08/19/14

50% of the difference between 2729.22 and 1640.00
50% of the difference between the total cost and the amount already paid. Total cost-2729.22 already paid 1640.00
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08/15/14

Use the Change of Base Formula and common logs or natural logs to approximate the value of:
log12 (3/8)   Thank you
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08/15/14

So my equation is 9 = 2.0 + 2.768 ln(x) I'm not sure what steps to take.
subtract 2 from both sides 7 = 2.768 ln(x)   Then I just go blank I raised it to e after also adding 2.768 but I'm pretty sure that's not correct. 4.232 = ln (x) e^4.232 = x   I'm so sure... more
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08/15/14

How to solve it with equations
The gardening store sells clay flower pots, which hold 1 liter of dirt, and ceramic flower pots, which hold 5 liters. Matthew bought 27 flower pots, which will hold a total of 63 liters of dirt.... more
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08/15/14

why exact size of an atom can not be determined??
why exact size of an atom can not be determined??
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08/14/14

Solve 3(10x) -1 = 23
Please show all steps. I do not have a proper calculator   If the answer is not an integer, enter it as a decimal rounded to the nearest, hundredth if needed
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08/14/14

word problem formula needed
If someone gets paid 5 cents per minute for one chore, and 3 cents per minute for another kind of chore, and they work for 50 mins. total, What is a formula to show how much they earned?
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08/14/14

How do I get to the answer (z-2) from ((z^3)-8)/((z^2)+(2*z)+4)?
I'm stuck at factoring out cubed z. So far, I've factored the expression ((z^3)-8)/((z^2)+(2*z)+4) into ((z-2)^3)/z(z+2)+4. I'm not sure I've done this correctly in the first place, mostly because... more
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08/14/14

80 cubic ft.per minute,each cubic ft weighs 20pounds how many pounds per minute?
80 cubic feet caught per minute,each cubic foot weighs 20 pounds how many pounds per minute how many tons will be caught in a 20 hour work day?
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08/14/14

how do i solve this problem
y+xy+4 x=0 and y=-3
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08/14/14

Newtons law of cooling
Sir Isaac Newton investigated the cooling process of water temperature and showed that the temperature change is exponential in time and can be predicted byTdiff=T0e-ktWhere Tdiffis the difference... more
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08/13/14

Solve ln(x+3)^5 +9 =19. If the answer is not an integer, enter it as a decimal. Round to the nearest hundredth, if needed.
Please show steps. I do not have a proper calculator so please do not tell me to use one to solve...thanks
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08/13/14

1.003 + 47
1.003 + 47  
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08/13/14

find the half-life to the nearest tenth of a year of a radioactive substance that decays from 75 mg to 13.5 mg in 23 years
according the the exponential decay model y=ae^bx where a is the initial amount and y is  the amount remaining after x years. HINT: Find the b -value, then use this value to write the exponential... more
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08/13/14

solve for x.
23              25 ____ +8=  _____   x                x
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08/13/14

Word Problem!
Dimitrius returned 5 library books last week, returned 3 books this week, and then checked out 8 more books. He now has 12 library books. How many books did he have before last week.
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08/13/14

102% of 200 is what number?
102% of 200 is what number? 
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08/13/14

What is the reciprocal, or multiplicative inverse, of any nonzero real number a is 1/a?
Algebra 1 Vocabulary
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08/13/14

System of equations
A farm has 200 acres available to plant cabbage, watermelons, and beans. An acre of cabbage requires 5 hours of labor, watermelon 6, beans 4. There are 1000 hours of labor available.    1.Set up... more
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08/13/14

find the sum of the first five terms. 3, 12, 48.
What is the geometric sequence
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08/13/14

What is a rational exponent?
What is a rational exponent? How are rational exponents related to radicals? Give an example of how an expression with a rational exponent can be rewritten as a radical expression, and simplify the... more
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08/13/14

find the slope of the line that passes through the pair of points (-3,1) and (2,-5)
im practicing for a test 
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08/12/14

please tell me all usage of that is this Example is right : He is thinking about you . thanks
Hi sir /Madam. My question is about the verb( think) the verb think is out of control verb out of control verb we can not use in the continuous tense please tell me all usage of the verb think is... more
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08/12/14

solve 2(5^x)-1=15
solve for x. if the answer is not an integer, enter it as a decimal rounded to the nearest hundredth if needed
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08/12/14

Find the length and width of the original piece of cardboard.
The length of a rectangular piece of cardboard is 3in longer than its width. A square piece that measures 2in on each side is cut from each corner and then the sides are turned up to make an... more
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