# Remy

Popular questions and responses by Remy
1. ## Maths

angle of depression of a car from the top of a building 50cm high is 55 degrees .find the distance of the car from the foot of the building.

2. ## Math

A company is valued at \$100,000,000 and has 5,000,000 shares of stock. What is the value of each share?

3. ## Trigonometry

An airplane is sighted at the same time by two ground observers who are 2 miles apart and both directly west of the airplane. They report the angles of elevation as 11˚ and 20˚. How high is the airplane? Round to the nearest hundredth of a mile.

4. ## Chemistry help!!

Consider the titration of the weak acid HA with NaOH. At what fraction of Ve does pH = pKa - 1? At what fraction of Ve does pH = pKa + 1? Calculate the pH at these two points plus Vb = 0, 1/2Ve, Ve and 1.2Ve, if 100 mL of 0.100 M anilinium bromide (pKa =

5. ## Poem: A Voice by Pat Mora

Could you please check my answers thanks 1.What happens when the mother goes to the state capitol to give her speech? Answer: When the mother goes to the state capitol to address her speech she wanted to hide her face. Also she faked hoarseness, and she

Cryotosporidium pervum sporozoites are prolate spheres approximately 4 um long and 1 um wide. The average density of the cell is 1.28 g/mL. Approximately 7% of the wet weight of the organism is soluble protein. Estimate the number of molecules of a

7. ## Maths

When the first n positive integers are added together, their sum is given by 1/2n(n+1) Find the value of n for which the sum is 105.. Can you show me a step by step please?

8. ## Analytical chemistry help!

Calculate the pH of a solution made by mixing 50.00 mL of 0.100 M NaCN (Ka of HCN = 6.2 x 10-10) with a) 4.20 mL of 0.438 M HClO4 and b) 11.82 mL of 0.438 M HClO4. What is the pH at the equivalence point with 0.438 M HClO4?

9. ## Analytical Chemistry 2

Consider the titration of the weak acid HA with NaOH. At what fraction of Ve does pH = pKa - 1? At what fraction of Ve does pH = pKa + 1? Calculate the pH at these two points plus Vb = 0, 1/2Ve, Ve and 1.2Ve, if 100 mL of 0.100 M anilinium bromide (pKa =

10. ## Science

A bus makes a 10 mile journey throuh town. Its top speed is 30mph and its mean speed its 10 mph. Explain why these speeds are different?

11. ## Maths

Find the equation of a line which is perpendicular to 2x + 3y = 4 passing through ( -5, 1) Can you show mw how to work this out step by step please?

12. ## Physics

An air-track cart with mass m=0.20kg and speed v0=1.5m/s approaches two other carts that are at rest and have masses 2m and 3m, as indicated in (Figure 1) . The carts have bumpers that make all the collisions elastic. Find the final speed of cart 1,

13. ## Maths

2y^2 - 8y - 8 = 0

14. ## Maths

I have already asked this question but I have to use my calculator to solve x^2 + 8x + 5 = 0 Someone gave me a link to a quadratic formula solver but when I enter it into my calculator I nvever get the right answer.

15. ## Precalc Help!

The concentration C of a chemical in the bloodstream 't' hours after injection into muscle tissue is given by: C=(3t^2+t)/(t^3+50) where t≥0 What is the rate of change over the interval [0,4]? What is the rate of change over the interval [4,8]? What is

16. ## Math

Find the point (x,) on the graph of the curve y=√4x+13 that is the closest to the fixed point (5,0).

Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?

18. ## Precalc

Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?

19. ## Physics

A car starts from rest on a curve with a radius of 140 m and tangential acceleration of 1.2 m/s^2. Through what angle will the car have traveled when the magnitude of its total acceleration is 2.3 m/s^2?

20. ## Bio/CHEM

11. You need to make a 1:8 ratio of DNA of two DNA types A and B (A:B). Your total aliquot should be 2ng/26 ìL. For each of the following sets, calculate how much of each extract you should use and how much TE-4: a. Extract A: 2.5 ng/20 ìL, Extract B:

21. ## Biology dilutions

This is the homework exercise: You want to add 0.13 ul of DNA to 4.87 ul of extraction mix to have a final total of 5.0 ul of sample. But you don't want to make 0.13 aliquots because it is too small. Make a dilution to accomodate for the small aliquot. Any

22. ## Biology (dilutions)

This is the homework exercise: You want to add 0.13 ul of DNA to 4.87 ul of extraction mix to have a final total of 5.0 ul of sample. But you don't want to make 0.13 aliquots because it is too small. Make a dilution to accomodate for the small aliquot. Any

23. ## math

write 1 2/3 as a fraction?plezzzzzzzzz hellllllllllllllllllllllllllp!!!!!!!!!!!!!!!!!!!

24. ## math

Simplify each of the following exactly: (8^(-1000) sqr2^10000)/16^500 log_(8) 2

25. ## calculus

Antiderivative problem! Given f'(x)=3cosx–11sinx and f(0)=–2,find f(x)=

26. ## calculus

Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 24

27. ## calculus

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 25 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

28. ## calculus

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.2 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 8 cm. (Note the answer is a positive number).

29. ## calculus

The altitude of a triangle is increasing at a rate of 3.000 centimeters/minute while the area of the triangle is increasing at a rate of 2.500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 9.000

30. ## Maths

how would you factorise this: (p+q)^2+5(p+q) to get this answer:(p+q)(p+q+5)

31. ## Statistics

Hi, Ive looked online and in my textbook but I cant a good explanation. Basically, I need a detailed explanation of why quartile deviation is very effective?

32. ## Hostory / Social Studies

How Was Big Business Affected By War Mobilization ?

33. ## Social Studies / History

What Segments Of U.S Society Were Affected By The Institution Of Selective Service System ?

34. ## Math - HELP !

there are 50 students in the seventh grade , 62 percent of these students are involved in the drama club.how many seventh grade students are in the drama club ?

35. ## Accounting

Do you include opening stock in the profit and loss account?

36. ## History

Why Was It Possible For One Event To Cause A War Among So Many Countries ? (Cite Specific Evidence).

37. ## Analytical Chemistry

Consider the titration of 100.0 mL 0.1 M KOH with 1.0 M HBr. Find the pH at the following volumes of acid (Va) added: Va= 0, 1, 10 and 10.1 mL.

38. ## English Law

what is an arbitration clause? What is a cancellation clause? What is a prevailing law clause? What is a complaints procedure?

39. ## Maths

A Swiss Roll cake is 21cm long. When I cut it onto slices if I reduce the thickness of each slice by 1/4cm. Taking x as the number of thicker slices, write down an equation in x and solve. I just don't undertsand how to form the question.

40. ## Economics

Suggest three reasons why there is a market for expensive imported alcoholic drinks in countries such as Thailand, South Korea or India when there are locally produced substitues sold at a fraction of the price.

41. ## Maths Urgent

I have worked out the gradient funtion. If dy/dx = 8x - 3x^2 , then how you show that dy/dx is postive when 0

42. ## Maths

If dy/dx = 8x - 3x^2 , then how you show that dy/dx is postive when 0

43. ## Maths

What roots can I use to sketch this graph of: y = x^4 - x^2

Why do businesses need to raise finance?

What are some of the factors that can lower the risk in starting up a business?

46. ## Buiness Studies URGENT

What are some high-risk factors of starting a business?

47. ## earth

What is the difference between a resource and a condition

48. ## economics

apples cost £2 and pears cost £4. For John the marginal Utility (MU) of the last apple consumed was 4 and MU of pears was 12. For Paul MU of last apple was 3 and MU of last pear was 6. Which person is not maximising utility and how can you tell? What

49. ## Maths

A cubic graph has the equation: y = 3(x-1)(x+2)(x+5) Write in similar form the equation of the graph after a translation ( 3) Could you show me step-by step please?

50. ## Maths

wHAT IS AN INTEGER?

51. ## Maths

What is an integer?

52. ## Maths

I know but can you just tell me if this is correct: a = 1 b = 8 c= 5 x= -8 + square root 8^2 - (4x1x5) - -------------- 2

53. ## Maths

Use your calculator to solve x squared + 8x + 5 = 0

54. ## Asap can someone pplz check these answers

Please check my answers I have 2 do other things right now

55. ## Poem: Beware do not read this poem by Ishmeal Reed

Could someone please check these ASAP! 1. What story does the poem tell in the first three stanzas? Answer: The story that the poem is telling is a women who lived amoungst mirrors had locked herself in her house, and two villagers broke in, and she

56. ## Economics

I need some help in this question, thanks. Suppose that a Home country has many trading partners and each trading partner has its own currency. (a) If each trading partner allows its currency to float, is it possible for Home to fix its exchange rate

57. ## Economics

Correct me if I am wrong, if a country's currency appreciates, foreign goods are relatively cheaper than domestic goods, so imports increases and export decreases. And if depreciates, the opposite is true?

58. ## english

What is penelope hesitation towards odysseus?

59. ## Science

What is Prothallium? What is it's Purpose. http://en.wikipedia.org/wiki/Prothallus

60. ## Economics

What are the advantages and disadvantages of different trade barriers? Take a shot. What do you think? Hint: consider the question broadly, not just in terms of pure economic reasoning.

61. ## Economics

Why would the U.S. impose a voluntary export restraint on Japan for textiles instead of using a import quota or tariff? Why indeed. This is as much an international political question as a question in economics. Quota or tariffs tend to apply to all

1. ## Language arts

100% A C B D B D B C D D A B D

posted on October 26, 2016

I just got 100% the answers are C D C

posted on October 11, 2016

B D D C

posted on October 11, 2016
4. ## Math

EDIT: Looking for the point (x,y) not (x,). My apologies for the typo.

posted on January 18, 2016
5. ## Social studies

Ulysses S Grant, or just Ulysses from the Odyssey.

posted on January 18, 2016
6. ## English Law

I meant to also say what they in terms of the UK law

posted on March 6, 2012

ok thank you!

posted on January 27, 2012
8. ## math function rule input/output

Rule add7 Then subtract 7 Input. Output 3. 8 7

posted on December 19, 2011
9. ## Analytical Chemistry 2

Ve is volume at equivalence point Vb is volume of base

posted on November 29, 2011
10. ## Analytical chemistry help!

Great I think I can figure the rest out! Thank you for your help!

posted on November 26, 2011
11. ## Analytical chemistry help!

I converted every thing to mols instead of milli mols so for the first part got pH=9.208 + log(1-(4.20/11.42)/(4.20/11.42) so my pH= 9.44 when 4.20 mL of 0.438 M HClO4 is added?

posted on November 26, 2011
12. ## math

I am pretty sure that this is how you do it: There are 26 letters in the alphabet so if there are five vowels then it would be 5/26 in the word segments 7 letters are used so you don't count the second s so it would be 7/26

posted on September 24, 2009
13. ## Maths

Thankyou

posted on September 20, 2009
14. ## Maths

I know but can you just tell me if this is correct: a = 1 b = 8 c= 5 x= -8 + square root 8^2 - (4x1x5) - -------------- 2

posted on September 17, 2009
15. ## Maths

Thanks but when I enter it on my calculator I never get the right answer.

posted on September 17, 2009