11/07/14

Use the substitution method to solve the system of equations. 4x-8y=0 , x^2 + y^2 = 25.?
Use the substitution method to solve the system of equations. 4x-8y=0 , x^2 + y^2 = 25.? ? Follow publicly? Follow privatelyUnfollowUse the substitution method to solve the system of equations. ... more
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11/07/14

write an equation of a parabola with a vertex at (2,-2) opening upward and going through the point (3, -1)
please help
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11/07/14

I need to find the annual interest rate
You make an investment of $3000 in an account in which interest is compounded annually. This investment grows to $3215.96 after 5 years. What is the annual interest rate?
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11/07/14

Craig drives 20 km/h Faster than Marilyn. In the same time that Marilyn drives 225km, Craig drives 325 km. Find the speed of each car.
Craig drives 20 km/h Faster than Marilyn. In the same time that Marilyn drives 225km, Craig drives 325 km. Find the speed of each car.
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11/07/14

I need help on a n algebra 1 word problem
When measured on a particular scale, the weight of an object may vary from its actual weight by almost 0.4 lb. if the reading on the scale is 125.2 lb, find the range of actual weights of an... more
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11/06/14

There are 21 boys in math class. If 75% of the class are girls, how many kids are in the class?
I originally said 49 students because if you do 21/x+75/100 and cross multiply you get 28 and i added 21 and 28 together but what is the right answer and steps
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11/06/14

3 grade math word problem
A marches band in rows of 5.  Each row is 6 people.  Four people are holding flags.  How many people are in the marches band?
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11/06/14

Find the expression.
on Saturday Alberto filled his right rear tire with air at the gas station around the block from where he lives. Three days later the tire pressure in that tire measured 26 PSI. On the following... more
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11/06/14

nan had 7 jacks. then she bought some packs with 6 jacks in each pack. nan now has 55 jacks. how many packs did she buy?
Need an answer
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11/06/14

Please help!
f(x)=(x+10)^2 to the right 14 units f(x)=x^2+7 upward 10 units
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11/06/14

The stride of a man is 2 1/4 ft. the stride of his wife is 1 7/8 ft. how many of the wife's strides are needed to equal 50 of her husband's strides?
The stride of a man is 2 1/4 ft. the stride of his wife is 1 7/8 ft. how many of the wife's strides are needed to equal 50 of her husband's strides?
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11/06/14

Solve the quadratic equation by factoring first and then by using the method of completing the square
x2+6x=16
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11/06/14

How do I figure 6(6+Y)
What is the process?
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11/06/14

Solve each side factoring
need help solving each side of the square picture below i cant draw it:   http://assets.openstudy.com/updates/attachments/545b976de4b04ccc2592f2a4-nickymail48-1415288703332-untitled.png
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11/06/14

Area of a parallelogram whose altitude is 11 inches and whose base is 4 inches
Find the area of a parallelogram whose altitude is 11 inches and whose base is 4 inches
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11/06/14

Hi i am new to, can i ask pretty much any question here and someone answers it? does that count as tutoring and how much do questions cost? thank you!!!
I just want some information to tell my mom especially about paying. thank you.
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11/05/14

determine whether 117 is prime or composite by using the square root theorem
hint- begin by taking its square root
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11/05/14

Find the angle that is supplementary to ?.
Find the angle that is supplementary to θ.(a) θ = 46°59'37'' = ?° ?' ?'' (b) θ = 136.39° = ?°
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11/05/14

Please help with this. The website I got this from didn't explain the solution very well
A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is the boat's speed in four hours? How fast did the boat travel one... more
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11/05/14

Calculus Help HELP
Consider the following descriptions of the vertical motion of an object subject only the acceleration due to gravity. (Note: the acceleration due to gravity is 9.8 m/s2)   a. Find the velocity of... more
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11/05/14

Draw a Dilation of the Polygon With the Given Vertices Using the Given Scale Factor of K. A (0,0), B (0,3), C (2,4), D (2, -1). K= 13/2.?
I need help with this, as my math teacher does not explain things well in class. She decided to teach this lesson knowing that only 15 minutes of class remained; thus making me confused.
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11/05/14

how do I solve for x in the equation: 2/3 = ln2x
please show working and also explain why you do it how you do it. Thanks! :)
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11/05/14

LCM of 27 28 30
help!!!!!!!!!!
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11/05/14

. Six more than five times my number is equal to 994 less than six times my number. What is Joey's secret number?
I need help because I don't know how to set up this problem
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11/05/14

What is the linear speed of a point on its rim, in centimeters per minute?
A flywheel with a diameter of 12 cm is rotating at a rate of 6 radians per second.
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