Thursday

February 23, 2017
Total # Posts: 23,037

**math (?)**

What is your question?

*May 12, 2016*

**Math**

Week = 7 days Month = approximately 30 days.

*May 12, 2016*

**Math**

No

*May 12, 2016*

**psychology**

Do not explain study to physicians and nurses. Have a third party, who does not know the hypothesis, record interactions.

*May 12, 2016*

**math**

16 = 4S S = 4 16+x = 2(4+x) Solve for x.

*May 12, 2016*

**Math (?)**

What Chart? Cannot copy and paste here.

*May 12, 2016*

**chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

*May 12, 2016*

**Math**

10^3 for digits (26-5)for first letter 26 for second letter If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

*May 12, 2016*

**science**

You're right that you're right.

*May 12, 2016*

**science**

Google the term.

*May 12, 2016*

**math**

Didn't you indicate the percentage increased by 60%?

*May 12, 2016*

**math**

950%

*May 11, 2016*

**Math algebra**

4x^2(2x+x^3y)+x^y = 8x^3 + (4x^5)y + x^y When multiplying/dividing, exponents are added/subtracted respectively. Anything to the zero power = 1 4x^5 * zero = zero So you are left with 8x^3 +1 = ?

*May 11, 2016*

**Math**

21 * .8125 = 17.0625 Right

*May 11, 2016*

**math**

1 59/100 or 159/100

*May 11, 2016*

**math**

1 3/10 or 13/10

*May 11, 2016*

**Spanish**

First two are right, but I cannot comment on the last two.

*May 11, 2016*

**Pre- Algebra**

Yes.

*May 11, 2016*

**Pre- Algebra**

Disagree with Gucci's answer. .3 * 60 = ?

*May 11, 2016*

**Life science,,maths lit,economic,business study**

Consult your school counselor, who can assess your abilities and interest to suggest possible careers for you.

*May 11, 2016*

**Maths lit, life science,business study,economic**

Consult your school counselor, who can assess your abilities and interests to suggest possible careers for you.

*May 11, 2016*

**Maths (?)**

How is this math? What is your context?

*May 11, 2016*

**Riddle**

We might be able to solve it, if it was in English.

*May 11, 2016*

**stats**

I don't know how you did it in class. 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 for the Z score. How does it compare to your ...

*May 10, 2016*

**Science**

With multiple choice, treat each alternative as a T-F question. If you don't know right answer, before guessing, eliminate wrong alternatives. This increases the chances of your guess being correct. Chemical change.

*May 10, 2016*

**health**

Although all are true, I would pick tissues.

*May 10, 2016*

**math**

What is YOUR reasoning?

*May 10, 2016*

**MATH**

12 * 12 = 144 inches on each side. 144/9 = 16 (16*3)+2 = ?

*May 10, 2016*

**Spanish**

Right, but it requires a following verb.

*May 10, 2016*

**Math**

D = 3S (42+10) + S+10 + D+10 = 100 Substitute 3S for D in the second equation and solve for S. Insert that value into the first equation to solve for D. Check by putting both values into the second equation.

*May 10, 2016*

**Math**

I don't know about "free calculators" mean, but all you need to do is insert various values for x and calculate the y value that matches. e.g., y = 8-8 = 0

*May 10, 2016*

**Statistics Range, Variance, and Standard Deviation**

Range = highest value - lowest Find the mean = 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 ...

*May 10, 2016*

**Statistics Homework**

Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "...

*May 10, 2016*

**Statistics**

From the sample, with only 6 of 20 earning the degree in 4 years, it does not seem "common."

*May 10, 2016*

**science**

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 previous post.

*May 10, 2016*

**Alegebra**

When multiplying/dividing, exponents are added/subtracted respectively. 5^12 5x^2 + 6x - 2

*May 10, 2016*

**science**

The force was not great enough?

*May 10, 2016*

**science**

It would help if you proofread your questions before you posted them. How much did it increase per year? Remember, there are 3 years of interest.

*May 10, 2016*

**math**

10z - 4 + 8z - 8 = 18z - 12

*May 10, 2016*

**Science**

An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results.

*May 10, 2016*

**Science**

What are your choices? GPS?

*May 10, 2016*

**math (?)**

What items? You cannot copy and paste here.

*May 10, 2016*

**Math**

-3 - 2 + 9 = ?

*May 10, 2016*

**Math (?)**

What size tiles?

*May 10, 2016*

**ICT(?)**

Lacking data.

*May 10, 2016*

**ICT (?)**

Lacking data.

*May 10, 2016*

**life orientation (?)**

What is your question?

*May 10, 2016*

**DPS**

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

*May 10, 2016*

**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 ...

*May 10, 2016*

**Math Help please!**

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) = ?

*May 9, 2016*

**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 = ?

*May 9, 2016*

**Math (?)**

No designs shown. Cannot copy and paste here.

*May 9, 2016*

**Math statistics**

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

*May 9, 2016*

**math**

16 * 4 = ?

*May 9, 2016*

**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 = ?

*May 9, 2016*

**Pre-Algebra**

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

*May 9, 2016*

**Statistics**

SEm = SD/√n

*May 9, 2016*

**Math**

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

*May 8, 2016*

**Math**

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

*May 8, 2016*

**math (really?)**

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

*May 8, 2016*

**life sciences (?)**

No graph or question.

*May 8, 2016*

**Science ?**

What data do you want to collect?

*May 8, 2016*

**statistics**

9 * 10^4

*May 8, 2016*

**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 ...

*May 8, 2016*

**Maths**

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

*May 7, 2016*

**Math**

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

*May 7, 2016*

**Science**

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

*May 7, 2016*

**math**

p = M/9n

*May 6, 2016*

**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 = ?

*May 6, 2016*

**Math**

What are your choices?

*May 6, 2016*

**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?

*May 6, 2016*

**Urgent =Math**

Disagree. Sample of 6 too small.

*May 6, 2016*

**Urgent =Math**

agree on both.

*May 6, 2016*

**science**

What are your choices?

*May 6, 2016*

**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 = ?

*May 5, 2016*

**Math**

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

*May 5, 2016*

**Math**

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

*May 5, 2016*

**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 = ?

*May 5, 2016*

**math**

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

*May 5, 2016*

**Math ---HELP!!!!!**

I misread the Question, so your answer

*May 5, 2016*

**Math ---HELP!!!!!**

Agree.

*May 5, 2016*

**Math ---HELP!!!!!**

Disagree. "More than" includes everything below the mean.

*May 5, 2016*

**Math ---HELP!!!!!**

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

*May 5, 2016*

**Math ---HELP!!!!!**

agree

*May 5, 2016*

**Math ---HELP!!!!!**

right

*May 5, 2016*

**Math ---HELP!!!!!**

Sorry, I didn't see your answer. You are right.

*May 5, 2016*

**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 ...

*May 5, 2016*

**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.

*May 5, 2016*

**Algebra**

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

*May 5, 2016*

**Maths**

340/x

*May 5, 2016*

**MATH ANSWER HELP**

What is you question?

*May 5, 2016*

**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 = ?

*May 5, 2016*

**math**

3/6 = ? http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf

*May 5, 2016*

**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?

*May 4, 2016*

**Math**

disagree. % above +1 SD.

*May 4, 2016*

**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.

*May 4, 2016*

**Math**

agree.

*May 4, 2016*

**Algebra (?)**

Lacking data. Cannot copy and paste here.

*May 4, 2016*

**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?

*May 4, 2016*

**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.

*May 4, 2016*