JRHarrison90
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 Jessica Harrison
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 Questions Asked
 54
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 17
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 6

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 Questions Asked
 1
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 1
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 Questions Asked
 1
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 0
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 Questions Asked
 10
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 Questions Asked
 0
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 54
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 17
 Medals Received
 6

0 
Questions Answered

thaddus20:
Group Title
Simplify this expression.
5x(3x2 + 6)
…
 updated 4 months ago
 2 replies
 No Medals Yet
Mathematics

katee16:
Group Title
8x2 + 16x + 8 = 0
 updated 5 months ago
 2 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Solve the equation:
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Does the following system have positive solutions:
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Make a conjecture about 8Tn + 1 and then prove it.
Triangular numbers Tn. Hint, try several examples using numbers to get a pattern and mak…
 updated 9 months ago
 19 replies
 1 Medal
Mathematics

JRHarrison90:
Group Title
Prove:
3 divides (n^(3)  n) n is an element of N
…
 updated 9 months ago
 13 replies
 1 Medal
Mathematics

JRHarrison90:
Group Title
Prove directly:
Given that a, b, c is a Pythagorean triple, prove that qa, qb, and qc is a Pythagorean triple where q is contained in R, q …
 updated 9 months ago
 12 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
1 + 2^1 + 2^2 + 2^3 + 2^4 + 2^5 + ...2^n = 2^(n+1) 1. Prove
 updated 9 months ago
 8 replies
 3 Medals
Mathematics

JRHarrison90:
Group Title
It is weighin time for the local under 85 kg rugby team. The bathroom scale used to assess eligibilty can be described by Hooke's law, whic…
 updated 10 months ago
 32 replies
 1 Medal
Mathematics

JRHarrison90:
Group Title
Prove
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Prove that n^2 + 5n is divisible by 2 where n is in N.
 updated 11 months ago
 6 replies
 3 Medals
Mathematics

JRHarrison90:
Group Title
Show that any three integers contain a pair whose sum is even.
 updated 11 months ago
 9 replies
 No Medals Yet
Mathematics

arihudo:
Group Title
15<5(m7)
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
After driving around and undergoing a displace of delta rx = 20.1km and delta ry = 11.3km, a driver finds herself at position r2x = 31.9km…
 updated one year ago
 7 replies
 1 Medal
Mathematics

JRHarrison90:
Group Title
The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56s. At this rate, how many seconds would it t…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Let there be a trapezoid with bases a and b (a>b) and height h. Find the height of the triangle formed by the extensions of nonparallel side…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
How many grams of salt are needed to make 771 grams of saltwater that is 41.5% salt by mass?
 updated one year ago
 5 replies
 1 Medal
Mathematics

JRHarrison90:
Group Title
Determine whether the sets below are welldefined or not. For each welldefined set, state whether it is finite or infinite.
a) The set of…
 updated one year ago
 8 replies
 2 Medals
Mathematics

JRHarrison90:
Group Title
Decide whether the set of all real numbers of the form m+nroot(2) where m is in Z and n is E (E is the ring of all even numbers) is a integr…
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Let G be the group M2(Z5) under addition. List the elements of the subgroup <A> of G if A = [[0],[1]],[2],[4]]. Click for a better vision.
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Find all zero divisors in Z12
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Find the order of (1,4,2,3,5)(1,3,4,5).
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Express as a product of disjoint cycles: (1,4,2,3,5)(1,3,4,5).
 updated one year ago
 6 replies
 1 Medal
Mathematics

kittykitty:
Group Title
Find the 10th term in the addition pattern with the formula: 8n – 3
A.
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

fareastmovement13:
Group Title
round to the nearest hunderd 49,807
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

lol24:
Group Title
1. 8/9  10/3 =
a. 2/9
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

peacehopeemily:
Group Title
5 ^3sqrt(9y^2)*^3sqrt(24y)
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

sheemah44:
Group Title
Factor the expression x2 − 5x − 24.
. (x − 4)(x + 6)B. (x − 3)(x + 8)C. (x + 3)(x − 8)D. (x + 4)(x − 6)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

JRHarrison90:
Group Title
Find an isomorphism from the additive group Z6 to the multiplicative group G = {[a] is in Z7[a] does not equal 0}. Click for picture.
 updated one year ago
 15 replies
 No Medals Yet
Mathematics

allie_bear22:
Group Title
If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step?
5x − 6y = 6
…
 updated one year ago
 7 replies
 1 Medal
Mathematics
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