439 Answered Questions for the topic Pre-Algebra

Pre Algebra

01/12/15

There are 8 people fishing at Lake Connor: 3 have fishing licenses, and 5 do not. An inspector chooses two of the people at random. What is the probabili
There are 8 people fishing at Lake Connor: 3 have fishing licenses, and 5 do not. An inspector chooses two of the people at random. What is the probability that neither person has a license? Write... more
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Pre Algebra

01/12/15

A bag contains 9 marbles: 5 are green, 2 are red, and 2 are blue. Charmaine chooses a marble at random, and without putting it back, chooses another one
A bag contains 9marbles: 5are green, 2are red, and 2are blue. Charmaine chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the... more
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Pre Algebra

01/11/15

If 2 cubic feet of sand weigh 90 pounds how much do 5 cubic feet of sand weigh
if 2 cubic feet of sand weigh 90 pounds how much do 5 cubic feet of sand weigh 
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Pre Algebra

01/01/15

500,000 square mile , if the "sides" of a triangle are about 959 miles , 1,011 miles , and 1,033 miles, is this a right triangle?
if the Atlantic ocean , off the Bermuda , lies a 500,000 square mile region called the "Bermuda Triangle" . If the "sides" of a triangle are about 959 miles , 1,011 miles and 1,033 miles , prove... more
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Pre Algebra

12/17/14

3(m+4)>-2m+1
Pre-Algebra homework help......
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Pre Algebra

12/17/14

how do you combine like terms and simplify
x+2(x+8)
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Pre Algebra

12/14/14

theta equals five pie over four
θ=5π⁄4
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Pre Algebra Math Algebra 1 Help Asap

12/08/14

A planf cell has length 5.8×10^-6 m and 2.9×10^-6 m. what is the ratio of the plant cell's length to its width
5.8 × 10^-6 = 0.00000058m   2.9 × 10^-6 = 0.0000029m   What is the ratio?
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Pre Algebra

11/24/14

There are markers every 1000 feet along the side of a road. Mai passed marker 15 at 10:05 and marker number 39 at 10:11.
Find Mai's average speed in feet per minute.
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Pre Algebra

11/17/14

What is the answer to this problem? 2(x + y) - 2y
This problem is in my worksheet and I can not get it. please help me so I can get a good grade in my math class.
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Pre Algebra

11/15/14

What is the area of a square when 2x^4 is the side length?
I cannot find the answer to this problem.
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Pre Algebra

11/13/14

1.8x10^5 and 3x10^4 in scientific notation?
1.8x10^5 and 3x10^4 in scientific notation? Confused on what the answer is, help?
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Pre Algebra Inequalities Math Help

11/04/14

Math question
The solution of the inequality ax - 2 is less than -4, is x less than -1. What is the value of a?
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Pre Algebra Word Problem Help

11/04/14

PRE ALGEBRA WORD PROBLEM
The equation R=10A-50 represents the revenue R (in dollars)you make by spending A dollars on advertising. Your revenue totaled $200. How much did you spend on advertising?
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Pre Algebra

11/04/14

four students about to purchase concert tickets for $18.50 for each ticket discover that they may purchase a block of 5 tickets for $80.00.
options   $1.50 $2.50 $3.13 $10.00 $12.50
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Pre Algebra

10/29/14

"Cars for you" will rent a car for $11 per day plus $.27 per mile driven. "Rent-a-room" will rent the same car for $26 per day plus $.07 per mile driven.
a) Write an equation that represents the situation when the total rental cost for one day is the same at both rental agencies. b) For how many miles is the total rental cost for one day the same... more
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Pre Algebra Word Problems Math Help

10/28/14

Math question
Your friend works as a waitress at a local restaurant. Her income consists of an hourly wage plus tips. On Wednesday, your friend earned $25 in tips over a 5 hour period. On Friday, your friend... more
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10/27/14

Math Question
A ski resort charges $45 for an all-day lift pass and $40 per day for renting boots and a snowboard. At a store, you can buy boots and a snowboard for $360. How many times must you go snowboarding... more
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Pre Algebra Math Math Help

10/27/14

17h -47+6h=160
Fgbff 
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Pre Algebra Math Verbal Sentences

10/20/14

Eight less than 3 times a number is equal to -3 plus twice the number
I am very bad at verbal sentences. Can anyone help?
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Pre Algebra

10/13/14

how much money will be in an account at the end of 9 years if $6,000 is deposited at 4% interest compounded 4 times per year?
Help solve, round to the nearest dollar
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Pre Algebra Math

10/05/14

How to estimate mixed fractions
7th Grade Pre-Algebra  HELP ME 
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Pre Algebra

10/01/14

I need help please
Priya paid $11 for two notebooks and one pack of pencils. The pack of pencils cost$4. What equation can she write to find the price of each notebook?
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Pre Algebra

09/25/14

Simplify the expression
32r (-6) how do u simplify these expressions
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Pre Algebra

09/18/14

Given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula.
Given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula.     THE PERIMETER IS 128 FT AND THE THE WIDTH IS 34 FT.    THE... more
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