10/06/15

Solving systems by substitution method
solve the system by using substitution method. 2(x+2y)=12-6x=5y-8
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10/06/15

Let U= (a, b, c, d, e, f, 1, 2, 3) and E= (a, b, 2, 3)
Let U= (a, b, c, d, e, f, 1, 2, 3) and E= (a, b, 2, 3) Find E' ( read as "E prime")
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10/06/15

Let D = { j, k, l, m, n, o, p }
Let D = { j, k, l, m, n, o, p } Find the number of proper subsets for D.
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10/06/15

Log3 (27)= 2×
Solve the equation 
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10/06/15

The perimeter of a rectangle is 210 feet. Describe the possible lengths of a side if the area of the rectangle is not to exceed 1350 square feet.
 I got 90 and 15 as my answers but it told me they were wrong, please help.
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10/06/15

help please?!
Suppose we call a number funny if it is the product of three prime factors, of which exactly two are the same. (For example: 12 = 2 x 2 x 3, so 12 is funny.) What is the total number of funny... more
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10/05/15

There was a 100 meter race between a hare and a tortoise.
There was a 100 meter race between a hare and a tortoise. The hare can run 20 meters in 5 seconds and the tortoise can run 2 meters in 5 seconds. Thinking she will win, the hare stops for a snack.... more
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10/04/15

2/x-3 - 4/x+3 = 8/x^2-9
I need help to solve this problem
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10/04/15

Mai's penny bank is 1/10 full. After she adds 240 pennies, it is 2/5 full. How many pennies can Mai's bank hold?
I need help with this question because I rally suck at word problems! please help!
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10/03/15

2400 yards of fencing to enclose a rectangular area. find the dimensions that maximize the enclosed area
pre-calculus questions that looks for I believe the minimum and maximums to identify the length and width
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10/03/15

the perimeter of a rectangle is 100 yards. what are the dimensions of the yard if the length is 10 yards more than the width
word problem about deminsions
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10/03/15

Math Questions
Two cards is drawn from a standard deck of cards with replacement.  What is the probability that the first is a king and second is not a king?   Two cards are drawn from a standard deck of cards... more
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10/03/15

How to solve this word problem?
Bob and Carol want to hire Able Refinishing to sand and refinish the dining room floor to match the floor in the living room. Able charges $2.89 per square foot to sand and refinish a hardwood... more
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10/03/15

How to find mean
21 15 19 16 17 17 18 20 25 7 16 10 16 18 12 find mean, mode, and median  
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10/03/15

i cant solve this problem please help me to solve
find the value of log0.6(9/25)
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10/03/15

i cant solve this problem please help me to solve
if log2=0.3010, log3=0.4771, log7=0.8451, then find the value of log75
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10/03/15

The sum of three consecutive even numbers is 56. Form a quadratic equation and hence solve the to determine the numbers
The sum of three consecutive even numbers is 56. Form a quadratic equation and hence solve to determine the numbers.  
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10/02/15

Fritz plans to fence off a square lot and then cross-fence to divide it into four diferent lots. If he uses 1092 feet of fencing,then how much area will be fenc
Answer must be given in square feet. I do not know why but that is what is asked of me. 
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10/01/15

The perimeter of a rectangle is 22, and its diagonal is sqrt(101). Find its dimensions and area.
Longer Side: Shorter Side: Area:
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10/01/15

1 7/16 as a decimal
write the rational number as a decimal
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10/01/15

Fred made the trip by car in 20 hours and the return trip by bus in 16 hours. How long was the drive if the bus traveled 10 mph faster than the car ?
can you show me how to work it out and what the answer is 
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10/01/15

You have $12 in nickels and quarters. If you have the same number of each kind of coin, how many nickels do you have?
This question don't make sense to me!  
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10/01/15

What is the distance from campsite A to campsite B?
Campsite A and campsite B are located directly opposite of each other on the shores of a lake. The two campsites form a right triangle with Sam's position. The distance from campsite B to Sam's... more
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09/30/15

Mrs. Shoemaker has 2 fair sided cubes. What is the probability that she will roll double fives?.
Predict the number of times she will roll double fives if she did the 108 times.
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09/30/15

A plane traveled 1096 miles with the wind in 2 hours and 948 miles against the wind in the same amount of time.....
A plane traveled 1096 miles with the wind in 2 hours and 948 miles against the wind in the same amount of time. Find the speed of the place in still air and the speed of the wind.
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