Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 32

**Statistics **

The Amount of filling a half-liter (500ml)soft drink bottle is normally distributed. The process has a standard deviation of 5ml. The mean is adjustable. A. Where should the mean be set to ensure a 95% probability that a half-liter bottle will not be under filled? B. A 99% pro...

**physics**

A runner is moving at a constant speed of 8.00 m/s around a circular track. If the distance from the runner to the center of the track is 28.2 m, what is the centripetal acceleration of the runner?

**Algerbra**

thank you x)

**Algerbra**

if possible, solve the nonlinear system of equations. x^2+y^2=58 y-x=4

**Physics**

A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?

**Math**

Sherry earned a 7% raise last year. If her salary is now $27,285, what was her salary last year?

**English**

i think it would be a tree

**english **

what do you call a person who can not function with out a leader

**statistics**

Determine the condition on coefficients "a subscript i" so that the linear combination "Summation symbol from i=1 to n for 'a subcript i'times 'X subscript i'" is an unbiased estimate of E[X].

**chem 101**

how can a calorimeter constant be determined experimentally?

**Chemistry**

g/l

**Chemistry**

25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L of a NaCl solution wi...

**physics**

The fastest major league pitcher throws a ball at 40.0. If he throws the ball horizontally, how far does it drop vertically on the 17.7 trip to home plate?

**physics**

3.3m/s^2

**physics**

A fully loaded 737 aircraft takes off at 250km/h.If its acceleration is a steady 3.3 , how long a runway is required? How much time does it take the plane to reach takeoff?

**algebra 1**

What is 47.2% as a fraction or mixed number in simplest form?

**Chemistry**

What is the concentration of a solution which contains 1 mole of CaCl2 dissolved in 2000mL of solutions?

**geometry**

the bases of a trapezoid have measures of 16 and 8. find the measure of the median.

**geometry**

the bases of a trapezoid have measures of 16 and 8. fine the measure of the median.

**trig**

Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = -60° , r = 7

** Help with American History**

How did Revolutionary ideology challenge the way minorities were treated in America? What changes in this treatment resulted from this challenge, and why did some minorities find their circumstances improved while others did not?

**Physics**

Who was Isaac Newton? Write a brief paragraph about his life and work (include a bibliography)

**Biology**

Is there a mathematical way of writing Newton's three laws of motion

**Cultural Diversity**

The class is an ethics class. It talks about whites, blacks, asians and all the races

**english**

what is aquaphobia. describe what someone is like with aquaphobia how may this person gotten this fear is there a cure and what is it

**english**

sentence using cardiologist

**chemistry**

Yes, the reaction shifts to the right. Because the reactant concentration increased, equilibrium will be shifted to product

**ENGLISH**

WHAT IS THIS WORD? DLARIEY

**algebra**

1. 18 m/min = cm/s 2. 5.7 gal/h = c/min 3. 264 yd/s=? mi/h Anyone know the answers to these?

**A.P. U.S. History**

What role did George Washington play in the 1750’s?

**Social Studies**

Thank You!

**math**

Jo has 37 coins (all nickels, dimes and quarters) worth $5.50. She has 4 more quarters than nickels. How many of each type of coins does she have? d=#dimes n=#nickels q=#quarters. ============== d+n+q=37 n+4=q 0.1d + 0.05n + 0.25q = 5.50 ============================= three equ...

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