Register
Help
Remember Me?
What's New?
Activity Stream
New Posts
New Events
Mark Forums Read
Forum
Math Lessons by Subject
Calculators/Solvers
Advanced Search
Home
Activity Stream
If this is your first visit, be sure to check out the
FAQ
by clicking the link above. You may have to
register
before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.
Activity Stream
Filter
Sort By
Time
Show
Recent
Recent
Popular
Popular
Anytime
Anytime
Last 7 Days
Last 7 Days
Last 30 Days
Last 30 Days
All
All
Photos
Photos
Forum
Forums
Filter by:
Popular
Forums
Clear All
New Activity (
)
Please reload this page to view the 200+ new activity items that have been created.
Older Activity
01-21-2018,
09:36 PM
Quick
started a thread
I forgot how to reverse foil (such as X^2 + 2X + 2)
in
Beginning Algebra
Take this equation: X^2+2X+2 If you reverse foil (I remember how to foil I think) would you get: (X+1)(X+1)
see more
19 replies | 951 view(s)
02-02-2018,
10:11 AM
richiesmasher
started a thread
Find angle of latitude: distance between P (63° N, 70°E), R (63° N, x° E) is 900km
in
Geometry and Trig
Hi I've done a question on latitude and longitude. It states : Take the radius of the earth to be 6400km and pi to be 3.142. (i)The distance...
see more
19 replies | 802 view(s)
01-31-2018,
11:54 AM
enoimreh7
started a thread
Biggest natural number whrer each of her figures is smaller ...
in
Intermediate/Advanced Algebra
Hello dear Sirs! We try to solve this Problem, may be, you could help us to find a beginning of the solution? Which is the biggest natural...
see more
18 replies | 709 view(s)
01-23-2018,
09:05 PM
tkhunny
started a thread
Forum Policy Discussion
in
Math Odds & Ends
… we're not a free consulting service.
see more
15 replies | 635 view(s)
02-02-2018,
11:59 AM
sheejave
started a thread
Find the number of pencils and the number of pens that Sharon can buy if she has to b
in
Pre-Algebra
A wooden pencil costs 30 cents and a pen costs 55 cents. Sharon is given $9.50 and is told to spend the money as much as possible on at least one...
see more
13 replies | 823 view(s)
02-09-2018,
12:22 AM
bennyJ
started a thread
Given five drawn shapes in a sequence, infer the next shape...?
in
Geometry and Trig
Several identical cubes are fused to form a solid object. Given the following five views of such an object, draw the sixth.
see more
13 replies | 772 view(s)
02-06-2018,
09:17 PM
magn
started a thread
Special Right Trinagle: "...Clay Ave, Rt 35 are straight, perp. to each other."
in
Geometry and Trig
Hello! I understand how to apply the 30-60-90 and 45-45-90 triangle ratios; however, I do not understand how these streets are in relation to each...
see more
14 replies | 444 view(s)
02-18-2018,
02:49 PM
Matts
started a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Farmer Ted wants to build two pastures side by side with shared wall between them. Ted has $4800 to spend. The fencing around the perimeter costs $3...
see more
15 replies | 320 view(s)
01-30-2018,
05:49 AM
mmm4444bot
started a thread
Cryptic Godsend?
in
Math Odds & Ends
Baboons without a degree are blessings (5)
see more
15 replies | 495 view(s)
01-22-2018,
09:34 AM
richiesmasher
started a thread
Balance to be repaid: cash price $12480; computer bought on hire purchase
in
Finance/Business Math
Hey, I have a question here and I'm mad at myself I can't figure it out, it's literally on the easy section. It goes, : ''The cash price of a...
see more
13 replies | 572 view(s)
02-02-2018,
02:18 PM
muzik
started a thread
Continuity lim x->-13*pi/14 cos(7x - cox(7x))
in
Calculus
Help please I should be able to just apply x into the function but I'm having trouble solving lim x->-13*pi/14 cos(7x-cox(7x)) I get to ...
see more
14 replies | 439 view(s)
01-29-2018,
04:27 AM
mariam90
started a thread
Davied has less than one-half the number of balloons that kaite has .
in
Beginning Algebra
1. Davied has less than one-half the number of balloons that kaite has . If David has d balloons and kite has K balloons has ,which of the ...
see more
12 replies | 597 view(s)
01-25-2018,
09:05 AM
JSITD
started a thread
Ratios Of Lines Within Quadrilateral (Proof): Show AX:XC is same as AB:BC
in
Geometry and Trig
(a) In a quadrilateral ABCD, the sides AB and CD are parallel, and the diagonal BD bisects angle ABC. Let X be the point of intersection of the...
see more
11 replies | 569 view(s)
02-08-2018,
09:13 PM
allegansveritatem
started a thread
how to write an equation and graph it given only one point on the line
in
Intermediate/Advanced Algebra
The instructions for this problem are: Given the ordered pair (1.3) write an equation for the line and graph it. I came up with this: x +y= 4. The...
see more
11 replies | 451 view(s)
02-01-2018,
01:23 AM
prepforcalc
started a thread
deriving v^2=v^2 + 2ax with calculus
in
Calculus
In the lines below, where does the 2Vo come from? The 2Vo I speak of is to the right of the first equal sign. . . . . .v(t)^2\, =\, v_0^2\, +\,...
see more
13 replies | 430 view(s)
01-28-2018,
01:50 AM
Jeane
started a thread
geometry of the derivative: applications of maximisation and minimisation
in
Calculus
Here is the question: the diagram(which I am unable to draw) has two parabolas in the first quadrant, one with a minimum at (3,7) and one with a...
see more
12 replies | 452 view(s)
02-06-2018,
10:55 AM
calc67x
started a thread
Can't understand this concept: lim_{x->infty} P(x)=(KP_0 e^{2x})/(K+P_0(e^{2x}-1))
in
Calculus
I had a math problem that I need help with. I already have the answer but I can't arrive at the explanation. It is the following: ...
see more
10 replies | 410 view(s)
01-24-2018,
09:28 PM
Hasoniii7
started a thread
100 animals 100dollars
in
Pre-Algebra
Hey, this one is different. Can you someone solve it for me? A farmer buys 100 animals for $100. Cow=$10 Sheep=$5 Chicken=$3 Rabbit=$0.50...
see more
10 replies | 499 view(s)
01-23-2018,
05:34 PM
trader90
started a thread
Want position-size eqn: X trading balance, Y% max loss per trade, Z% stop loss
in
Finance/Business Math
If X is my trading balance, Y% is max loss per trade and Z% is stop loss. For Example: X = $1000 trading balance Y= max loss per trade...
see more
9 replies | 674 view(s)
01-26-2018,
02:45 PM
SMcNeill
started a thread
Can someone prove this? (using A+(B-A)/2 instead of (A+B)/2 to avoid overflow errors)
in
Intermediate/Advanced Algebra
As a computer programmer, sometimes I have to deal with data-size limits when working with numbers, and I have to be careful of "OVERFLOW ERRORS"...
see more
9 replies | 466 view(s)
02-10-2018,
11:52 PM
mathdaughter
started a thread
Justify steps w/ property, definition, or operation: (3x + 10x) to x(3 + 10) to x(13)
in
Beginning Algebra
In the following, justify each step with a property, definition or an operation. 1. Justify going from (3x + 10x) + 2y to x(3 + 10) + 2y We...
see more
11 replies | 459 view(s)
01-24-2018,
05:51 AM
themuffinyamber
started a thread
Significant Figures in Mixed Operations Problem Driving Me Bonkers
in
Intermediate/Advanced Algebra
:confused: So this is driving me crazy. In my Chemistry class, we are learning about retaining significant figures and digits of precision in...
see more
10 replies | 424 view(s)
01-31-2018,
07:07 AM
supreme
started a thread
How to solve three-term ratio problem with two variables?
in
Intermediate/Advanced Algebra
This problem has me completely stumped: (600-x)/60:(800-y)/80:(1000+x+y)/100=3:4:5 How can I simplify this ratio in order to solve for x and y? I...
see more
9 replies | 310 view(s)
02-07-2018,
08:53 AM
richiesmasher
started a thread
Find missing angles In pentagon ABCDE and angle ABC=angle BCD=CDE
in
Geometry and Trig
Hello, here is a pentagon ABCDE and angle ABC=angle BCD=CDE Calculate giving a reason for each answer the magnitudes of angles (i) ABC and (ii)...
see more
10 replies | 394 view(s)
01-23-2018,
11:51 AM
Whutever42
started a thread
Superbowl Predictions?
in
Math Odds & Ends
I would like to know the probablity of which team will win (Pats or Eagles) and what score? Thank you in advanced!
see more
9 replies | 463 view(s)
02-08-2018,
01:13 PM
netrix
started a thread
Deli Flow: make sure the process is able to meet the demand of the catering business.
in
Arithmetic
Anyone care to help with this? Scenario: Imagine you are a leader at a small deli. The owner of the deli, your supervisor, has decided to expand...
see more
9 replies | 441 view(s)
Yesterday,
01:16 AM
Masaru
started a thread
Looking easy but hard question on geometry
in
Geometry and Trig
Please find the attached file and look at the diagram of a triangle. As you can see, we need to find the size of the angle marked "x" (i.e. angle...
see more
11 replies | 209 view(s)
02-08-2018,
03:41 AM
student_2018
started a thread
Physical Science II - Mph of a dragster at the finish line of a race- ?
in
Calculus
Please assist me with the following question : One "G" of acceleration is the rate at which an object will accelerate if it is dropped near the...
see more
8 replies | 381 view(s)
01-27-2018,
06:32 PM
Soliloquy
started a thread
Help: calculating poll results to decide on a new team name.
in
Probability / Statistics
Hi! Please help me create the Excel formula we need to rank the results of a poll to decide on a new team name. I really appreciate it!! We don't...
see more
8 replies | 464 view(s)
02-14-2018,
03:33 PM
richiesmasher
started a thread
Prove points A,P and E are collinear.
in
Intermediate/Advanced Algebra
In the figure, not drawn to scale, ABCD is a parallelogram such that (vec) DC = 3x and (vec) DA = 3y The point P is on DB such that DP:PB = 1:2 ...
see more
11 replies | 338 view(s)
More Activity
No More Results
No Recent Activity