Total # Posts: 25

Statistics
In a sample of 1000 tires, with a mean of 250 miles per tire....about how many tires will last longer than 300 miles?

Algebra
If a+b=-9 what is 8a + 8 b?

Algebra 2
Is the solution to this rational expression extraneous? The problem: (2x-3)/7 -(7x)/14 My answer: x = -9/4 My teacher wants to know if the solution is extraneous and I know I have to plug my answer back into the expression to check but I still don't understand.

Physics
A small aircraft A is about to land with an airspeed of 80 mi/hr. If the aircraft is encountering a steady side wind of speed 10 mi/hr, what angle (alpha) should the pilot direct the aircraft so the the absolute velocity is parallel to the runway? What is the speed at touchdown?

english
Summary of the soft voice of the serpent

Math
If it snowed 7 days in the month of December in Wisconsin, what percent of the days in December did Wisconsin get snow?

English
Can you explain to me what this means: "First thoughts are also unencumbered by ego, by that mechanism in us that tries to be in control, tries to prove the world is permanent and solid, enduring and logical."

9 is Substance Farming (Just took the test, and that's what it says"

What were some of the causes of the financial crisis and how do you think they could be prevented? Do you think steps are being taken? Why or why not?

General Computer Science
Why should IT policy and control be a prime concern to overall management in the selection and development of IT management?” Please write an answer to the above question.

General Engineering
A drag line is connected to an electric motor. Crates are hooked onto the line and dragged horizontally from one location within the factory to another across a series of rollers. There is 15° between the crate and motor and a force of 500N Each crate has a mass of 200kg. ...

General Psychology
In considering the importance of culture to ethics please help me answer the below questions: 1. Are some cultures more moral than others? Please give examples and explain your position. Can you describe a moral standard that is at variance with your own ethical system? 2. Are...

algebra
Why does the inequality sign change when both sides are multiplied or divided by a negative number? Does this happen with equations? Explain why or why not? Write an inequality for your classmates to solve. In your inequality, use both the multiplication and addition ...

Chemisrty
nooooooo

chem
you're right doc its Ag2SO4, thanks guys!

Chemistry!
determine the new molarity of calcium ions when 50.0 mL of a 1.50 M calcium chloride solution are combined with 750.0 mL of a 0.236 M calcium phosphate solution.

Chemisty!
0.04201/0.08696 = 0.483 M of [Mg^2+] but how do I get the [Cl-]? the answer is suppose to be 0.966M

Chemisty!
what are the molarities of Mb^2+ ions and Cl- ions in an aqueous solution of 4.00% by the mass magnesium chloride, with a density of 1.15g mL-1?

chemistry
Find the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.06 g/mL..............how do I go about doing this question thanks!

math
100

college physics
2200 J

math help
I really don't understand how to write the expression as one invloving only sinϴ and cosϴ sin2ϴ+cos3ϴ

math
there are fewer than 6 dozen eggs in a basket. if i cout them by 2s, there is obne left over. if i count by 3s, there are 2 left over. three are left if i count them by 4s. four are left if i count by 5s. how many eggs are there

mATH
Y/1 DIVIDED BY 2 4/5, Y = ?

Chemistry
For the following reaction, what is the approximate value of Delta H? CH4(g) --> CH3(g) + H(g) I figured it out.. C-H = 411 4 moles on one side 3 on the other so [4*411]-[3*411] = 411

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