Remy
Popular questions and responses by Remy
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.
asked on July 7, 2020 
Math
A company is valued at $100,000,000 and has 5,000,000 shares of stock. What is the value of each share?
asked on April 16, 2020 
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.
asked on August 5, 2015 
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 =
asked on November 29, 2011 
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
asked on January 26, 2009 
Advanced Biochemistry
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
asked on January 27, 2012 
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?
asked on September 20, 2009 
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 1010) 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?
asked on November 26, 2011 
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 =
asked on November 26, 2011 
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?
asked on September 21, 2010 
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?
asked on September 20, 2009 
Physics
An airtrack 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,
asked on November 10, 2017 
Maths
2y^2  8y  8 = 0
asked on September 20, 2009 
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.
asked on September 17, 2009 
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
asked on January 18, 2016 
Math
Find the point (x,) on the graph of the curve y=√4x+13 that is the closest to the fixed point (5,0).
asked on January 18, 2016 
Math (Help Please!)
Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?
asked on January 18, 2016 
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?
asked on January 18, 2016 
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?
asked on October 6, 2015 
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 TE4: a. Extract A: 2.5 ng/20 ìL, Extract B:
asked on May 24, 2013 
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
asked on March 28, 2013 
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
asked on March 27, 2013 
math
write 1 2/3 as a fraction?plezzzzzzzzz hellllllllllllllllllllllllllp!!!!!!!!!!!!!!!!!!!
asked on January 16, 2013 
math
Simplify each of the following exactly: (8^(1000) sqr2^10000)/16^500 log_(8) 2
asked on October 27, 2012 
calculus
Antiderivative problem! Given f'(x)=3cosx–11sinx and f(0)=–2,find f(x)=
asked on June 6, 2012 
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
asked on May 14, 2012 
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
asked on May 14, 2012 
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).
asked on May 14, 2012 
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
asked on May 14, 2012 
Maths
how would you factorise this: (p+q)^2+5(p+q) to get this answer:(p+q)(p+q+5)
asked on April 11, 2012 
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?
asked on March 14, 2012 
Hostory / Social Studies
How Was Big Business Affected By War Mobilization ?
asked on March 12, 2012 
Social Studies / History
What Segments Of U.S Society Were Affected By The Institution Of Selective Service System ?
asked on March 11, 2012 
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 ?
asked on March 10, 2012 
Accounting
Do you include opening stock in the profit and loss account?
asked on February 17, 2012 
History
Why Was It Possible For One Event To Cause A War Among So Many Countries ? (Cite Specific Evidence).
asked on February 5, 2012 
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.
asked on November 26, 2011 
English Law
what is an arbitration clause? What is a cancellation clause? What is a prevailing law clause? What is a complaints procedure?
asked on March 6, 2012 
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.
asked on January 10, 2011 
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.
asked on November 1, 2010 
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
asked on October 18, 2010 
Maths
If dy/dx = 8x  3x^2 , then how you show that dy/dx is postive when 0
asked on October 18, 2010 
Maths
What roots can I use to sketch this graph of: y = x^4  x^2
asked on March 3, 2010 
Business Studies
Why do businesses need to raise finance?
asked on December 30, 2009 
Business Studies URGENT
What are some of the factors that can lower the risk in starting up a business?
asked on December 29, 2009 
Buiness Studies URGENT
What are some highrisk factors of starting a business?
asked on December 28, 2009 
earth
What is the difference between a resource and a condition
asked on November 10, 2009 
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
asked on November 8, 2009 
Maths
A cubic graph has the equation: y = 3(x1)(x+2)(x+5) Write in similar form the equation of the graph after a translation ( 3) Could you show me stepby step please?
asked on October 1, 2009 
Maths
wHAT IS AN INTEGER?
asked on September 20, 2009 
Maths
What is an integer?
asked on September 20, 2009 
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
asked on September 17, 2009 
Maths
Use your calculator to solve x squared + 8x + 5 = 0
asked on September 17, 2009 
Asap can someone pplz check these answers
Please check my answers I have 2 do other things right now
asked on January 26, 2009 
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
asked on January 26, 2009 
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
asked on May 20, 2008 
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?
asked on May 19, 2008 
english
What is penelope hesitation towards odysseus?
asked on March 27, 2008 
Science
What is Prothallium? What is it's Purpose. http://en.wikipedia.org/wiki/Prothallus
asked on July 10, 2007 
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.
asked on September 27, 2006 
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
asked on September 27, 2006

Language arts
100% A C B D B D B C D D A B D
posted on October 26, 2016 
Math; PLEASE CHECK MY ANSWERS
I just got 100% the answers are C D C
posted on October 11, 2016 
Science Radioactive Dating
B D D C
posted on October 11, 2016 
Math
EDIT: Looking for the point (x,y) not (x,). My apologies for the typo.
posted on January 18, 2016 
Social studies
Ulysses S Grant, or just Ulysses from the Odyssey.
posted on January 18, 2016 
English Law
I meant to also say what they in terms of the UK law
posted on March 6, 2012 
Advanced Biochemistry
ok thank you!
posted on January 27, 2012 
math function rule input/output
Rule add7 Then subtract 7 Input. Output 3. 8 7
posted on December 19, 2011 
Analytical Chemistry 2
Ve is volume at equivalence point Vb is volume of base
posted on November 29, 2011 
Analytical chemistry help!
Great I think I can figure the rest out! Thank you for your help!
posted on November 26, 2011 
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 
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 
Maths
Thankyou
posted on September 20, 2009 
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 
Maths
Thanks but when I enter it on my calculator I never get the right answer.
posted on September 17, 2009 
7th grade
Umbrella Under Universe Uranus
posted on January 26, 2009 
english
what is penelope hesitation toward odysseus?
posted on March 30, 2008