1,081 Answered Questions for the topic Equations

Equations

10/21/14

write an equation using the variable X to model this situation.

Mary put new tiles on her kitchen floor.  The floor measures 6 feet long by 5 feet wide. She used 10 tiles to cover the entire floor. Each tile was 3 feet long. Write an equation using the variable... more
Equations Algebra 2 Math Help

10/19/14

how do I write an equation with:

-Having  y-intercept 6 and parallel to the x-axis   -Having the x-intercept be -4 and parallel to the y-axis
Equations Expressions

10/18/14

Baily is five years younger than Ann. Three years from now, Ann will be twice as old as Baily. Let x represent Baily's age today.

A. Write an equation for Ann's age today. B. Write an expression for Baily's age in three years. C. Write an expression for Ann's age in three years. D. Write an equation that represents the... more
Equations

10/16/14

Solving equations

How to solve a number minus 17 divided by 2 squared equals 1
Equations

10/16/14

Tables and Equations

Make a table, write an equation, graph the equation.   1.Amanda’s family is buying a new vacation house in Hawaii. They are looking at different lot sizes. They want a rectangular lot with a... more
Equations

10/07/14

(x^2-5)-4(2x+7)+(x^2-6x)

Simplify.
Equations

10/07/14

2x(x+5)^2(x-3)

For each function (a) apply the leading-term test (b) determine the zero's and state the multiplicity of any repeated zero's (c) find a few additional points and then (d) graph the function 
Equations Word Problem

10/07/14

I need to figure out the equation(s) needed for the following word problem:

A train has 2 kinds of carts. The wooden cart can hold 300 m^3 of material and has a mass of 1 ton. The metal cart can hold 80 m^3 of material and has a mass of 25 tons. If the mass of an empty... more

09/23/14

Mathematics

B is any point on the curve y2=2x and A is a fixed point with coordinates (2,6). Find the equation of the curve trace by the mid-point of AB.   Ans: y2-6y-x+10=0   Thank you! :)

09/16/14

How many soultions

How many solutions does the following system of equations have? 2y=5x + 4y=3x + 2A.) TwoB.) ZeroC.) One D.) Infinitely many

09/16/14

Algebra 2 question

What is the domain & range of 1/sqrt x+4

09/15/14

Find an equation for the line through the point P= (4,-3) with slope -2.

Find an equation for the line through the point P= (4,-3) with slope -2.

09/11/14

Algebra 2 question

Which of the following is a correct equation for the line passing through the point (-2,1) and having slope m=1/2    Check all that apply   A. y=1/2x + 2   B.y=-2x + 1/2    C. x-2y=... more
Equations Math Math Help Matrix

09/10/14

Matrix A( Matrix B+Matrix C)=?

Matrix A= 7  -7          Matrix B=3   0   -1          Matrix C=x   1   w                0   8                         2   -1   1                        z   r    4                0  -8   I need... more
Equations

09/08/14

how do you solve 5x + 2=90?

Leila ran in a 5- kilometer race to raise money. Each sponsor donated $2.00 for each kilometer that she ran. She raised $90.000. How many sponsors did she have?   I set up the equation 5x+2=90,... more
Equations

09/03/14

How do you solve equations with varibles?

for example: 2y+3y+6=-4
Equations

09/02/14

The system of equations is it consistent, dependent, independent, or none or of the above

Is the equation consistent,dependent,independent,or none of the above y=3x-7 or y=3x=5 

09/01/14

Write an equation in standard form for a line passing through A(-2, 3) and B(3,4)

I wanted to check whether the answer that I got was correct. The answer I believe it to be is x-y=1. Is this right?

09/01/14

Write an equation of the line perpendicular to the graph of x=3 and passing through D(4, -1)

I am completely stumped on this question and would really appreciate if someone could explain this for me! 
Equations Algebra 1 Math

08/26/14

-m-2(-6m-6)=89

how to solve a equation:   -m-2(-6m-6)=89

08/26/14

Determine the standard form of the equation of the line that passes through (-7, 8) and (0, -8)

Another question I am stumped on is determine the standard form of the equation of the line that passes through (9, -4) and (6, 4).

08/16/14

Describe and correct the error

  k   +   5   =     -2k        k+5    k+3    k2 +8k+15LCD= (k+3)(k+5)k(k+3)+5(k+5)=-2k k2 +3k+5k+25=-2k  k2 +8k+25=-2k k2 +10k+25=0        (k+5)2 =0             k=-5     

08/16/14

Simplify using long division

1. (12y2 - 39y+15+12y3 )/(2y+5)   4. (w3 - 15w-11)/(w-4)

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