Thursday
March 30, 2017

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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

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