11/03/14

i need to know how fast this bat flew in 4 hours
a bat flying for 6 hours at an average speed of 9 km/h. the bat flew at 11km/h during the first 2 hours of its flight. how fast did the bat fly the last 4 hours?
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11/03/14

Set up a system to find a and g.
In the textbook office is a box of new math books, some for Geometry and some for Algebra 2. A label on the box reads: "Contents: 15 books, Weight: 61 lbs." You know that Geometry books weigh 3... more
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11/03/14

Maria is a sales associate. She earns $325 a week plus 5% commision from her sales . Her goal this week is to earn no less than $550. What must her minimum sale
Need to write an equation or inequality 
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11/03/14

What is the average quiz score? HELP PLEASE! :)
Micah scores 80 on his tenth quiz, increasing his quiz average by 2 points. What is his new quiz average?
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11/02/14

To pass a course with a B grade, a student must have an average of 80 points on 5 tests.
On the first 4 tests, the student's scores were 75,83,86, and 78. What scores can the student receive on the fifth test to earn a B grade?
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11/02/14

Find the exact value of sin ?/2 , given that tan ? = 8/15 and p<?<3p/2
This is for a test review please do it step by step 
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11/02/14

Tom bought 8 apples + 3 cats. Cam bought 8 cats + 3 apples. Tom paid $1.25 more than Cam. How much was each apple if each cat was 45 cents ?
Trying to figure out answer to hard word problem. Need of desperate .
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11/02/14

a grain barge travels on a river from point a to point b loading and
a grain barge travels on a river from point a to point b loading and unloading grIn. the barge travels at a rate of 3 mph relative to the water. the river flows downstream at a rate of 1 mph. if... more
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11/02/14

word problem
proof that for any real number k, (x-k) is not a factor of x^4+x^2+1
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10/31/14

Problem solving?!
What is the area of the largest rectangle with a perimeter of 160?
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10/30/14

problem solving
You have 500 feet of fencing which you want to use to enclose a right triangular area. What is the largest area which you can enclose?
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10/30/14

Calculating fractions in word problem
Softball team divided into 4 groups. 1/2 the players are strong hitters, 1/4 are good pitchers, 1/8 like to paly the outfield, and 2 players are catchers. If each player is in only one group, how... more
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10/30/14

College Algebra 2
A rectangular sandbox is surrounded on all sides by a strip of grass that is 4 feet wide on all sides. The length of the sandbox is 2 feet more than the width, and the total area for the sandbox... more
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10/30/14

Combination/Permutation
Password codes consist of two letters (26 letters in the alphabet), followed by five digits (0-9). How many different password possibilities exist if repetition is allowed? How many different... more
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10/30/14

What is the reciprocal of 2/3,1/7,4
Need help
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10/30/14

You run two miles at an average speed of 8 mi/hr and then walk back at a rate of 4 mi/hr. What is the average speed for the trip? (to the nearest tenth)
You run two miles at an speed of 8mi/hr and then walk back at a rate of 4 mi/hr.  What is the average speed for the trip?
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10/30/14

Gail's Shoes sells shoes at 33% off the regular price.
If the normal price of a pair of shoes is $54, find the price after the discount is given.
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10/30/14

How do i do this problem
If 2 inlet pipes can fill a pool in one hour and 30 minutes, and one pipe can fill the pool in two hours and 30 minutes on its own, how long would the other pope take to fill the pool on its own?
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10/30/14

Hello,I'm trying to simplify the following expression.
√(4a^3*b^-6*x^2)/16a^-3*2b*x^-4)   It's all under the square root sign.The final answer I got was: 64x^8/3b^7/2 But I have no clue if this is correct or not.
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10/29/14

"Cars for you" will rent a car for $11 per day plus $.27 per mile driven. "Rent-a-room" will rent the same car for $26 per day plus $.07 per mile driven.
a) Write an equation that represents the situation when the total rental cost for one day is the same at both rental agencies. b) For how many miles is the total rental cost for one day the same... more
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10/29/14

Math word problems
A truck can travel 120 miles in the same time that it takes a car to travel 260 miles. If the trucks rate is 35 miles faster find the average rate for both
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10/29/14

how to work these 5 problems step by step
x3 × x3   (a5)4   (6x4)3   (7ab3)2   3√54
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10/29/14

how solve and work these radical problems step by step
√45a7b5÷√5ab   √3ab3 × √12a2b   √25x2y8   y11÷y11  
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10/29/14

Two planes leave an airport at the same time, one flying east, the other flying west. The eastbound plane travels
Two planes leave an airport at the same time, one flying east, the other flying west. The eastbound plane travels 140 mph slower. They are 2960 mi apart after 4 hr. Find the speed of each plane.
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10/29/14

2 drains drain a pool in 8 hours. One is 1.5 times faster. How long will it take for the faster one to drain the pool itself?
i have no clue how to set up this problem in order to solve it need help
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