1,472 Answered Questions for the topic Linear Equations

Linear Equations

09/28/16

the sum of three consecutive odd numbers is 87 find the numbers
the sum of three consecutive numbers is 87 find the numbers  
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Linear Equations

09/28/16

JOHN is three times as old as TOM . Three years ago he was four times as old as JOHN. How old is each boy now?
john is three times old as tom three years ago he was for times older than tom how old is each boy now  
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Linear Equations

09/28/16

Linear Equation
3(2x-4)-2x+5=-3
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Linear Equations

09/28/16

LINEAR EQUATION
-6(3X+2)+5X-2=4
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Linear Equations Algebra 2 Algebra Word Problem

09/28/16

what is x+8=33
I don't get what the total of the cards were before the dog ate it.    
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Linear Equations College Algebra Word Problem

09/27/16

A bottle manufacturer has determined that the cost (C) in dollars of producing x bottles is C=0.6x+2100. What is the increase in cost for each bottle produced?
A bottle manufacturer has determined that the cost (C) in dollars of producing x bottles is C=0.6x+2100. What is the increase in cost for each bottle produced?    I can not figure out the right... more
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Linear Equations Math Helpful Tips

09/26/16

what is 5=9s
please help me because I have no idea how to do this and I don't want to get in to trouble 
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Linear Equations

09/22/16

Raisins worth $4.20/kg are mixed with dried fruit worth $6.90/kg to make a mix.....
Raisins worth $4.20/kg are mixed with dried fruit worth $6.90/kg to make a mixture worth $5.20/kg. How many kilograms of raisins and how many kilograms of dried fruit must be used to make 10kg of... more
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Linear Equations

09/22/16

Solve linear equations
7(9+6)=10[a-(5-a)]
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09/19/16

I need to find the average rate of change
in 1875 the number of high school dropouts in a country was 5217 thousand. by 2003, this number has decreased to 3118 thousand. find and interpret the average rate of change per year in the number... more
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Linear Equations Math Chemistry Word Problem

09/19/16

How many fluid ounces of a 60 percent saline solution must be mixed with a 75 percent saline solution to get 100 fluid ounces of a 72 percent solution?
There are four possible answers: a. 15 fluid ounces. b. 20 fluid ounces. c. 24 fluid ounces. d. 30 fluid ounces   Word problems like these confuse me and I just don't know where to put what.... more
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Linear Equations

09/18/16

I need help finding the equation to this word promblem
You are visiting Baltimore, MD and a taxi company charges a flat fee of $3.00 for using the taxi and $0.75 per mile.
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Linear Equations Trig

09/18/16

Solve for y?
2x+5y=10 with an explanation
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Linear Equations

09/15/16

please assist with steps
Find an equation of the line that passes through the point (2,-7) and is perpendicular to the line 4x=y-8
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Linear Equations

09/15/16

Applications of Linear Equations. 9th grade math homework
Two planes left the same airport at the same time traveling in opposite directions. The first plane traveled at an average rate of 30 mph slower than the second plane. After 3 hours, the planes... more
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Linear Equations

09/13/16

Applications of Linear Equations to Proportions, Money Problems, and d=rt
Two cars leave Disneyland, traveling in the same direction. One car travels at a constant rate of 55mph while the other travels at a constant rate of 63mph. In how many hours will the distance... more
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Linear Equations

09/09/16

How do I set up the following word problem?
In order to earn an A in Chemistry class, Sandra must get an average of 90. There are four exams (each worth 100 points). Her first three exams grades are 88, 85 and 90. What is the minimum score... more
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Linear Equations System Of Equations

09/07/16

Application of System of Equations
The perimeter of a rectangle is 52 m. If the width were doubled and the length were increased by 5 m, the perimeter would be 82 m. What are the length and width of the rectangle?
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Linear Equations

09/04/16

4(3x-2)=13x
I need help solving this problem.
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Linear Equations Determinants

08/31/16

Need help with this equation ax+by=c^2 a+x/b=b+y/a , a<>o,b<>o
Determine for which values parameter x,y system equations with two unknowns have unique solution,inconsistent or infinitely many solutions.  ax+by=c^2 a+x/b=b+y/a , a≠o,b≠o
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Linear Equations Integers

08/28/16

What is the equation for this statement ?
The quotient, of the product 25 and an unknown number, and 45 is -65
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08/04/16

Math Help? *MULTIPLE CHOICE*
In the equation y = kx, k represents the ____________________. A. constant of change B. variability quotient C. scalar D. constant of variation
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Linear Equations

07/26/16

they charge an initial amount of 70$ plus 5$ for every kilometre. write an equation to represent this relation
use the letter c to represent the cost and the letter k to represent the number of kilometers 
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Linear Equations Mathematics Tables

07/17/16

RELATIONS 3
x y-3 -3-2 -1 -1  1 0   3 1   5 x goes up by +1 each time.y goes up by +2 each time.For this linear relation, develop the equation for the relation.   I do not understand!! Please please help!... more
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Linear Equations

07/17/16

Relation 3
x y-3 -3-2 -1-1  1 0  3 1 5 x goes up by +1 each time.y goes up by +2 each time.For this linear relation, develop the equation for the relation.
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