12/05/17

Finding the speed of a plane

Flying with the wind a plane went 183km/h. Flying into the same wind the plane only went 141km/h. Find the speed of the plane still in still air and the speed of the wind.

i need help with ap calc someone please

I have to do a writing project choosing a theorem and i chose the mean value theorem for derivatives, these are the three questions help me with  question b! a) state the conditions necessary to... more

12/05/17

Fraction word problem

Gavin had a sum of money. He gave 1/2 of it to the African Wildlife Foundation. Then, he gave 1/4 of what he had left to the Amercian Red Cross. Next, he gave the Mercy Corps 1/3 of what he had... more

12/05/17

Word problem with fractions

Ann had some. Stickers. She game 1/2 of them to Betty. Then, she gave 1/8 of what she had left to Sammy. When she met Paul, she gave him 1/7 of what she had left. Next, she decided to share her... more

12/05/17

One site at 0.4 million new accounts every day at this rate how many days will be needed to add 20 million new accounts

Trying to get a better understanding of algebra it's really hard and I am trying to get a decent grade

12/05/17

n the following exercises, graph by using intercepts, the vertex, and the axis of symmetry.

y= 9x2+ 12x+ 4   How do i solve this problem step by step? y = 9 x 2 + 12 x + 4

When you reverse the digits in a certain two digit number you decrease its value by 9. Find the number if the sum of it digits is 11.

It is basically asking for a value I do not know how to find. 

12/05/17

intercepts can only be written as ordered pairs??

I need help with this question.

12/05/17

if tests are 80% of the grade and homework is 20% of the grade and the test average is 87% and the homework average is 100%, what is the final grade?

the 87% is on 4 tests and there are 2 tests left.  What does the student need to get on the 2 tests to average out a 90?

12/05/17

Determine the exact value of the expression without the use of a calculator.

sin(π/12) - sin(17π/12)   (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

12/05/17

i do not understand unit rates

 can i have help with unit rates

12/05/17

n the following exercises, graph by using intercepts, the vertex, and the axis of symmetry.

y= 3x2+ 18x+ 20   How do i solve this step by step?

How to simplify (1-x^n)^-1 where n can be any positive integer

I want to find the coefficient of any x^n in the expansions like {(1-x^2)^-1}{(1-x^3)^-1}{.......}.....   How to tackle such type of expansion to get the desired coefficients?

12/05/17

Cost of 0.35 m2 if 1m2 is $25.00. How do I work this out

Hi,   I'm trying to work this out: Cost of 0.35 m2 if 1m2 is $25.00. I need to know how you worked it out. when i try to input this into a calculator it gives me $8.75 per m2, which isn't... more

12/05/17

If y=[|x|] for the domain -2<x<-1 then y= ?

i had a pop take home test and have no idea how to do this

12/04/17

If I have 10 numbers in a hat, what is the probability that I draw out all 10 in order of 1 through 10, 3 times in a row?

Probability of doing the same thing in the same order many times in a row. 

chemical used for making of cotton fabric from ciggratebutt

chemical name

12/04/17

3a-b=13 and b=2a -7 in substitution method

in substitution method need to find what a equals and what b equals need these answers ASAP thanks so much.

Why do the values of sin and cos follow such a pattern:

sin(0)=(√0)/2 sin(π/6)=(√1)/2 sin(π/4)=(√2)/2 sin(π/3)=(√3)/2 sin(π/2)=(√4)/2   cos(0)=(√4)/2cos(π/6)=(√3)/2cos(π/4)=(√2)/2cos(π/3)=(√1)/2cos(π/2)=(√0)/2   Why do they follow this pattern?... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.