Search 75,808 tutors

Math formulas

Factor completely.If Polynomial cannot be factored,write prime   (1) 4x^2-28x-72   (2) -x^2+8x-15

i need help on this problem its very difficult to me. i would need help in this one too :A car travels at an average speed of 50 km/h. What distance will it travel in 30 minutes?

they are two equations!

Factor by grouping: (1) 4x^2-48x+x-12 (2) 7x^3+49x+4x^2+28 (3) 3x^2+27x+21x+189

Math story problem answer. I think it is 3*549+549. What is the answer?

how much force is required to lift the load

. For each substance, find the pH from the given hydronium ion concentration. (a) coffee, 1.26×?10?^(-5) (b) milk, 2.51×?10?^(-7) (c) lutefisk, 5.01×?10?^(-12)

i don't know how to solve equations with using a graph

Find the equation of a line that meets the given condition : perpendicular to 6x-2y=10,passes through (6,-3)

how do we solve it

Another one is (6x-5 ) < (6/x)   Do you solve for x on these the way that you would if it were an equal sign rather than <> signs?

how do I figure that amount?  I thought I would take 93% of the total sales of 6645.16 and come up with the net sales (prior to sales tax) but it doesn't work that way.  Because I come up...

Marie has a rectangular board of 18 inches by 23 inches around which she wants to put a uniform border of shells. If she has enough shells for a border whose area is 86 square inches, determine the...

It shows that you have skipped numbers in the y-axis intervals.

The volume of V(x) of a box in terms of its height x is given by the function V(x)=x^3+7x^2-8x. Factor the expression for V(x)

Applications of Rational Equation                      ...

Solve for p.