Do "other" trigonometric functions than Tan Sin Cos and their derivatives exist?

I remember my physics teacher mentioning that other trigonometric functions exist apart from the Sin Cos and Tan, he mentioned a few and they did not sound familiar, nothing like Sec Csc and Cot. I... more

Difference of cubes?

how solve x^6 -64 using difference of cubes.   The answer is (x-2)(x+2)(x^4+4x^2+16)   thankyou

02/11/16

Roy says he has more nickels than dimes. If he has $5.20, how many of each coin does he have?

I need help with this word problem. I do not know how to get the answer.

Division Word Problem

On their vacation, the Reikos spent 1/4 of their money on gas, 1/4 on food and lodging, and 1/8 on tourist attractions. What fractiib of their money did they spend? If they started with $840, hoe... more

10/21/15

Set of all counting numbers

Select the correct answer for the set of all counting numbers less than 6   a. { 0, 1, 2, 3, 4, 5, 6}   b. {1, 2, 3, 4, 5, 6}   c. {0, 1, 2, 3, 4, 5}   d.  {1, 2, 3, 4, 5}  

Word Problem

A candy store wants to create a mix using two hard candies. One is priced at $5.45 per pound, and the other is $7.33 per pound. How many pounds of the $7.33 candy should be mixed with 11 pounds of... more

Probability

Assume the bag contains 19 basketballs, 6 of which have defective valves. You choose 3 out of the bag randomly.What is the probability that at least 1 will have a defective valve?

What is the probability of obtaining exactly 4 HEADS? Give your answer as a decimal number, with 4 decimal places.

An unfair coin with 0.66 probability of TAILS is flipped 6 times. What is the probability of obtaining exactly 4 HEADS? Give your answer as a decimal number, with 4 decimal places.

A fair die

A fair die is thrown 10 times. What is the probability of getting point 1 on at most 9 of the 10 throws?

10/05/15

Ratios minutes to hours?

the ratio of 190 minutes to 3 hours is?

04/26/15

Algebra word problem. HELP!

country A has a growth rate of 3.1 per year. The population is currently 4,539,000 and the land area of country A is 31,000,000,000 sq yards. Assuming the growth rate continues and is exponential,... more

01/13/15

The length of a rectangle is twice its width. If the perimeter of the rectangle is 54 in , find its area.

The length of a rectangle is twice its width. If the perimeter of the rectangle is 54in, find its area.

01/13/15

Dots sells T-shirts ($6) and shorts ($7). In April, total sales were $496. People bought 4 times as many T-shirts as shorts.

Dots sells T-shirts ($6) and shorts ($7). In April, total sales were $496. People bought 4 times as many T-shirts as shorts.

01/13/15

how do I evaluate, -b^2-7b for b=-3

I not sure what "for" means in algebra. I need to evaluate -b to the second power-7b for b=-3.

Interest Rate word problem

A small corporation borrowed $774,000 to expand its clothing line. Some of the money was borrowed at 8%, some at 9%, and some at 10%. How much was borrowed at each rate if the annual interest owed... more

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