01/14/15

What is the rate of the current?
The steamboat River Queen travels at the rate of 30km/h in still water. If it can travel 45km upstream in the same amount of time that it takes to go 63km downstream, what is the rate of the current?
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01/14/15

The length of a rectangle is 3 m longer than its width. If the perimeter of the rectangle is 26 m , find its area.
The length of a rectangle is 3 m longer than its width. If the perimeter of the rectangle is 26 m find its area.
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01/13/15

what would b the roots for this equation??
X^2 - 5/2x -6
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01/13/15

finding the missing length
a trapezoid has an area of 184inches^2.  the height is 8in. and the length of one base is 16in. write and solve an equation to find the other base
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01/12/15

how fast is the top of the ladder sliding down the wall when the bottom of the ladder is 6ft from the wall?
A ladder 10ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1ft/s how fast is the top of the ladder sliding down the wall when the bottom of... more
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01/12/15

How fast is the water level rising?
a paper cup has the shape of a cone with height 8cm and radius 3 cm at the top. Water is poured into the cup at a rate of 2 cm^3/s. How fast is the water level rising when the water level is 6 cm... more
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01/11/15

I can not get the hot dog amount
at a concession stand three hot dogs and four hamburgers cost $11.25; four hot dogs and thre hamburgers cost $11.50. Find the cost of one hot dog and the cost of one hamburger.
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01/10/15

I need help solving a linear equations story problem?
The problem is: Ten years from now A will be twice as old as B. Five years ago A was three times as old as B. What are the present ages of A and B?   I am so confused and have been struggling. I... more
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01/10/15

perform the indicated operations for the gien functions below
f(x)=2x g(x)=x^2-5 h(x)=x+3 p(x)=x-4 (f+g)(-1)  (hp)(x) (hop)(x)
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01/09/15

Irving the wishing well driver, has 10% as many quarters as nickels. If Irving has $5.25 in quarters and nickels, how many nickels does he have?
Translate the word problem into an equation; then solve.
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01/09/15

are y=-6x+8 and 3x+1/2y=-3 parallel, perpendicular or neither? (graph equations)
I just need to see if im right
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01/09/15

solve by factoring
6t to the second power - t - 1 = 0
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01/09/15

geometry word problem
Polygon ABCD is translated to create polygon A′B′C′D′. Point A is located at (1, 5), and point A′ is located at (-2, 3). Which expression defines the transformation of any point (x, y) to (x′, y′)... more
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01/08/15

if the product of 8 and a number is reduced by two thirds of 48, the result is equal to the quotient of 160 nad 4. find the number
I'm studying for a test and this question is in my packet. I can't find a way to solve. Please help.
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01/08/15

find the constants
Find the constants m and b in the linear function f(x) = mx + b so that f(1) = 2 and the straight line represented by f has slope - 1.
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01/08/15

what is the answer?
If the line passing through the points (2, a) and (5, - 3) is parallel to the line passing through the points (4, 8) and (- 5, a + 1) , what is the value of a?
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01/08/15

Maria and Farida had 250 beads together. After Maria used 18 beads to make a bracelet and Farida gave away 2/5 of her beads, they have the same number of beads
How many beads did Maria have at first? 
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01/08/15

find domain, f(x)=1/(SQRT(6x+20))
I have to fine the domain of this equation
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01/08/15

Math alg. 2 trig.
Let f(n)=(1/2)1+(1/2)2 +(1/2)3 +...+(1/2)n make a table for f starting with the initial term f(1)=1/2. Find a closed form for f(n).
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01/07/15

Keisha wrote an equation that gives the total cost y of seeing x movies. In standard form, the equation is7x - 2y = -31
Keisha bought a discount pass at a movie theater. It entitles her to a special discounted admission price for every movie she sees. Keisha wrote an equation that gives the total cost y of seeing x... more
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01/07/15

Emma spent $16 for 12 pieces of candy to take to a meeting. Each chocolate cost $2 and each lollipop cost $1. How many of each item did she buy.
Define two variables, set up a system to solve.
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01/07/15

(-3,1) ; y=1/3x+2
write the equation in slope intercept form of the line that passes through the given point and is in perpendicular form  
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01/07/15

solve y=x^2+2x+1
i need the answer to y=x^2+2x+1
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01/06/15

Martina, Hong, and Felipe sent a total of 91 text messages
Martina, Hong, and Felipe sent a total of 91 text messages over their cell phones during the weekend. Hong sent 9 more messages than Martina. Felipe sent 2 times as many messages as Hong. How many... more
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01/06/15

For all inflection points does the double derivative always equal zero?
For all inflection points does the double derivative always equal zero? or does it change sign? What can you conclude about inflection points other than that in the graph it changed sign?
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