shellie
Most popular questions and responses by shellie
geometry
8. A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the
asked on February 15, 2013 
Pre Calculus
Radium221 has a halflife of 30 s. How long will it take for 95% of a sample to decay
asked on July 26, 2009 
geometry
Find the missing value to the nearest hundredth. tan =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin=8/32 75.52m 14.04m 77.76m 14.48
asked on February 15, 2013 
Pre Calculus
Evaluate log b {square root of 10b}, given that log b 2 = 0.3562 and log b 5 = 0.8271 (sorry I had no clue how to type this in math format!)
asked on July 26, 2009 
Statistics
Assume that the points scored by the winning teams for all NCAA games follow a bellshaped distribution. Using the mean of 76.5 and the standard deviation of 7, estimate the percentage of all NCAA games in which the winning team scores 84 or more points.
asked on September 12, 2009 
geomtrey
Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32
asked on February 15, 2013 
photoautotrophs
oxidize chemicals to obtain energy obtain energy from light and carbon from carbon dioxide use light energy to synthesize water and sugar obtain electrons from oxygen and carbon from organic molecules WHICH ONE DO WOULD YOU PICK. I AM CLUELESS. This site
asked on October 3, 2006 
Economics
I have created an accurate graph on excel and I believe the answers to the first 2 portions of the question are: The opportunity cost of the first 2,000 automobiles is the inability to produce 1000 tons of beef or we give up 1000 tons of beef in order to
asked on August 22, 2009 
Economics
Between which points is the opportunity cost per thousand automobiles highest? Between which points is the opportunity cost per thousand tons of beef highest? (10 pts) points AE Beef at AE 10, 9, 7, 4 0 Autos at AE 0, 2, 4, 6, 8
asked on August 22, 2009 
Pre Calculus
The burial cloth of an Egyptian mummy is estimated to contain 56% of the carbon14 it contained originally. How long ago was the mummy buried? (the halflife of carbon14 is 5730). Please round the answer to the nearest tenth. I have figured that: m(t) =
asked on July 24, 2009 
geomtrey
Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32
asked on February 15, 2013 
Physics
An aluminum measuring tape is correctly calibrated in metric units at exactly 0 degree Celsius. At is used to measure the distance between two lines on a floor, and the reading is 25.000 meters at a temperature of 30.000 degree Celsius. Determine the
asked on January 5, 2015 
Math (grade 10)
On the design plan for a garden, a straight path suns from (25,20) to (40,36). A lamp is going to be placed at the midpoint of the path. Determine the coordinates for the lamp.
asked on May 28, 2012 
Statistics
We are working on pivot tables with grouping. I have no trouble creating a table with variables and totals however, I cannot figure out how I can include Relative Frequencies and Percentage frequencies in the same pivot table  as shown in the book. Thanks
asked on August 29, 2009 
Economics
a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand
asked on August 22, 2009 
Pre Calculus
interest 7%; investment $2000, compounded monthly  how much after 10 years. I am very close on this one but must be missing an important step: A(t) = 2,000(1 + .07/12)^(10)(12) A(10) = 2,000(1.0058)^120 A(10) = 2,000(2.0017 = 4003.4 However the answer is
asked on July 26, 2009 
10th grade math
The angle of elevation from the top of a 10m high building to the top of a taller building is 12°. The angle of depression from the top of the 10m building to the bottom of the taller one is 37. How tall is the taller building
asked on June 16, 2012 
Kids health questions
Is spina bifida caused by a spinal cord injury or birth trauma? Are hemiplegic children impaired on one side or on both sides? Spina bifida: http://en.wikipedia.org/wiki/Spina_bifida hemiplegic: http://en.wikipedia.org/wiki/Hemiplegic More than just
asked on July 12, 2007 
college
Assignment Testing a Theory Write at least 300 words describing a time when you had to test a theory. This theory may be something you have tested at work, school, or even at home. Answer the following questions in your summary: • What type of informal
asked on February 26, 2012 
chemistry
Mass of an unknown gas of 50 mL volume at 25 degrees C. and 740 mm of Hg pressure was 0.056 g. The molecular mass of this gas is...
asked on January 22, 2012 
physics
find the kinetic energy of an 8kg mass moving at 5m/s
asked on December 1, 2010 
Pre Calculus
log(log10^10,000)
asked on July 25, 2009 
Pre Calculus
find the real zeros of the polynomial: P(x) = 24x^3  76x^2 + 2
asked on July 21, 2009 
spermatogenesis
can you tell me if this is right, I think it is the third choice. thanks the question is what is true of spermatogenesis Sperm production occurs several degrees above body temperature. The sperm cell consists of an acrosomal unit, which carries enzymes to
asked on October 3, 2006 
Algebra
How do I find the solution for 2x4y=1 12y=6x3?
asked on July 6, 2014 
8th grade science
how do i solve this problem The Math Behind the LawHow much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2?
asked on March 5, 2010 
Pre Calculus
solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting
asked on July 26, 2009 
calculus
Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?
asked on September 7, 2011 
calculus
Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?
asked on September 7, 2011 
Statistics
x is a random variable with the probability function: f(X) = x/6 for x = 1, 2 or 3 the expected value of X is?
asked on October 8, 2009 
Economics
I have created a scatter chart for supply and demand but the x and y axis are wrong and need to be switched. I have tried and tried to switch them....with no success.....I'm using excel 2007....how do you switch the x and y axis in a scatter chart! Thanks
asked on September 6, 2009

geometry
B.
posted on February 15, 2013 
college
i am still lost i don't understand what the reserch methods are can you give me a clue what that part is talking about?
posted on February 26, 2012 
college
what would be the reserch method in your exsamples
posted on February 26, 2012 
8th grade science
how do i do this problem The Math Behind the Law How much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2?
posted on March 5, 2010 
Economics
Yeah....I have tried numerous on line tutorials and I have actually been able to make a supply graph and a demand graph that are correct......x and y axis but when I try and combine them they reverse....I'll keep looking! Thanks
posted on September 6, 2009 
Economics
Thanks I finally figured it out!
posted on August 22, 2009 
Economics
a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand
posted on August 22, 2009 
Pre Calculus
The second answer is the correct answer! Thanks to you both I am on my way to the final Shellie
posted on July 27, 2009 
Pre Calculus
Thanks...
posted on July 26, 2009 
Pre Calculus
Thanks! I'm sorry for sooo many questions but I took this as a TERM class and so I've had 4 weeks to learn basically 1/2 the book with the final on Monday and he never really got time to lecture on Chapter 4 so I am basically trying to learn it on my own
posted on July 26, 2009 
Pre Calculus
Thank you I just think I got overwhelmed!
posted on July 21, 2009