# Posts by Darrell

Total # Posts: 20

**math**

tony walked 3.5 miles in 7/8 of an hour. at this rate, how many miles can tony walk in one hour?

*November 6, 2014*

**Algebra**

D = 1.2 square root h horizon in miles D from a height h 12000 feet in elevation how far are you from the horizon? use correct mathematical symbols and explaining thoughtly in words each step.

*August 27, 2013*

**Math**

d2=(changeinx(changeiny)2

*January 30, 2013*

**art**

i don't understand

*December 30, 2012*

**Physics**

A football player throws a ball with a horizontal distance of 31.0 m so that the other player catches it at the exact height it was initially thrown. If the ball rises and falls by 1.8 m in its trajectory, what is the initial velocity of the ball? Please give the speed and ...

*October 13, 2012*

**Math**

Add the fractions 2/3, 3/8 and 5/12 and reduce to lowest terms.

*August 21, 2012*

**Physics**

An engine expends 44.0 hp in moving a car along a level track at a speed of 13.9 m/s. How large is the total force acting on the car in the opposite direction of the motion of the car?

*May 27, 2012*

**Math**

my output number is 7 34 45 56 i need the input number

*February 27, 2012*

**Math-Probability**

1/8

*January 22, 2012*

**probability and statistics**

a population forms a normal distribution with a mean of u=80 and a standard deviation of o=15. for each of the following samples, compute the z-score for the sample mean and determine whether the sample mean is a typical, representative value or an extreme value for a sample ...

*January 6, 2012*

**probability and statistics**

the population of sat scores forms a normal distribution with a mean of u=500 and a standard deviation of o=100. if the average sat score is calculated for a sample of n=25 students. a. what is the probability that the sample mean will be greater than m=510? in symbols, what ...

*January 6, 2012*

**Ashford**

Factors such as temperature, humidity, and air movement make it easier to analyze and measure air pollution. True or false

*September 16, 2011*

**math**

calculate the effective yield, then rank them from highest yield to lowest yield: 12% compound annually 11.8% compound quarterly 11.9% compound semiannually

*April 18, 2011*

**Algebra**

I invested $42,000 in three funds paying 5%, 7%, and 9% simple interest. The total annual interest from these investments was $2,600. The amount of money invested at 5% was $200 less than the amount invested at 7% and 9% combined. How much was invested in each fund?

*April 13, 2011*

**chem**

when a chemical reaction takes place, the number of atoms of each element in the reactants (blank) the number of atoms of each element in the products

*March 10, 2011*

**Axia college**

Compare and contrast packet and circuit switching in 250 to 300 words.

*January 12, 2011*

**8th grade math**

wat is x/3x+(-3)*8 and x=15

*November 20, 2010*

**In Music**

What does Allegro mean?

*April 7, 2010*

**Math**

Can someone tell me what allegro mean in math terms?

*April 7, 2010*

**crt 205**

week 5 categorizing fallacies

*March 3, 2009*

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