# Posts by PsyDAG

Total # Posts: 23,423

**math**

How would you know if a score is deviant or relatively expected?

**maths**

Multiply second equation by 2. 4x + 2y = -8 3x - 2y = 1 Add the two equations to solve for x. Insert x into one of the equations to solve for y.

**Heath**

Only have 7 answers for 14 questions. If the order for the first 7 are correct, the first 3 are wrong, 4 is right, 5, 6 wrong, 7 right. It seems like you are just guessing rather than searching for the facts. Look up the terms.

**maths**

(1-3/5)x + 26 = 12/17x Solve for x.

**Problem solving**

Cannot draw here. Also, with your limited data, we don't know what you are supposed to do either.

**math**

3a - 4 < 5 add 4 to bot sides, then divide both sides by 3.

**English**

"Because" would be better than "in that." He was sad, because his father passed away.

**science**

Because of its small size.

**statistics**

(50*40) + (5*100) = ?

**statistics**

(60+85+92+80)/4 = ?

**Matb**

He has 3 animals with 4 legs and 5 animals with 2 legs. However, from your data, I don't know if the 4-legged animals are pigs.

**Math grade 6, four operations**

B = 38-S (B-4) = 5(S-4) Substitute 38-S for B in the second equation and solve for S. Insert that value into the first equation to solve for B. Check by putting both values into the second equation.

**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.

**math ( i need help asap ) pls**

Agree on all. To indicate greater than or equal to, you can use carat key (>) plus option to give you this, ?.

**Science**

No choices given. Cannot copy and paste here.

**health 7th**

Agree with all.

**algebra 1**

L = 2W 2L + 2W = 76 Substitute 2W 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.

**8thgrademath**

What geometric argument?

**Algebra**

R = 2G .25G + .50R = 5.00 Substitute 2G for R in the second equation and solve for G. Insert that value into the first equation to solve for R. Check by putting both values into the second equation.

**algebra 2**

Cannot copy and paste here.

**Maths**

400 - .4 = ?

**STATISTICS**

It would help if you proofread your questions before you posted them. You are missing some values.

**Maths**

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.

**stats**

You have a lot of extraneous information. 500/47,600 = ?

**Math**

(10-6) + .50 per ride

**Algebra**

To "break the record," it would be any value less than 26 degrees. t ? 25 + 5

**maths**

a) 3 * 7 * 9 = 189 b) 189 - 171 = 18 18/9 = ?

**maths**

1) 1/4 * 2/3 = 1/6 2) 1/3 * 48 = 16 1/6 * 48 = 8 48 - 16 - 8 = ??

**Maths**

His/her baskets would be 8 per game times 6 games. These would only the ones s/he makes.

**statistics**

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 I'll let you do the ...

**Stats**

https://www.google.com/search?client=safari&rls=en&q=statistics+t+vs+Z+distribution&ie=UTF-8&oe=UTF-8

**Business**

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

**Math 062**

210/170 = x/252 Solve for x.

**Maths**

a. 30/150 = ? b. 10 + (120-85) = ?

**biology**

If dimples (d) is a recessive trait to non-dimples (N), then each parent could be NN or Nd. If one or both NN, P(N) = 100%. If both Nd, then P(N) = 75%. Thus it cannot be determined from the phenotype of the first child.

**Statisics**

(37-33)/(37-23) = ? (27-23)/(37-23) = ?

**2nd grade math**

8+5 = 13, carry the 1 to the tens column, then 1+3+4 = 8. 38 + 45 = 83

**Algebra**

It would help if you proofread your questions before you posted them. What are the side lengths and what is your question?

**Math**

The first is the absolute value regardless of sign. The second is negative.

**Math**

The first is the absolute value regardless of sign. The second is negative.

**algebra (?)**

It would help if you proofread your questions before you posted them. What equation?

**math**

It would help if you proofread your questions before you posted them. What function?

**Maths**

It would help if you proofread your questions before you posted them. "the first 600 km /h"?

**Science**

Since this is not my area of expertise, I searched Google under the key words "theory of evolution evidence support" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=theory+of+evolution+evidence+support&ie=UTF-8&oe=UTF-8 In the ...

**statistics**

Here is process: 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 (.0625) and its Z score. Insert data into above equation and solve for score.

**math**

I don't really understand it either. Possibly they are looking for the values that will not have a fraction of cupcake in the solution.

**math**

If I understand the question correctly: 6th, 12th, 18th steps

**English 2 please help**

Agree with all.

**maths (?)**

What is your question?

**statistics**

The variable is number of children, which is discrete. (You can't have half of a child, pregnancy does not count.) Values are 0 to ??

**Math**

It would help if you proofread your questions before you posted them. "5 ten times greater"?

**math (?)**

Table not available.

**Math**

10 + 7*1.5 ? 20.5

**algebra**

P = 4x for small square P = 4(x+2) for large square 4x+2 = 2(4x) Solve for x then x+2.

**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 (.99) and its Z score. Insert data into above equation and solve for score.

**Chemistry needs help**

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

**math (?)**

Cannot decipher your data.

**Statistics**

a) yes b) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 2/4 * (2-1)/(4-1) = ? c) 2/4 * 2/(4-1) = ?

**Algebra**

The vertical bars indicate absolute value, regardless of sign. 16/7

**probability and Stats**

SEm = SD/?n I could only find it from b.

**Maths**

Q1 — 1/6 Q2 — DK, more data needed, but would guess very unlikely Q3 — DK, more data needed, what was their past performance?

**Math**

Let x = ten and y = 20 cent coins x = y+12 .10x + .20y = 5.40 Substitute y+12 for x in the second equation and solve for y. Insert that value into the first equation to solve for x. Check by putting both values into the second equation.

**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.

**maths(?)**

Clarify question.

**math**

L = W + 11 2L + 2W = 106 Substitute W+11 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.

**Statistics**

It would be okay to compare the Z scores, but not the raw scores, from each test. In order to do that, you would have to know the mean and standard deviation of each test, assuming they were all normally distributed.

**math**

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean. The empirical rule can be broken down into three parts: 68% of data falls within the first standard deviation from the mean. 95% fall within...

**Statistics**

(a) yes (b) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 1/6 = ? (c) same odds (d) Either-or probabilities are found by adding the individual probabilities.

**Statistics**

Agree with all answers

**math**

D = 6M (D + 12) = 2(M + 12) Substitute 6M for D in the second equation and solve for D. Insert that value into the first equation to solve for M. Check by putting both values into the second equation.

**Maths**

(500-5)/500 = ?

**Maths**

2/3x = 1/4x + 500 Solve for x.

**Science**

agree

**Discrete Math**

a) #red/total = ? b) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. c) Either-or probabilities are found by adding the individual probabilities. d) (1-c)^5 e) 6/38 * (1-6/38) = ?

**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 later post.

**Statistics**

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 the Z score. Multiply by 1100.

**Statistics**

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 the Z score. Multiply by 1900.

**math**

I will start you out. a) There are 36 possibilities. 6,2; 2,6; 3,5; 5,3 are the only combinations that = 8. b) P(even) = 3/6 = 1/2 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual ...

**math**

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

**Math**

Sí, sí, c.

**math**

(a) 1/4 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (b) 1/4 * 1/(4-1) = ?

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 4/12 * (4-1)/(12-1) = ?

**Math**

I don't know why you have the second step. 2s < $25 s < $12.50

**Math**

(24,710.40-22,464)/22,464 = % increase 1.(% increase) * 24,710.40 = ?

**math**

(-5)(-2) = 10

**math**

It would help if you proofread your questions before you posted them. [34+?] Also, online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.

**Algebra**

$6.50h = m h = 4.25

**math**

(1/12)x = 5/8 2/24x = 15/24 2x = 15

**Spanish**

Sorry, pressed wrong button. Agree, second one is incorrect Third is correct, but "yo" is redundant.

**Spanish**

No, trabajadora is a noun, not an adjective.

**Math**

Since this is not my area of expertise, I searched Google under the key words "Compare partial products and regrouping" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Compare+partial+products+and+regrouping&ie=UTF-8&oe=UTF-8 In ...

**math**

W = 175/D W-5 = 4(D-5) Substitute 175/D for W in the second equation and solve for W. Insert that value into the first equation to solve for D. Check by putting both values into the second equation.

**Math (?)**

Cannot post flow chart. Even so, need to let us know the three numbers.

**Algebra**

agree

**STATISTICS**

(a) 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 that relates to the Z score. (b,c) Reverse process from proportion to Z score. Insert into above ...

**science**

True

**botany?**

Since this is not my area of expertise, I searched Google under the key words "biggest desert plant" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=%22biggest+desert+plant%22&ie=UTF-8&oe=UTF-8 In the future, you can find the ...

**algebra**

20 + .40(x-60) = C Insert cost and solve for minutes(x).

**algebra**

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.

**Spanish**

Don't have post here.