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Posts by PsyDAG

Total # Posts: 23,316

Maths
Base needs to be square rather than "cube." 10m^2 * 6m is = ?

math
B = 14 - t 2B + 3t = 32 Substitute 14-t for B and solve for t.

algebra
We have no idea what you want to sell.

Math
1/2 divided by 3/4 = 1/2 * 4/3 = 8/3 12.5 * 8/3 = ?

math
600(1-.94)= .06(600) = 36

Math
3/7 * 350 = ?

Math
1.1($67.20) = ?

Math
What is your question?

Math
3/1.5 = x/4.25 Solve for x.

math
7/21 * 100 =?

math
Proofread your posts before sending. It does not make sense.

Math
None shown. Cannot copy and paste here.

Math
6/10 * 5/9 * 4/8 = ?

math
Need more data.

Statistics Please help me :(
Z = (score-mean)SD Look up Z scores to get probability. Multiply by 1000. DK second. Third problem use table for .12 to find Z score. Insert Z value in equation above.

algebra or algebra1
X = y - t/5 + 8/7

Maths literacy ,life science,history,geography
Almost any college will offer courses in these areas or give you credit for successful completion of such courses.

Math
Multiply both sides by b and divide by 5.

Math
You are looking for 6,5 or 5,6 or 6,6, which are 3/36 * 60.

Biology
How do we know what you observed?

statistics
Either or probabilities are found by adding the various probabilities.

Grade 9 mathematics
60/25 = x/20 Solve for x.

Algebra
1.64 * 10^14

MATH
J = A+3 A+7 = 6/7(J+7) Substitute A+3 for J in the second equation to solve for A. Put A value in first equation to solve for J. M = 3E M+5 + E + 5 = 70 Use similar process.

Math
What 2?

Algebra
40/12 = x/70 Solve for x.

math
9.5 - 4.75 = ?

math
Three times as much of each.

Mathematics, geography, agricultural science, life science, English, Life orientation And sepedi
See your school counselor, who can help you determine your abilities and interests.

biology
Right.

math
Either-or probabilities are found by adding the individual probabilities. 4/52 + 4/52 = ?

math
Either-or probabilities are found by adding the individual probabilities. 4/20 + 8/20 = ?

maths lit,business studies and geography
See your school counselor, who can ask you specific questions to determine careers that will suit your abilities and desires. That person will be able to tell you specifically what further qualifications you might need, depending on your choices.

Math
Good, but you forgot to print a 2 in your 4th step.

math
Let Bob's age = x, then Martha = x+15 x + (x+15) = 68 Solve for x, then x+15.

math
Add the various times for each day of the week.

Math
2 - 2(.4) - .3*2(.6) = ?

STATISTIC
No, find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for your Z score.

Math
What two prime numbers would multiply to give you 247? To help, what two numbers would multiply to give 7 in the ones space?

Math
I assume you only roll the cubes once. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 1/2 * 8/17 = ?

Science
Definitely B

Math
No table. Cannot copy and paste here.

statistics please help!
I am assuming that A rings when the office is open. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (1-.30)(.20) = ?

statistics please help!
Either-or probabilities are found by adding the individual probabilities.

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

Math
agree.

Math- volume
48 = .75LW Cannot tell with two unknowns. However, if it was a cubic prism, then L = W.

Math
82.25 in dollars = $82.25

Statistics for the Behavioral Sciences
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
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
2a - 16 = a + 2 Solve for for a.

Check math please!
Both correct.

maths literacy, business studies, economics, tourism
See your school counselor, who can ask you questions to see what careers you are qualified for and might want.

statistics
Correct. http://drdavespsychologypage.homestead.com/Two___Two_____four.pdf Mean only valid for interval or ratio data.

Statistics
Z = (score-mean)/SD SD = √variance Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores. Either-or probabilities are found by adding the individual ...

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

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. You are looking for the probability of one 6 and three non-6s. 1/6 * (5/6)^3 = ?

statistic
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.

science
density = mass/volume

genetics and breeds
Yes, man's father can only pass down y chromosome to him, which does not carry colorblind gene. Need two recessive colorblind genes on the X chromosomes to have colorblind daughter.

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.

Math
No rectangle. Cannot copy and paste here.

statistics
1 - .22 = ?

Math Plz help
Yes.

geomertry
You need to state the specific problems with your answer.

STATISTIC
Agree. Same.

intermediate algebra (Lial)
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. T(°C) = (T(°F) - 32) × 5/9

college algebra
Since you indicate that Ivan is only "adding money," the change will only be positive.

college algebra
Looks like 550 is starting amount and 40 is the change per week.

math
What is your question?

life science ,cat,maths lit and english
See your school counselor, who can ask you specific questions to help you answer your question.

Math
What are your choices? Cannot copy and paste here.

algebra
Let x = first angle x + 2x + (3x-6) = 180

STATISTIC
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
First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you. You don't give any indication of the proportion of green vs. blue marble that Jessica has.

math
What are your answers?

math
So she wants $40 per week to spend and save. Let x = hours. 10 + (6*3) + 7x ≥ 40 Solve for x.

math
No figure shown. You cannot copy and paste here.

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.

psychology of human resources
Classical conditioning is characterized by several factors. I. The key relationship is associating antecedent events. II. It originates with reflexive behavior. The behavior is "built in." III. Classical conditioning is essentially a process of stimulus substitution...

maths
D = rt = 30 * 2.25 = ?

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

math
What are your choices? Cannot copy and paste here.

mathematics
How many candidates are there?

Science
Both have YgRw. Use 4 by 4 Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl

stats
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.30 from mean) and get the Z scores. Insert Z scores into equation below. Z = (score-mean)/SD

statistics
If you are just concerned with that team, it is a parameter. If you want to generalize the data to all teams, it is a statistic. r = ?

math
I get the same answer you do. However, online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Also 70% ≠ .70%. 1.7 * 66 = 112.20

pre algebra
Not sure what you are asking. 50 - 8 = 42?

Science - Ms. Sue plz
How much sunlight reaches down to 1,000 meters?

English (Check)
Good.

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

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.

Bio
Because creatures evolve.

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

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

Math
Right.

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 "...

math
StatKey not shown.

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

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