# Questions Asked onJuly 22, 2009

1. ## CALC

Solve the Equation: 1. 2^x + 2^-x = 5 2. Log2x + log2(4 – x) = 0 thanks. i'm not sure how to approach this at all.

2. ## Chemistry

If a 0.5-mL air bubble is present in the tip of a buret, what percent error in 10-mL, 20-mL, and 40-mL samples will be result if the air bubble is dislodged during the dispensing of the samples?

3. ## chemistry

balance this stoichiometric equation: SO2 + CaCO3 + O2 ------> CaSO4 + CO2

4. ## math(simple interest)

A \$9,000 loan is to be repaid in three equal payments occurring 60, 180, and 300 days, respectively, after the date of the loan. Calculate the size of these payments if the interest rate on the loan is 7 1/4%. Use the loan date as the focal date.

5. ## Economics

Are these accurate? 2)The manager of All City realtors wants to hire some real estate agents to specialize in selling housing units acquired by the Resolution Trust Commission (RTC) in its attempt to bail out the savings and loan industry. The commission

6. ## Statistics

For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies.

7. ## Investing

Kelly Inc's 5 yr bond yield 7.50% and 5 yr T Bonds yield 4.50%.The risk free rate is r*=2.5, the default risk premium for kelly bonds is DRP=0.40%, the liquity premium on kelly's bond is LP=2.6% versus zero on T-bonds, and the inflation premium ( IP) is

8. ## maths

prove that cos3x+sin3x/cos x-sin x=1+2sin2x

9. ## Investing

suppose the real risk - free is 3.50% and the future rate of inflation is expected to be constant at 6.80% . What rate of return would you expect on a 1 yr Treasury security , assuming the pure expectations theory is valid? Disregard cross- product terms,

10. ## Investing

suppose the real risk - free is 3.50% and the future rate of inflation is expected to be constant at 6.80% . What rateof return would you expect on a 1 yr Treasury security , assuming the pure expectations theory is valid? Disregard cross- product terms,

11. ## Algebra

The function w(x) = – 0.01x^2 + 0.27x + 8.60 can be used to estimate the number of selfemployed workers in the U.S., in millions, x years after 1980. How many self-employed workers were there in the year 1995? A. 9.8 million B. 10.4 million C. 11.15

Suppose that a polynomial function of degree 5 with rational coefficients has 0 (with multiplicity 2), 3, and 1 –2i as zeros. Find the remaining zero. A. –2 B. –1 – 2i C. 0 D. 1 + 2i

13. ## Chem

If I were to use dichromate and add HCL and Ba(NO3)2 and NaOH , what should form? Im thinking the Ba(NO3)2 would still form a precipitate but im not too sure about everything else

14. ## english

which story, king arthur's or sundiata's, has more relevant message for young people today?

15. ## nutrition and wellness

hi, i'm learning about the 3 pathways of energy: The ATP-CP system, The anaerobic glycolysis system, (also called the lactic acid system because lactic acid is a byproduct of this metabolic energy pathway, and the aerobic system. i need to provide three

16. ## Algebra

Find a polynomial of degree 4 with i as a zero of multiplicity 1, – i as a zero of multiplicity 1, and 5 as a zero of multiplicity 2. A. x^4 – 10x^3 + 26x^2 – 10x + 25 B. x^4 – 10x^3 + 24x^2 + 10x – 25 C. x^4 – 24x^2 + 25 D. x^4 – 26x^2 –

17. ## Chem

If I were to use dichromate and add HCL and Ba(NO3)2 and NaOH , what should form? Im thinking the Ba(NO3)2 would still form a precipitate but im not too sure about everything else

18. ## Conversational Essay

Has everyone heard of a conversational essay that mentions the following: how lying is sometimes god for humanity and sometimes its good for ourselves ignorance is bliss sometimes there are no greater swindles than self swindlers if u know the title of

19. ## Calculus

Given that lim x-> +infinity of (1 + 1/x)^x = e Show that lim x-> +infinity of (1 + k/x)^x = e^k

20. ## math(application of simple interest)

Suppose that the current rates on 60- and 120-day GICs(Guaranteed Investment Certificates) are 5.50% and 5.75%, respectively. An investor is weighing the alternatives of purchasing a 120-day GIC versus purchasing a 60-day GIC and then reinvesting its

21. ## Algebra

Please help. Having a hard time with this. Find all of the zeros of the polynomial function and state the multiplicity of each. f (x) = (x^2 – 16)^2 A. – 4 with multiplicity 2 and 4 with multiplicity 2 B. – 4i with multiplicity 2 and 4i with

22. ## math

Posted by question on Wednesday, July 22, 2009 at 4:56pm. solve 5/8x + 1/16x=7/16+= the solution is x=___ Responses math - Mr. L, Wednesday, July 22, 2009 at 7:23pm 5/8x is the same as 10/16x That should help my final answer would be 7/27 do i have it

23. ## Lahore Garamer School

Essay of My Grandma

24. ## math

The distance from Philadelphia to Sea Isle is 100 mi. A car was driven this distance using tires with a radius of 14 in. How many revolutions of each tire occurred on the trip? (Hint: one revolution is equivalent to one circumference distance traveled.

25. ## Spanish

Im reading spanish-english childrens books to help me w the language bc i like the pictures A sentence says: "I can go down the pole/ Yo puedo deslizarme por el poste" I can go down the pole belonging to me? She's in the park lol. And the pg right next to

26. ## math

theotis had to load a truck with television sets . the cargo area of the truck is a rectangular prism that measures 81ft by 21ft by 11ft. each tv measures 1&1/2 by 1&2/3 by 1&1/3. how many sets can be loaded into the truck?

27. ## math

if f(x)=sinx on 0

28. ## Geometric & Wave Optics

when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross

29. ## math

solve 5/8x + 1/16x=7/16+= the solution is x=___

30. ## Chem

I did an experiment were I added some water and KHP into a beaker and phenophalene [sp?]. It was a titration lab. We slowly added calciuum hydroxide into the beaker and waited till the solution turned into a faint pink. The question is asking me to find

31. ## math

find the slope, if it exists, of the line containing the pair of points (9,5) and (10,-3) teh slope m= 1.2 m=(-3+9)/ (10-5) m=6/5 m=1.2

32. ## math

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20

33. ## Algebra 2

210= 84/(R1/2+R1/3) solve for R1 How do I do this

34. ## Algebra

Use synthetic division to divide the polynomial 2x^3 – 12x – 5 by x + 4, Write the quotient polynomial and the remainder. [Be careful – notice that there is no x2 term.]. Show work.

35. ## Math

Consider the polynomial f(x) = 2x^3 – 3x^2 – 8x – 3. (a) By using the Rational Zero Theorem, list all possible rational zeros of the given polynomial. (b) Find all of the zeros of the given polynomial. Be sure to show work, explaining how you have

36. ## Math

I sometimes get confused with dividing decimals.

37. ## INB

what are the business habits of South Korea’s ideological beliefs, thoughts on how stable the government is, and South Korea’s Corruption Perceptions Index

38. ## geometry

Find the area of the triangle below 5in 7in

39. ## Accounting

Units completed 6000 Units in EWIP 2400 Equivalent units 8400 April cost BWIP(40% complete) 1,120 Materials 10,000 convention cost 4,000 total 15,120 1.) calculate the unit cost for april using the Weighted Average Method 2.) Using the Weighted Average

40. ## social studies

why was paine unwiling to be reconciled with britain

41. ## algebra

Reduce the rational expression to lowest terms 1/15abc (5a^3b^5c^2) =3a^2b^4c Is this right. I reduced,and cancelled out exponents.

42. ## math

for all values for which the following is defined, find the value of cot^2(theta)-csc^2(theta)

43. ## Psychology

What is the future of mediation and advocacy in this country and the role of the human services worker in these processes?

44. ## Math

Can someone explain this question is about deductive reasoning and inductive reasoning. I say the answer is deductive reasoning. Is this correct? Question: All United States Presidents have come from the original 48 states. No person from Alaska can be

45. ## Geometric & Wave Optics Correction

when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross

46. ## Data Analysis

You are a District sales manager and you are overloaded with data that you need to compile into useable data and you are looking to use Excel to help you do this. Using the concept from this week, how will you determine where to start and what tools can

47. ## Algebra

Find a polynomial function of degree 3 with the given numbers as zeros. -5, sqrt3, -sqrt3 Would this work as a function for this problem? Please help. Thanks! f(x) =(x-r1) (x-r2) (x-r3) =(x-(-5)) (x-sqrt3) (x--sqrt3) (x+5)) (x-sqrt3) (x+sqrt3)

48. ## Economics

Please Help You are planning to estimate a short-run production function for your firm, and you have collected the following data on labor usage and output: Labor Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 a.Does a cubic equation

49. ## Economics

Please help me on this one! You are planning to estimate a short-run production function for your firm, and you have the following data on labor usage and output: Labor Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 A- Does a cubic

50. ## math

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y= -20 4y-8x= 20 i don't understand it.

51. ## Algebra

Solve x(x-7)(x-9)

52. ## chemisty

What would happen if you reacted potassium dicarbonate with HCL and NaOH?

53. ## SCI 275

Atmospheric Issues

54. ## Whales

Does anyone know where i can find the most recent or updated information on blue whales...like how long they've been endangered?

55. ## Health Care

does eating tomatoes cause high blood pressure?

56. ## Health Care

does eating tomatoes cause high blood pressure?