answer: A. Sea otter (5 meters below sea level) Fish(1 meter below sea level) and Bird (4 meters above sea level)

B. Fish is closest to sea level by only 1 meter, Bird is 4 meters above sea level, so it would be second, and Sea Otter is the farthest from Sea level because it is 5 meters under sea level

Step-by-step explanation: that is my explanation, and to explain what i said, 0 is sea-level

The point (3,-7) lies on a circle and the center of the circle is at (-2,-7). What is the equation of this circle

Answers

Step-by-step explanation:

the answer is in the above image

Which could be the resulting equation when elimination is used to solve the given system of equations ?

Answers

Answer:

10·b = 60

Step-by-step explanation:

The given system of equation is presented as follows;

5·a + 5·b = 25...(1)

-5·a + 5·b = 35...(2)

Given that the coefficient of a in equation (1) is equal in magnitude but opposite in sign to the coefficient of 'a' in equation (2), to eliminate the variable 'a' when using the elimination method, we add both equations as follows;

5·a + 5·b + (-5·a + 5·b) = 25 + 35 = 60

5·a - 5·a + 5·b + 5·b = 60

5·a - 5·a = 0

5·b + 5·b = 10·b

∴ 5·a - 5·a + 5·b + 5·b = 60 = 0 + 10·b = 10·b

∴ 10·b = 60

Calixto travels by train to a meeting in Barcelona. Barcelona is 270 km from where he lives.He catches the train at 9:45 a.m. The traintravels at anaverage speed of 120 km/hr.What time will the train arrive in Barcelona?


What time will the train arrive in Barcelona?

Answers

Answer: 12:00 pm or 1200hrs

Step-by-step explanation:

Time = distance/speed

270/120 = 2h 15min

= 2h 15min

There are only red counters, blue counters and purple counters in a bag.

The ratio of the number of red counters to the number of blue counters is 3 : 17

Sam takes at random a counter from the bag.

The probability that the
counter is purple is 0.2

Work out the probability that Sam takes a red counter.

Answers

Answer:

0.15

Step-by-step explanation:

R:B:P

3:17:4

20x0.2=4

0.2/4=0.05

P(R)= 0.05x3

P(R)=0.15

What is the image of (3,-5) after a dilation by a scale factor of 55 centered at the origin?

Answers

Answer:

7.789

Step-by-step explanation:

i got it right and

John is twice as old as Mary. The sum of thelr ages is 21. How old Is Mary?

Answers

Answer:   7 years

Step-by-step explanation:

let x be the age of Mary

so John's age will be 2x

the equation becomes

2x+x=21

3x=21

x=21/3

x=7

Answer:

Step-by-step explanation:

Let Mary's age = x years

John's age = 2 * x = 2x

The sum of their ages = 21

x + 2x = 21

3x = 21

Divide both sides by 3

x = 21/3

x = 7

Mary's age = 7 years

give me one secondddd..

Answers

Answer:

mark me as a brainleast

Step-by-step explanation:

iam not undeerstand on your qiestion write it beautiful words

if (P-3) is the largest of for odd number then the smallest is
A p-11
B p-9
C. p+3
D. p+5

Answers

ensalada no son vulgares

There are 5 red marbles, 15 blue marbles, and 5 green marbles in a bag.If you reach in and randomly draw two marbles without replacing the first, what is the probability that both will be blue.​

Answers

Answer:

3/5

Step-by-step explanation:

Total number of marbles = 5 + 15 + 5 = 25

Number of blue marbles = 15

Probability of blue marbles:

= 15/25

=3/5

Hope it helps......

Change to vertex form
1) f(x) = x² - 4x + 4
2) f(x) = -x ² + 8x-16
3) f(x) = 2x ²-x+3
4)f(x)=2x ²-3x-1 ​

Answers

Answer:

- y = 7 is a line which is-(A) Parallel to y-axis (B) Parallel to x-axis (C) Passing through (7, 7) (D) Passing through origin

In the diagram below of triangle MNO, P is the midpoint of MO and Q is the midpoint of NO. If PQ = 5x + 62, and MN = 6x-4, what is the measure of PQ?

Answers

Answer:

29

Step-by-step explanation:

There is a triangle embedded in triangle MNO, which is triangle PQO, and these are similar triangles in that their corresponding sides are always in the same ratio, which in this case is 2:1, as MP = MO due to the midpoint definition, and therefore MO is twice as long as MP. Same for NO and QO.

Now that we know the ratio, we can set 6x-4 = 2(-5x+64)

6x-4 = -10x +108

16x = 112

x = 7

Plug x back in for PQ, -5(7)+64 = 29

The measure of PQ is 22 units.

What is mid point theorem?

A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.

Given:

PQ = 5x + 62, and MN = 6x-4

Now, using Mid- Point Theorem

PQ= 1/2 MN

-5x+ 62 = 1/2( 6x - 4)

-5x+ 62 = 3x - 2

-5x- 3x = -2 - 62

-8x = -64

x= 8

and, PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22

Hence, the measure of PQ is 22 units.

Learn more about mid point theorem here:

https://brainly.com/question/13677972

#SPJ2

The formula sa
SA
6 gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side
of a cube with a surface area of 180 square meters than a cube with the surface area of 120 square meters?
o
30-45 m
O V30-2V5
o 10 m
215 m

Answers

Answer:

The correct option is (b).

Step-by-step explanation:

The formula for the side of a cube of surface area SA is as follows :

[tex]s=\sqrt{\dfrac{SA}{6}}[/tex]

When SA = 180 m²

[tex]s=\sqrt{\dfrac{180}{6}}\\\\s=\sqrt{30}[/tex]

When SA = 120 m²

[tex]s=\sqrt{\dfrac{120}{6}}\\\\s=\sqrt{20}\\\\=2\sqrt5[/tex]

Difference,

[tex]=30-2\sqrt5[/tex]

So, the correct option is (b).

PLEASE HELP ASAP ILL MAKE BRAINLIEST


The table shows how many coins are in Joshua’s coin jar.





Joshua intends to blindly reach in to the coin jar, pull out the first coin he touches, record its value, and replace it. He will select a coin 50 times. Set aside the different coin sizes, and assume the size of the coin does not impact his ability to select it.

Enter the number of times a dime is expected to be pulled from the jar.

Answers

Answer:

10 times

Step-by-step explanation:

there are a total of 200 coins

each time he makes a selection the probability of selecting a dime is 40/200 or 1/5

if he makes 50 selections, the probability is 1/5(50) which is 10 times

Jonathan and anna have to share $20.64 evenly for the summer festival. how much money will each child recieve.

Answers

Answer:

10.32

Step-by-step explanation:

20.64 divided by 2

Question 1 of 5
Which data set has a variation, or mean absolute deviation, similar to the data
set in the given dot plot?

Answers

Answer:

It is A because it is pretty similar to the data set in the given dot plot.

If f(x)=x^2 is vertically stretched by a factor of 8 to g(x), what is the equation of g(x)?
A. g(x)= (1/8x)^2
B. g(x)= 8x^2
C. g(x)= (8x)^2
D. g(x)= 1/8x^2

Answers

Answer: 3x

Step-by-step explanation: just need points

What is 63.48 rounded off to 1 decimal place?

Answers

Answer:

63.5

Step-by-step explanation:

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