Mathematics Middle School

Mark wants to find the circumference of a circle with a diameter of 12 cm. Which expressions can he use to find the circumference of of the circle in centimeters?

Answers

Answer 1

Use this to plug in the numbers:

C = 2 * π * R = 2 * π * 14 = 87.9646 cm

Answer 2
C = Pi or (3.14) times d
Therefore
C = (3.14)d, and C= (3.14)12

Related Questions

Which of the following is equivalent to the expression 2 ( 8y + 1/2 ) Select all that apply.

Answers

Answer:

B and C both are equivalent to the expression

Answer:

B, C

Step-by-step explanation:

2(8y+1/2) would be equal to 2x8y+2x1/2=16y+1.

2(8y+1/2) would also be equal to 8y+1/2+8y+1/2 because multiplying by 2 is basically just adding the thing you are multiplying to itself.

Explain, how to evaluate cube root from given volume and square root from given area?

Answers

Step-by-step explanation:

Well, the cube root of a cubes volume is its edge length. So, for example, if a cube has a volume of 27 cm³, then the length of its edges are equal to the cube root of 27 cm³, which is 3 cm

please answer the question in the picture

Answers

Heres a photo I took of a diagram. I hope it helps!
Hey I’m doing this to in science!

Tina was observing the changing heights of a ball as it bounced over time. She graphed the function on this coordinate grid to show f(x), the height of the dropped ball, in feet, after its xth bounce.

Part A: What is f(3)? Explain what this value represents in the given context.

Part B: Tina said that a possible range for the given function is y > 0. Based on the given scenario, do you agree or disagree? If you agree, explain why the range is correct. If you disagree, what values should be the range for the given scenario?

Answers

The range for the given scenario is y≥0.

Given that, Tina graphed the function on the coordinate grid to show f(x), the height of the dropped ball, in feet, after its xth bounce.

What is the function?

Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.

Part A:

From the graph we can see that, for f(3) that is for 3 bounces the height is 4 feet.

Part B: Tina said that a possible range for the given function is y > 0.

From the graph we can see that for f(7) and f(8), the ball is almost at rest position. So the range can be y≥0.

Therefore, the range for the given scenario is y≥0.

To learn more about the function visit:

https://brainly.com/question/28303908.

#SPJ2

I need help with this

Answers

Answer: 2.5

Step-by-step explanation: to find the unit rate/slope we need to pick 2 points and subtract the y's and x's

i picked (2, 5) and (1, 2.5)

5 - 2.5 = 2.5

2 - 1 = 1

2.5/1 = 2.5

2.5 is the slope

Answer:

1.25 I think

Step-by-step explanation:

Which size bottle of ketchup is the best deal with the lowest unit price?

Answers

Answer:

I think the best deal would be 14 oz

explanation:

The 10 0z, 1 oz would be equal to 25 cents and when you add 4 oz the price would have been 3.50 if it was going off of the same ratio as the 10 oz bottle. the 16 oz bottle is the same ratio as the 10 oz bottle and the 18 oz bottle would be 30 cents per oz.

Miguel and his family are driving to a family resort. This trip is 822 miles long. They will stop every 205 miles for gas. About how many times will they stop?

Answers

Answer:

4 times

Step-by-step explanation:

822/205= 4 R2

822 divided by 205 is gonna be 4 remainder 2, they will stop about 4 times.

..... i need help with these 3 questions Q^Q

Answers

Answer:

3/5(x-8)-y = D

Step-by-step explanation:

3/5 (15-8)-1/10

= 41/10 or 4.1

First picture is D
I don’t know the second
Third picture is 5/8

☀︎︎Scientific Notation: 2 problems, please provide an explanation as I missed the lesson on scientific notation :)

Answers

Answer:

Here you go hope this helps

Step-by-step explanation:

1: 7.7 x [tex]10^{8}[/tex]

2: 2.9 x [tex]10^{7}[/tex]

The number of decimal places you move will be the exponent on the

10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.  

7.7 x 10 to the power of 8 and 2.9 to the power of 7 if decimal is left positive right= negative

2x+12=18-x
a-x=3
b-x=10
c-x=6
d-x=2

Answers

Answer:

3

Step-by-step explanation:

44rr

The answer is d x =2

work out and simplify where possible 7/8 x 10

Answers

Answer:

35x/4

Step-by-step explanation:

Answer:

35 / 4 ( in fraction ) or 8.75 ( in decimal )

Step-by-step explanation:

7/8 x 10

= ( 7 x 10 ) / 8

= 70 / 8

= 35 / 4

  ( or )

= 8.75

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?
-21 ÷ 4
-21 ÷ 5
-20 ÷ 4
-20 ÷ 5

Answers

Answer:

-21/5 = -5.25 or -5

Step-by-step explanation:

It is so because I estimated the -21.87 to -21 because of the 8 being higher than five. I estimated the 4 to 5 because of the 7 being higher than five also.

-5.25
-4.2
-5
-4
This is how we solve this problem

Can y’all HELPPPP MEEEEEEE PLEASEEEEE

Answers

Answer:

The answer is the second one

Step-by-step explanation:

Like and give 5 star rating

Answer:

the 2nd one

Step-by-step explanation:

(6+7)∙(9+4)

A.69

B.112

C.144

D.169

Answers

Answer:

The right answer is option D(169).

I don't understand why m

Answers

please explain what question you are talking about since there is 6 questions on the paper.

Answer:

M

Step-by-step explanation:

When is says m< It is really said “m” angle___ it has nothing to do with math really

Key Concepts

• The constant of proportionality is the _______ value of the ratio between two proportional quantities.

• To find the constant of proportionality on a graph, find the y-value when the x-value is
________ .

• You can use ______ reasoning to find the constant of proportionality when the x-value of 1 is not labeled on a graph.

• A proportional relationship is sometimes described by words. Setting up a table to find the _______ of proportionality can be useful.

Answers

Answer:

equal, right, answer

Step-by-step explanation:

Find the domain and range

Answers

Answer:To find the domain and range, we simply solve the equation y = f(x) to determine the values of the independent variable x and obtain the domain. To calculate the range of the function, we simply express x as x=g(y) and then find the domain of g(y).

Step-by-step explanation:sorry if i'm wrong

☀︎︎What is the perimeter, in inches of, a rectangular picture frame that is 14 1/2 inches tall and 11 1/2 inches wide?

And can someone please explain the process of this.

Answers

Answer:

= 52

Step-by-step explanation:

2 ( 14 and 1/2) + 2 (11 and 1/2) =

2 ( 29/2 ) + 2 ( 23/2)  =

29+ 23 =  52

14.5 times two and 11.5 times two=52 the perimeter is 52 because two sides are 14 and two sides are 11 and multiply both by two then add both together and get 52.

Yulee primary school maintains a library with 81 English books to every 90 Math books. Find the ratio of English books to the Math books.

Answers

1:0.9 you just need to divide 81/90=0.9 therefore meaning the there 1 English book for every 0 math books

Answer:

81 to 90 or 81:90 or 81/90

Select the correct answer.
Shawn buys books every month. The dot plot shows the number of books he bought in each of the last 6 months. What is the mean of the number of books Shawn bought each month?



A.
3
B.
4
C.
5
D.
7
Reset Next

Answers

Answer:

5

Step-by-step explanation:

i think

Lilly wants to plant grass around their rectangular garden they have 28 meters of grass to go around the garden and they need to use it all pick two different dimensions in which they can do to construct the garden here are the choices you can pick 9x10 2x12 10x11 dimension 2 10x4 13x7 51x14 what garden size should Lilly choose if they want to grow the greatest amount of Brussel sprouts dimension 1 or dimension 2

Answers

Answer:

the amount is24

Step-by-step explanation:

The amount is 24.!.!.!.!.

plz help wit this ASAP! cuz im gonna fail math!

Answers

Answer:

ill put them below

Step-by-step explanation:

1: -4/4

2: 2/6 or 1/3

3: -35/6

4: 4/21

5: -21/8

Answer:

in order they are

Step-by-step explanation:

1: -4/4

2: 2/6  

3: -35/6

4: 4/21

5: -21/8

Simplify 753.06 ÷ 2.2
A. 34.23

B. 3.423

C. 0.0029

D. 342.3

Answers

Answer:

D

Step-by-step explanation:

D. 342.3

I just did this question

HELP ILL GIVE BRAINLY

Answers

Answer:

y=-115

Step-by-step explanation:

y/5+4=-19

y/5=-23

y=-115

Answer:

-19 - 4 = -23. y = 20

Step-by-step explanation:

pls help I have three more questions after this that are impossible

Answers

the basic formula for volume is length times width times height. you can use this to answer question C.
i do not know the length width or height in your problem.

Ill give brainiest to whom ever gets this correct.

Answers

Answer:

50.2

Step-by-step explanation:

Area=π×r2 =π×(4 cm)2 =16π)cm2≈50.24 cm

Answer:

A. 12.6 meters squared.

Step-by-step explanation:

please help me with this math :)

Answers

Answer:

The X is equal to 1.75

Step-by-step explanation:

3.5X2.25=7.875

14/7.875=1.75

Answer: x=1.75

Step-by-step explanation:

rearrange the term: 3.5 (2.25 + x) = 14

the new term: 3.5 (x + 2.25) = 14

Combine multiplied terms into a single fraction, then distribute.  

x = 1.75

PLSSS HELP ME IN THIS QUESTION IT IS SO HARD CHALLENGES

Answers

Answer:

Step-by-step explanation:

1. 300

2. 2100

3. 560

4. 2800

5. 1200

6. 240

300 2100 560 2800 1200 240 7200

Chicago has a temperature of -10 degrees Fahrenheit (°F). It is colder in Minneapolis than in Chicago.

Select all values that could represent the temperature of Minneapolis.

12°

8°

-8°

-12°

-20°

Answers

-12 and -20 degrees since they are lower numbers and colder bc it goes down the temp.
It can be-8 degrees

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?
-21 ÷ 4
-21 ÷ 5
-20 ÷ 4
-20 ÷ 5

Answers

Answer:b

Step-by-step explanations:

It is close to problem b
Other Questions
Solve the inequality x + 3 < 7. Which number line represents the solution?. Select the equation of a line in slope-intercept form that passes through (-2, 2) and is perpendicular to the graph of y=1/2 x-2. In your opinion, are we following Washington's advice today? Explain your answer. Pat Jones is a college student who is planning some networking opportunities for the current l semester. Pat wanted to lookprofessional for these events and felt a new suit would be a real benefit; however, the cost for the first event ended up being $75 which was a strain on the budget. Pat did not want to attend the remaining three events in the same outfit, so a new strategy was developed. Instead of paying for new suits in cash, Pat decided to charge the suits on a credit card, wear them to the events, and then return them the next day for full credit.1. Do you feel Pat's new strategy is ethical? Why or why not? Could there be any consequences with this strategy?2. How will this new strategy impact the company/companies where the suits are purchased?3. What journal entry/entries would the company have to record related to the return of the suit? Convert 13.86 to degrees/minutes/seconds how many grams of water are needed to produce 250 j of energy when the temperature changes from 21 to 18.5 (05.05)Select the inequality that corresponds to the given graph. (5 points) (WILL GIVE BRAINLy) Select the correct answer.The graph shows the percentage of dog breeds affected by elbow dysplasia, which causes dogs to limp. Whats the most likely explanation for the mixed breeds disease incidence?A. It has low diversity in its genes.B. It has high diversity in its genes.C. Its good at saving human lives.D. It doesnt suffer attacks from wild predators.E. It lives comfortably with people. What is Perfect square Drawing Conclusions Was religion in Greece a public or private affair? Explain your answer. Can I park here?Sorry, I did that.It's the same place.Only for half an hour. AWNSER ASAP PLEASE!!!!!!!!!!!!!! WORTH 20 POINTS. Find the solution of this system of equations -2x + 8y = 14 -2x - 2y = -26 what is the answer?????? amoeba is advantageous also why can you use regular milk instead of evaporated milk The weight of an object on the moon varies directly as the weight of the object on Earth. A 90-pound object on Earth weighs 15 pounds on the moon. If an object weighs 156 pounds on Earth, how much does it weigh on the moon? Which type of advertising focuses on promoting an organization or business as a whole rather than specific goods or services Is ( - 1, 2) a solution of the system y > x and x + y > 0?O No, because ( - 1, 2) is a solution to only one of these inequalities.O Yes, because ( 1, 2) is a solution to both inequalities.O Yes, because ( - 1, 2) is the point of intersection of the two boundary lines of this system.No, because ( 1, 2) is not a solution to either inequality. Question 1) Describe what is meant when water is called a polar molecule? ( Will Mark Brainliest). Imagine you were a farmer in southern Italy during this time of unification. How would your life be affected by this time period?