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Posts by PsyDAG

Total # Posts: 23,293

Math (?)
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. What is your question?

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. x^2 - 6x + 9 = 64 x^2 - 6x - 55 = 0 Factor. What factors of -55 will add to give you -6?

maths (?)
It would help if you proofread your questions before you posted them. What is a "lakhs place"?

English
1, 2. Can indicates ability, while may indicates permission. 3 is awkward. 4, 5. You can feel better without actually being better. Symptoms may temporarily vanish. 7. Typical?

English
#2 infers that you don't look great without your uniform.

math
Smallest = 123,456,789.0 Largest = 9,876,543,210

math (?)
Cannot be done only knowing that 5 points are awarded for each correct answer. Score would be a multiple of 5. What information is missing?

Statistics
SEm = SD/√n Variance = SD^2

math
MEAN = ∑X/n = (7.75 + 6.30 + 6.30 + 7.00)/5 = ?

Math Geometry (?)
It would help if you proofread your questions before you posted them. "and and are"?

math
It would help if you proofread your questions before you posted them. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Do you mean 25-x^2 = 4x In that case, x^2 + 4x - 25 = 0

math
thousanths

Math (?)
It would help if you proofread your questions before you posted them. "hire purchase the...."?

Biology
23 pair before and after

Math(Please Help Me, Assignment Due)
B) 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 Z = (score-mean)/SD ...

Algebra
Boarding rate + miles(mileage rate) = Total cost

The mind at work (?)
What are your choices? Incentive? Encouragement?

algebra (oops)
I read square root. x^2 + 3x = 10 x^2 + 3x - 10 = 0 Factor.

algebra
Assuming the number is the same for multiple and square root: 3x + √x = 10 Solve for x.

Maths
The square lawn is 12 by 12, assuming that the path is not part of the lawn. With the path, the side is 12 + 2(1.5) = ?

algebra
B = 2H 25 = .5HB Substitute 2H for B in the second equation and solve for H.

algebra
L = W + 3 2L + 2W = 34 Substitute W+3 for L in the second equation and solve for W.

math
78,654

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.

maths
Is this what you are being asked to do? 64 = 64 63.6 = 64 50.3 = 49 18.7 = 16 You do the rest.

math
agree

statistics
That you are 95% sure that the true mean lies between those limits.

math
2/3x = 2.24 Solve for x then divide by 4.

Management Science
5 hours, A = $50, B = .15 * 5 * 60 9 hours, A = 50 + .25*60, B .15 * 9 * 60

Math
F = 62 - S F - 15 = 7(S-15) Substitute 62-S for F in the second equation and solve for S.

math (?)
Approximation of what? What following? Cannot copy and paste here.

maths(?)
It would help if you proofread your questions before you posted them. "Crore?" thirteen thousand nine hundred forty eight = 13,948

maths
Assuming it is a progression, I agree.

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. It would help if you proofread your questions before you posted them. Don't know what "FO," "VO" and "BA" ...

communication
Do others make comments about you to you? If so, do you agree with those comments?

math
How much time is spent on each job?

statistics
What is the list of numbers measuring? Depth? For shell length, 99% = sample 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 (&...

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 related to the Z score. Multiply by 100.

Maths (?)
What is your question?

Math
Could be any one of several, starting with 4489, 3368, 2247.... Do you have more data?

Maths (?)
More data needed.

geometry (?)
Not geometry. What is your q1uestion?

geometry (?)
No following shown. Cannot copy and paste here.

Math
Don't understand the second equation.

Math
A. Tires = cars * 4 b. Minutes = days * 24 * 60

Algebra
2008-1998 = ? Substitute that for x and solve.

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
1. +2 2. -9

English
1, 2, 3, 4. Yes "Was" better than "is," because planning was done previously.

Stats
n*p = 30 * .34 = ?

Science
If they have landed, zero. If not, .98m.

math.
3 * 39 * 10 = ?

Psychology
I would say classical experiments.

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

math
Mean = ∑x/n (80+85+82+x)/4 ≥ 85 Solve for x.

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (a+b)^2 = a^2 + 2ab + b^2

algebra
How would you like us to help you?

math
12:14

Math Makes Sense Grade 3
1 - 1/4 = ?

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

math
Nearest foot is 2.

Business Mathematics
How many tolls have to be paid? Assuming one toll: y = $2 + .80r Substitute 17 for r and solve.

MATH
Let x = total distance x - 1/3x - 2/5x = 1,200m Solve for x.

Advanced Algebra
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.025) and its Z score. 95% = mean ± Z (SD) Consider only positive value.

English
3 and 7 are incorrect.

algebra
Cannot draw graphs on these posts. b. 8 *.85 = ? c. 8 * 1.20 = ? d. compare 4.00/.85 to 4.00/1,20

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(3) = (5/12)^3 P(1of3) = (5/12)(7/12)^2 e) At least one = one, two or three Either-or probabilities are found by adding the ...

Math
Either-or probabilities are found by adding the individual probabilities. P(A or B)= P(A) + P(B) = .03 + P(B) = .07 P(B) = .04 Typos?

math
10 liters = 1 cubic centimeter 80*60*50 = ? cubic centimenters

maths
Since this is not my area of expertise, I searched Google under the key words "How to draw functions in same set of axes" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=How+to+draw+functions+in+same+set+of+axes&ie=UTF-8&oe=UTF-8&...

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. Between the chord and what?

science (?)
Lack data.

statistics
Z = (score-mean)/SD Use the Z table.

Algebra
Why do YOU think this? Might it be helpful in your later life?

math
The current value is $200. The cumulative value = $200 * 15 * 12

Science
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 4MV = 4*MV

Mathematics (?)
No picture. Ramp of 97.4 degrees is almost right angle. Typo?

algebra 1
agree

Algebra
Can a picture frame be -20?

Vocabulary
Disagree

Vocabulary
agree

CHECK my answers for DRIVERS ED
1, 2, 3, 4, 5, 9. agree 6. what is your answer? 7, 8. DK

math
Either-or probabilities are found by adding the individual probabilities.

maths (?)
Do you mean X^3 = 36.13 * 10^-24?

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Second step x4/36 = (2/3)/36

math (?)
lack data

Math
8 for $5 = 4 for $2.50 That is 100% profit on those 4 oranges, assuming that the other 4 oranges are not just thrown in the garbage.

Maths
L = 2W+3 2L + 2W = 150 Substitute 2W+3 for L in the second equation and solve for W.

math
48 hours = 2 days What is Ro?

math
If inversely proportional, if x is increased by 50%, y should decrease by 50%.

Math
State you specific problem(s) and we will do our best to help.

Math (?)
How many green tiles are there?

Math (?)
No mosaic shown. Cannot copy and paste here.

Math
Area of circle = π(r^2)

Math (?)
What following?

maths (?)
Does "total area" include the top and bottom or just the sides? Painted area = 2*80*48

Stats
disagree

math (?)
What is your question?

Biology
Use the Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl Remember that it is a recessive gene.

Math word (?)
Does general = student?

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