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SaltyPoro
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SaltyPoro
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11-06-2017
Last Activity
11-18-2017
07:05 PM
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11-18-2017,
06:05 PM
SaltyPoro
replied to a thread
Original Principle, different rates/investment
in
Beginning Algebra
a(1 + 0.08) - a(1 -0.07) = 750 a(1.08) - a(0.93) = 750 1.08 - 0.93 = 0.15 0.15 * a = 0.15a 750/0.15 = a a = 5000 This is correct right?
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3 replies | 220 view(s)
11-18-2017,
05:33 PM
SaltyPoro
started a thread
Original Principle, different rates/investment
in
Beginning Algebra
Linus and Macy put the same amount of money into different investments for one year. Linus' investments increased by 8%. Macy's investments decreased...
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3 replies | 220 view(s)
11-15-2017,
04:59 AM
SaltyPoro
started a thread
Solve 4 + 3 / 4 + x - 1 / 4 = 1
in
Beginning Algebra
I keep getting this equation wrong :confused: x + 3/4 + x - 1/4 = 1 This is my working out: 4(x+3) + 4(x-1) = 1 4x+12 + 4x-4 = 1 4x + 4x = 1 + 4...
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2 replies | 217 view(s)
11-15-2017,
04:18 AM
SaltyPoro
replied to a thread
How many boys must join the group to make the ratio 5:3
in
Beginning Algebra
So if the ratio is 5:3, and there are 30 girls, you get to 30 by multiplying 3 by 10, so I'm assuming you're meant to do the same with the 5? If...
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3 replies | 273 view(s)
11-15-2017,
03:46 AM
SaltyPoro
started a thread
How many boys must join the group to make the ratio 5:3
in
Beginning Algebra
The question is as follows: "In a group of 48 children, the ratio of boys to girls is 3:5. How many boys must join the group to make the ratio of...
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3 replies | 273 view(s)
11-15-2017,
03:14 AM
SaltyPoro
replied to a thread
Area of a right angled triangle missing height.
in
Geometry and Trig
I completely missed that. *facepalm* Thank you for the help :D.
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2 replies | 182 view(s)
11-15-2017,
02:31 AM
SaltyPoro
started a thread
Area of a right angled triangle missing height.
in
Geometry and Trig
I'm not sure how to solve this question. Am I meant to use Pythagorus' Theorum? Both triangles are right angled isosceles with the values of the...
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2 replies | 182 view(s)
11-13-2017,
02:21 AM
SaltyPoro
replied to a thread
Struggling a bit on (6m^4)^-2 x 9m^-3
in
Beginning Algebra
Yes. ;-; I spent ages trying to figure this question out, didn't realise there was a mistake in the sheet :mad:.
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8 replies | 340 view(s)
11-13-2017,
02:13 AM
SaltyPoro
replied to a thread
Struggling a bit on (6m^4)^-2 x 9m^-3
in
Beginning Algebra
Yep, I have that in my notes.
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8 replies | 340 view(s)
11-13-2017,
01:35 AM
SaltyPoro
replied to a thread
Struggling a bit on (6m^4)^-2 x 9m^-3
in
Beginning Algebra
The answer sheet on the bottom of the page had the answer as 9/m11 (As a fraction). I'm pretty sure I typed the expression correctly, the following...
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8 replies | 340 view(s)
11-13-2017,
01:21 AM
SaltyPoro
replied to a thread
P and Q Given, Find R so that RQ = 1/4PQ
in
Intermediate/Advanced Algebra
Wait a minute. O.o I tried the method you suggested above the first time I done it but I thought I was incorrect. The question is exactly as above...
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6 replies | 346 view(s)
11-13-2017,
01:14 AM
SaltyPoro
started a thread
Struggling a bit on (6m^4)^-2 x 9m^-3
in
Beginning Algebra
I'm having trouble simplifying this question below :( (6m4)-2 x 9m-3 I've done up to 6m-8 x 9m-3 but I have no idea how to get to the answer which...
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8 replies | 340 view(s)
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