# Activity Stream

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• 12-09-2018, 08:39 PM
I have been going through Robert Blixer's Introductory Algebra for College Students for the last year or so and am coming to the end of it. I wonder...
21 replies | 464 view(s)
• 12-12-2018, 09:12 PM
This is not, strictly speaking, an algebra problem, but it was included in the problems given at the end of a section in my algebra book. I am being...
19 replies | 315 view(s)
• 12-12-2018, 04:10 PM
So in many non-Math realms, I often find that people attempt to incorporate mathematical concepts into subjects but often are hazy at best when asked...
16 replies | 268 view(s)
• 12-12-2018, 12:04 PM
16 replies | 297 view(s)
• 12-11-2018, 10:15 AM
The question is: The numbers X, Y and Z satisfy Y^2 = XZ Find Z if X = sq.root 3 and Y = 1-sq.root 3 here's what I did so far: taking the Y...
15 replies | 355 view(s)
• 12-10-2018, 02:28 PM
Yawn
13 replies | 433 view(s)
• 12-11-2018, 07:58 PM
Not tutoree?
13 replies | 217 view(s)
• 12-09-2018, 12:13 PM
Working with my 9 year old son on multiplying and dividing fractions. Without any understanding but playing with a calculator he worked out that...
12 replies | 413 view(s)
• 12-13-2018, 03:49 PM
I have f(x)={ 2x-1,x<=1} { x^2,x>1} Now,after this the problem requires me to find the antiderivative of f(x) which is F(x)(the...
13 replies | 181 view(s)
• 12-10-2018, 03:14 PM
Otis started a thread Cryptic Expense in Math Odds & Ends
Impoverished Lola captivated by surgeon's bills (7)
11 replies | 344 view(s)
• 12-09-2018, 01:39 PM
Actually I start my work day with a shot of Jack Daniels and coke (only Joking). Fine, the start of the day starts off with 4 songs and then a...
10 replies | 241 view(s)
• 12-08-2018, 08:45 PM
Here is the problem: Here is my solution and my solution checking: I tried this problem various times and always got the same answer....
10 replies | 275 view(s)
• 12-13-2018, 02:57 PM
Kristen wrote numbers in 5 of the 10 circles as shown in the figure.She wants to write a number in each of the remaining 5 circles such that the sums...
8 replies | 153 view(s)
• 12-13-2018, 01:06 PM
A little monkey is playing with his calculator. He starts with the number 12. He multiplies or divides the number by 2 or 3(if possible) 60 times...
10 replies | 187 view(s)
• 12-10-2018, 12:10 PM
I have been stuck at a question for 3 hours, so I decided to look up the answer on the internet. This is the answer:
7 replies | 228 view(s)
• 12-09-2018, 06:08 AM
Three roommates share household supplies and split the costs. Each buys items and adds the items to the ledger. At the end of the month they...
7 replies | 200 view(s)
• 12-09-2018, 09:04 AM
Hi all Can anyone help me with the solution of those 2 problems for my final exam revision 1) A loan of $8,000 is to be repaid with quarterly... 8 replies | 203 view(s) • 12-12-2018, 04:19 PM Hi, Ok, I'm trying to help my daughter with her math... we have this poorly written question (imo), and I can figure out the answer, but not the... 7 replies | 255 view(s) • 12-12-2018, 05:19 AM Hi All, Can anyone provide me some problems with solutions for following topics: Compound interest Amount & present value Nominal & Effective... 7 replies | 161 view(s) • 12-09-2018, 12:08 PM Hi there, This is my second post on this forum, I'm self studying Algebra from a book called: Teach Yourself Algebra: A Complete Introduction.... 5 replies | 257 view(s) • 12-10-2018, 12:28 PM A house is valued at$15,000, and it is insured for $8,000 under a policy containing an 80% coinsurance clause. If a fire should causes a$7,500...
6 replies | 245 view(s)
• 12-11-2018, 12:45 AM
I don't understand how they are justifying the replacement that is being made in this example. It makes sense but I can't quite grasp the logic...
6 replies | 345 view(s)
• 12-13-2018, 03:25 AM
≥ 25 : does it mean value equal to 25 or less than 25 ? < 8: does it mean value greater than 8?
6 replies | 135 view(s)
• 12-08-2018, 11:47 PM
A radio station plays songs that last an average of 3.5 minutes and has commercial breaks that last 2 minutes. If the station is required to play 1...
6 replies | 224 view(s)
• 12-10-2018, 03:10 PM
Hi. This is more of a pre-calc question. I was asked to create a formula for a polynomial function with the following information: degree of 4, a...
6 replies | 233 view(s)
• 12-12-2018, 08:08 PM
Hello I have simplified this logarithmic function: h(x)=0.25*log_2 ((8x-56)^(16)) - 12 to g(x) = 4*log_2 (x-7)
6 replies | 200 view(s)
• 12-12-2018, 07:47 PM