29 Answered Questions for the topic Middle School

01/10/20

A fitness club charges

A fitness club charges its members a one-time fee of $40 and a monthly rate of $25. Let m represent the number of months. Write an expression for the total amount paid after m months. Then find how... more

12/17/19

Application of Proportions

how to solve: A right triangle has an area of 13m^2. The diamensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle?I Don't Need The Aswer, Just How To... more

10/08/19

Help me with math plz

You need to rent meeting space in a downtown co-working center that charges $25/hour per room. If you want the largest room for your money, which room is a better deal? The Hub Room, measuring 9... more

10/02/19

How many minutes does it take for 6 people to paint 4 walls?

It takes 45 minutes for 4 people to paint 5 walls.

09/12/19

What is 128.1 as a percentage of 91.5.

08/14/19

What is the area A of the cross section of the column?

A building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π meters.Give your answer in terms of pi

05/01/19

ratio problem!!!

if jimmy solves 5 problems per minute and the are 500 problems how long will it take him to finish

04/01/19

Algebra Math Problem

The height of Lina’s foot ball after she threw it is represented by the function h(t) = -16^2 + 80t, where h is the high of the ball after t seconds. If Lina wanted to see how far she could throw... more

04/01/19

The speed of a firework x seconds after lighting up can be modeled with the expression -x2 + 4x + 32. How long after lighting the firework does the firework stop moving?

The speed of a firework x seconds after lighting up can be modeled with the expression -x2 + 4x + 32. How long after lighting the firework does the firework stop moving?

04/01/19

what is the value of the positive zero of the function defined by (x-3)^2-16?

What is the value of the positive zero of the function defined by (x - 3)2 - 16?

03/31/19

Algebra Math Question

A coordinate grid is placed on top of a drawing showing a wire that is hung between two poles. The tops of the poles lies on the x-axis. The wire is attached at the top of the poles. The function... more

03/15/19

Grades that i need to know what it will be

If I have a F (49.46%) and I pass a 100 point assignment what will my grade be after that

02/21/19

Help me with this question please

In a survey, a group of students were asked to name their favorite elective class. There were 15 students who chose “other."How many students participated?art-30%physical education-60%

10/29/18

It will cost Mr. Hong $84 initially to advertise and $28 for each day he keeps the items on sale. He doesn’t want to spend more than $700 advertising, what is the number of days he should advertise?

Full:Mr. Hong has coins and old stamps for sale. He decides to advertise the items on an internet site for collectors. It will cost him $84 initially to advertise and $28 for each day he keeps the... more

03/25/18

Find the y-intercept please.

I am doing a math project and I got a problem like this: (-5,-11); average rate of change = 1/5. I know that the average rate of change is slope. I was wondering if there was any way to do this... more

12/10/17

Middle school math word problem... please help me

If Machine A makes a yo-yo every five minutes and Machine B takes ten minutes to make a yo-yo, how many hours would it take them working together to make 20yo−yos?

12/08/17

You and a group of 7 friends go out for pizza. One large pizza and 3 small drinks cost $21.96.

You and a group of 7 friends go out for pizza. One large pizza and 3 small drinks cost $21.96. One large pizza and 6 small drinks cost $27.93. Write an equation that models the total cost y (in... more
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