# Posts by PsyDAG

Total # Posts: 23,207

**Math (?)**

How many cubes are in the prism? Online "^" is used to indicate an exponent, e.g., x^2 = x squared.

*March 29, 2017*

**Math (?)**

Did they share 6, 8 or 68? Assuming 68: 68/10 = 6.8kg 1kg = 1000g

*March 29, 2017*

**Math**

1 pound = 16 ounces

*March 28, 2017*

**maths**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(win) = 1/3 * 1/3 = 1/9 P(lose) = 1 - 1/9 = 8/9

*March 28, 2017*

**math**

A = 240 - C 60A + 40C = 12,800 Substitute 240-C for A in the second equation and solve for C. Insert that value into the first equation to solve for A. Check by putting both values into the second equation.

*March 28, 2017*

**Science (?)**

Which other animals? Apes? Mammals? Reptiles?

*March 28, 2017*

**psychology**

From the Internet: It may take as many as four years of training in a psychoanalysis program, on top of the time required to get a doctoral degree, to become a psychoanalytic psychologist. Students in a psychoanalysis program attend classes, participate in supervised clinical ...

*March 27, 2017*

**6th grade math (student)**

18 - 10 = ?

*March 27, 2017*

**Math**

C = 2?r = 2(3.14)46 = ? ! km = 1000m = 100,000cm 100,000/C = ?

*March 27, 2017*

**Math**

Agree

*March 27, 2017*

**stats.help!**

A. 32+16+8+4+2+1 = ? B. Probability of picking winner in each game = 1/2 C. 1/2^63 = 1/2 to the 63rd power

*March 26, 2017*

**Statistics and Probability**

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.

*March 26, 2017*

**word problems**

646 = 16 + 7d/11 Subtract 16 from both sides, then multiply both sides by 11/7.

*March 26, 2017*

**MATH 2**

(15+10)/2 = ?

*March 26, 2017*

**math**

6/7 divided by 3 = 2/7

*March 26, 2017*

**math**

S = 2J S - 12 = J + 12 Substitute 2J for S in the second equation and solve for J. Insert that value into the first equation to solve for S. Check by putting both values into the second equation. Add the two.

*March 26, 2017*

**Math 120**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. For deaths, approx. 1/4 * 1/4 = ? For getting heart disease (292,188/total female population in US)^2 = ?

*March 26, 2017*

**Math (?)**

What is the question?

*March 26, 2017*

**math (?)**

Need info on "mr skoh".

*March 26, 2017*

**Statistics**

IQFr1 = IQFr2 IQFr1 > IQFr2 You decide one the tail.

*March 25, 2017*

**math**

.3 meters represent 150,000 meters 1:500,000

*March 25, 2017*

**maths**

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

*March 24, 2017*

**Biology**

Also, they are attracted to carbon dioxide, which is exhaled.

*March 24, 2017*

**Biology**

If so, possibly because it is not covered and does not move as much as the hands.

*March 24, 2017*

**Math**

2:55?

*March 24, 2017*

**Science**

Storage tank

*March 24, 2017*

**Math**

This time, subtract the first equation from the second.

*March 23, 2017*

**Math**

Add the two equations to get this: 5X = 10 That gives you X, then insert value into either equation to get Y.

*March 23, 2017*

**Language Arts 8B**

Welcome

*March 23, 2017*

**Language Arts 8B**

1B, 3C

*March 23, 2017*

**Math**

-?(x^2) = -x

*March 22, 2017*

**Math**

Assuming both winds are the same velocity. 210 -170 = 40, therefore wind is 20mph Therefore plane's unhindred speed would be 210-20 or 170+2 = 190mph

*March 22, 2017*

**Math**

Distance = rate * time 400 = (160-40) * time 400 = (160+40) * time Calculate times and compare.

*March 22, 2017*

**Math**

Looks like all of them are true.

*March 22, 2017*

**science**

To have the sound travel back and forth, it must be 2*340m.

*March 22, 2017*

**Science**

Density = mass(kg)/volume (cubic meters) Density of water = 1 Convert measures to solve.

*March 22, 2017*

**Math**

Unless you got embarrassed and spit them out, you still have 2 balls in your mouth. Is there any data you omitted?

*March 22, 2017*

**Biology**

Although I can't find any data to support this, it might be "cell".

*March 21, 2017*

**math**

It would help if you proofread your questions before you posted them. With all the typos, I am not sure what you are asking.

*March 21, 2017*

**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.

*March 21, 2017*

**science**

be a liquid?

*March 21, 2017*

**Satistics**

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 "areas under ...

*March 21, 2017*

**Relative Clauses and Pronouns**

Not sure what you question is. Be more specific.

*March 21, 2017*

**math**

Let n stand for number of bus rides. 1.50n ? 36 Solve for n.

*March 21, 2017*

**Statistics**

a) 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 related to the Z score. b, c) Z = (score-mean)/SEm SEm = SD/?n Use same table. I'll leave the...

*March 20, 2017*

**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 proportions/probabilities (.045 and .05) and their Z scores. Insert data into equation above to solve for scores.

*March 20, 2017*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 5/10 * (5-1)/(10-1) = ?

*March 20, 2017*

**Science @ MS SUE !**

Welcome, MR SUE

*March 20, 2017*

**Science @ MS SUE !**

They are infinite rather than finite. There is less pollution. Sorry that I am not MS SUE.

*March 20, 2017*

**Math**

7/8 foot

*March 20, 2017*

**MATH HELPP!!!**

If there is a vertical line at the X value of 7, that means that the input is constant for all outputs. However, in terms of the real world this does not seem likely. Perhaps your description of the graph is not completely accurate.

*March 20, 2017*

**Math - Ratio's**

Blue balls = 2:7 = 200/700 = 200 Blue to red = 4:3 = 200:x, red = 150 total - red - blue = yellow

*March 20, 2017*

**Math**

Agree

*March 20, 2017*

**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 do one problem to start you out. 9x + 2 = 38 Solve for x.

*March 20, 2017*

**statistics**

It looks like you have repeated the list of scores. 30 32 33 34 37 37 40 42 43 48 49 50 50 52 57 59 60 61 63 65 67 71 72 74 Q3 = 75th percentile = 62

*March 18, 2017*

**math**

3/5 * 1,000,000 = ? (1-3/5) * 50,000 = ?

*March 18, 2017*

**science**

The sides and/or bottom could support the body, causing it to displace less water.

*March 18, 2017*

**Geometry (?)**

What do all the dollar signs ($) signify?

*March 17, 2017*

**Science**

Lunar eclipse occurs when the earth comes between the sun and moon. The solar eclipse occurs when the moon comes between a portion of the earth and the sun. Solar eclipses happen more often. https://www.timeanddate.com/eclipse/solar-eclipse-frequency.html

*March 17, 2017*

**Math**

Cannot understand your version of stem and leaf plot.

*March 17, 2017*

**5th grade math**

I assume Rachel wants to have some cupcakes too. Number of cupcakes in the box/6 = ?

*March 17, 2017*

**math**

4 drops.

*March 17, 2017*

**Math**

Pop. = all roadrunners born Sample = Lubbock roadrunners Pop. = all cars traveling route Sample = those going 75 kph

*March 16, 2017*

**Math**

.5 hectare = 5000 m^2 x * 12.5 = 5,000 Solve for x.

*March 16, 2017*

**Geometry (?)**

What kind of figure?

*March 16, 2017*

**Maths**

What is TSA? Don't use acronyms instead of full terms.

*March 16, 2017*

**Science (?)**

No image. Cannot copy and paste here.

*March 15, 2017*

**Statistics**

.24 * 20 = ?

*March 15, 2017*

**Math**

81 and 18

*March 15, 2017*

**math (?)**

No diagram or alternatives. Cannot copy and paste here.

*March 15, 2017*

**Math**

Amb is right. 20*20 = area of one side. there are 6 sides to a cube.

*March 15, 2017*

**Math**

D = 3S (D+10)+(S+10) + (42+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.

*March 14, 2017*

**Science**

Cannot draw plots on these posts.

*March 14, 2017*

**Math (?)**

No drawing. Cannot copy and paste here.

*March 14, 2017*

**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.

*March 14, 2017*

**math**

I assume you mean 1 cm = 20,000 miles. 20,000/1 = x/5 Solve for x.

*March 14, 2017*

**maths**

50 - 35 = 15 15/3 = 5 1:2 = 5:10

*March 14, 2017*

**Math**

Circumference = 2?r Circumference/2? = r Volume = ? r^2 h 1 ft^3 = 28.32 liters

*March 14, 2017*

**Math**

Are you talking about measure of central tendency and variability? Measures of central tendency (mean, mode, median) are measures that can stand for the whole distribution of scores. Measures of variability indicate how much scores are spread out from the measure(s) of central...

*March 14, 2017*

**math 1**

28.50/6 = x/10 Multiply both sides by 10, then divide the left side by 6.

*March 13, 2017*

**math (?)**

Have no idea of where these segments are. Cannot copy and paste here.

*March 13, 2017*

**Statistics**

No cell phone = 293/2253 = ? Cell not smart = 924/2253 = ? Smartphone = (458+437+141)/2253 = ? Divide and multiply by 100 for percentage.

*March 13, 2017*

**Statistics**

Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability in larger portion of Z = .5. Multiply by 100.

*March 12, 2017*

**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.

*March 12, 2017*

**Math**

J = B + 15 J + 8 = 2(B+8) Substitute B+15 for J in the second equation and solve for B. Insert that value into the first equation to solve for J. Check by putting both values into the second equation.

*March 12, 2017*

**English**

Sounds possible, but how will you support this thesis?

*March 12, 2017*

**Maths**

a Liter = 1000 ml 200/8000

*March 12, 2017*

**Maths**

(5*24)/20 = ?

*March 12, 2017*

**Statistics**

It would help if you proofread your questions before you posted them. I assume you are using "5" instead of "=". Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = ?(SEmean1^2 + SEmean2^2) SEm = SD/?n If only one SD is provided, ...

*March 12, 2017*

**Alegbra**

When multiplying/dividing, exponents are added/subtracted respectively. (3^2)(3^3) = 3^5 = 3*3*3*3*3 = ?

*March 11, 2017*

**Alegbra**

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.

*March 11, 2017*

**psychology**

What are your choices? at the back of the eye? consisting of rods and cones?

*March 11, 2017*

**Math (?)**

No plot. Cannot copy and paste here.

*March 10, 2017*

**statistics**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .5 * B = .28 Solve for B.

*March 10, 2017*

**statistics**

(7+1)/10 = ?

*March 10, 2017*

**Math**

Cannot sketch on these posts.

*March 9, 2017*

**math**

Right

*March 9, 2017*

**math**

5/20 = x/40 To solve for x, multiply both sides by 40, then divide the left side by 20.

*March 9, 2017*

**Pre- algebra help please anyone**

Welcome

*March 9, 2017*

**Pre- algebra help please anyone**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. When multiplying/dividing, exponents are added/subtracted respectively. x^9/x^2 = x^7

*March 9, 2017*