02/07/15

1(x) + 2(x) + 6(x) = 300
Joe has 6 times the money Bob has, Bob has 2 times the money Ann has, all together they have $300. How much does Ann have?   I know the answer ( by trial and error) that Ann has $20   I don't... more
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02/07/15

When dealing with complex numbers, does the i term get integrated as well? An example is an integration for e^4i
I am doing complex analysis. I am stuck on integrating sin^2(4x), from 0 to 2pi. I have to show the integration in exponential form.
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02/07/15

if (25%a)=(50%b) what is % of (a+b)?
what percent of (a+b) equals (50% of a + 25% of b)?
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02/07/15

Determine the equation for the function
A ball is thrown upward from the roof of a 25m building. The ball reaches a height of 45m above the ground after 2 seconds and hits the ground 5 seconds after being thrown.   Determine an... more
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02/07/15

What is difference between effect and affect?
What is difference between effect and affect?
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02/07/15

Growth of populations
Daisy purchased a rabbit couple to keep as pets. Perhaps daisy got more than she bargained for! If the population of rabbits doubles every 3 months, how many rabbits will daisy have at the end of 3... more
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02/06/15

College Algebra
It takes John 40 minutes to drive to work, it takes him 30 minutes if he takes the train. How many miles does John travel to work if the train is moving 15 miles an hour faster than the car.
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02/06/15

Can someone help me I'm horrible at word problems?
Two factory plants are making TV panels. Yesterday, Plant A produced 4000 fewer panels than Plant B did. Three percent of the panels from Plant A and 4% of the panels from Plant B were defective.... more
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02/06/15

Hi I really need help with this math problem for my homework assignment I would greatly appreciate any help as soon as possible!
The first card of a 5 card draw must be a face card (jack, queen, king). The next 4 cards must be anything but a face card. In how many ways can the cards be drawn?
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02/06/15

the quotient of a number and 9 times its reciprocal is 1. Find the number(s).
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02/06/15

$100 invested at 4% compounded daily after a period of 3 years. After 3 years, the investment results in what amount?
Just find the amount and round to the nearest cent as needed.
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02/06/15

Three girls have a large pile of pants which need sewing.
Three girls have a large pile of pants which need sewing. Michelle sews twice as fast as Amber and three times as fast as Tee. If it would take them 6 hours to fix the pants with all three working... more
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02/06/15

what would negative four plus four times the square root of two, over negative ten be?
I've already simplified this from -4 plus the square root of 32  over -2 times 5. I'm just a little confused on how to simplify it further, but I know it can be.
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02/06/15

which types of lines match these equations? x+y=10 and x-y=6
Parallel lines   Perpendicular lines   Coinciding lines
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02/06/15

The lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches. what is the percentile rank of a turtle wh
 The lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches. what is the percentile rank of a turtle whose length is 15 inches? I use the... more
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02/06/15

Which set of expressions represents three consecutive integers?
Which set of expressions represents three consecutive integers?
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02/05/15

I need some help with a word problem, the instructions get a little too complicated for me, which is why I'm in a math prep class in college.
An actor invests some money at 8% and $25000 more than four times the amount at 9%. The total annual interest earned from the investment is $54170. How much did he invest at each amount
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02/05/15

Find the distance
A surveyor on one side of a river wants to find the distance between points A and B on the opposite side of the river. On her side, she chooses C and D, which are 20m apart, and measures angles;... more
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02/05/15

find the smallest two consecutive integers such that five times the smaller is at least 8 more than three times the larger
Write an inequality and solve  
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02/05/15

Find the principle needed now to get the given amount; that is find the present value
to get $90 after 1 1/2 years at 4% compounded continuously.  What is the present value of $90?
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02/05/15

Homework Math help
At a grocery store, the number of customers arriving per hour is shown by the function f(x) = 2x+1. Find the number of customers that arrived in the 6th hour
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02/05/15

Word problem
The store is offering a 15% discount on all items. You have a coupon worth $2 off any item. Let X be the original cost of an item. Use a composition of functions to find a function c(x) that gives... more
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02/05/15

a man pawns his watch for $75.00. He goes back 14 days later and picks it up and pays $80.25. what is the annusl percentage rate he paid?
Need to know how to solve the question asked.
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02/05/15

Four students found a scale. The scale is only accurate for over 220 lbs. As pairs, they got 225,230,232,233,235,and 240 lbs. What weight is lightest?
This is a question from my homework. Please help, thank you.  
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02/05/15

Exchange Rates
In 2003, the exchange rate between the United States and Canada was about 3 Canadian dollars to 2 U.S. dollars. Cindy had 78 U.S. dollars to exchange when she visited Canada. How many Canadian... more
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