10/09/14

How can I get a better understanding of word problems????
Eugene can dig a 10 ft by 10 ft in nine hours. Molly can dig the same hole in seven hours. How long would it take if they worked together? please i need help can someone explain to me how to solve!!
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10/09/14

Select the x-coordinate of the vertex......
Select the x-coordinate of the vertex of the parabola defined by the function f(x)=-9x^2 +5x+7? a) - 9/5 b) 7 c) 5/18 d) - 5/9
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09/18/14

read in description please
      Roger can run 1 mile in 27 minutes. Jeff can do it in 24 minutes. If Jeff gives Roger 1 minute head start, how long will it take before jeff catches roger? how far will each have... more
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09/18/14

Which statement is true?
If the x-intercept of a line is given by (0, b), b can never equal zero. A line of x = a (where a is not zero) cannot have a y-intercept. If the y-intercept of a line is given by (a, 0), a can... more
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09/18/14

what is the value of 4x-3y?
if (4x+3y)/(16x^2-9y^2)=10
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09/18/14

x^3+x^2-x-1
How to factor x^3+x^2-x-1
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09/18/14

two times the least of three consecutive odd integers exceeds three times the greatest by fifteen. what are the integers
how do i write out this equation?
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09/18/14

Graph f(x) = 2x +3
Must graph the function and fill in the domain , range , vertex , maximum / minimum , increasing invertal , decreasing invertal , one to one and line of symmetry 
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09/18/14

Which of the following defines the set of x-values that satisfy the inequality |(x-5)/3|<2
a. 1<x<11   b. -1<x<11   c. x>11   d. -11<x<1
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09/18/14

-9/10 divided by -6/15 equals?
-9/10 divided by -6/15 equals?
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09/18/14

C=2m, m=(j-3) , c+m+j =91 solve please
Caroline earns two times the amount of Matt, Matt earns $3 less than Jeremy, together they earn $91.00 weekly. How much does each earn
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09/11/14

How to write (-4,3]U[2,7) as a single interval
How do you write (-4,3]U[2,7) as a single interval?
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09/11/14

A plane can fly 325 mph in still air. If it can fly 190 miles downwind in the same amount of time it can fly 135 miles upwind, find the velocity of the wind.
A plane can fly 325 mph in still air. If it can fly 190 miles downwind in the same amount of time it can fly 135 miles upwind, find the velocity of the wind.
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02/20/14

6, 8, 10, 12, up tp 246. how long is the total length of all the rods?
A support rod is 6 feet long and every rod after is 2 feet longer than the previous (6, 8, 10, 12.......246) up to 246. What is the formula to find the total length of all the rod lengths added... more
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01/23/14

Determine the moth of maximum and minimun sales?
Use a graphing utility to graph the sales function over 1 year,where s is the sales in thousands of units and t is the moth, with t=1 corresponds to january.Determine the moth of maximun and... more
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01/20/14

help solve missing side of triangle
please help me solve to find the missing side of a triangle.  One side is 1/2x + 11 and the other side is 2x + 1.  The missing side is labled as ,x, .   Would I start as a^2 + b^2 = c^2?
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01/07/14

The mathmatical statement 4 C A means? The "C'' is not an actual C.
The mathematical statement 4 C A means? The c is not a c it means its part of a set or something..
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01/07/14

factor expressions completely
I really need help solving this problem by factoring the expression completely.             3g^3 - 51g + 210g               Theanks
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01/06/14

How would you simplify 2/3-i?
I tried to multiply the 3-i on the top and bottom but then I get lost on what belongs on the bottom and on the top.    I thought I would have something like 6-2i/9 but that doesn't seem right.
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01/06/14

How do you factor 3x^3-192?
I thought you would just take out the 3 and make it 3(x^3-64) but then I remembered these are the ones that would be 3(    )(     ) but I cannot get my answer into that form.
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12/17/13

sin 2x+sinx=0
find all real numbers in the interval (0, 2 pi) that satisfy the equation
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12/11/13

How do you write an equation in vertex form and standard form if you know the coordinates of the x intercepts as well as the y intercept?
The coordinates of the x-intercepts given are (-1,0) and (3,0). The y-intercept is 2.5. How do you create an equation in standard and vertex form with that info?   I'm not sure what each letter... more
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12/11/13

on a standard coordinate plane, what is the distance between the two points(8,4) (5,-2)
on a standard coordinate plane, what is the distance between the two points(8,4)  (5,-2)
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12/03/13

Write the equation of the line parallel to the line
(a) Write the equation of the line parallel to the line 3x + 1 = −2y and through the midpoint of the segment that joins (2, 3) and (−4, −3).   (b) Equation of the line perpendicular to the lines... more
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12/03/13

14, 8, 7, 3, 11. Use the data to make a box-and-whisker plot
At a basketball game, a coach tracked the number of shots each basketball player made in the first half of the game. The results for the five players are 14, 8, 7, 3, 11. Use the data to make a... more
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