01/17/14

Write the equation of the line which passes through (1, 2) and with slope of - 1 3 in standard form.
I have already completed the question but I am confused on how I got the the answer. y−y1 = m(x−x1)y−2 = -1 3•(x−1)y−2 = -1 3x+13   13x+y = 73   3• 1 3 x+3•y = 3•73   x+3y = 7   How did... more
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01/17/14

500: x=200:1
I have never seen an equation set up like this before. What do the colons represent? I'm sure it's a very simple equation and I'm stumped.
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01/17/14

Compound Interest and Exponential Functions
How much money should you put in a savings account now that earns 5% a year compounded daily if you want to have $32,000 in 18 years?    Would my formula be right going off the model... more
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01/17/14

what is the equation for the line that is parallel to y=-2/3x+12 and passes through pionts 5,-3
 I would like to know the answer and formula used for this and if it was perpendicular what answer would it be
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01/16/14

Me. Peterson wrote a check of 7820 to pay off a loan, which was given to him at a rate of 5 percent simple interest for 3 years. How much money did he borrow or
originally
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01/16/14

Please help me to solve this problem 6c+3/4=8
Ive tried Taking the 6 away on both sides. I dont know how to get rid of the 3/4 either. should I use the distribute property or what? I'm lost 
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01/16/14

Write an equation in slope-intercept form for the line that passes through (-5,3) and is perpendicular to the line described by y= 5x.
Write an equation in slope-intercept form for the line that passes through (-5,3) and is perpendicular to the line described by y= 5x.
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01/16/14

21000=7000(1+.15/1)
suppose william has only $7000 but still wants $21000 for a car. He finds a bank offering  15% interest compounded annually. How long will he have to leave his money in the account to have... more
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01/15/14

if x+7=55 x=48 how do you find the value for y
if the problem is x+7=55 and the value of x=48 how do you find the value of y int the problem x+7=55
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01/15/14

How do you solve this?
As a salesperson,Jonathan is paid $50 per week plus 3% to the total amount he sells. This week,he wants  to earn at least $100. Write an inequality with integer coefficients for the total sales... more
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01/15/14

find the zeros of the function algebraically f(x)= 49x^4- 36x^2
i just dont understand, ive tried and tried graphing it in my calculator and tried to find the zeros but i cant figure it out
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01/15/14

how do i change an equation with fractions to a regular equation in standard form
It says Y = 9/4 + 3/2     WRITE IN STANDARD FORM   I don't understand it gives me some answer choices but each one doesn't include fractions in the answer.
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01/15/14

Linear Equations - y but not x? Is it the same as just an x?
I have a problem with linear equations. What if there is just a y, and no x? On my homework, the question is, "Solve -4y = 16"    
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01/15/14

How do I go about factoring this? (-7y^4 + 9 - 9y^2) - (6 - 2y^4)
I simply am not grasping enough of the content that I have been trying to absorb for about five hours.
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01/14/14

Bob measured his pulse and found that his heartbeat at a rate of 80 Beats A minute. At this rate how many days will it take his heart to beat 1,000,000 times
I need this for math and Im very lost , can you please help 
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01/14/14

a hot air ballon leaves the ground in climb to 170 feet if it than climbs an additional 80 feet how far above is the ground is the ballon
a hot air ballon leaves the ground in climb to 170 feet if it than climbs an additional 80 feet how far above is the ground is the ballon
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01/14/14

find the slope of the line y = 8 and x = -5 or are they undefined
please show your work so I can know how to do this
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01/14/14

A 16 ounce can of juice concentrate is mixed with 36 ounces of water. How many 6 1/4 ounce servings can be poured?
I wrote 8 and got it wrong. I cant figure it out.
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01/14/14

Distance formula: d=rt,if r =50mph and d=125mi
I've tried evereything
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01/14/14

explain how to solve the following equation using mental math?
2x +5 = 4x=8
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01/14/14

A home stereo depreciates by 20% each year. What’s the value of a stereo, purchased new for $1,200, after two years?
I need to know how to breakdown this equation. It's a multiple choice on a practice test and I am stuck on percentages. I did 1200x.40=480.00 but that is not one of my answer choices. Please give... more
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01/14/14

graph the equation 9x-9y=-81 using the x and y intercepts
graph the equation 9x-9y=-81 using the x and y intercepts
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01/14/14

Math is hard to me is it to you all?
9*(2+3)/2*4+7
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01/13/14

solve the equation
(1/x-2)2+(2/x-2)-15=0 solve the above equation
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01/13/14

1/2+ 1/4 change to improper fraction
how do I add 1/2+1/4 and change it to improper fraction  
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