# Posts by PsyDAG

Total # Posts: 23,393

math (?)
What items? You cannot copy and paste here.

Math
-3 - 2 + 9 = ?

Math (?)
What size tiles?

ICT(?)
Lacking data.

ICT (?)
Lacking data.

life orientation (?)

DPS
10m + .1m(5*12) = ?

Science
Advice to the exam-lorn ("test wiseness") I. Answer easy items first. If have to think about any question after reading for more than a minute, move on. A. Can get Qs you are sure of correct within the time limit. Spending too much time on hard questions, might keep ...

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 5/14 * 2/(14-1) = ?

math
Question unclear. First draw 20/70 = ? Two draws, both green with replacement: If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 20/70 * 20/70 = ?

Math (?)
No designs shown. Cannot copy and paste here.

Math statistics
Approximately 50% if males are also included in the 25-35 group.

math
16 * 4 = ?

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 2/8 = ?

Pre-Algebra
4y + 4 + 3y - 18 + 14 = 28 Combine like terms and solve for y.

Statistics
SEm = SD/√n

Math
Need parentheses. (9-3)/(1/3+1)? 9 - (3/[1/3]) + 1? 9 - 3/(1/3+1)?

Math
8t + 12 = 8t + 12 (identity) -3m - 7 = -3m + 7 (Typo?) yes, t = 15

math (really?)
Start with ball, gall, mall, glub, glum, lamb, mull.... Can you think of others?

life sciences (?)
No graph or question.

Science ?
What data do you want to collect?

statistics
9 * 10^4

Statistics Algebra 2
How does a differ from c? If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. b) (3/4)^20 c) "at least 6" translates to either 6, 7, 8, 9 or 10. Either-or probabilities ...

Maths
(1-2/3)x = 19 Solve for x.

Math
3/5q-(1/5+2q) = .6q-.2-2q = -.2-1.4q

Science
"High, thin, feathery clouds" are not the ones that cause any rain.

math
p = M/9n

math
60(1-5/6) = 60(1/6) = 10 60 + 10 = 70 60 km in 5/6 hour = 70km/hr 54(1-2/3) = 54(1/3) = 18 54 + 18 = 72 54km in 2/3 hour = 72km/hr 72/70 = ?

Math

Stat
Typos? C is incomplete. I assume that (s) indicates your answer. Agree with d and b, but also would include a. How is e different than b?

Urgent =Math
Disagree. Sample of 6 too small.

Urgent =Math
agree on both.

science

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .25 * .25 * .50 = ?

Math
Something seems wrong here. Would this mean that, if the ride is only 9 miles, John would not have to pay anything?

Math
200/5 = 40/1 or 40 miles per inch. Take it from there.

Math (help)
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 3/6 = ?

math
When x = -2 then -5(-2+2) = -5(0) = 0

Math ---HELP!!!!!

Math ---HELP!!!!!
Agree.

Math ---HELP!!!!!
Disagree. "More than" includes everything below the mean.

Math ---HELP!!!!!
disagree Z = (score-mean)/SEm SEm = SD/√n Use previously mentioned table.

Math ---HELP!!!!!
agree

Math ---HELP!!!!!
right

Math ---HELP!!!!!

Math ---HELP!!!!!
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z score. Multiply by 100. However, if you realize that the mean and median are the same in a normal ...

Math ---HELP!!!!!
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z score. Multiply by 100.

Algebra
Perimeter = 2L + 2S Area = L*S

Maths
340/x

What is you question?

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 3/12 * 2/7 = ?

math

Science one question dont understand plz help ASAP
I don't understand your question either. Miles is distance, while months is time. Do you have some type of conversion equation?

Math
disagree. % above +1 SD.

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post.

Math
agree.

Algebra (?)
Lacking data. Cannot copy and paste here.

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. How long is a marathon? Don't understand your hint. Typos?

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See later post.

Math

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

math
Absolute value is the value regardless of the sign, 10.

math literacy, life science, history,sotho
Consult with your school counselor, who can help you assess your abilities and interests to determine which careers would suit you. Cost will vary with amount of advanced training needed.

Algebra
y = √(3x+3) For x = 2 y = √(3*2 +3) = √9 = 3

science
It is extremely unlikely that any tutor has access to your text. in addition, we do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. You can submit...

math
How can player Pi win, if "i<j"?

Math
Welcome

Math
Assuminga normal distribution, find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of ...

Math
Since you are dealing with a select group, I would expect little variation. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to each Z score. Multiply by 80.

y = 3x + 4 2x + 3y = 10 Substitute 3x+4 for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.

Psychology
It makes it easier for us to respond, if the answer is indicated in the question, e.g., ***. 13. correct 14. Assuming that people have self-limiting assertions, I would pick C. 15. Disagree 16. Disagree 17. disagree 18. disagree 19. disagree 20. DK Have you used your textbook?

Psychology
Disagree with all. Use your textbook!

Psychology
After responding to your later posts, I'm not even going to bother responding to this post until you indicate that you have put some real effort into finding the answers.

Psychology
You need to study. Disagree on both.

Psychology
Wrong again, B.

Math
To meet a 27 mpg requirement, you need to be at least 27 mpg.

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your other post.

Math (?)
No graph. Cannot copy and paste here.

science
internal pressure in the can

science

Writing-research

Math (?)
How high is the wall?

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .85^5 * .15^3 = ?

math (?)
No triangle shown.

Science

Science
Sure.

Math
Median is defined as the point where 50% of the values lie below and 50% lie above.

Math
3*9 + 7 - 15 = ?

Agree on all.

Statistics
If you are only considering one question, 1/4.

Math
-30 = 3(-10)

Math (?)
Typos? (14+2)2 - 2 = 16*2 - 2 = 32-2 = 30

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 2/5 * (2-1)/(5-1) = ?

Math
Disagree. Look up definition.

???
Can you print your whole question in English?

Maths
L = 3B 2L + 2B = 2(3B) + 2B = 84 Solve for B, then L.

Math
7.5

No graphs. Cannot copy and paste here.

Math
Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance

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