04/02/14

Amanda's problem with money
Amanda borrowed money from her sister 3 months ago. She has been paying her back the same amount each month and currently owes her 60$. In 3 months she will have paid off her debt. Create a table   
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04/02/14

word problem
Loudon County Phone Company charges a $100 activation fee plus a monthly fee of $0.05 per minute for every minute over 200 minutes each month. (So, there is no monthly charge for 0 – 200 minutes of... more
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04/01/14

$18,000 invested into three accounts that pay 4%, 5.5% and 8.25% twice the amount invested into the 5.5% account as there is in the 4% account.
$18,000 invested into three accounts that pay 4%, 5.5% and 8.25% twice the amount invested into the 5.5% account as there is in the 4% account. If these accounts earned $1065.75 in total interest,... more
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03/31/14

how do I describe and correct The error?
-6(x-5) = -6x - 30
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03/30/14

how do you find explicit formula answer
11,1,-9,-19,-29  
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03/30/14

sin2x = tanx(2-2sin^2 x)
please help me solve this. I'm very confused on this topic and my teacher wasn't any help.
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03/29/14

simplify solutions that are undefined
Did I solve these solutions correctly,     1.  12^a^5                        2                                         2         6a         =              1^a^5 - a           ... more
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03/28/14

basic word problem help
ok, its been a long time since i've done algebra (20 years). Here is the problem:   Woman sells dog leashes and collars on the weekends at dog shows. One weekend she sold a total of 34 leashes.... more
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03/28/14

Which of the following?
The first and third terms of an arithmetic sequence are -1 and 5, respectively. Which of the following is the sixth term?    a) -25 b) 11 c) 14 d) 29 e) 3125   Please show all your work.
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03/27/14

problem solving question
Tony had an equal number of cranberry bars and walnut bars. He gave away 66 cranberry bars, he had 4 times as many walnut bars as cranberry bars left. How many bars did he have at first?
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03/27/14

Word Problem
Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7... more
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03/26/14

Solving a system of equations problem
4x-8y=20 -2x+4y=-10
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03/26/14

One of two adjacent angles has a measure of 45 degrees. If the whole angle is 75 degrees, how big is the other adjacent angle?
Math homework; Seventh grade.
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03/25/14

Verify the identity. ( cot x -csc x)^2 = 1- cos x/ 1+cosx
I don't understand how to verify the identities its one of the topics that I struggle with! Any help would be appreciated!
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03/25/14

Exponents show all work please
Simplify  Show work. Make sure that your final answer has no negative exponents   (-4m-2n-3)(nm)3
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03/25/14

Simplify and show work
Simplify Show work. Make sure that your final answer has no negative exponents.   48a-3b2c5/6a3b-1c4 
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03/25/14

If you drive to your spring break destination at a steady 60 miles per hour and return at a steady 40 miles per hour, what's your average speed for the trip
If you drive to your spring break destination at a steady 60 miles per hour and return at a steady 40 miles per hour, what's your average speed for the trip
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03/24/14

How do you divide this without a calculator?
2 √5
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03/24/14

Given the geometric sequence, find an explicit formula
Given the geometric sequence: 14, (140/11), (1400/121).... Find an explicit formula for An. An= Find A11=    
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03/24/14

distance and notation show all work
1a. Which of the following represents the distance between 12.4 and – 6.9 on the number line?       A. | 12.4 | – | -6.9 |      B. | -6.9 - 12.4|      C. | 12.4 - 6.9 |      D. | –6.9| – |... more
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03/23/14

select appropriate values of x that are solutions to f(x)=0, where f(x)=+3x^2+9x+7
I need  to select appropriate values of x that are solutions to f(x)=0, where f(x)=-3x^2 +9x+7
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03/23/14

Word problem
At the local video rental store, jose rents 2 movies and 3 games for a total of $15.50. At the same time  Meg rents 3 movies and 1 game for a total of $12.05. How much money is needed to rent a... more
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03/23/14

write the sum using sigma notation
Write the sum using sigma notation: 1+2+3+4+......+105= A ∑ n=1 B A= B=  
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03/23/14

evaluate the following
20 ∑ n=o (-1)n2n 
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03/23/14

factoring polynomials
Did I factor this polynomial correctly?   1.  25x^2 - 36y^2 =    =  (5x)^2 - (6y)^2    = (5x + 6y)(5x - 6y)     would you help  me with these factoring polynomials.   1.  x^2 + x -... more
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