38 Answered Questions for the topic 8th grade math

05/11/21

#### Kelly is running home from the park. The function shown gives her distance, d, in miles, from home after t minutes. d = -0.15t + 2.3 What does -0.15t represent in this function?

I need help answering this question step by step.

8th Grade Math Math

04/26/21

#### Alexa is making a frame for a square picture with an area of 196 square inches. How many inches of framing are needed?

The choices are :52 in50 in56 in62 in

8th Grade Math Math

03/26/21

#### What should you substitute for x in the second equation (bottom equation) in order to solve the system by the substitution method

What should you substitute for x in the second equation (bottom equation) in order to solve the system by the substitution method3x + y = 32x - 5y = 6

8th Grade Math Math

10/21/20

#### Two times a number subtracted from 47 is half of that number

8th Grade Math Math

05/20/20

#### 8th Grade Math Problem

Maximilian wants to rent a car for 10 days, and he has two options. The first rental car company charges a $35 rental fee and an amount of $110 for 3 days. The second rental car company's offer can...
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8th Grade Math Geometry

05/01/20

#### Please help me. I don't understand this. Need this answered today.

A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 12x. Find the height of the cone in terms of y.

8th Grade Math Help

04/16/20

#### need help with math question

At a basketball game, a team made 52successful shots. They were a combination of 1- and 2-point shots. The team scored 86 points in all. Write and solve a system of equations to find the number...
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8th Grade Math

04/01/20

#### Slope intercept form equation for the line that is perpendicular

What is Y=2/5x-3 (2,-3) in slope intercept form

02/29/20

#### Solve the system of linear equations by substitution. Check your solution. y=2x+3 y=3x+5

Solve this by substituting.

02/04/20

#### Math Question .

Carmelita's grandmother offered to sponsor her money when she competed in her swim meeting. Her grandmother said that she will give her $1 if she swims 1 lap, $3 if she swims 2 laps, $5 if she...
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8th Grade Math Algebra 1

01/27/20

#### How can you write the equation for a linear function if you know only two ordered pairs for the function

8th Grade Math Prealgebra

01/13/20

#### Proportional relationships

Tomas collects sport cards. The number of baseball cards he buys each week is proportional to the number of football cards he buys. Fill in the missing numbers week 1 2. 3....
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8th Grade Math

01/09/20

#### Which equation represents a line with a slope of negitive 2/3that passes through point (5, - 2)

8th Grade Math

11/19/19

#### Michael is 12 1212 years older than Brandon. Seventeen years ago, Michael was 4 44 times as old as Brandon. How old is Brandon now?

i need answer

8th Grade Math Algebra 1

11/18/19

#### The product of a number and 4 plus 2 is 14

8th Grade Math Algebra 1

10/06/19

#### In the 5th year of operation,a profit of a company was 3 times the profit it earned the 1st year of operation.If the profit was $114,000 the 5th year of operation,what’s the profit in the first year?

09/20/19

#### The Navy Pier Ferris Wheel in Chicago has a circumference that is 56% of the circumference of the first Ferris wheel built in 1893.

What is the radius of the Navy Pier Ferris Wheel?What was the radius of the first ferris wheel?The first ferris wheel took 9 minutes to make a complete revolution. How fast was the wheel moving?

09/12/19

#### You collect a total of $80 in donations from three people. The three donations are in the ratio 3 : 3 : 10. How much do the two people donate that donate the same amount?

How much greater is the largest donation than the smaller donations? (question continued)

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