# Questions Asked onSeptember 29, 2007

1. ## math

M is the midpoint of segment AB. Find the coordinates of B given A(-1,4) and M(3,-2).

2. ## Physics

A Block weighing 72.2 N rests on a plane inclined at 20.0 deg. to the horizontal. The coefficients of static and kinetic friction are 0.22 and 0.12 resp. What is the minimum magnitude of F that will start the block moving up the plane? (I also got 9,74 N

The electrons in the beam of a television tube have a kinetic energy of 2.10 10-15 J. Initially, the electrons move horizontally from west to east. The vertical component of the earth's magnetic field points down, toward the surface of the earth, and has a

4. ## science (physics) Need to solve this today please

(a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and

5. ## biology

We recently performed a yeast fermentation lab in class to determine the effects of different sugars (sucrose, lactose and dextrose) on the rate of fermentation. I am writing up my lab report, however I am having some difficulties. If sucrose and lactose

6. ## Geometry

The intersection of two planes

8. ## Algebra 1

solve for x and check you result -4(2x-3)=-8+5

9. ## art

what is 2 point perspective? Is it drawing an object that has an agle facing straight outwards?

10. ## Bio (why no one is helpting?)

Measurements of oxygen binding by whole human blood, at 37oC, at pH 7.4, and in the presence of 40mm of CO2 and normal physiological levels of BPG (5 mmol/L of cells), give the following: PO2 (mm Hg) = 10.6, 19.5, 27.4, 37.5, 50.4, 77.3, 92.3 % saturation

The following data describe the binding of oxygen to human myoglobin at 37oC. P02 (mm Hg) = 0.5 1 2 3 4 Theta = .161 .277 .434 .535 .605 P02 (mm Hg) = 6 8 12 20 Theta = .697 .754 .821 .885 From these data, estimate: a). P50 b) the fraction saturation of

. Leng Xiong is unable to reconcile the bank balance at January 31. Leng’s reconciliation is shown here. Cash balance per bank \$3,660.20 Add: NSF check 370.00 Less: Bank service charge 25.00 Adjusted balance per bank \$4,005.20 Cash balance per books

13. ## math

Rose’s garden is in the shape of a trapezoid. If the height of the trapezoid is 16 m, one base is 20 m, and the area is 224 m2, find the length of the other base. How do I set up this problem so I can solve it? Thank you!

14. ## grammar

Our plans for tomorrow should begin today.

15. ## math

The Randolph’s used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was used during each month? I can solve the problem but I need to figure out the

16. ## calendar

The number of months in the Julian calendar?

17. ## mathematics

A number that is neither prime nor the sum of two distinct primes?

18. ## mathematics

The largest integer that is not the sum of two ot more different primes?

19. ## algebra 2

help multiply (x/3+3/4)(3x/4-3/5)

20. ## mathematics

The Pythagorean masculine marriage number?

21. ## mathematics

The larger number of the fourth set of twin primes?

22. ## journalism

what is a inverted pyramed?

23. ## Physics repost

A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields.

24. ## mathematics

The largest integer that is not the sum of two or more different primes?

25. ## science

I am currently learning about skeletal system and I had trouble filling in some of the blanks. The ________________ consists of bones running along the medial part of the body. I said axial skeleton, but I am not sure. The ________ consists of bones

26. ## math

What does mutually exclusive mean? Can anyone give me an example?

27. ## AP Chemistry

When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

28. ## mathematics

One of the four number where n! has n dights! ???????????

29. ## mathematics

A number n where if the sum of dights of the number of the number is divisible by n, then the number itself is divisible by n?

30. ## Math repost for jet

Posted by Jet on Saturday, September 29, 2007 at 2:01pm. The least number of moves in the Tower of Hanoi puzzle with 5 disks?

31. ## math

Find the unit price for the item: \$35.80 for 4 caps.

32. ## Help!!!!!

The least number of moves in the Tower of Hanoi puzzle with 5 disks?

33. ## mathematics

The two-dight number that is divisible by both the sum and the product of its dights?

34. ## math

The number of faces of an icosahedro or the number of verrices of a dodecahedro?

35. ## science

Are omnivores such as toads, sandhill cranes, and woodchucks primary or secondary consumers and how do you know? Thanks!

36. ## math

On the blueprint of Lauren's new office building, the scale is 3 in. equals 8 ft. What will be the actual length of Lauren's office if it measures 6 in. long on the blueprint?

37. ## chemistry

A starship is crusing the interstellar with a velocity of 2174.799173 miles per second. How far would the starship have traveled in 2 years, 9 days and 4.50 hours? I've spent several hours on this problem and still I cannot come up with the correct answer.

38. ## math

Janice has a 6% commission rate on all her sales. If she sells \$80,000 worth of merchandise in 1 month, what commission will she earn?

39. ## Human Resource Paper

I don't know if anyone could be could someone proof read my paper? Executive Summary The position of financial manager is to coordinate financial activities of workers in a branch, or department of the bank, such as brokerage, risk management, or credit

40. ## biology

What exactly is holistic biology and what are some examples of it? Thank you.

41. ## Social Studies

What are the five themes of geography for Africa?

42. ## Algebra

find the postitive solution for c: c^2=o.6^2+0.8^2

43. ## Algebra

Deduce this game of cows and bulls: Guess cows bulls 245 2 ___ 354 2 ___ 423 2 ___

44. ## Chemistry

When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

45. ## physics

I need help coming up a source of error for this like lab thing that we are doing class. So like we took this string with a rubber ball on it and the string went through a glass tube, and on the end of the string, so the like opposite end of where the ball

46. ## Mechanics

How do you dereive equilibrium equations for a 2-D pi/3 section of a circle in polar coords? There are stresses & shears. (Eight total, one stress & one shear on each side)

47. ## math

The largest integer that is not the sum of two or more different primes?

48. ## chemistry

I have two problems that I'm stumped on. I know the correct anwers but I'm having problems coming up with the co rrect anwsers. Here are the problems: 1) Magnesium has a density of 1.7g/cm^3 and iron has density of 7.9 g/cm^3. A block of iron has a mass of

49. ## Math

How do you figure percentages? Question: If a factory worker is supposed to produce 1000 units an hour but only produces 568 units, what percentage did the worker produce? How do you figure this?

51. ## Science (Physics)...........F=ma and tension.

2 crates shown in the figure below are on a horizontal frictionless surface. The woman is wearing golf shoes for traction as she applies a horizontal force of F= 50.0 N to the 6.00kg crate. The ropes are of negligible mass. Smaller box weighs 4.00kg a)

52. ## History

What were the 5 problems that affected Canadian soliers after WW1?

53. ## english

do these sentences make sense: we had to wean him off of seafood because we found out he was allergic to shellfish. the team groused at frank for having to run 8 laps around the field.

54. ## Chem drawing

how would I draw this compound? 2-bromo-6-chloro-4,4-dimethylheptane I've tried it again and again but I can't seem to get the Cl on the 6th carbon while still having a 6 carbon chain of heptane I drew it so that it was CH3 CBr CH2 CCH3CH3 CH2 Cl I just

55. ## Intermediate Algebra

Combine like terms: -3x^2+2x-4x^2-9+6x-2x^2+8 Solve for x: 8x-11= -11x+18 Solve for x: -2(x-5)+7=z-8-5x Solve for x: (x-2)/5 - 3/2= (x+1)/10 Translate to an algebra statement; do not solve: Seven times the difference of six and a twice a number yields the

56. ## History/Literature

Is The Assemblywomen (Ecclesiazusae) by Aristophanes a proto-feminist play arguing on behalf of women's competence and intelligence and men's stupidity and vices? Or are there underlying misogynistic, sexist assumptions on Aristophanes part?