# Activity Stream

• Yesterday, 11:02 PM
4+4 To the left of the + we are multiply 4, .5^4 and .6^3. To the right of the + we are multiplying 4, .5^4, .6^3 and .4 What is underlined is...
2 replies | 15 view(s)
• Yesterday, 10:44 PM
It may help to write everything in fractional form. .5 = 1/2 .6 = 3/5 .4 = 2/5 .3 = 3/10
2 replies | 15 view(s)
• Yesterday, 10:13 PM
You did a great job explaining it as I understand what you are saying perfectly. My biggest concern is that I do not think I could ever have come up...
2 replies | 40 view(s)
• Yesterday, 10:04 PM
Perhaps we need to back up. What DO you understand about significant figures and rounding? Do you know that when we use rounded numbers or...
10 replies | 184 view(s)
• Yesterday, 09:58 PM
I would start by imagining what a choice looks like in the context of the whole alphabet. Here is one: ABCDEFGHIJKLMNOPQRSTUVWXYZ Since the...
2 replies | 40 view(s)
• Yesterday, 09:40 PM
1. Why 'the ones and tenths places can't be trusted'? 2. Where did you get 1900 from ' drop the digits to the right of it (1900)'? 3. Why is it...
10 replies | 184 view(s)
• Yesterday, 09:06 PM
Using an ordered alphabet of 26 letters, how many ways are there to choose a set of six different letters such that no two letters in the set are...
2 replies | 40 view(s)
• Yesterday, 08:35 PM
Hi, it's been a while since I've studied and now going into the Actuary exams. Was wondering if someone could clarify how the following was...
2 replies | 15 view(s)
• Yesterday, 08:30 PM
Since "negative" as an adjective means "less than zero", and vectors can't be compared as greater or less, there is no such thing as a negative...
3 replies | 33 view(s)
• Yesterday, 08:24 PM
In a "linearly ordered set" such as the real numbers, rational number, integers, .... you can identify one element a "0", elements to one side as...
3 replies | 33 view(s)
• Yesterday, 08:24 PM
Here is the straightforward answer: Since you multiplied the expression by x(x+3), you changed the value. But the goal is to rewrite the expression...
4 replies | 128 view(s)
• Yesterday, 07:59 PM
It is a vector which has magnitude and direction.
3 replies | 33 view(s)
• Yesterday, 07:51 PM
3 replies | 33 view(s)
• Yesterday, 07:10 PM
Actually, handing out answers is (as we've learned from hard experience) NOT of great help (other than to active cheaters). Instead, please reply...
6 replies | 88 view(s)
• Yesterday, 07:05 PM
You can't "multiply through" when there is no "equals" sign through which to multiply! ;)
4 replies | 128 view(s)
• Yesterday, 07:00 PM
Okay; what method(s) or formula(s) have they given you for this? How far have you gotten in applying this information? Where are you stuck? Please...
4 replies | 99 view(s)
• Yesterday, 06:47 PM
Thanks for helping, I am still confused and the answer to the missing side length NY would be of great help. Sent from my LGMS210 using Tapatalk
6 replies | 88 view(s)
• Yesterday, 06:05 PM
You posted numbers on the picture. Were they random numbers that you placed on the triangle? I doubt that. So yes, you can do better at explaining...
6 replies | 88 view(s)
• Yesterday, 05:53 PM
So you think that \frac{2}{6}= \frac{2+5}{6+5} and \frac{5}{6}= \frac{5^2}{6^2}. None of this is true. Your statement only holds for multiplication...
4 replies | 84 view(s)
• Yesterday, 05:45 PM
Hint: The length of vector <a,b> is (a2 + b2)1/2
6 replies | 61 view(s)
• Yesterday, 05:43 PM
It was a typo which is now fixed. But to answer your question, \$=#
2 replies | 73 view(s)
• Yesterday, 05:35 PM
Soooo....what is size of each of the interior angles?
8 replies | 98 view(s)
• Yesterday, 04:33 PM
Oh........I've really misinterpreted that. I thought the question had to be easier that the way I saw it -story of my life-finding something complex...
8 replies | 98 view(s)
• Yesterday, 04:02 PM
You are completely misreading the problem. The want you to continue the pattern by adding more pairs, like this, where I have added in one more...
8 replies | 98 view(s)
• Yesterday, 03:51 PM
You're quoting from the first link I gave, right? The author takes 450 as if it were 4.5*10^2, with the zero not known (because it might have been...
10 replies | 184 view(s)
• Yesterday, 03:24 PM
6 replies | 61 view(s)
• Yesterday, 02:09 PM
Oh dear-now I said 'heptagon' when I meant hexagon!!!! Just to get it clear at last- the angles I sea, looking at the diagram are:
8 replies | 98 view(s)
• Yesterday, 01:55 PM
Simplify, rounding 1247 + 134.4 + 450 + 78 to the appropriate number of significant digits. Looking at each of the numbers they've given me, I see...
10 replies | 184 view(s)
• Yesterday, 01:54 PM
tkhunny replied to a thread Calculating Averages in Arithmetic
Word of warning. An average of averages is unlikely to be what you want.
4 replies | 79 view(s)
• Yesterday, 01:52 PM
Please plot this point on a set of coordinate axes. Which direction must you face in order to walk directly to the given point? Normally, an...
1 replies | 30 view(s)
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