Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 43

**Algebra**

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

**geomtrey**

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

**geomtrey**

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

**geometry**

B.

**geometry**

B.

**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 nearest foot. If the b...

**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

**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.

**college**

i am still lost i dont understand what the reserch methods are can you give me a clue what that part is talking about?

**college**

what would be the reserch method in your exsamples

**college**

what would be the reserch method in your exsamples

**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 research method did...

**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...

**calculus**

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

**calculus**

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

**physics**

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

**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?

**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?

**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?

**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. 90 points. The winning...

**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

**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 SHellie

**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

**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

**Economics**

Thanks I finally figured it out!

**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 automobiles highest? Be...

**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 automobiles highest? Be...

**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 produce 2,000 automobi...

**Pre Calculus**

The second answer is the correct answer! Thanks to you both I am on my way to the final Shellie

**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!)

**Pre Calculus**

Thanks...

**Pre Calculus**

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

**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 actual $4220.29 What ...

**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 with your help...

**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 the correct answer!

**Pre Calculus**

log(log10^10,000)

**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) = Moe(-ln2/5730) is a st...

**Pre Calculus**

Thank you I just think I got overwhelmed!

**Pre Calculus**

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

**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 "impaired." Pleas...

**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 penetrate the egg cel...

**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 is LONG and LONGER bu...

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