Tuesday

October 25, 2016
Total # Posts: 22,534

**English (Check)**

Good.

*February 20, 2016*

**Math**

x = cans collected per day 688 + 7x > 2000

*February 20, 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 your later post.

*February 20, 2016*

**Bio**

Because creatures evolve.

*February 20, 2016*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

*February 20, 2016*

**math**

Since 8 and 9 are the only digits >7, 2/10 of students will probably chose these numbers.

*February 20, 2016*

**Math**

Right.

*February 20, 2016*

**Statistic**

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 "...

*February 19, 2016*

**math**

StatKey not shown.

*February 19, 2016*

**algebra**

3(2*50+2*9) + 4(3^2) = ? The first set is for the sides and the last is for the corners.

*February 19, 2016*

**statistics**

You cannot copy and paste here. Also, if you don't know the standard deviation, you cannot determine the temperature in that cup. Z = (score-mean)/SD

*February 19, 2016*

**Statistics**

SD = approx. range/4

*February 19, 2016*

**geomerty**

P.S. That isn't geometry.

*February 19, 2016*

**geomerty**

Out of every 7 games, they lost 3 and won 4. 161/7 = 23 23 * 4 = ? 23 * 3 = ?

*February 19, 2016*

**Algebra 1**

Boys = 8 * 2 Big dogs = 8 * 8 * 4 Little dogs = 8 * 8 * 8 * 4 That's a lot of dogs for a backpack.

*February 19, 2016*

**Math**

It would help if you proofread your questions before you posted them. You have just indicated that "inner area of the rectangle is 1.5m." Also, area would be in m^2.

*February 19, 2016*

**science**

I would guess oxydation. Since this is not my area of expertise, I searched Google under the key words "banana browning" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=banana+browning&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, ...

*February 18, 2016*

**science**

It would help if you proofread your questions before you posted them. How does an ice cube in a glass relate to a swimming pool?

*February 18, 2016*

**Math**

Perpendicular to what? If they are perpendicular, they form 90 degree angles, giving you a rectangle.

*February 18, 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.

*February 18, 2016*

**Science**

Right

*February 17, 2016*

**Algebra**

Let x = # of 1.50 and y = # of 3.50 x = 3y + 5 1.50x + 3.50y = 1607.50 Substitute 3y+5 for x in the second equation and solve for y. Insert that value into the first equation and solve for x. Check by putting both values into the second equation.

*February 17, 2016*

**Math**

25 1/2 - 7 5/8 - 4 3/4 = ?

*February 17, 2016*

**Math**

(-11)(-17) = ? Remember that a minus times a minus = a positive.

*February 17, 2016*

**p.e**

performance

*February 17, 2016*

**Math**

1 - 1/3 - 2/5 = ? Translate into 15ths and solve.

*February 17, 2016*

**math**

L = 3W L + 2W = 30 Substitute 3W for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation. Area = L * W

*February 17, 2016*

**maths (?)**

No data or question.

*February 17, 2016*

**Health Pt.2**

You are right.

*February 17, 2016*

**math - probability**

Either an event occurs or does not occur.

*February 17, 2016*

**Math needs help**

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

*February 16, 2016*

**Math**

2/10 * 10 = 2 A. 2 * 4 = ? B. If she used 10 daises, she must have made 5 arrangements.

*February 16, 2016*

**Zambian Lotto**

Pick whatever numbers you want. As long as the selections for numbers are random, any combination of different numbers could be a predicted as a winner. If I could pick winners for our lottery, I would have done so.

*February 16, 2016*

**English**

What personality characteristics? Personality develops from a combination of genetic and environmental factors.

*February 16, 2016*

**biostatistics**

Z = (sample mean-pop.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 the Z score.

*February 15, 2016*

**Science**

Here are some possibilities: http://drdavespsychologypage.homestead.com/Learning_Requirements.pdf http://drdavespsychologypage.homestead.com/Learning_Hints.pdf http://drdavespsychologypage.homestead.com/Learning_from_Mistakes.pdf

*February 15, 2016*

**Science**

What is your question?

*February 15, 2016*

**Math**

3/8x = 6 Solve for x.

*February 15, 2016*

**math**

12 * .25 = ? 12/4 = ?

*February 15, 2016*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 144*96÷0.36 = 13,824 + .36 = ?

*February 15, 2016*

**Math**

1. 2/5 * 1/5 You do #2.

*February 15, 2016*

**science**

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.

*February 15, 2016*

**science**

More data needed.

*February 14, 2016*

**Maths**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Either-or probabilities are found by adding the individual probabilities.

*February 13, 2016*

**MATH**

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. However, I will start you out. Prem scored 95 corectly.

*February 13, 2016*

**Physiology**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. https://www.google.com/search?client=safari&rls=en&q=use+it+or+lose+it+neurology&ie=UTF-8&oe=UTF-8&gws_rd=ssl

*February 13, 2016*

**math**

There is no "b" in your question. Where is an exponent? Typos? It would help if you proofread your questions before you posted them.

*February 12, 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 previous post.

*February 12, 2016*

**math**

x + 2

*February 12, 2016*

**Math**

(2+1+1)/(3+4+3) = ?

*February 12, 2016*

**MATH HELP ASAP**

The "following" (above) are not statements. MO = 124 NO = MN = 62

*February 12, 2016*

**Algebra 1 (variable expressions)**

6*(5-9)-5 = 6*(-4)-5 = -24-5 = ?

*February 12, 2016*

**Maths**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Either-or probabilities are found by adding the individual probabilities. (.7*5/7) + (.3*1/6) = ?

*February 12, 2016*

**Math (?)**

Lacking data.

*February 11, 2016*

**MATH HELP**

18/53 = 34%

*February 11, 2016*

**statistics**

What is the original question? ∑x = 5+2+4+2 = ?

*February 11, 2016*

**maths**

6:12 = 2:4

*February 11, 2016*

**College Math**

I'm confused too. Data is lacking.

*February 11, 2016*

**biology**

No diagram.

*February 11, 2016*

**biology**

No diagram. Cannot copy and paste here.

*February 11, 2016*

**Statistic**

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 "...

*February 10, 2016*

**Math**

3.6:(30*12) = ?

*February 10, 2016*

**MATH HELP**

Removing the 16 and 86 would not effect the median.

*February 10, 2016*

**MATH HELP**

Mean = ∑x/n Calculate the mean with all the scores, then calculate the mean without the 50.

*February 10, 2016*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. n = .73 * 215 23/94 = n/100

*February 10, 2016*

**Math**

1.3x = 182 Solve for x.

*February 10, 2016*

**Math**

92/45 = x%/100

*February 10, 2016*

**Math**

1.2x = 42 Solve for x.

*February 10, 2016*

**Math**

When multiplying/dividing, exponents are added/subtracted respectively. 9 - (-4) = 9 + 4 = 13 -10 - (-5) = -10 + 5 = -5 m^13(t^-5)

*February 9, 2016*

**Math**

Triangle has total of 180 degrees.

*February 9, 2016*

**Science**

https://www.google.com/search?client=safari&rls=en&q=Blood+flow&ie=UTF-8&oe=UTF-8&gws_rd=ssl

*February 9, 2016*

**science**

OCPE

*February 9, 2016*

**Biology**

Zygote?

*February 9, 2016*

**Statistics**

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 related to the Z score.

*February 8, 2016*

**math**

Convert all distances to the same unit, meters.

*February 8, 2016*

**fraction**

Need to complete your parenthesis.

*February 8, 2016*

**Health-Please Help!!!**

All look correct.

*February 8, 2016*

**Statistics**

Number of students in each class? 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...

*February 8, 2016*

**science**

Do they have the same mass?

*February 8, 2016*

**algebra**

Correction: anything times one is that quantity.

*February 8, 2016*

**algebra**

anything plus 1 is that quantity. 2 + xx

*February 8, 2016*

**algebra**

anything plus 1 is that quantity. 2 + xx

*February 8, 2016*

**Statistics**

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.

*February 8, 2016*

**science**

No pulley system shown. Cannot copy and paste here.

*February 7, 2016*

**Mathematics**

Range = max - min

*February 7, 2016*

**math**

F, T, F, T

*February 7, 2016*

**Math**

Susie 2 * 2 = 4 Bobby 3 * 1 1/3 = 4

*February 7, 2016*

**Math**

If x = one number, then the other is x+4. x + x+4 = 32 Solve for x.

*February 7, 2016*

**biology**

What is you question?

*February 7, 2016*

**maths**

It doesn't make sense. If "chocolate were packed equally in 21 boxes," there would be many more than 18 per box. 630/18 = boxes needed.

*February 7, 2016*

**Math**

1.5/3 = ?

*February 6, 2016*

**statistics**

Z = (score-mean)/SD = (45-45)/4 = 0 Need the parenthesis. b. Z = (30-45)/4 = -15/4 = ? c. No. 1.5 = (x-45)/4 Solve for x. d. Z = (41-45)4 = -1 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the ...

*February 6, 2016*

**statistics**

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 between the two Z scores. Multiply by 100 to get the percentage.

*February 6, 2016*

**Verbal reasoning**

Not knowing what you want to relate to fly, I would pick rapid vs. slow.

*February 6, 2016*

**algebra**

Reiny is right. I goofed. Mia Culpa.

*February 6, 2016*

**algebra**

P.S. Making a mistake does not mean you are dumb. We all make mistakes. However, if you keep making the same mistake, then you might be dumb.

*February 6, 2016*

**algebra**

Let d = # dimes and n = # nickels. d = 2n 10d + 5n = 195 Substitute 2n for d in the second equation and solve for n. Insert that value into the first equation to solve for d. Check by putting both values into the second equation.

*February 6, 2016*

**maths**

Revolution = one circumference C = πd cm = 1/100m Km = 1000m Can you put those together to solve the problem?

*February 6, 2016*

**Algebra**

The Y-intercept is where the lines pass through the Y axis.

*February 6, 2016*

**math**

F = 4J (F+22) = 2(J+22) Substitute 4J for F in the second equation and solve for F. Insert that value into the first equation to solve for J. Check by putting both values into the second equation.

*February 6, 2016*