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Question 45165: solve the following system by substitution.

4x -12y= 5
-x +3y=-1
Click here to see answer by venugopalramana(3286)

Question 45159: Solve each of the following systems by addition.If a unique solution does not exist ,state whether the system is inconsistent or dependent.

problem 12 I got wrong:

2x+ 3y =1

5x+ 3y = 16
Click here to see answer by Nate(3495)

Question 45076: Please help to show work
2x^2-11x=-5 (by factoring)
Click here to see answer by checkley71(8405)

Question 45160: Solve each of the following systems by addition.If a unique solution does not exist ,state whether the system is inconsistent or dependent.

x + 5y =10
-2x -10y =-20
Click here to see answer by rapaljer(3620)

Question 45313: I got this wrong..I'm totally lost thank you

Practice 8.1 example 26:

Find the values for m and b in the following system so that the solution to the system is

(-3, 4)

5x +7y=b
mx+ y =22
Click here to see answer by tutmath(14)

Question 45293: Divide. Write the result in simplest form.
3 1/5 divided by 2 2/3
Click here to see answer by mathgenius(8)

Question 45291: Which of the following is not a fractional representation for 2/7?
a. 4/21
b. 8/28
c. 4/14
d. 6/21
Click here to see answer by mathgenius(8)

Question 45290: One recipe calls for 1/4 teaspoon vanilla. A second recipe requires for 1/2 teaspoon vanilla flour, and a third recipe calls for 1/8 teaspoon vanilla. How much vanilla is requied to make all three recipes? I know I use the 8 because it is the gcf but what do I do now?
Click here to see answer by mathgenius(8)

Question 45292: Evaluate.
[-11]-[-8]
Click here to see answer by Nate(3495)

Question 45352: I got this wrong, can you please help me. Solve the following system by addition.If a unique solution does not exist,state whether the system is inconsistent or dependent.
Section 8.2 problem 20:
x+ 5y =10
-2x -10y = -20
Click here to see answer by stanbon(26259)

Question 45374: im havin trouble with this equation can you solve it and show me wat to do
5p+8(3p+4)=264
Click here to see answer by fractalier(1804)

Question 45373: im havin trouble with this equation can you solve it and show me wat to do
5p+8(3p+4)=264
Click here to see answer by fractalier(1804)

Question 45370: find the value of y when y=.25x+2
Click here to see answer by fractalier(1804)

Question 45323This question is from textbook

: 26r-2=3r to 2nd power... Use quadratic formula to solveThis question is from textbook

Click here to see answer by tutorcecilia(2042)

Question 45424: The angle of depression from the top of a building to apoint on the groudn is 32 deg 30'. How far is the point on the ground from the top of the building if the buildlng is 252 m high?
ashley917@netzero.net
Click here to see answer by stanbon(26259)

Question 45414: y=x+1. What are the steps in solving this equation.
Click here to see answer by checkley71(8405)

Question 45467: how do i solve these equations? Please show step by step. thanks
Find the roots of x to the second power + 11x= -30?
Find the roots of 3x to the second power + 2x-4=0?
Find the roots of x to the second power -8+17?
Click here to see answer by checkley71(8405)

Question 45411: Can you show me the steps to solve this problem?
Find the maximum value of p=5x+2y under the following conditions.
x>0 y>0 2x+y<10 x+y<7
All symbols are greater than or equal to, or less than and equal to.
Thanks in advance.
Click here to see answer by stanbon(26259)

Question 45468: I need help solving this complex fraction:
5+4/x/5-4/x^2
Is 5x^2+4x/5x^2-4 the furthest it reduces to, or can the 5x^2 be cancelled out?

Thanks!!!!
Click here to see answer by stanbon(26259)

Question 45526: problem: solve for w: 7 (is less then /equal to 5 minus 2w is less then/ equal to 14
Click here to see answer by tutorcecilia(2042)

Question 45559: Sketch the graph of the rational function.
f(x) = x(x+1)/(x+2)^2

Click here to see answer by Nate(3495)

Question 45556: I'm lost.. Solve the system by graphing :(

Click here to see answer by prabhjyot(164)

Question 45582: I've problem to solve for 'y'. Please kindly help to solve for 'y'. Thank you.
(k1y/t)+[k2(y/t)^3=qa^4/Et^4
y=?

Please note: k1, y, t, k2, q, a, E
Click here to see answer by stanbon(26259)

Question 45561: Give the equation of the specified asymptote(s).
Vertical asymptote(s): f(x) = x-9/(x^2-36)
Click here to see answer by Nate(3495)

Question 45557: Graph the function.
f(x) = 1/(x) + 4

Click here to see answer by Nate(3495)

Question 45542: Use synthetic division
x^2+11x+24/(x+3)
Click here to see answer by jake_6233(74)

Question 45563: Give the equation of the specified asymptote(s).
Horizontal asymptote: h(x) = 4x^2-2x-9/(5x^2-5x+9)
Click here to see answer by stanbon(26259)

Question 45554: Find a polynomial of lowest degree with only real coefficients and having the given zeros.
1+ square root of 3,1- square root of 3, and 7
Click here to see answer by Nate(3495)

Question 45550: Give all possible rational zeros for the following polynomial.
p(x)= x^3-6x^2+3x-24
Click here to see answer by Nate(3495)

Question 45548: Use the factor theorem to decide whether or not the second polynomial is a factor of the first.
9x^4+19x^3-2x^2+x+4;x+2
Click here to see answer by stanbon(26259)

Question 45552: Find all rational zeros and factor f(x).
f(x)=12x^3+73x^2+5x-6
Click here to see answer by Nate(3495)

Question 45599: Graph the polynomial function.
f(x) = -2x(x + 2)^2

Click here to see answer by adamchapman(301)

Question 45600: Use synthetic division to decide whether the given number is a zero of the given polynomial.
2; f(x) = -x^4 - 4x^2 + 3x + 26
Click here to see answer by Nate(3495)

Question 45648: x+5y+3z=4
4y+2z=6
z=-3
solve
Click here to see answer by checkley71(8405)

Question 45738: substitution method
y=13-3x
2x+9y=-8
Click here to see answer by fazlerabbi(9)

Question 45774: Solve the equation.

Click here to see answer by atif.muhammad(135)

Question 45810: solve
x+2y=0
x-2y=12
Click here to see answer by checkley71(8405)

Question 45816: solve by elimination
x-3y=-16
-3x-3y=0
Click here to see answer by checkley71(8405)

Question 45816: solve by elimination
x-3y=-16
-3x-3y=0
Click here to see answer by venugopalramana(3286)

Question 45690: x+y=-9
x-y=14
solve bu substitution
Click here to see answer by venugopalramana(3286)

Question 45815: solve by substitution
x+y=-9
x-y=14
Click here to see answer by checkley71(8405)

Question 45840: solve by substitution method
x+y=-9
x-y=14
Click here to see answer by stanbon(26259)

Question 45842: 3x-9y=10
15x-45y=20
i took 5 times the first equation
which gives me 15x+45y=50
is that correct?
Click here to see answer by longjonsilver(2297)

Question 45841: elimination method
3x-9y=10
15x-45y=20
I multiplied the first equation by 5 which gives 15x+45y=50
15x-45y=20
___________
30x = 70
is that right?
Click here to see answer by tutorcecilia(2042)

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