51 Answered Questions for the topic 8th grade math

8th Grade Math Math Math Substitution

02/29/20

Solve the system of linear equations by substitution. Check your solution. y=2x+3 y=3x+5
Solve this by substituting.
Follows • 1
Expert Answers •1
8th Grade Math Math Exponential Functions

02/05/20

Math Question .
Does either y=2x or y=2x+1 represent an exponential function?
Follows • 1
Expert Answers •1

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... more
Follows • 1
Expert Answers •1
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

Follows • 1
Expert Answers •1
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.... more
Follows • 1
Expert Answers •1
8th Grade Math

01/09/20

Which equation represents a line with a slope of negitive 2/3that passes through point (5, - 2)
Follows • 1
Expert Answers •1
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
Follows • 1
Expert Answers •1
8th Grade Math Algebra 1

11/18/19

The product of a number and 4 plus 2 is 14
Follows • 2
Expert Answers •2
8th Grade Math Algebra 1 Algebra

10/08/19

A rectangle is 5 inches long and 2x inches wide. the value of the permitter (in inches) is equal to the value of the area (in square inches). find X.
Follows • 0
Expert Answers •1
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?
Follows • 1
Expert Answers •1
8th Grade Math

10/02/19

Solve: 3x + 15 - 7x = -7
A. 11/2B. 2/11C. 8D. -3
Follows • 1
Expert Answers •1
8th Grade Math Math Pre Algebra Freshman Math

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?
Follows • 1
Expert Answers •1
8th Grade Math Math Algebra Pre Algebra

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)
Follows • 1
Expert Answers •1
8th Grade Math Math Prealgebra Algebra

09/11/19

Find the value of a. Then find the angle measures of the quadrilateral. The angle measures from least to greatest are, ___, ____, ____, and ____.
Follows • 2
Expert Answers •1
8th Grade Math Prealgebra

09/10/19

What two consecutive integers does 28 fall between
Follows • 1
Expert Answers •2
8th Grade Math Geometry Rectangular Prism

06/26/19

The question is in the description.
Fiona plans to make a box in the shape of a rectangular prism for storing her outdoor checkers. In order to fit all of the pieces, the box will need to have a volume of 96 cubic feet. The place she... more
Follows • 1
Expert Answers •1
8th Grade Math Prealgebra

05/08/19

Which shows the expression below simplified?
(5×106)×0.00005
Follows • 1
Expert Answers •1
8th Grade Math Algebra 1

05/01/19

It about math i'm having a hard time

What is 52 (7-5)+2
Follows • 1
Expert Answers •1
8th Grade Math Geometry Volume Radius

03/28/19

A sphere and a right cylinder have the same radius and volume. Find the radius r in terms of the height h of the cylinder.
Follows • 1
Expert Answers •2
8th Grade Math Algebra 1

02/22/19

2x+3y=24 y=x-2
how do I solve this equation?
Follows • 1
Expert Answers •1
8th Grade Math Algebra 1

02/08/19

The slope of line X between (-7, 6) and (-4, 4) is . What is the slope of line X between (-1, 2) and (5, -2)?
Follows • 1
Expert Answers •1
8th Grade Math

01/18/19

What is a waffle cones volume of about 234 cm3. If a cone is 14cm tall, what is the approximate diameter of ITS base?
Waffle cones have a volume of about 234 cm. If a cone is 14cm tall, what is the approximate diameter of its base?
Follows • 1
Expert Answers •1
8th Grade Math

01/17/19

i really need help on this math problem

at a basketball game a team made 59 successful shots.they were a combination of -1 and -2 point shots the team scored 100 points in all wrote and solve a system of equations to find the number of... more
Follows • 1
Expert Answers •1
8th Grade Math

11/27/18

The radius of a soccer ball is 11 cm. What is the volume of the ball? Give your answer to the nearest cubic centimeter.
I can't figure out this problem. I am in a mentally challenged group and need help.
Follows • 1
Expert Answers •1
8th Grade Math

11/18/18

Comparing functions word problems
David tutors elementary students on the weekend. The total bill for 1 hour is $40. The total bill for 3 hours is $90. What is the David’s flat rate as a tutor? Show your work! Answer: what would... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.