Questions Answered

kwenisha:
Evaluate \[\sum_{k=0}^{n}(4)^{k}\](n+k choose 2k) in closed form.
 updated 2 years ago
 10 replies
 1 Medal

Pippa:
Help with solving integrals
 updated 2 years ago
 21 replies
 4 Medals

StarFruit:
Can someone please remind me what exponent laws are? I kind of remember i kind of dont...
 updated 2 years ago
 6 replies
 1 Medal

BbyGyrl:
(3+2*square root of 18)(2+ 2*square root of 50)
 updated 2 years ago
 3 replies
 No Medals Yet

Niakraya:
how do you write two equivalent fractions using this fraction 1/6
 updated 2 years ago
 7 replies
 4 Medals

keke15:
square root of 45 plus square root 45 plus square root 27
 updated 2 years ago
 6 replies
 1 Medal

StarFruit:
(6x + 14)  (9x + 5)
 updated 2 years ago
 7 replies
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eric2122:
how do you solve the following:
lim 3x1
x> 2 2x(2x)3
 updated 2 years ago
 1 reply
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natth88:
What is the selling price? Cost: $12.50
markup rate: 60%
 updated 2 years ago
 3 replies
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sidmanfu:
There are 20 cookies eaten out of a box of 40. What percent of the cookies have been eaten?
 updated 2 years ago
 6 replies
 1 Medal

Hermella:
My dad went out to get some supplies for my project. I was too lazy to do it before and I did it last minute. I am the only child, which is …
 updated 2 years ago
 5 replies
 No Medals Yet

sidmanfu:
5.6m = how many decimetres?
 updated 2 years ago
 6 replies
 4 Medals

tconroy:
My question is about MLA works cited page: If I have a book with no author and starts with a date in the title, where is that placed in the …
 updated 2 years ago
 2 replies
 1 Medal

cshalvey:
Derivation of mean, mode, and median:
 updated 2 years ago
 9 replies
 2 Medals

nslt11:
The perimeter of a square is 8 meters.
What is its area?
 updated 2 years ago
 5 replies
 3 Medals

AngelDreamGurl:
bigger?
0.857 or 6/7
 updated 2 years ago
 1 reply
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amu12:
81 is 120% of what number?
 updated 2 years ago
 19 replies
 1 Medal

solomon_pope:
2+6
R
…
 updated 2 years ago
 1 reply
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bigd13:
CAN SOMEBODY ANSWER ONE OF MY QUESTIONS PLEASE! THE LAST ONE GOT DELETED FOR SOME REASON
How many coefficients does this polynomial have in …
 updated 2 years ago
 10 replies
 2 Medals

Hermella:
how is making a paper airplane related to math…
 updated 2 years ago
 5 replies
 1 Medal

lol_yo:
What is the LCM of 12 and 8…
 updated 2 years ago
 1 reply
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lol_yo:
What is the LCM of 10 and 4…
 updated 2 years ago
 2 replies
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Loving:
is 3(11/16) = .59 if you have to convert it to a decimal?
 updated 2 years ago
 5 replies
 1 Medal

Hermella:
What does making paper air planes have to do with math…
 updated 2 years ago
 3 replies
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Preetha:
Are you an OpenStudy Ambassador?
Are you friendly? Sociable? Willing to help anyone! Are you the student who went to welcome a new kid in …
 updated one year ago
 26 replies
 14 Medals

jesseabney:
describe how to solve x + 7 > 10. List the steps that it takes to solve this inequality. After you list the steps, describe in words how te…
 updated 2 years ago
 5 replies
 5 Medals

Hermella:
is there a website similar to type to learn…
 updated 2 years ago
 4 replies
 1 Medal

Hermella:
is there a website similar to type to learn…
 updated 2 years ago
 5 replies
 2 Medals

uhveishuues:
Please help me
 updated 2 years ago
 5 replies
 1 Medal

Hermella:
what are the symbols in roman numerals…
 updated 2 years ago
 3 replies
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