11/10/15

what is the height of tree whose volume is 960 m^3 and whose girth is 2 m
The volume of wood v in a tree varies jointly as h and square of the girth g. If the volume big a redwood tree is 216 m^3 when the height is 30 m and the girth is 1.5 m, what is the height of tree... more
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11/10/15

for its winter concert. Student tickets are $5 and adult tickets are $10. If your school sells 85 tickets and makes $600, how many of each ticket did they sell
I'm too stupid
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11/10/15

520% of 100
Change percent to decimal
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11/10/15

20 1/4% of3
Percent as 3
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11/10/15

Cos 16pi/9 cos 10pi/9 + sin 16pi/9 sin 10pi/9
I don't know how to solve
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11/10/15

110$- original price 96%- new price what is the percent change
Item                               Original price                        New price                         Percent change   Bike                                 110                              ... more
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11/10/15

Whats the digit?
The sum of the digits of a 2-digit number is 8. if the tens digit is 4 less than 5 times one digit, what is the number?
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11/10/15

Solve the given equation for x
8^x=4    and    9^-2x= (27) ^x-1  
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11/10/15

Find the probability of rolling 2 different numbers or a sum of 10 when a pair of dice is rolled.
Find the probability of rolling 2 different numbers or a sum of 10 when a pair of dice is rolled.     I believe this is an inclusive event.   P(A) = 2 different numbers = 30/36 = 5/6 P(B) =... more
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11/09/15

Solve the trigonometric equation.
Solve trigonometric equation on 0º≤x<360º and express answer in degrees to two decimal places. 15sin2(2x)+sin(2x)-2=0 Please and thank you!
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11/09/15

Solve the trigonometric equation.
Solve trigonometric equation on 0º≤x<360º and express answer in degrees to two decimal places. 4cos2x+5cosx-6=0 Please and thank you!
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11/09/15

Apartment complex
An apartment complex is located 55 metres down the street from an office tower. The angle of elevation to the top of the tower, as measured from the roof of the apartment complex, is 58 degrees.... more
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11/09/15

pat wanted to look good. He brought a leather jacket for $140. this was after the 30% discount. john said this means the original price was $182
 i really need help right now.  
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11/09/15

word problem
A chemist has two large containers of sulfuric acid solution, with different concentrations of acid in each container. Blending 330 mL of the first solution and 590 mL of the second gives a mixture... more
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11/09/15

3 bags of peanuts and 4 bags almonds cost 27.45 and 4 bags of peanuts and 2 bags of almonds cost 24.10 hoe much is 5 bags of peanuts and 7 bags of almonds cost
algebra 1
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11/09/15

Nicole's penny bank is 1/2 full. After she adds 80 pennies, it is 2/3 full. How many pennies can Nicole's bank hold?
I need help to solve this math problem i dont under stand it.
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11/08/15

Without changing the front and back widths, by how much must Boris increase the depth of his garden to triple the area?
Boris has a rock garden in the shape of a trapezoid. The garden has an area of 90 m² in a depth of 12 m. The front width is four times the length of the back width. Without  changing the front and... more
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11/08/15

How to find x and y algebraically?
-7x+5y=0 14x-8y=2
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11/08/15

How to find x and y algebraically? Please include both subsition and elimination cant seem to get systems of equations so i want to find the easier way
-2x-6y=0 3x+11y=4  
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11/08/15

Maximum Area Word Problem College Algebra
Jim wants to build a rectangular parking lot along a busy street but only has 2900 feet of fencing available. If not fencing is required along the street, find the maximum area of the parking lot.
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11/08/15

Honors problem 2
Use the numbers 1,2,3,4 and 5 to equal 3.16 and use each number once _._-_.__=3.16
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11/08/15

find two positive number whose sum is 24 and te sum of whose square is greater than or equal to 290 but less than 338
 please explain the solution
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11/07/15

A rancher has 320 feet of fencing to enclose two adjacent rectangular corrals.
A rancher has 320  feet of fencing to enclose two adjacent rectangular corrals. a) What dimensions will produce the largest total area? b) What is the maximum total area? 
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11/07/15

What is the next 3 numbers in this pattern and what is the rule?
8,-24,72,-216,_,_,_  
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11/07/15

What are the numbers?
The sum of three numbers is 75. The second number is 5 more than the first , and the third is three times the second. What are the numbers?
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