# Questions Asked onJuly 28, 2007

1. ## arithmetic

a stock clerk had 600 pads on hand. He then issued 3/8 of his supply of pads to division X,1/4 to division Y and 1/6 to division Z. The number of pads remaining in stock is? I don't get how to solve this problem. In arithmetic problems, the word "of"

2. ## arithmetic

The wage rate in a certain trade is \$8.60 and hour for a 40 hour work week and 1 1/2 times the base pay for overtime. An employee who works 48 hours in a week earns? The employee's gross pay (before taxes and other deductions): 8.6 x 40 = a 8.6 x 1.5 x 8 =

3. ## Algebra 2(check pt 4)

1)Cramer's Rule is used to solve the system of equations:3m-5n=12,4m+7n=-5 Which determinant represents the numerator for n? answer=[12 -5] [-5 7] 2)Cramer's Rule is used to solve the system of equations:3x-y+2z=17,4x+2y-3z=10,and 2x+5y-9z=-6 Which

4. ## economic analysis

suppose you are running the food concession at the athletic events for your college.you sell hot dogs,colas,and potato chips.What are your inputs of capital,labor and materials?if the demand for the hot dogs declines,what steps could you take to reduce

5. ## Math

I really really need help on this one. I have no clue on how to do it; here it is... Determine the maximum and minimum values of the following set of numbers. 3, -36/7, -1, -2/3, 5/4, -5, 26/9 Express the fractions as mixed numbers. For example, 26/9 = 2

6. ## Chemistry

Does sodium metal react with potassium hydroxide solution? No. It would be a displacement reaction and this only works if the metal is higher in the activity series than the one it wants to displace. Given that potassium is the highest ranked metal (sodium

7. ## geometery

[1.04] If B is between A and C, AB=2x-1, BC=3x+5 and AC=24, what is the value of x? Segment A C contains point B. *A=======B======*C If AC = 24; AB = 2x-1 and BC = 3x+5, then AB + BC = AC. Solve for X. Post your work if you get stuck. (2x -1) + (3x +5) =

8. ## english

which is right...? Pollution, costs of living, and the threat of global warming IS rising. OR Pollution, costs of living, and the threat of global warming ARE rising. The subject is plural (pollution, costs of living, and the threat...), so the verb needs

9. ## Visitor623

I could not find this site in the Search Engines index This is not a search engine. You can find it among the first 10 listed by Googling the words "homework help", with or without quotes.

10. ## lines

] A printed capital letter names a:

11. ## distance

Find the distance between the points (-1,4) and (-2,-9) (Distance)^2 = (y2 - y1)^2 + (x2 - x1)^2 = (-13)^2 + (-1)^2 = 170 Distance = sqrt 170 = 13.04 thank you

12. ## the third dimension

During what time frame did the notion that more than 3-Dimensions may exist become accepted? At this site there is a history of dimensionality. http://scholar.uwinnipeg.ca/courses/38/4500.6-001/Cosmology/dimensionality.htm

13. ## algebra 1

he slope of a line is negative two-thirds. What is the slope of a line that is perpendicular to it? 3/2. The product of the two slopes must be -1, for perpendicular lines.

14. ## Geometry

A is only parallel to B if and Only if they are cut by a transversal. I was wondering is this was a bi-conditional statement. It is a false statement. Lines to not have to be cut by a transversal to be parallel.

15. ## slope

hat is the slope of the line that passes through the points (-3,1) and (0, -5) formula for slope = y2-y1/x2-x1

16. ## proofs

ll in the missing information in this Algebraic proof. Please label your answers as a, b, c, ... Two lines intersect. Angle 1 equals left parentheses 3 times x + 20 right parentheses. Angle 2 = left parentheses 5 times x - 16 right parentheses, Angles 1

17. ## Calculus - series

I'm getting this answer wrong, can someone please help show me what i'm missing?? thank you :) Infinity of the summation n=0: [(-1)^n pi^(2n)] / [6^(2n) (2n)!] this is my work: [(-1^0) pi^(2*0)] / [6^(2*0) (2*0)!] + [(-1^1) pi^(2*1)] / [6^(2*1) (2*1)!] +

18. ## Calculus - Taylor

could you please help me with solving this problem? #1) Find the Taylor polynomial Tn(x) for the function 'f' at the number 'a'. f(x) = sqrt(3+x^2) ; a=1; n=2; my work so far: f (x) = sqrt(3+x^2) = (3+x^2)^(1/2) f ' (x) = (1/2)(3+x^2)^(-1/2) f '' (x) =

19. ## Calculus - Taylor #2

Find the Taylor series for f(x) centered at the given value of 'a'. (Assume that 'f' has a power series expansion. Do not show that Rn(x)-->0.) f(x) = x3, a = -1 and what i've done so far: f (x) = x^3 f ' (x) = 3x^2 f '' (x) = 6x^1 f ''' (x) = 6x f (-1) =

20. ## Algebra2(check part 1)

1)Solve the matrix:[2x] [14]for x [3y]=[12] answer=7 2)V[3 1] [0 2] [-4 5].The dimensions of matrix V. answer=3x2 3)The first row of T+U T[4 -5 2] U[-9 6 4] [8 -1 3] [-5 -2 3] answer=[-5 1 6] 4)The first row of V-T. V[3 1] T[4 -5 2] [0 2] [8 -1 3] [-4 5]

21. ## Early Child Ed.

Would you please check these questions and my answers ? 1. Readiness skills: A. only involve reading B. involve reading and math C. begin in first grade D. include social,language,motor and cognitive skills. 2. Which one of the following will probably NOT

22. ## Algebra(check pt 2)

1)The first row of -3T. T[4 -5 2] [8 -1 3] answer=[-12 15 -6] 2)The first row of 5P-Q. P[3 1] Q[4 4] [-4 0] [12 21] answer=[11 1] 3)The first row of TV. T[4 -5 2] V[3 1] [8 -1 3] [0 2] [-4 5] answer=not possible 4)The inverse of matrix R. R[0 -1/4] [1 3/4]

23. ## Algebra(check pt 3)

1)The dimensions of ST. S[7/12 -1/9] [-1/3 1/9] T[4 -5 2] [8 -1 3] answer=2x3 2)The pair of matrices that are inverses. P[3 1] Q[4 4] R[0 -1/4] [-4 0] [12 21] [1 3/4] S[7/12 -1/9] T[4 -5 2] U[-9 6 4] [-1/3 1/9] [8 -1 3] [-5 -2 3] V[3 1] [0 2] [-4 5]

24. ## english

what are the differences between... to wake and to awaken? AND to rouse and to arouse? Here are two discussions of the usage of these words. awake, awaken, wake (up): awake is usually an adjective: "I am awake." Awaken is always a verb, either transitive

25. ## english

If a person's name ends with "the third," do you capitalize "third?" Yes, but it would be preferable to use the Roman numerals (III in this case) after the name. DrWLS is right. Here's an example: Richard III John Edward Jones III See?

26. ## economic analysis

suppose you are running the food concession at the athletic events for your college.you sell hot dogs,colas,and potato chips.what are your inputs of capital,labor and materials? if the demand for the hot dogs declines, what steps could you take to reduce

27. ## math

How do you change a decimal to a fraction?? you change a fration to a decimal by diving the fraction right? HOW DO YOU CHANGE A FRACTION TO A PERCENTAGE? In order of your questions, the answers are: (1) yes, (2) yes (divide numerator by denmonimator) and

28. ## math

what is an eay way to add 1/5 1/2 and 1/7. I have to find a number that they all go into for a similar denominator right? but how do I do that without taking forever. Multiply the denominators: 5 x 2 x 7 = ?? =) As Writeacher has noted, the common

29. ## math

what is a gross? A gross is a dozen dozen ... or in other words, 12 x 12. =) One Gross is a measurement equal to 144 of something (a dozen dozen). The term is not often used today.

30. ## Science/Math??

If object A has mass Ma and object B has mass Mb, then the force F on object A is directed toward object B and has magnitude of F = G Ma Mb / r2 That would be the correct gravitational force, and the direction IS directed toward object B. True

31. ## arithmetic

ok I don't know how to multiply 600x3/8 then subtract it. Could you please show me how. That math place doesnt realy help me. I get 1800/4800 right?? how do i break it down without it taking forever?

32. ## ??

why do you times 8.6x1.5x8? where does the 8 come from? You said the employee worked 48 hours in a week, right? 40 hours were paid at his regular rate (\$8.60/hour or 8.6), and the extra 8 hours (overtime) were paid at time and a half (8.6 x 1.5). Once you

33. ## Econ

Suppose that a borrower and a lender agree on the nominal interest rate to be paid on a loan. Then inflation turns out to be higher than they both expected. Does the lender gain or lose from this unexpectedly high inflation? Does the borrower gain or lose?

34. ## previous post

has anyone read my 4 previous posts? I really need someone to check my answers. Please be patient, Erin. Our advanced math teachers are not online right now, it seems. =)

35. ## one more

Im sorry i have one more a skier started a fire in the firplace. each log she put on burned for a half hour if she started with a supply of 10 logs for how many hours could the fire burn? how do i make that into a problem? never mind it is so obvious.