302 Answered Questions for the topic Pre Algebra

Pre Algebra

06/11/18

How many solutions does this system have?

 x-3y=4 -2x+6y=3
Pre Algebra

05/22/18

What is the length of the longest side of a triangle that has vertices at (-4,2), (-4,6), and (4,2)?

please help i need high grades 
Pre Algebra

05/17/18

If an object is propelled upward from a height of h feet at an initial velocity of v feet per​ second, then its height S after t seconds is given by the equatio

If an object is propelled upward from a height of h feet at an initial velocity of v feet per second, then its height S after t seconds is given by the equation Sequals=minus−16t... more
Pre Algebra

04/24/18

1/3 of apersons income goes for rent What is the total income

Rent is $1,150.00  per month. and is 1/3 of monthly income.  What  is the monthly income?   r
Pre Algebra

04/15/18

sam spent 1/4 of his money in the first week and 1/8 of it in the second week. if he spent $60 altogether, how much money did he have at first?

sam spent 1/4 of his money in the first week and 1/8 of it in the second week. if he spent $60 altogether, how much money did he have at first?
Pre Algebra

04/15/18

Pre Algebra Word Problem

Find wo numbers whose sum is 124 and whose difference is 290
Pre Algebra

03/29/18

A human fingernail grows about 1 nanometer per second cehck this claim by how often you trim your nails

This is math word problem on units
Pre Algebra

03/29/18

Contributions accounted for two fifths of the money received. If $950 was received in all, how much money was contributed?

i dont understand how to slove it ):
Pre Algebra

03/28/18

If John makes 25 dollars a week and he wants to make 200 dollars, what is an inequality that represents this situation

It has to be an inequality to use to solve  (pre algebra)
Pre Algebra

03/14/18

janelle knows that her line passes through (3,5) and (-2,-5) does her line also pass through points (8,13) and (-4,-6)

Be Sure to describe how you found your answer or show your work.

03/05/18

Question 14 A construction company can remove 934 metric tons of dirt from a construction site in 338 hours.

what is the unit rate in metric tons per hour  
Pre Algebra

03/01/18

how much does each type of candy cost

chase and sara went to the candy store. chase bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $7.50. Sara bought 2 pieces of fudge and 10 pieces of bubble gum for a total of... more
Pre Algebra

01/30/18

the sum of two numbers is 36. Twice the first number minus the second is 6 . Find the numbers.

you have to define the variables then set up the equations & solve after you identify the answer
Pre Algebra

01/13/18

is it possible to have a percentage value that is greater than 100% give an example

is it possible to have a percentage value that is greater than 100% please give an example.
Pre Algebra

01/07/18

how much is a coach ticket

the difference between the prices of a first-class airline ticket and a coach ticket is $135. The cost of a first-class ticket is 175% of a coach ticket. What is the cost of a coach ticket? 
Pre Algebra

12/14/17

the legnth of a rectangle is one more than three times the width

the perimeter is 50 centimeters. Find the dimensions 
Pre Algebra

12/08/17

Mai, Ravi, and Alonzo have a total of $ 116 in their wallets. Alonzo has 4 times what Ravi has. Mai has $ 10 less than Ravi. How much does each have?

Mai, Ravi, and Alonzo have a total of $116 in their wallets. Alonzo has 4times what Ravi has. Mai has $10 less than Ravi. How much does each have?

12/07/17

Kim is driving from A to B a distance of more than 250 miles. Stops for gas after 60 miles. Write inequality for how much more to reach B.

I NEED HELP! Homework due tomorrow. The question is: Michael is driving from Lakeview to Dodge City, a distance of more than 250 miles. After driving 60 miles, Micheal stops for gas. Write and... more
Pre Algebra

11/30/17

He sold $4 regular sandwiches and $5 large sandwiches. And twice as many regular ones. Totaling $585. How many of each?

The store sold twice as many regular sandwiches as large. $4 each regular. $5 each large. Total $585. How many of each sandwich?
Pre Algebra

11/28/17

How do you evaluate an algebraic expression taking away the parentheses?

I rewrite the expression 4t - 4(3r - 2) without parentheses but do not know how to.
Pre Algebra Math Algebra Math Help

11/28/17

a student answers 90% of he questions on a math exam correctly. if he answers 18 questions correctly, how many questions are on the exam?

how do i solve his and how do i get my answer correct? whats an easy way to memorise how to do these problems?
Pre Algebra

11/14/17

One of the high-speed trains travels about 233 miles from London to Brussels at a speed of about 87 miles per hour. How long does the trip take?

I need help! I can't figure it out. Please help me!

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