12/16/14

Maria drives 66 mph and Ming drives 45 mph. How far apart will they be in 3 hours?
i need help doing this problem
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12/16/14

how do you solve the equation 5x + 4y = -1?
 how do you solve this and what would the answer be to this I just simply cant figure this out!   5x + 4y =-1 -7x -2y=-13
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12/16/14

pg.169 #38 7th grade math book
You mix 2/5 cups of red paint for every 1/4 cup of blue paint to make 1 5/8 gallons of purple paint.   A. How much red paint and blue paint do you use?   B. You decide you want to make lighter... more
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12/16/14

$28.20 for 3 small dishes and 5 large dishes. $23.30 for 4 small dishes and 3 large dishes. What will 2 small and 4 large dishes cost?
I rlly dont understand how to set this up and use the substitution way of solving system of equations word problems so can someone helppp! 
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12/16/14

use the formula to evaluate the series 1-2+4+8+...-a10
hchjfjhfghjccf
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12/16/14

greg drove at a constant speed in a rainstorm for 280 miles. he took a break and the rain stopped. he then drove 176 miles at a speed that was 4 miles per hour
per hour faster than his previous speed. if he drove for 11 hours, find the cars speed for each part of the trip
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12/15/14

Difference in population
A city's population in the year 1960 was 287,500. In 1989 the population was 275,900 compute the scope of the population growth or decline and make a statement about the population rate of change... more
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12/15/14

Word problem of rectangular garden.
amie plans to use part of her back yard to plant a rectangular garden. if the length is to be 21 feet greater than the width and the area of the garden is 100 sq ft, find the dimensions of the... more
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12/15/14

The length of the longer leg of a right triangle is 16ft more than four times the length of the shorter leg.
The length of the longer leg of a right triangle is 16ft more than four times the length of the shorter leg. The length of the hypotenuse is 17ft more than four times the length of the shorter leg.... more
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12/15/14

If x^3+y^3=200 and xy(x+y)=100, what is the value of (x+y)^3
I also need the work used to find answer
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12/15/14

high school musical
there is only one freshmen in the cast of the high school musical. There are 6 sophomores and 11 juniors. One third of the cast are seniors. How many seniors are in the musical.
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12/15/14

multiples of 12
Math
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12/15/14

Determine the number of miles and cost
John needs to rent a 24 foot truck for one day to help his family move to a new house. Budget charges $50 plus 79 cents per mile. Ryder charges $40 plus 99 cents per mile. Determine the number of... more
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12/15/14

The hypotenuse of a right triangle is 10inches long. The shorter leg is 2inches shorter than the longer leg. Find the side lengths of the triangle.
The hypotenuse of a right triangle is 10inches long. The shorter leg is 2inches shorter than the longer leg. Find the side lengths of the triangle.   shortest leg longer leg hypotenuse
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12/15/14

Find the width
The outside dimensions of a picture frame are 28cm by 23 cm. The area of the picture is 414 square centimeters. Find the width of the frame itself.    A). Give the answer for the width of the... more
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12/15/14

Create the equation of the line that is perpendicular.
Create a line perpendicular to the line that goes between the points (-7,0) and (0,13)
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12/15/14

In my first step of solving this three step equation i eliminated both my x and z what do I do next
X+y-2z=8 5x-3y+z=-6 -2x-y+4z=-13   2(x+y-2=8) -2x-y+4z=-13   2x+2y-4z=8 -2x-y+4z=-13
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12/14/14

Difference in rate
A gym membership two personal training sessions cost $125 while gym membership with five personal training sessions cost $260 what is the rate for personal training sessions.
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12/14/14

how many people all together? How many kids live there?
Ratio of men and women to kids in newtown 6:7:3. There are 42,000 women.
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12/14/14

9.4 #13 word problem
A rectangle has a length 2m less than twice its width. When 5m are added to the width, the resulting figure is a square with an areas of 144m squared. find the dimensions of the original... more
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12/14/14

Sonia is walking home from a friends house after two minutes she is 1.4 miles from home 12 minutes after leaving she is .9 miles from home what is her rate
Sonia is walking home from a friends house after two minute she is 1.4 miles from home 12 minutes after leaving she is 0.9 miles from home what is her rate 
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12/14/14

How do I solve?
Assume f(x) = 2x + 8 and g(x) = 5. What is the value of (g o f)(3)? 5 70 18 15
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12/14/14

Identify the solution(s) of the system of equations, if any.
9x+2y=6 8x-2y=6   Possible answers:   17/12, -27/8 0,3 12/17, -3/17 12,-51
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12/14/14

11/14 i^(5)
I need help with this question
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12/14/14

theta equals five pie over four
θ=5π⁄4
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