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
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.
B invested some money at 9% simple interest, and $25,000 more than twice.................
B invested some money at 9% simple interest, and $25,000 more than twice the amount at 11%. The total annual interest earned from the investment was $31,580. How much did he invest at each amount?
if the area of a cirle is 804 what is the radius
The circle has an area of 256π what is the radius and diameter?
Help with this Math question?
A cylinder and a rectangular prism have the same volume and same height. The base of the prism is a square with side length 7 cm. What is the approximate radius of the cylinder? A. 4.0 cm B. 3.5... more
select the x coordinate of the vertex of the parabola defined by the function f(x) =-5x^2+9x+9
Determine the size of the sample space
An experiment consists of choosing a subset from a fixed number of objects where the arrangement of the chosen objects is not important. Determine the size of the sample space when you choose the... more
Find the value of the permutation
Find the value of the permutation P(9,3)=
Find the value of the combination
Find the value of the combination C(8,2)=
(1 pt) How many 4-digit numbers can be formed using the digits 0 and 1?
How many 4-digit numbers can be formed using the digits 0 and 1? Repeated digits are allowed.
How many ways are there to form a committee with 6 members if it must have strictly more women than men?
Suppose that a department contains 8 men and 16 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men?
Graph the polar equation using Geogebra
1)r=-pi/4 2)r=2(1-sin theta) Hellllpppp please
Valerie makes a bike ramp in the shape of a right triangle. The base of the ramp is 4 in. more than twice its height, look below for more details
The length of the incline is 4 in. less than three times its height. How high is the ramp?
The height of a triangular sail is 1 ft less than twice the base of the sail. Find its height and the length of its base if the area of the sail is 60 ft^2.
A cook needs 12 lb of flour. He wants to spend the least amount of money. If a 2lb bag cost $1.59 and a 5lb bag cost 2.89 how many bags of each type of flou should he buy?
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.
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
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
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]
Point slope form slope = 5 passing through (-3,4)
I don't know how to do this at all
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.