02/11/16

how do I solve this
  1              1  ---       1  ----   2              2 ------  = -------   10            ?
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02/11/16

What must you score on the fourth test to get an A for the course?
To get an A in a course you must have an average of at least 90% on four tests that are worth 100 points each. Your scores on the first 3 tests were 87, 92, and 84. What must you score on the... more
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02/11/16

The sum of three consecutive integers is 84.
Equation word problem    
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02/11/16

i don't understand this math concept
Write this expression with a positive exponent and then simplify. (4u)^-1
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02/11/16

i need help with math
Write this expression with a positive exponent and then simplify. 2^-4   i'm so confused help me!
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02/11/16

could someone help me with math?
If a person is 66 years old, they will have been alive for more than 2,080,000,000 seconds. Write this last number in scientific notation.    
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02/11/16

It has a posted maximum speed of 100 kilometers per hour. You are driving at 61 miles per hour. Are you exceeding the speed limit?
It has a posted maximum speed of 100 kilometers per hour. You are driving at 61 miles per hour. Are you exceeding the speed limit?
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02/11/16

Erica painted a picture of her dog. The picture is 3,600 cm2 and is square.
She has placed the picture in a frame that is 5 cm wide.  What is the the perimeter of the frame
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02/11/16

Rational Equations
The equation is:    2/x - 1/x2 = -3   We are supposed to find the LCM, but of course, we weren't taught how (this teacher is frustrating).    Could you please help?
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02/11/16

What is the area of a hexagon with a apothem
what is the area of a hexagone with a apothem of 23
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02/10/16

at a light bulb factory, a batch of light bulbs is rejected if more than 5% of the bulbs in a sample taken from the batch are defective.
If 240 bulbs are tested and eight are defective, will the batch be rejected ? Show your calculations
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02/10/16

I need help on this word problem
This Spanish club surveyed 200 kids at a school for t shirts. 23 of them wanted black t shirts. The school has 800 kids attending. The Spanish club wants to know how many black t shirts are gonna... more
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02/10/16

350% of 42 is ?[Blank]
Is 350%of 42 less than 100,greater than 100 but less than 150 or greater than 150?
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02/10/16

If y = x2 + bx + c then to complete the square you add and subtract which one of the following values?
Can someone help me with this I don't really understand the question. Thank You!A. b/2B. b/cC.(b/2)^2D.√(b/2)E. None of the above
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02/10/16

when dealing wih graphing linear equations
I have an equations such as 3y+15=5x I am not certain how to solve this equation in order to graph it
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02/10/16

Fritz normally commutes at an average speed of 45 miles per hour.......
Fritz normally commutes at an average speed of 45 miles per hour, but this morning's heavy traffic held him to only 36 miles per hour. He must determine whether he can drive home fast enough this... more
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02/10/16

A sum of money was shared among D E and F in the ratio of 5:6:7. If F's share was $2,781 more than D's share, what was the original sum of money?
Ratios without using algebra
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02/10/16

Gabriella wants to tile a room that has an area of 320 square feet. The width of the room is 4/5 it's length. What is the length and width of the room?
This is a Go Math, fifth grade word problem. It is very hard and its only information is its width is 4/5 the length.
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02/10/16

when dealing with graphing linear equations such as y= -1+x
i have a question such as y=-1+x how do you solve this question and how do you graph it
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02/10/16

prob and odds
The odds in favor of an event occurring are 1 to 7.  Find the probability of the event not occurring  
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02/09/16

Two cars are 140 miles apart and travel towards each other along the same road. They meet in two hours. One car travels 4mph faster than the other car
What is the average speed of each car?
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02/08/16

what does the x mean in the equation 3x+7=5x-13
I'm having trouble with this equation so please help out.  
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02/07/16

How long did she spend runnung?
Mary competed in a biathalon that involved running and cycling. She covered a total distance of 65 miles in 3 hours. If she ran at a rate of 5 mph and cycled at a rate of 25 mph, how long did she... more
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02/07/16

what is 3+3×3-3+3=
I want to know the answer because I believe I'm correct but some people think otherwise.
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02/07/16

Robert needs to cut four shelves from a board that is 2.5 meters long.
The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters longer than... more
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