# Activity Stream

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• 12-10-2017, 07:55 AM
Hello, Please I need help solving this : x=1+ω^x+ω^2x
11 replies | 364 view(s)
• 12-14-2017, 10:36 PM
I have 3 equations: k1ek20 + k3 = 0 k1ek20.1 + k3 = 1 k1ek21 + k3 = 100 I have simplified the first equation to: k1 = -k3 and the second...
12 replies | 239 view(s)
• 12-14-2017, 03:22 PM
My question is about basic algebra. I am thinking about the "why" here and I'm looking for an intuitive answer. If you have the following...
10 replies | 249 view(s)
• 12-13-2017, 11:38 AM
Money Growth = Inflation + Real growth rate Inflation = Expected inflation + 1 x (real growth rate - potential growth rate) I know: Money growth...
8 replies | 259 view(s)
• 12-11-2017, 09:29 PM
Is it mathematically correct to have a decimal as a numerator and one (1) as a denominator as in 0.5/1? I think that it is correct because of...
9 replies | 228 view(s)
• 12-14-2017, 09:02 AM
If a person weighs 15 stone 3 pounds and there body fat percentage is 33%. Then loses 1 stone in weight which is all actual body fat. What would...
7 replies | 188 view(s)
• 12-14-2017, 07:33 PM
A rectangular piece of copper is 6 inches longer than it is wide. To make a tray, a one-inch square is cut out of each corner and then the sides are...
6 replies | 213 view(s)
• 12-12-2017, 05:08 PM
Need help with number VII. I dont know what it means by sub compounding rate and how the final answer is 12.
6 replies | 182 view(s)
• 12-14-2017, 01:42 PM
Hi everyone. I am struggling with solving the following equation. 11^a=9 (mod 23) I know that we have to use logarithms here, but do not know...
6 replies | 160 view(s)
• 12-11-2017, 07:41 PM
Charlie is the oldest child in the Brown family. He is seven years less than three times as old as his sister Sally. Sally is three years older than...
4 replies | 154 view(s)
• 12-14-2017, 10:01 AM
Is there a procedure (or process) that can be followed to transform a formula or an equation that uses metric units to an equivalent one that uses US...
5 replies | 151 view(s)
• 12-13-2017, 04:44 PM
Suppose line A equals line B and line C equals line D. Can you use the SSS Postulate to prove triangle A equals triangle B? I do not know how to...
6 replies | 140 view(s)
• 12-13-2017, 03:59 PM
(see attachment)
6 replies | 137 view(s)
• 12-15-2017, 11:50 AM
I am having a bit of trouble with the following equation: (100p-4000/100p)=.3 Honestly, I don't know where to start with this one and would...
5 replies | 106 view(s)
• 12-11-2017, 08:17 PM
having trouble finding all the angles. I can get: sec 2x = 2 = cos 2x = 1/2 2x= pi/3 x= pi/6
5 replies | 199 view(s)
• 12-14-2017, 11:29 AM
Hello Again!! I've just finished my first semester of calculus.. YAY! I still have a few questions on some topics from the class that I didn't...
4 replies | 182 view(s)
• Yesterday, 03:22 PM
Hello, I have the following problems: 1. Draw a right angled triangle of which an acute angle measures 60 degrees and the radius of the incircle...
4 replies | 64 view(s)
• 12-13-2017, 05:18 PM
Let's say i have the numbers 1 to 100 Within the range of these numbers there is a combination of 25 numbers which ascend but never repeat. For...
4 replies | 162 view(s)
• 12-14-2017, 01:58 AM
Problem: 3((e^2x)/(e^x-3))+2=7 What I did. (3e^2x)/(3e^x-3)=5 3e^2x-(x-3)=5 e^2x-(x-3)=5/3
5 replies | 137 view(s)
• 12-14-2017, 11:51 PM
What's the range?
5 replies | 131 view(s)
• 12-14-2017, 02:07 AM
Problem: (x^2-9)/(3x^2+1) 3x^2+1 --> (3x+1)(x-1) so why isn't the domain all reals except 1 and 1/3? Thanks
5 replies | 118 view(s)
• 12-14-2017, 06:12 PM
Hi all, I hope this is the right board to post this question! I have a spreadsheet that was forwarded to me, it has a couple of formulas for a...
3 replies | 105 view(s)
• 12-13-2017, 10:57 AM
Hi. I've got a couple of problems which i can't continue solving because i get stuck and im not figuring a way to solve it. Here's one of the...
3 replies | 73 view(s)
• 12-10-2017, 05:36 PM
Came across this interesting(?) problem: We have straight path X to Y, distance = 4d miles. A leaves from X at same time as B leaves from Y....
3 replies | 147 view(s)
• 12-12-2017, 12:36 AM
Here is the question: Find the volume of the solid obtained by rotating the region bounded by the curve y = 4 − x2, thex-axis and the y-axis about...
2 replies | 135 view(s)
• 12-13-2017, 06:28 PM
Hello all, I have the following problem: The values in blue are known. So C is known, F is known, and the relation between angles S and T is...
3 replies | 132 view(s)
• 12-12-2017, 08:10 PM
First year engineering checking in, revision for Semester One tests and cant find any notes on how to solve this, Q: f(x)=1/ (i) Find...
2 replies | 115 view(s)
• 12-11-2017, 10:35 PM
Problem: Divide $1,500,000 into three parts one group:$25 second group $50 third group$100 Each group must contain the same number...
2 replies | 115 view(s)
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