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
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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
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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?
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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
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8th Grade Math Integers

01/13/21

Find three consecutive odd integers such that the sum of 7 times the smallest and twice the largest is -91. please help i have to make legends and set up an equation
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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
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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
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8th Grade Math

08/27/20

you bought a magazine for $3 and six notepads. You spent a total of $27. How much did each notepad cost?
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8th Grade Math

08/27/20

nancy bought a soft drink for 4 dollars and 8 candy bars. She spent a total of 28 dollars. How much did each candy bar cost?
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04/20/20

The hypotenuse of a right triangle is 8, the length of one leg of the right triangle is 6, what is the length of the missing leg?
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8th Grade Math Aleks

04/16/20

A farmer's land is separated into sections of size 2 1/5 acres. Suppose there are 2 7/9 such sections. How many acres of land does the farmer own?
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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.
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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.
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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
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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?
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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
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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.
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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?
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8th Grade Math

12/19/19

Donna is 14 years older than her cousin Cash. She is also 3 times as old as Cash. Let X represent Cash’s current age and write an equation to solve for their ages.

Mostly need Donna’s age and steps.
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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
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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
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8th Grade Algebra 2

06/25/19

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

05/09/19

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