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Linear Equations

03/07/16

Linear Systems

Shirley walked a certain distance, then returned along the same route. She walked 10km/h going and returned at 8 km/h. How far did she walk if the route trip took 9 h?

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Linear Equations

03/05/16

Write an equation for a line parallel to f(x)=-5x-3 and passing through the point (2, -12).

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Linear Equations Algebra 1 Linear Algebra Algebra Help

03/03/16

How to turn point-slope linear equation into standard form

How would I turn the point-slope form linear equation into standard form? Y - 3 = 3 (x + 1)

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Linear Equations Linear Algebra Maths Parallel And Perpendicular Lines

03/01/16

Please help me with the following 3 questions on linear and include all steps.

1) Find the equation of the line:a) Through the point (5-,8), parallel to the line 2x-7y=2b) Though the point (4,0), perpendicular to the line 2x-7y=22) Solve the following systems of equations for... more

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Linear Equations

02/28/16

If 4-3a=7-2(2a+5), evaluate 3a^2 - 2

hi , I need help solving the linear question : If 4-3a=7-2(2a+5), evaluate 3a^2 - 2

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Linear Equations

02/27/16

Find the speed of the boat in still water and the speed of the current.

Solve by two linear equations using elimination or substitution. It took a patrol boat 5 h to travel 60 km up a river against the current, and 3 h for the return trip with the current. Find the... more

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Linear Equations

02/24/16

Hi I was wondering how to create a linear equation of the form y=Aeto the power of Bx using the values in the table.

Hi I was wondering how to create a linear equation of the form y=Aeto the power of Bx using the values in the table. X values are 0,1,2,3,4,5,6,7 and the log y values are 0.693, 1.193, 1,693,... more

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Linear Equations Maths High School Math Help High School Maths

02/19/16

Hi. Please help me with the following mathematical problems.

1) Show that the 3 lines with equations 2x+3y=0, x-8y=19 and 9x+5y=17 are concurrent. 2) Find the coordinates of the Point of Intersection of each of the following pairs of lines: a) 4x-3y=13... more

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Linear Equations Substitution Method Elimination Method

02/18/16

question about linear equations using substitution or elimination

in part of a fundraising campaign, logan organized a dog show. The cost to rent the park was $1300 plus $2.50 per person for the snack bar fee. logan charged $5 for each student ticket and $8 for... more

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Linear Equations Word Problems

02/09/16

How old are they now

kevinnis three times as old as Bob. Three years ago the sum of their age was 26. How old is each now?

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Linear Equations Algebra 1 Algebra Equations

02/09/16

I really need urgent help for this question... What do they mean by determine the conditions? What conditions? And how do I do the question?

Consider the simultaneous equations px-y=6,8x-2y=q determine the conditions that p and q must satisfy of the simultaneous equations have (i) an infinite number of solutions(ii) no solution,(iii) a... more

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Linear Equations Math

02/08/16

I math problem

THERE ARE 26 STUDENTS IN YOUR CLASS. THERE ARE FOUR MORE GIRLS THAN BOYS. USE A SYSTEM OF LINEAR EQUATIONS TO FIND HOW MANY BOYS AEE IN YOUR CLASS. HOW MANY GIRLS ARE IN YOUR CLASS?

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Linear Equations Short Answer

02/08/16

Urgently need help with short answer linear equations

I bought x cards for $c each and y envelopes for $d each. The average price of each item, in dollars, is:

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Linear Equations

02/07/16

Short answer linear equation

A shopkeeper mixed a herb worth $2.50 a kg with another herb worth $3.50 a kg. He sold 20kgs of the mixture at $2.8 per kg. Find the weights of the two different herbs e mixed together.

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Linear Equations Algebra 1 Linear Inequalities Graphing

02/07/16

The birth rate B of multiple births as a function of age a is given by the function B (a) = 1.73a - 14.56 for 15 < or equal to 15 < or equal to 44.

The birth rate is the number of births per 1000 women. A multiple birth rate is any birth with 2 or more children born. A) What are the independent and dependent variables? B) What is the domain... more

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Linear Equations

02/07/16

A cyclist travels m km at v km/h and n km at u km/h. The average speed of the cyclist is:

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Linear Equations Algebra Math Help

02/03/16

I need need help with this linear equation

A=P(1+rt) solve for r My answer was(A-P)/Pt=r but my math teacher said that its wrong and I'm having trouble figuring out what it is

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Linear Equations

02/01/16

Finding the linear cost

Joanne sells? silk-screened T-shirts at community festivals and craft fairs. Her marginal cost to produce one? T-shirt is $ 3.50. Her total cost to produce 50 ?T-shirts is $ 255, and she sells them... more

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Linear Equations

01/31/16

A teacher and an athlete have a race. Determine the outcome.

Andrew challenges his teacher to have a race with his cousin which is Usain Bolt and he says if he wins he has to give him an A in math. If he doesn't he'll make up all his homework. 15 seconds... more

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Linear Equations

01/29/16

To produce x units of a religious medal costs

To produce x units of a religious medal costs C(x)= 18x+63. The Revenue is R(x)= 27x. Both cost and revenue are in dollars. a.Find the? break-even quantity.b. Find the profit from 470 units.c.... more

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