439 Answered Questions for the topic Pre-Algebra

Pre Algebra

03/28/18

Complete the equation of the line through (-6,5) and (-3,-3)
Value of y
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Pre Algebra Semicirles

03/25/18

The perimeter of a semicircle is 20.56 feet. What is the semicircle's diameter?
use 3.14 for pi
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Pre Algebra

03/23/18

What is twice a number minus nine at most 16?
Simply trying to solve & I want to double check my work ... should be fairly easy.
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Pre Algebra

03/22/18

Pre-Algebra Word Question
There is $14.94 worth of quarters, nickels, dimes and pennies.  There are six more nickels than dimes, ten more pennies than dimes, 3/5 many quarter than nickels. How many each type coin is there?
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Pre Algebra

03/22/18

$2.70 worth of nickels, dimes and quarters. There are two less than three times as nickels as quarters, and three more dimes than quarters. How many each type
Over the years, $2.70 worth of nickels, dimes and quarters have slipped into the cushions of Mary's family's sofa.  The sofa hides two less than three times as many nickels as quarters, and three... more
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Pre Algebra Area And Perimiter

03/22/18

A diving board has a perimeter of 22 feet and an area of 10 square feet. What are the dimensions of the diving board?
The diving board is a rectangle and had length times width dimensions.
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Pre Algebra

03/16/18

Hey I need help with system of equations and how to solve them algebraically.
Here's a problem I need help on: Rachael spent $8 for 1 magazine and 2 puzzle books. At the same store, Christopher spent $23 for 4 magazines and 4 puzzle books. a. Write a system of equations to... more
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Pre Algebra

03/15/18

you travel 50 miles after traveling 4 hours .what is your average speed of travel over the 4 miles per hour
Please help
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02/28/18

I dont understand..., HELP PLEASE
I have an exam tomorrow, and my review sheet has this question that i dont understand:   Determine the difference of the expression (4.3*108)-(3.8*103). Show your work or justify your reasoning.
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Pre Algebra

02/27/18

Julia worked 55 hours one month. The next month, she worked 47.3 more. how many hours did she work the next month?
there are no description to these ask a question thingie iubhk jnlrqog7iysdb,jnlkwelmorq0BRUOAJLV D.,FLrok39-uweriaghodfbnlk;m 5ep,3r[I9T4UJEIPHOTNGLKF, L5WEP'3R[OWEIDFGJLNKHERYUGJFNMWERIPAG\OFLNJ
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Pre Algebra

02/26/18

There is a 30-60-90 triangle.The longest side of a similar triangle is 1 foot, how many inches long is the shortest side?
It is concu I I don’t know how to do it???
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Pre Algebra

02/13/18

a train went 500 miles in 10hr. the speed for the 1st half of journey was 45mph, 2nd half was 55mph. distance traveled at 55mph?
Use two linear equations to find this aswer
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Pre Algebra

02/04/18

How much does each person have and please explain why?
Christine, Milan, and Bill have a total of $82 in their wallets. Bill has 3 times what Milan has. Christine has $7 more than Milan. How much does each have?
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Pre Algebra

01/22/18

2/3b=1 what does b equal?
2/3b=1 what does b equal? Check your work when your finished.
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Pre Algebra

01/09/18

Lathy received $0.54 in change.Express this as a fraction of a dollar
How do you set it up and also get the answer by a proportion I am confused can you help me.
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Pre Algebra

12/04/17

k friends evenly divided up a 12-slice pizza. One of the friends, Harris, ate 1 fewer slice than he was given. How many slices of pizza did Harris eat? .
Write your answer as an expression. plz
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Pre Algebra

11/08/17

The length of a rectangle is six more than the width. Find the width and length of the rectangle if the perimeter is 72 cm.
What is the width and the length
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Pre Algebra

11/07/17

What is the x and the Y intercept for Y=2/3x+3
What is the y and the x inter for Y=2/3+3  
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Pre Algebra

11/07/17

a train traveled 405 miles in 4 1/2 hours. How fast was the train traveling on average?
distance equals the rate multiplied by the time. thats the hint my homework has. 
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Pre Algebra

10/29/17

One half of the number and 6 is less than 25. What is the number?
I need help with my homework  
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10/24/17

A recipe calls for 1/2 cup of ingredient A for every 1 1/3 cups of ingredient B. You use 4 cups of ingredient A. How many cups of ingredient B do you need?
A recipe calls for 1/2 cup of ingredient A for every 1 1/3 cups of ingredient B. You use 4 cups of ingredient A. How many cups of ingredient B do you need? Please help and can you explain how you... more
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Pre Algebra

10/23/17

Draw a diagram that shows how the expression can represent the area of a figure. Then simplify the expression. 8(3x-1)
Pre-algebra question that we are trying to figure out how to draw.
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Pre Algebra

10/23/17

there is 512 ounces of quarters , if each quarter is 0.2 ounces, how much money was stolen
There are 512 ounces of quarters, I need to know how much money was stolen, Each quarter weights 0.2 ounces.
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Pre Algebra

10/18/17

I dont understand a problem in pre algebra that my teacher gave me
Manuel bought 9 pounds of apples. He has eaten three fourths of a pound so far and has $15 worth of apples left. Write and solve an equation to find the cost of the apples per pound to the nearest... more
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Pre Algebra Math Algebra 1 Prealgebra

10/14/17

not sure how to write this equation and if it's one or two equations to get both answers!
A 50-ft-long piece of crime scene tape is cut into two pieces so that one piece is two-thirds as long as the other. How long is each piece?
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