# shellie

Most popular questions and responses by shellie
1. ## 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

2. ## Pre Calculus

Radium-221 has a half-life of 30 s. How long will it take for 95% of a sample to decay

3. ## 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

4. ## 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!)

5. ## Statistics

Assume that the points scored by the winning teams for all NCAA games follow a bell-shaped 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.

6. ## geomtrey

Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

7. ## 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

8. ## 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

9. ## 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 A-E Beef at A-E 10, 9, 7, 4 0 Autos at A-E 0, 2, 4, 6, 8

10. ## Pre Calculus

The burial cloth of an Egyptian mummy is estimated to contain 56% of the carbon-14 it contained originally. How long ago was the mummy buried? (the half-life of carbon-14 is 5730). Please round the answer to the nearest tenth. I have figured that: m(t) =

11. ## geomtrey

Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

12. ## 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

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.

14. ## 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

15. ## 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

16. ## 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

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

18. ## 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

19. ## 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

20. ## 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...

21. ## physics

find the kinetic energy of an 8kg mass moving at 5m/s

22. ## Pre Calculus

log(log10^10,000)

23. ## Pre Calculus

find the real zeros of the polynomial: P(x) = 24x^3 - 76x^2 + 2

24. ## 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

25. ## Algebra

How do I find the solution for -2x-4y=1 12y=-6x-3?

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?

27. ## 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

28. ## calculus

Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

29. ## calculus

Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

30. ## 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?

31. ## 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

1. ## geometry

B.

posted on February 15, 2013
2. ## 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
3. ## college

what would be the reserch method in your exsamples

posted on February 26, 2012

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
5. ## 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
6. ## Economics

Thanks I finally figured it out!

posted on August 22, 2009
7. ## 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
8. ## 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
9. ## Pre Calculus

Thanks...

posted on July 26, 2009
10. ## 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
11. ## Pre Calculus

Thank you I just think I got overwhelmed!

posted on July 21, 2009