12/16/15

T/F : If f and g are increasing on an interval I, then fg is increasing on I
T/F :   (13) If f and g are increasing on an interval I, then fg is increasing on I     (15) If f is increasing and f(x) > 0 on I, then g(x) = 1/f(x) is decreasing on I.     ANSWER: (13)... more
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12/16/15

What are the dimensions of the rectangle with the largest area that can be enclosed by 200 feet of pavement marking tape?
I need to show all work and the derivation of the area function.
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12/16/15

Common Core Math
anthony bought an 8 foot board. He cut off 3/4 of the board to build a shelf, and gave 1/3 of the rest to his brother for an art project. How many inches long was the piece anthony gave his brother?
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12/16/15

Tumi can walk 1/3 mile in 5 minutes. If tumi walks at a constant pace, how far does he walk in 1 minute
 How far can a person walk in 1 minute if he can walk 1/3 of a mile in 5 minutes.
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12/16/15

suppose that when x is divided by 3, y is divided by 27. How is x related to y?
I need help on my advanced algebra homework. Its a simple word problem that i do not understand.
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12/16/15

Work, power, energy, physics question
A 3.0 kg model plane flies horizontally at 20 m/s    A) The plane goes into a dive and levels off at 8.0 m closer to the ground. How much potential energy did it lose during the dive?  B) How... more
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12/16/15

Cant put full question
A truck traveling 45 miles per hour and a train traveling 60 miles per hour cover the same distance. The truck travels 2 hours longer than the train. How many hours does the truck travel?
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12/16/15

Pre Calculus word problem
Suppose 14 men and 24 women apply for jobs. If four people are selected randomly to fill job positions, what is the probability only one man was selected for a job?
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12/16/15

Solve -3a+5=6a-2
No further details
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12/16/15

The total cost to rent a bike is $5 per hour. Write an equation to find the total cost (c) for h hours.
No further details
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12/16/15

If the circumference of a circle is 11pi, what is the area in terms of pi?
I don't quite understand this. Is pi supposed to be a variable, or do I actually calculate 3.14 into the problem. Based off of context, it is a variable, since we are doing expressions in class,... more
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12/16/15

solve this system of equations
x+3y=-5 9x+30y=-48
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12/15/15

Sam has 26 coins in her pocket, some are quarters and some are nickels. The colons have a total value of $4.30. How many of each type of coins does she have?
Please help, I am stuck!! 
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12/15/15

there are 10 grams of curium-245 which has a half life of 9,300 years. how many grams will remain after 37,200 years?
exponential decay (half life)  I have to find what will remain in grams.
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12/15/15

When solving a piece-wise function. Can I plug in any value I want for x?
I am currently studying piece-wise functions for a final and I was wondering if I could plug in any value for x for example:f(x)+{2x-2, if x<-3} and I mean x as in the x next to the 2. I... more
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12/15/15

Find the most general antiderivative of the function : (1 + t + t^2) / t^1/2
Find the most general antiderivative of the function.   (1 + t + t2) / t1/2     ANSWER: G(t)  =  2t1/2 + 2/3t2/3 + 2/5 t5/2 + C #15, p348
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12/15/15

Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’s Rule doesn’t apply, explain wh
Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’sRule doesn’t apply, explain why.   lim (x --> 0) tanh(x) /... more
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12/15/15

Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’s Rule doesn’t apply, explain wh
Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’sRule doesn’t apply, explain why.   lim (x --> 0)   [ √(1 + 2x)... more
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12/15/15

Verify that the function satisfies the hypotheses of the Mean Value Theorem on the given interval. Then find all numbers that satisfy the conclusion of the Mean
Verify that the function satisfies the hypotheses of the Mean Value Theorem on the given interval. Then find all numbersthat satisfy the conclusion of the Mean Value Theorem.   f(x) = ln(x)  [1,... more
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12/15/15

If the animal is initially in the woods, what is the probability that it is in the meadow on the next three observations?
If the animal is in the woods on one observation, then it is three times as likely to be in the woods as the meadows on the next observation. If the animal is in the meadows on one observation,... more
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12/15/15

How many toothpicks would you predict to be damaged in the daily production of 2.4 million toothpicks
A toothpick factory samples every 100 toothpick for damage. The sample shows a 0.17% probability damage. 
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12/15/15

The sum of eight and a number is five less than seventy?
Writing sentences into equation
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12/15/15

Raul enter the hospital at 9:00 am with an infection and has 327,680 bacteria in his body.
1a.) the bacteria in his blood are doubling every 42 minutes in the lab.  *Write and exponential equation to represent the total bacteria in Raul's body. let x represent time in 42 minute... more
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12/15/15

The difference between two numbers is 67. Four times the smaller is equal to 5 more than the larger. What are the numbers?
The difference between two numbers is 67. Four times the smaller is equal to 5 more than the larger. What are the numbers?
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12/15/15

Finding a simplified perimeter.
The shape is a rectangle. The measurements are 7x + 4, and x + 3. The first set is the length. The second one is the width. Please help.
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