# Posts by PsyDAG

Total # Posts: 23,823

math
12 = 3R R = 4 12 + x = 2(4+x) = 8 + 2x 4 = x 12 + 4 = 16

math (?)

SS Help!(?)
No graph. Cannot copy and paste here.

math
It would help if you proofread your questions before you posted them. I assume "1/1/4" is 1 1/4. (1-.10)(1.25*42000 + 10*22000) = ?

Algebra
Good for you!

math (?)
What pattern? Cannot copy and paste here.

Math
a = b + 5 a + b = -1 Substitute b+5 for a in the second equation and solve for b. Insert that value into the first equation to solve for a. Check by putting both values into the second equation.

Science
Agree

Statistics
Z = (score-mean)/SD Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability (.10) in the smaller portion and its Z score. Insert data into above equation and solve for score.

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

Esol
Welcome

English
Agree

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

Math
Assuming the half-bracket is a typo: 2 6/10 + 1 7/10 - 8/10 = 3 5/10

science
70/20 = x/230 Solve for x.

Algebra
Let the first integer be x-2, then middle integer is x and the third is x+2. (x-2)(x+2) = 12x + 9 X^2 - 4 = 12x + 9 x^2 - 12x - 13 = 0 (x+1)(x-13) = 0 11 * 15 = 12*13 + 9

Math Algebra
L = 3W-2 L*W = 65 (3W-2)W = 65 3W^2 - 2W - 65 = 0 Factor to solve for W, then insert W value in the first equation to find L.

Math
Disagree. Jason scored at the lower quartile.

Maths
4/9*90 = 40 are sheep, 1/3* 90 =30 are cows, 1/10*90 = 9 are horses. What is left?

Vocabulary
If you are narrating what is happening now, it is correct. If not, "gulped" should be used.

psychology
chemical, biochemical, physiological?

math (?)
No picture. Cannot copy and paste here.

Math (?)
Need more data. What is BAC?

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

maths
18

bio
Assuming tall is dominant and short is recessive, use Ts and ss in a Punnett Square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8

Statistics
Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion between the mean and Z = 1.37.

Satistics (?)
There is no data on stink bugs here.

math
Get common denominator. x/50 + 2x/50 + 3x/50 + 4x/50...+ 100x/50 = ?

math
What is missing in the "..."?

science
https://www.google.com/search?client=safari&rls=en&q=methods+to+reduce+global+warming&ie=UTF-8&oe=UTF-8 Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.

math (?)
It would help if you proofread your questions before you posted them. "like this..." ??? Cannot copy and paste here.

USG
Judge on previous decisions.

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 I'll let you do the ...

math statistic
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. 95% = mean ± Z(SEm) SEm = SD/?n Find table in the back...

maths
Circumference = d? Each competitor needs d? *60 cm.

math
P = 10W L = W+9 2L + 2W = P 2(W+9) + 2W = 10W Solve for W.

math
7x + 5.5 ? 19.5 Solve for x.

Math
Not knowing how big the garden is or how far apart the flowers have to be planted, I can't tell you.

I don't agree. Annual Wage = \$17*40*52 = \$35,360 (No vacation?) Annual Rent = \$934*12 = \$11,208 Unless he is earning income from a rental, the rent is subtracted from the wages.

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
95% = mean ± Z(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 (±.475) and its Z score. Insert Z and other data into above equations to check.

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
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.

Statistics
.59963

English
B indicates emotion.

English
The worst was yet to come. Still shedding tears, I climbed back into the hearse to return to a home, which would never be the same again....

science

science

algebra
Cannot draw Punnett square here. However, using two RL's would do the job.

statistics and probability
To round to whole people, you would round up if it was .5 of a person or greater.

math (?)
No table. You cannot copy and paste here.

plant
Place the child twice as far from the fulcrum as the father. https://www.google.com/search?client=safari&rls=en&q=mechanical+advantage+of+seesaw+lever&ie=UTF-8&oe=UTF-8

ratio pls help asap
180/9 = 20 3*20 = 60 2*20 = 40 4*20 = 80 Use same method for the second problem.

math
2,000,000/5 = 400,000 2.61*6.14*.0043*400,000 = ? cubic inches 12*12*12 cubic inches = 1 cubic foot Solve for cubic inches, then feet.

Statistics

Math
Cannot draw on these posts.

Health

Math
You don't have to print "dollar sign." "\$5" is adequate. This is what I assume you mean: You have \$20 to spend on taxi fare. The ride costs \$5 plus \$2.50 per mile. \$5 + \$2.50m ? \$20 Solve for m.

Psychology
It has been a long time since I used the Strong, but I would go with C for both.

Statistics
Use the Chi-square (X^2) method. X^2 = ? (O-E)^2/E, where O = observed frequency and E = expected frequency. ? = sum of all the cells. E = (column total * row total)/grand total df = n - 1, where n = number of cells Look up value in X^2 table in the back of your textbook.

math
First prize = 5/200 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1st and 2nd Prizes = 5/200 * (5-1)/(200-1) = ?

Maths
Distance = rate * time D = 60km/h * 1/4h = 15km 15km = 36km/h * h Solve for h and convert to minutes, if necessary.

maths (?)
Lack data. Why should there be any peanuts?

maths (?)
It would help if you proofread your questions before you posted them. 30 ?

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.

Heath
You cannot copy and paste here.

math
Cannot draw Venn diagram here.

math
x/5 = 60/3 Solve for x.

science (?)
No illustration. Cannot copy and place here. I searched Google under the key words "sporophyte" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=sporophyte&ie=UTF-8&oe=UTF-8 Do the same with the other terms. In the future, you can ...

math
Thousands digit must be 2. 2650

English writting
Goggle "barbie dolls." Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.

Maths
"dam"? Assuming the side of the square has 16.5m: 16.5m * 16.5m = ??m^2 Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.

Maths
385/500 = ? Multiply ? by 100.

Math
How big/long is the track? 1/4 Track + 3/8 mile

Math
2. B and C 3. How many CDs cost \$30.00?

Math
Perimeter = 2(4.04) + 2(1.707) Volume = 4.04 * 1.707 * .078 Convert to cm. 1 inch = 2.54 cm

science (?)
It would help if you proofread your questions before you posted them. What do you want to find?

science
1. agree 2. Agree 4. disagree 5. what is your choice?

Mathematics
Is there a typo?

Mathematics
Multiply by 2. 6cm = 63 km Divide by 6. 1cm = 1.5km

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

math (?)
No map. Cannot copy and paste here.

Math
(36-6)/36 = ?

Algebra
x = y + 2

Algebra
C = (F-32)5/9

Math
X - 1/2x - 1/2(1/2x) = 10 Solve for x.

statistics
The base would be between \$20 and \$30, and the height would be he number of shares.

math (?)
What does X stand for?

division
Does it need to have decimals? 8/4 = 2 8/2 = 4 8/8 = 1

Psychology
agree with A

Statistics
Z = MD/SEm SEm = SD/?n Online "^" is used to indicate an exponent, e.g., x^2 = x squared. SD = ?s^2 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 ...

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

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 10-2+3*5 = 8 + 15 = 23

math
Since 20 is an even number, there must be an even number of 3-point baskets. 2 3-point and 7 2-point baskets.