04/04/14

how much 40 degree water will it take to cool 100gallons of 120 degree water to 100degrees

I want to find the ratio of cold water to hot water I need to make 100 degree water for a nursing home I have a 100 gallon tank and I need to cool it from 120 to 100 degree and the water i'm adding... more

04/04/14

How do you find the x intercepts and y intercepts of a circle with a given circle besides graphing?

The circle is not in the formula already. The equation is x^2+y^2+4x-6y+4=0 Also I am not sure whether I should complete the square or not.

04/04/14

04/04/14

indefinite integral of (tan^2(x))^1/3sec^2(x)dx

Find the indefinite integral and simplify your result. Please show step-by-step result.

04/04/14

one train is traveling west at70mph. another train is traveling east at 75mph. they are 100 miles apart at 5 pm. what time will it be when they pass each other?

Heard this on the radio and can't figure it out

04/03/14

I have a base of 50 and a hypoteneuse of 130 how do i solve for b

pythagorean therom I have a base of 50 + ahypoteneuse of 130 how do I solve for the other side

04/03/14

mean value theorem

find the value(s) of c that satisfy the mean value theorem for the given function and interval.   f'(x)= √(x-3)   [3,8]

04/03/14

Point slope form slope = 5 passing through (-3,4)

I don't know how to do this at all

04/03/14

Y = -1/2x+4 and y =2x-2

This is parallel?

04/03/14

100xyz - 75xy

Factor completely

04/03/14

4z + (-5z)

rewrite using the distributive  property

04/03/14

is y = 3x+8 and y = -3x+4 parallel perpendicular or niether

I haven't done these equations since my 8th grade year and I'm just trying to refresh my memory.lol and I need some help.

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