09/23/19
What is the original width in inches?
A rectangular piece of metal is 30 in longer than it is wide. Squares with sides 6 in long are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the...
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09/23/19
Algebra . Cannon ball with height and speed to hit the ground
A cannon ball is launched upward with a velocity of 16 feet per second from the top of a 32 foot tall building. Its height after t seconds is given by the equation S=−16t2+16t+32. When does the...
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09/23/19
Problem solving
The area of Desert A is three times the area of desert B. If the sum of their areas is 1600000 square miles, find the the area of each desert
09/23/19
Twice a number -5 is seven
09/23/19
Point K is 1/n of the way from... J(4, -5) to L(0, -7). What are the coordinates of K if n = 4?
09/22/19
The sum of two integers is 90 the larger is 15 less than twice a smaller find the two integers
09/22/19
The sum of two integers is 90 the larger is 15 less than twice a smaller find the two integers
09/22/19
Find the cost of each notebook and each thumb drive.
Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought 4 notebooks and 13 thumb drives for $254. Lisa bought 5...
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09/22/19
One eighth of m (algebra)
09/22/19
Need help with cost function
The cost function for a certain company is C = 30x + 600 and the revenue is given by R = 100x − 0.5x2. Recall that profit is revenue minus cost. Set up a quadratic equation and find two values...
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09/21/19
The half-life of polonium-218 is 3.0 minutes. If you start with 30.0 g, how long will it be before only 2.0 g remains?
The half-life of polonium-218 is 3.0 minutes. If you start with 30.0 g, how long will it be before only 2.0 g remains?
09/21/19
bayes theorm and conditional probability
There are two coins on a table. When both are flipped, one coin landson heads with probability 0.5 while the other lands on heads withprobability 0.6. A coin is randomly selected from the table and...
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09/21/19
whats the average speed of each plane ?
Two planes leave from Atlanta, Georgia. One makes a 7 hr flight to Seattle, Washington, and the other makes a 3 hr flight to Boston, Massachusetts. The plane to Boston averages 52mph slower than...
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09/20/19
Math word problem
A man is ten times as old as his son and twice as old as his daughter. The sum of the ages of all three is 64 years. How old is each person?
09/20/19
Need help with these math problems (College Algebra)
Need help finding the solutions to these problems. I cannot find them.1.For the given functions f and g, complete parts (a)-(h). For parts (a)-(d), also find the...
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09/20/19
College Algebra
Find the equation of the linear function g that has g(9)=8 and that is parallel to k(u)=213u−24.
09/20/19
Find an equation for the second line.
Consider the following two lines. The first passes through the points (2,-4) and (5,5). The second line passes through the point (2,1) and is parallel to the first line.
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