05/20/17

18/61 + 15i/61 What is the complex number in standard form?   Please write answer as a complex number in standard form. Many Thanks!   Is this correct? 3-6+5i/61 Thanks

06/09/15

central limit theorem

Per capita consumption of Spam in the US is Normally distributed with a mean of 2.3 pounds and a standard deviation of 0.9 pounds. Random sample of 20 people are chosen. Use the Central Limit... more

04/28/15

Probability

A box contains 9 orange pencils, 6 yellow pencils, and 3 green pencils. Two pencils are selected, one at a time, with replacement. Find the probability that the first pencil is green and the second... more

04/28/15

Verify csc^2x - 1

please show me any steps you are able to

04/28/15

Henry had a batting average of .0341.what is the probability that his first hit will not occur until his 5th at bat?

Henry has a batting average of .341.   What is the probability that his first hit will not occur until his 5th at bat? What is the probability that his forst hit will occur within his first 5 at... more

03/16/15

y=16x^2+190x+0

my daughter has to graph a parabola however when inputting the equation, it appears to be almost a straight line and not the vertex as seen in examples.  help.

12/02/14

Given that f(x)=1/(sqr(1-x) and f(a)=2, waht is the value of f(1-a)?

This is part of the logarithm chapter.   How to get 2/√3 as the answer?

10/31/14

10/31/14

two fire stations are 20 miles apart. Station A is N35 degrees east and the bearingof station b is N49 degrees west. How far is it from station A to the fire

two fire stations are 20 miles apart. Station A is N35 degrees east and the bearingof station b is N49 degrees west. How far is it from station A to the fire

03/19/14

Find the area of the region bounded?

Find the area of the region bounded by the parabola y=x^2-3 and the line y=1.    Answer: 32/3   Please show all your work.

03/19/14

find the six trigonometric function

Find the six trigonometric function???? Find the value of the six trigonometric functions if the terminal side is on the line in the specified quadrant y=1/3 x in quadrant 3 one point on that line... more

02/01/14

The following formula is incorrect for compound interest with the symbols defined this way, can someone tell me why?

The following formula is incorrect for compound interest with the symbols defined this way, can someone tell me why?     Compound Interest is described by A = P(1+rm)^n, where P is the... more

02/01/14