05/07/16

Find the x-intercepts.
Find the x-intercepts of the graph of: y= 2x2 - 18x - 6.
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05/07/16

a % word problem
Tom invested his savings in two investment funds. The $6000 that he invested in Fund A returned a 2% profit. The amount that he invested in Fund B returned a 6% profit. How much did he invest in... more
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05/07/16

How many ounces of dried apricots must be added?
How many ounces of dried apricots must be added to 18 ounces of a snack mix that contains 20% dried apricots to make a mixture that is 25% dried apricots?
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05/07/16

How long will it take them to be 50 feet apart?
Mrs. Smith challenged Sam to a duel with water pistols at 50 feet. They start walking in opposite directions. Mrs. Smith walks at 2 feet per second. Sam runs at 6 feet per second. How long will it... more
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05/07/16

Pre calculus
1) fin the value of sin(2 theta) cos(2 theta)=3/4 and 270 degrees< theta <360 degrees a) square root of 2/2  b) sqayre root of 2/4 c) nagative square root of 2/2 d) negative square root... more
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05/07/16

Precalc help please!
I sort of know how to do them but not enough to get the correct answer. Can you please help? Please walk me through the problem to get the answer. I really want to know how to do this. 1. Rewrite... more
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05/07/16

The first term is 2, and the second term is 20. The recursive formula is Tn = Tn-1 + Tn-2, then find the 4th term of the sequence.
please help!!!
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05/04/16

Business Math 2
The Dinner Shoppe spends $23,850 monthly on supplies. If supplies represent 33 1/3% of total expenses, what are the annual total expenses to the nearest dollar?
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05/03/16

statistics
Suppose I toss four pennies. Let X be the total number of heads showing on all pennies.  How do I find the probability distribution of X? 
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05/03/16

STATs question
Suppose I want to buy a tablet computer. I can choose either a large or a small screen; a 64GB, or 256 GB storage capacity and a black or white cover. What are the possible outcomes of the sample... more
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05/02/16

Juan has x apples and 8 oranges. How many fruits does he have? Give your answer in terms of x.
Juan has x apples and 8 oranges. How many fruits does he have? Give your answer in terms of x.
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05/02/16

write the first 4 terms of this sequence
a1 = 12 and an = an-1+4 for n is greater than or equal to 2.
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04/27/16

Please help me.
At 10 PM a 5 foot 6 inch tall young lady is directly below a street lamp which is on a pole 25 feet in the air. This young lady begins walking in a straight line away from the street light at 6... more
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04/27/16

Packages move 300 feet down a high-speed conveyor belt at a rate of r feet per second.
If the speed of the conveyor belt is increased by 5 feet per second, the packages travel that 300 feet in 3 seconds less time than before. Find r.
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04/26/16

The distance along a scenic route between cities is 344 miles. How long will it be before the two groups meet?
The distance along a scenic route between 2 cities is 344 miles. 1 group of tourists left from the western end of the route at 40 mph. Another group left from the east at the same time, traveling... more
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04/26/16

Write an equation for the line parallel to the x-axis through the point (0, 3)
I need some help with this problem. It's asking to write an equation for the line parallel to the x-axis through the point (0,3).
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04/26/16

A family has an annual income of $68,400 of which 1/4 is budgeted for housing, 1/5 for food, and 1/8 for transportation. What fraction is left for other things?
This question is for practice for a test.
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04/26/16

word problem solver
Beth  is 7 years oldear than Darnell. Darnell is two times as old as Juan . write formula that represents beths age in relation to juan
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04/26/16

How much does one coat cost?
On Monday a store sells 7 coats and 12 umbrellas for $399.45 and on Tuesday the store sells 3 coats and 25 umbrellas for $503.80. All coats cost the same and all umbrellas cost the same.
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04/25/16

Fraction of the class that works alone
In a class that contains both 5th and 6th graders, each student must do a class presentation. Each student may do the presentation alone or with a class partner. A 5th grader’s partner must be an... more
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04/25/16

mr lewis is going on a trip
He has 11 books he hasnt read yet, but he wants to bring only 2 on the trip. In how many ways can he choose 2 books to bring on the rrip?
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04/25/16

Please help I'm confused
In a sample of 21 hand-held calculators, 12 are known to be nonfunctional. If 8 of these calculators are selected at random, what is the probability that exactly 6 in the selection are functional?
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04/25/16

one number is 3 less than a second number twice the second number is 6 less than three times the first find the two numbers
I need finding the answer for my homework 
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04/24/16

Cost per linear feet and square feet
What is the cost of constructing a fence 6 feet, 6 inches, high around a lot measuring 90 feet by 175 feet, if the cost of erecting the fence is $1.25 per linear foot and the cost of materials is... more
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04/24/16

Exponential equations
ex+e-x=6  
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