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look at this: https://web2.0calc.com/questions/a-collection-of-nickels-dimes-and-pennies-has-an

HOPE THIS HELPED!

The amplitude of the cos wave will be 3.8          and it will be shifted UP  2.2

Max will be   3.8 + 2.2 = 6 C

Min will be   -3.8 + 2.2 = -1.6 C    as you found!  

Note: this assumes the expiriment runs through at least  ONE half period of the wave starting at t=0    !     

        (    Period of wave =  2pi/(20pi) = 1/10 of a minute=6 seconds..... 1/2 period = 3 seconds)

It SHOULD be written as this ( to get your answer)

2(4563*56) / [ (67588*56754) + 67896986898976897698678969568446568 ]    

   so that 67896986898976897698678969568446568    is  then  part of the denominator

Then I get 7.526937 x 10^(-30)   as you did   

Sorry, I don't know!!!

Try   12 dimes   9 nickles 3 pennies = 168      168/24 = 7

        12 dimes    8 nickles 8 pennies = 168      168/28 = 6

If you can tell me what I did wrong, I will like all your stuff for a week!

LOL! You caught my fib? That is not a fib?

Are you SURE   E -30 ?    The exponent should be positive......don't ya think?

As written : 67896986898976897698678969568446568    is not in the denominator.

Seriously though, \(7.52693E-30\) is the answer

Yeah!

I like your way better, EP......!!!!!

\(f(x)   =  cos (4x) \)

The last digit of the common difference is 3

A little trial and error produces......

232 + 33 =  265

265 + 33 =  298

298 + 33 =  331

232 - 33 = 199

199 - 33 =  166

So...the next number is

331 + 33 =

364

thank you so much

As a ratio:

3/4 p / (1 1/4 g)  = ?p/ (1 g)

3/4 / (1 1/4)  * 1 = 3/5 p                        Needs 3/5 pound of peanuts

4 choices for first digt  x  4 choices for second digit = 16 possibilities.

I will work on it! Sorry I don't know off the top of my head.( # #)

                                                                                              o

No numbers show up in the second sentence.....

For numbers with different digits we want to permute 2 choices out of 4 = 12

Plus the repeated digit numbers = 4

So

12 + 4   =   16   integers

I honestly haven't been on in a while, a couple of years in fact. The people here remained kind and friendly but the things that were immediately noticeable after 2-3yrs was the quality of questions on the website, it's not fair. Also, this site definitely has the potential to grow bigger and expand to help more people but I don't know what's up with the direction it's taking...

LOL!!!!

We have

1/a + 1/b

_______   =    1 /25

  a + b

[ a + b ] / ab

__________   = 1/ 25

 [ a + b ]

[ a + b ] / ab   *     1 / [ a + b ]   =   1 / 25

1 / ab   =  1 / 25

ab  =   25

a = 1  and b = 25

And their sum is 26

Can x= y ?  Can they both be 5?

5+5 = 10

sin [ (1/6) x ]

We have the form

sin [ bx ] 

In this form , the period can be found as

2 pi / b

So we have :

period   =   2pi / (1/6)  =  2pi * 6/1   =    12 pi