02/08/17

''Tis is a discussion question but I also have to show my work
samantha was ask to find the exact area of a circle with a diameter of a 8 inches. She found it to be 200.96in squared. She made 2 errors.  By reviewing her answer can you determine the two errors?... more
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02/08/17

a tank contains 8000 liters of a solution that is 40% acid. How much water should be added to make a solution that is 30% acid?
I just don't get how to do this
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02/08/17

Find the width of a rectangular pool that has a perimeter of 890 feet if the width is five more than three times the length
Need help  
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02/08/17

An angle measures 58° less than the measure of a complementary angle. What is the measure of each angle?
a complementary angle is 180 degrees
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02/08/17

You factored the difference of 2 cubes and you got 0 = (x – 7)(x^2 + 7x + 49). What are the solutions to this equation?

a)There is only one solution: x = 7 b){7, -7/2 ± (7/2)i sqrt(7)} c){7, -7 ± 7i sqrt(3)} d){-7, 7/2 ± (7/2)i sqrt(3)} e){7, -7/2 ± (7/2)i sqrt(3)}
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02/08/17

The sum of 4 numbers is 60 word problem
The sum of 4 numbers is 60.   The first number was increased by four The second number was decreased by four The third number was multiplied by four The fourth number was divided by... more
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02/07/17

The sun is 25 degrees above the horizon. Find the length of a shadow cast by a building that a=130 feet tall. Approximate the answer to two decimal places.
Need answer in feet
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02/06/17

A garden is 70 m long and 55 m broad.A path 5 m wide is to be built outside all around it along its border.Find the area of the path.
A garden is 70 m long and 55 m broad.A path 5 m wide is to be built outside all around it along its border.Find the area of the path.
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02/05/17

Assume there are seven players on a middle school basketball team. The product of their ages is 35335872> What are the ages of the seven players?
 2 is a factor as well as 3  
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02/05/17

CALCULUS SYMPLIFYNG EXPRESSIONS
Simplify the expression       sin( tan-1 x)
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02/05/17

Let A={9,10,11,12,13,15,16}
How many subsets does A have How many proper subsets a have
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02/04/17

Find stamps
John, Mei and Kim collect stamps. John and Mei have 220 stamps more than Kim. Kim and Mei have 140 more stamps than John. John and Kim have 500 stamps. How many stamps does Mei have?
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02/01/17

Find the area of a segment formed by a chord 8" long in a circle with radius of 8"
This is a geometry problem. in the section on area of a circle.  
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02/01/17

Two hikers are 11 miles apart and walking toward each other.They meet in two hours.Find the rate of each hiker if one hiker walks 1.1 mph faster than the other.
Word problem 
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02/01/17

Graph absolute value inequalities
 lxl + 2 < 8
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02/01/17

Solve the equation
(9/3/2)/9x6
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02/01/17

The sum of the exterior angles of a octagon
The exterior angles of a octagon   
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02/01/17

HELP!! NEED THIS SOLVED
1/6=1/3x^2+1/2x  
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02/01/17

You select a card at random from the cards that make up the word “replacement”. Without replacing the card, you choose a second card.
Find the probability of choosing a vowel and then not a vowel.  There is 1 letter for each card.explain how you got the answer please?
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02/01/17

You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfect score?
I need this answered asap.
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02/01/17

what is the greatest common factor of 42 and 72
and the answer  is out of these 2 3 9 6
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01/31/17

Brad plans to bike 15 3/4 miles. He has gone 2/3 of the entire distance. How far has he gone?
When i try to use division, i dont get a whole number. When i multiply, i dont get a whole number. HELP!
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01/31/17

person removing 2 eggs at time from a basket has 1 left; person removing them 5 at time has 3 left; what is the fewest number of eggs possible in the basket?
Need How to solve
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01/31/17

Probability
A bag contains 12 red marbles,5 yellow marbles, and 15 green marbles. How many marbles must be added to the 32 marbles already in the bag so that the probability of randomly drawing a red marble is... more
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01/31/17

Finding rate of the current
A motorboat averages 20mph in still water. It takes the boat the same amount of time to travel 3miles with the current as it does to travel 2miles against the current. What is the current's rate? 
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