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Question 68632: 1/2 - 3m/4 + 7 - 4m - 9 - m/28
Click here to see answer by checkley71(8405)

Question 68599: x*x-x+2x
Click here to see answer by checkley71(8405)

Question 68661: How do I find the value of x for this equation below
x+2x+5=x+19
Click here to see answer by checkley71(8405)

Question 68662: how do I found the value of x for this equation x+2x+5=x+19
Click here to see answer by rmromero(383)

Question 68660: how do I found the value of x for this equation x+2x+5=x+19
Click here to see answer by rmromero(383)

Question 68695: Two cars are driving in opposite directions, one at 55mph and the other at 65 mph. How long will it take before the cars are 300 miles apart.

Click here to see answer by checkley71(8405)

Question 68697: x/6 - x/8 = 1 In this problem I have to solve and check for x. I tried the following:
x/6 4/24
-
x/8 3/24

1/24
Is this correct or did I do something wrong?
Click here to see answer by checkley71(8405)

Question 68702: 3y-9/5=3
Click here to see answer by checkley71(8405)

Question 68702: 3y-9/5=3
Click here to see answer by rmromero(383)

Question 68700: Please help- I am so lost on this one!:
-2x+5x-9=3(x-4)-5
3x-9=3x+-12+-5
3x-9=3x+-17
+9 +9
3x=3x-8
3x/3=3x/3-8
x=x-8
+x+x
2x/2=-8/2 x=-4
so at what point am I going wrong? thanks!
Click here to see answer by stanbon(26291)

Question 68703: 6x for each value of x. x=2/3
Click here to see answer by stanbon(26291)

Question 68707: The difference between two numbers is 16. Five times the smaller is the same as 8 less than the larger. Find the numbers. I'm having trouble finding the equations.
Click here to see answer by stanbon(26291)

Question 68712: how do you work out the pro. cubed rootof 54-cubed root of 24 simplify

thankyou amy

Click here to see answer by stanbon(26291)

Question 68679: expand and simplify as much as possible: (2 square roof of r + 2)(4 square root of r - 3)
Click here to see answer by stanbon(26291)

Question 68811: Solve for x. I did the following.
20 (2)=5*x-2
40=5x(-2)
40=-10
x=4
I believe I did it wrong but I am not for sure. Thank you in advance.
Click here to see answer by checkley71(8405)

Question 68869: The diameter of Earth is about twice that of Mars. The diameter of Mars is about three times that of Pluto. Together, the sum of the diameters of Earth, Mars, and Pluto is about 30,000 kilometers less than the diameter of Uranus. If the diameter of Uranus is about 52,000 kilometers, what equation would be used to find the approximate diameter of Pluto?
Click here to see answer by ankor@dixie-net.com(6693)

Question 68955: Please help me with Motion Problems-
A train starts from Grand City and travels toward Belleville 388 miles away. At the same time, a train starts from Belleville and runs at the rate of 47 miles per hour toward Grand City. They pass each other 4 hours later. Find the rate of the train from Grand City.
I don't know how to solve it exactly. Thank you for your time.
Click here to see answer by ankor@dixie-net.com(6693)

Question 68983: how do you do ratios and percentages?
Click here to see answer by josmiceli(3012)

Question 68988: problem situation this equation represent. C=3.14x
Click here to see answer by stanbon(26291)

Question 68987: situation that match the equation. W=36devied by A.
Click here to see answer by stanbon(26291)

Question 69158: Write the equation of the line L satisfying the given geometric conditions.
L has y-intercept (0,2) and is perpendicular to the line with equation
2x - 3y = 6.
Click here to see answer by stanbon(26291)

Question 69156: Write the equation of the line L satisfying the given geometric conditions.
L has y-intercept (0,-3) and is parallel to the line with equation
y = 2/3x + 1.
Click here to see answer by checkley75(3666)

Question 69303: 1. 7x+6=3x+50
2. 6x+1=4x+15
3. 3x+2=-7+4x
4. 7x+10=26+5x
Click here to see answer by josephballard14(3)

Question 68815: How do you simplify this formula?
RT =1/
1/R1 + 1/R2
How do I even begin with this problem? Thank you in advance for your help.
Click here to see answer by stanbon(26291)

Question 69364: of the 427 people responding to a public opinion poll, 224 answered Yes to a certain question and 154 answered No. What percent of those responding were undecided? Answer should be to the nearest tenth of a percent.
Click here to see answer by checkley75(3666)

Question 69380: x+3+2x=5+x+8
Click here to see answer by funmath(2873)

Question 69353: If 4 - 3x = 24 + 2x, evaluate 3x2 - 2x + 4
the 3x2 is 3 x to the second power.
Solve 3 + 2[4x - 3(5 - x 0] = 3(x - 20)

Three-fifths of a number is negative thirty. Find the number.
A rectangular vegetable grden has a perimeter of 64 ft. The length of the garden is 20 ft. Find the width of the garden.
Click here to see answer by stanbon(26291)

Question 69421: solve 5-x=3(2-x)+2x
Click here to see answer by funmath(2873)

Question 69439This question is from textbook Elementary Algebra

: Please and thank you for the help. I am missing something and can't figure out what I've done wrong.
1. 2/3 + 4t = 6t - 2/15
2. 0.76 + 0.21t = 0.96t - 0.49
3. 1/3x + 2/5 = 4/15 + 3/5x - 2/3
Thank you!This question is from textbook Elementary Algebra

Click here to see answer by stanbon(26291)

Question 69469: Find the axis of symmetry
Y = x^2 + 5x - 7
A) X = 5
B) X = -5
C) X = -5/2
D) x = 5/2
I have four answers but I do not understand how to get to this point, can anyone help me out? Thank you
Click here to see answer by Nate(3495)

Question 69474: Solve:
5(x-2)^2 = 3
Thank you for helping me!!!
Click here to see answer by stanbon(26291)

Question 69500: Solve: 9x^2 = 14
Can someone please give me hand in this? Thank you
Click here to see answer by Nate(3495)

Question 69446: I need help on solving this equation. it says to Write an equation in standard form for the line whose slope is undefined and passes through (-6, 4). I have spent a really long time working on this and cannot figure out where to start. Please help me.
Click here to see answer by ankor@dixie-net.com(6693)

Question 69510This question is from textbook Beginning Algebra

: How do I solve -7x = -26+6x ?This question is from textbook Beginning Algebra

Click here to see answer by Nate(3495)

Question 69503: Find the constant term that should be added to make the following a perfect square trinomial:
x^2 + 7x
Multiple choice:
a)49
b)49/2
c)7/2
d)49/4
Thank you for your help
Click here to see answer by stanbon(26291)

Question 69496: Solve by using the quadratic formula
5x^2 + 5x = 3
Can anyone help me out with this problem please? Thank you
Click here to see answer by checkley75(3666)

Question 69452: A bottle and a cap together cost $1.10. The bottle cost $1.00 more than the cap. How much does each cost?
Click here to see answer by jim_thompson5910(13794)

Question 69520This question is from textbook Beginning Algebra

: Please help! How do I solve the following equations?
(a) -x+12=-4+x
(b) 3(x-2)+2=2(x-4)
(c) x/5 - x/3 = 8/15
(d) I = Prt Solve for rThis question is from textbook Beginning Algebra

Click here to see answer by Earlsdon(4900)

Question 69487: The demand and supply equations for a certain item are given by:
D = -5p + 40
S = -p^2 + 30p -8
Find the equilibrium price. Is the P the price? or is the d and s the price? Thank you!
Click here to see answer by justsmilexx(8)

Question 69479: Solve by completing the square x^2 = 5x + 2
Please help me with this, thank you
Click here to see answer by jim_thompson5910(13794)

Question 69542: Arnold had $1.70 in dimes and quarters. HE had 3 more dimes than quarter. How many of each coin did he have?
Click here to see answer by tanimachatterjee(60)

Question 69549: p divided by -7 + 1 = 7
Click here to see answer by funmath(2873)

Question 69550: x divided by 9 + x-3 divided by 6 = 27
Click here to see answer by funmath(2873)

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