07/03/15

A stone throw horizontally from the top of a wall with a velocity of 15m/s, hits the ground at a point of 45m from the wall. Find the time of the flight
"A stone throw horizontally from the top of a vertical wall with a velocity of 15m/s, hits the horizontal ground at a point of 45m from the base of the wall. Calculate 1)Time of flight of the... more
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07/01/15

A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a+4b). What is the volume of the box in terms of a and b
A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a+4b). What is the volume of the box in terms of a and b?
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07/01/15

Radical form?
I'm so confused about this, how do I know that my answer is in radical form?  for example    a) 4√(32w8)     the answers that I'm getting is     2⋅21/4w2  is this radical... more
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06/30/15

A team won 55% of its games. It won 44 games. How many total games did the team play?
A team won 55% of its games. It won 44 games. How many total games did the team play?
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06/30/15

please help!
In a recent survey, 15 people preferred milk, 27 people preferred coffee and 18 peoplepreferred juice as their primary drink for breakfast. If a person is selected at random, find theprobability... more
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06/29/15

find the equation of the line tangent to y = -5x + 3x at (2, -14)
 I need help with this calculus question.
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06/27/15

student flew 90 mph to and 120 mph from the airport totaling 7 hours. what distance between the two
A student pilot flew to the airport at 90 mph, and return at 120 mph, what is the distance between the two airports?
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06/26/15

y = 6x2 - 8x + 2
Find the derivative of each function.
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06/20/15

whats 1,3 in a parabola equation
whats 1,3 in a parabola equation
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06/19/15

What is the average rate of change of water depth in the lock over the first two minutes ?
When a pleasure boat enters a small lock, there are 120 inches of water (depth) in the lock. Two minutes later after the lock begins draining, there are 102 inches of water in the lock.  
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06/18/15

need to find cost, revenue, profit functions
The cost and revenue function are linear.  All units are sold.  The fixed cost is $2400 and the variable is $16 per item.  The item sells for $64.  Find the cost function, revenue function, profit... more
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06/17/15

The length of each edge of a cube is increased by 25%. By what percentage has the surface area of the cube increased?
The length of each edge of a cube is increased by 25%. By what percentage has the surface area of the cube increased?
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06/16/15

1 assume all variables are positive real numbers
(√3-3√2)2
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06/15/15

find the sum of the roots
3X2 - 2X + 5 = 1
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06/15/15

what is .... 1.)11r + 15 = -2R² ....and ...2.) 6s² + 18s=0 ??
how's this equation? and what it would be?
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06/15/15

How do I find the following functions
From   f(x) = 4x − 3, g(x) = 2 − x   (a) (f + g)(x) = (b) (f − g)(x) = (c) (fg)(x) = (d) (f/g)(x) =   And What is the domain of f/g?
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06/15/15

Use the function to evaluate the indicated expressions and simplify.
f(x) = x + 8     1. f(x2) =   2. (f(x))2 =
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06/14/15

Setting up a ratio
There are 2400 people that attended the local fair this past weekend. If the ratio of men to women to children is 8:16:24, then how many women were at the fair?   Confused on how to set this up!
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06/13/15

12m²+8m ???
How's this equation?, can someone explain this to me? And what would be the answer?
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06/12/15

the average of 4 three digit numbers is 250. two of the numbers are 190 and 230. What is the largest difference between the other 2 numbers?
the average of 4 three digit numbers is 250. two of the numbers are 190 and 230. What is the largest difference between the other 2 numbers?
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06/11/15

mutiply and simplify the product
A). (5-√7)^2            B). (√2+3)^2
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06/11/15

determine P(F or G) by using the general addition rule
a probability experiment is conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,1112} event F={4,5,6,8} and Event G={10,11,12}. assume the outcome of each is equally... more
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06/11/15

The radius of a circle is 6 meters. What is the length of a 135° arc?
i do not know this question i need help -- The radius of a circle is 6 meters. What is the length of a 135° arc?
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06/10/15

are 2y=4x+6 and 3y+6x=12 perpendicular
I really need to know this for my final 
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06/10/15

Bayes' Rule
Plantation Foods has 710 employees. A total of 130 employees have a college degree, and 580 do not have college degrees. Of those with college degrees, 60% are men and 40% are women. Of those who... more
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