# Activity Stream

Filter by: Popular Last 30 Days Clear All
• 06-15-2018, 10:42 AM
f(x) = 1/x is given as an example of an 'involution'-that is, the inverse of the function (the function that maps the output to the input) In the...
30 replies | 637 view(s)
• 06-12-2018, 03:45 PM
Where I live there are a lot of credit cards that offer a loan of money and charge a handling fee, but then offer a 0% interest charge for the period...
25 replies | 917 view(s)
• 05-29-2018, 01:46 PM
Hello. I am trying to tackle this inequality: . . . . .\log_{\frac{1}{2}}(2x\, -\, 1)\, -\, \log_2(5\, -\, 3x)\, \leq\, 0 First, find the...
21 replies | 796 view(s)
• 06-08-2018, 04:05 PM
(4x + 8) (7x-3) ________ = _________ 6 4 What I've tried is working up by one number at a time, like...
20 replies | 746 view(s)
• 06-11-2018, 02:44 AM
How to calculate B = root A^2 + A^2 + 2AA Cos theta? The steps are below B = root A^2 + A^2 + 2AA Cos theta = first step, root 2A^2 (1 + cos...
20 replies | 614 view(s)
• 06-05-2018, 08:35 PM
A function is given by f (x)= ax^2-6x+ b sin (3x) where a and b are real constants. Examine which values of a and b are possible if the function has...
18 replies | 640 view(s)
• 06-08-2018, 07:56 AM
An executive receives a severance pay of one fourth of his annual salary of $100,000.00. for 10 years. How much would he receive annually? 0.25 *... 16 replies | 492 view(s) • 05-30-2018, 09:45 PM Hi everyone, I'm having a hard time with understanding how to use calculus to find the volume of a solid. It's usually most intuitive to... 17 replies | 593 view(s) • 06-01-2018, 11:07 AM Hello, I am having trouble answering a question from my statistics homework. I do not know how to get started. Please walk me through it like you... 17 replies | 552 view(s) • 06-10-2018, 07:38 PM 23/26 of these I got right, but three are throwing me, try as I might: 9 x 6 / 23 / 4 = What I'm doing; 2x2x2 = 8, so 9 x 6 / 8 / 4 = 9... 16 replies | 500 view(s) • 06-11-2018, 09:07 AM Given this formula for a five year repayment plan where C= Amount borrowed; A = amount repaid each year; i = annual interest rate (AIR) expressed as... 16 replies | 553 view(s) • 06-09-2018, 05:49 PM Hi. if you find any fault in this proof please let me know since I couldn't find an answer on the back of my math book. Prove that 1^3 + 2^3... 13 replies | 696 view(s) • 06-18-2018, 02:32 AM (43 X 57) ÷ (7 X 13) + (18 X 29 X 57) ÷ 47 = ? Right answer is 660 approx. I should not use calculators etc, I should do this sum in few... 12 replies | 366 view(s) • 06-10-2018, 02:42 PM Hey guys, something I ran into that is throwing me through a loop a little. Looking for some input/explanation? For Absolute Value equation... 13 replies | 358 view(s) • 06-11-2018, 05:32 PM I am trying to work out if 4a^3+5a is always a multiple of 3 for positive integers. I have thought about splitting a into odd and even numbers: So... 11 replies | 379 view(s) • 05-30-2018, 05:43 PM Problem 44. I tried, truly lost on this one. Sent from my LGMS210 using Tapatalk 12 replies | 550 view(s) • 05-30-2018, 09:29 AM Hi everyone. I just joined and am hoping for some help that is now unfortunately beyond me. I'm learning share market investing and have been going... 10 replies | 585 view(s) • 06-02-2018, 10:28 PM Suppose you have a 20 year mortgage. When you get your mortgage statement there is an interest charge and a principle charge. If each month you pay... 11 replies | 457 view(s) • 05-27-2018, 12:06 PM Which option or "formula" from below do I use to find the total land area AND WHY? >>>>>PLEASE STATE AND EXPLAIN WHY IT'S USED OVER THE OTHERS<<<<< ... 10 replies | 556 view(s) • 06-09-2018, 02:23 PM This is extremely important for a major paper I am working on. I need answers for multiple questions - 1. How many standard deviations from the... 11 replies | 307 view(s) • 05-29-2018, 11:49 PM 8 replies | 456 view(s) • 05-25-2018, 11:30 AM Question: ABCDE.......is a regular polygon with n sides. Write an expression for the size of angle ACD in terms of n. So I drew this: This... 10 replies | 399 view(s) • 05-25-2018, 05:11 AM Hi guys, Can anyone help me understand how to calculate the quantity of an item and the price? I.e. If I buy 3 sandwiches for £1, how many... 8 replies | 399 view(s) • 06-19-2018, 05:51 PM Jomo started a thread Jomo_Denis in Math Odds & Ends I'll have 2000 posts before you have 20. 11 replies | 197 view(s) • 06-07-2018, 05:58 AM Good Morning, The question is simple. Work out the difference between 33 minutes and 7 seconds and 6 minutes 50 seconds. My working out... 9 replies | 390 view(s) • 06-02-2018, 06:07 PM Hey guys, We are a total of 3 roommates in a 3 bedroom house. The total rent is:$1600. We have decided that the person in the master bedroom will...
8 replies | 363 view(s)
• 06-14-2018, 05:39 AM
Unfortunately I can't use latex yet so advanced apologies for messy notation: heron's Formula: A = sqroot: s(s-a)(s-b)(s-c) where s =a=b+c/2...
10 replies | 347 view(s)
• 05-31-2018, 05:08 AM
Which of the following expressions, if any, are equal for all real numbers m ? I. m2⎯⎯⎯⎯⎯√ II. ||−m|| III. −||m|| I and II only
8 replies | 341 view(s)
• 06-06-2018, 12:50 AM
There are 34 people in line to get into a theater. Admission costs 50 cents. Of the 34 people, 28 of them have a 50-cent piece and 6 have a \$1 ...
8 replies | 636 view(s)
More Activity