04/23/15

Chain Link P.O.W
Chain Link Given a chain with 23 links what is the fewest number of links that need to be cut so that you can hand a person any number of links from 1 to 23? A cut link is counted as a link (Weld... more
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04/20/15

Round trip word problem
A round trip flight took 5 hours flying time. The plane traveled the 720 miles to the city at 295 mph with no wind. How strong was the wind on the return flight? Was the wind a head wind or tail wind? more
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04/10/15

find the product
6x(x-2)     i was involved in a bad car accident. i havent been to school in a month and now my math teacher isnt working here at my school anymore because she just had a baby. we have bee... more
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04/10/15

college algebra word problem
if a car travels 280 miles averaging a certain speed. if the car had gone 5 mph faster, the trip would have taken 1 hour less. What was the average speed?
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04/09/15

How many years will it take for an initial amount of $5000 to grow to $12000 at an interest rate of 6.25% compounded continuously?
How many years will it take for an initial amount of $5000 to grow to $12000 at an interest rateof 6.25% compounded continuously?
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04/09/15

[ ] + [ ] + [ ] = 30 use only 1, 3, 5, 7, 9, 11, 15. can repeet #s
See above q. Add 3 no s fm the list and get total 30.  1, 3, 5, 5, 7, 8, 11, 13, 15 Can repeet # if needed. Must use three #s. Only + operation
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04/02/15

given that 3^-x=5, find the value of 3^3x
given that 3^-x=5, find the value of 3^3x....need some help solving this thanks
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04/02/15

decimal questions
Josh is buying fruit. Using a scale he figures out that 2 bananas and 3 apples weigh .94lbs. A Banana and an apple weigh .36lbs. How heavy are 5 bananas and 2 apples?
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04/02/15

This is on my homework and just wondering how to work this problem. These word problems are very confusing for me.
Left on together, the cold and hot water faucets of a certain bathtub take 5 minutes to fill the tub. If it takes the cold water faucet 15 minutes to fill the tub by itself, how long will it take... more
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03/31/15

How long is the ball in the air?
h=-16^2+120t models the height h, in feet, of the ball after t seconds. How long is the ball in the air? 
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03/30/15

Given the equation of the circle 2x^2-20x+2y^2+16y+10=0
find the center and the radius of the circle.
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03/27/15

N^3+N^3=N^3
I can't solve this question.Please help me. I have an example of it N^2+N^2=N^2 3^2+4^2=5^2 9+16=25 25=25 both become equal.And don't use 0 Please help me.  
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03/27/15

CAN A FUNCTION HAVE AN INFINITE NUMBER OF VALUES IN ITS DOMAIN AND ONLY A FINITE NUMBER OV VALUES IN ITS RANGE
Can a function have an infinite number of values in its domain and only a finite number in its range?
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Sat

03/27/15

SAT PREP 2015
  10,18,4,15,3,21,x   If x is the median of the 7 numbers listed above, what could be the value of x, if x is an integer.  
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03/26/15

What is the max height of the ball?
A ball is throw into the air with a velocity of 24ft per second its height h in feet after t seconds is given by the function h=-16t2 h=-16t2+24t+7. In how many seconds does the ball reach its max... more
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03/24/15

the length of a rectangle is 3times the width. the perimeter is 44cm. what is arethe dimensions of the rectangle?
 help ini algebra 1
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03/24/15

If the smaller of 2 consecutive odd integers is tripled, the result is 1 more than twice the larger. Find the integers.
If the smaller of 2 consecutive odd integers is tripled, the result is 1 more than twice the larger. Find the integers.
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03/24/15

Revenue with calc
The revenue from selling q items is R(q)=625q−q2, and the total cost is C(q)=50+6q. Write a function that gives the total profit earned, and find the quantity which maximizes the profit.
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03/23/15

a stone is tossed down from a cliff....
need help! a stone is tossed down a cliff at an initial velocity of 4ft/sec. the distance S that the stone falls after T seconds is given by S=4T-16T^2 . if the cliff is 420 ft tall, how many... more
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03/23/15

If 80% of people had a headache and 65% of people had a broken foot, then what is the smallest percent possible of people that had both?
 I need this questioned figured out ASAP!!
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03/23/15

A rectangular table is five times as long as it is wide. If the is 45feet ^2, find the length and width
A rectangle table is five times as long as it is wide. If the area is 45 ft^2 find the length and the width of the tabl.
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03/23/15

Eighty five fish are tagged and released into a pond. A later sample of 94 fish from the pond contains 13 tagged fish. Estimate the number of fish in the pond
Eighty five fish are tagged and released into a pond. A later sample of 94 fish from the pond contains 13 tagged fish. Estimate the number of fish in the pond
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03/20/15

A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and 21 more quarters than dimes. How many coins of each did she return?
Please help! I need an answer asap!
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03/18/15

story problem
a swimming pool holds 480,000 liters of water. The pool has two drainage pipes. When the pool is completely full, the first pipe alone can empty it in 240 minutes, and the second pipe alone can... more
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03/18/15

Maria sells magazines for 4 days, selling 3 mags. on day 1, 6 on day 2 10 on day 3 and 15 on day 4.At this rate, how many will be sold in all in 7 days?
I tried to shorten the question. My daughter is in 3rd grade and has this 1 math question for homework and I'm trying to help her. I don't understand the jump from day 2 to day 3. I'm not trying... more
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