71 Answered Questions for the topic 8th Grade

8th Grade Mathematics

17d

i need help like now

the average of your 3 quiz grades is 17 points . 2 of your quiz grades are 14 and 19 points . write and solve and equation to find the score of your third quiz

05/11/21

Find the coordinates of the vertices of the figures after the transformation

(A) -8, 8 (B) 8,8 (D) -4, -8 (C) 8, -4Dilate about the origin with a scale factor of 1/4
8th Grade Math Algebra

01/13/21

algebra one unit 4

Cookies cost $3 each, and candies cost $2 each. Tim has $25. Which inequality represents the number of cookies ,x, and the number of candies , y, that Tim can buy?
8th Grade Math Algebra

01/13/21

Algebra 1 Unit 4

what is the equation for A line that passes through the point (0,12) is perpendicular to the line y=4x-6
8th Grade Math

12/28/20

The equation y-5=m(x-2) represents a line, no matter what value m. Show that the first quadrant triangle is always at least 20.

The equation y-5=m(x-2) represents a line, no matter what value m. (A) what are the x and y intercepts of this line? I got: 2-5/m =x ; -2m+5=y(B) for what value of m does this line form a triangle... more
8th Grade Math Math Algebra 1

12/15/20

My math question... please answer ASAP!!!!!

Janelle checks her coin supply and finds that she has only dimes, quarters, and pennies. She has the same number of pennies as dimes and half as many quarters. If she has ten coins altogether... more
8th Grade Math

04/16/20

(3×2 ​^−2 ​​ ) ​^−2 Give a simplified form and numeric answer to this

I need help trying to figure out this answer.
8th Grade Math Algebra 1 Volume

04/03/20

Volume Question

Find the missing height of the cone if the volume = 414.48 ft3, the radius = 6 ft, and 3.14 is used for π.
8th Grade Math Algebra 1 Volume

04/03/20

Volume Question

If the paper cone is completely full of ice what is the total volume of the Sno-Cone? Give a decimal approximation using 3.14 for π and rounding to the nearest tenth.  NOTE: The diameter of both... more
8th Grade Math Algebra 1 Volume

04/03/20

If the height of a cylinder is 12 cm and the volume is 1846.32 cm^3. What is the radius?

If the height of a cylinder is 12 cm and the volume is 1846.32 cm^3. What is the radius?
8th Grade Math Algebra 1 Volume

04/03/20

List the cones described below in order from LEAST volume to GREATEST (smaller to larger) volume.

• Cone 1: radius 11 cm and height 9 cm • Cone 2: radius 8 cm and height 14 cm • Cone 3: radius 14 cm and height 8 cm
8th Grade Algebra 1 Equation

04/02/20

A number increased by 6 is 54. What is the number?

Please help! This is a 8th grade equation.
8th Grade Math

01/15/20

math 8th grade. Need help with this question please help me

​Together, teammates Pedro and Ricky got 2690base hits last season. Pedro had 280more hits than Ricky. How many hits did each player​ have?

12/02/19

Tony's fun park charges $20 per car and $6 for each person in the car. Which inequality can be used to determine the maximum number of people that can go to the fun park in on car for $70 answer

Tony'sfun park charges $20 per car and $6 for each person in the car. Which inequality can be used to determine the maximum number of people that can go to the fun park in on car for $70 answer
8th Grade Math Pi Middle School

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
8th Grade Algebra 2

06/25/19

helppppp pleasee

identify the slope and the y intersept -4,4 and 0,5
8th Grade Math Algebra 2

05/09/19

What is the slope intersect form of 2x+y=7 and 3x-4y=5

8th Grade Math Prealgebra

04/25/19

An angle measures 79.6° less than the measure of a supplementary angle. What is the measure of each angle?

pls huryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy thx for ur help:-)
8th Grade Physical Science

04/09/19

What is the density?

A mass of 43.6 g has a volume of 25.5 mL. What is the density?

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