MATHEMATICS MIDDLE SCHOOL

F(x)=2/x and g(x)=2/x what is f(g(x))

Answers

Answer 1
Answer:

Answer:

f(g(x)=x

Step-by-step explanation:

Put g(x)=2/x in the place of "x" in f(x)

f(2/x)=2/(2/x)

Cancel 2 with 2 and remaining is 1/(1/x) which is "x"

f(g(x)=x

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One of the last questions for today and for 20 points!

Answers

This formula says that the bank will TAKE three percent of the money
in your account whenever the account is inactive for a year.  Nice bank !
Personally, I'd get ALL of my money out of that bank ASAP, and run,
don't walk, to a different bank.

Anyway, the equation is  y = 7500(0.97)^x .
They want to know the y-intercept.
Just like the graph of ANY equation, the y-intercept is the place
where the graph is on the y-axis ... the place where x=0 .
What's the value of 'y' in this equation when x=0 ?
What's the value of  (0.97)⁰  ?
Do you remember that ANY number raised to the zero power is ' 1 ' ?
(0.97)⁰ = 1
So, when x=0,  y = 7500.

What does that mean ?
Well, the question tells you that 'y' is the value of an account "that was
left inactive for a period of 'x' years".
So x=0 at the beginning, when the money is first deposited, and
the account hasn't been inactive for ANY period yet.

When x=0, y=7500.  The y-intercept is the amount of money that
the person originally deposited in the account.  If he leaves the
account inactive, then the bank will multiply it by  0.97  each year ...
the same as reaching in and grabbing 3% of the money in the account !

A 12 oz bag of bird seed cost $3.12 and a 16 oz bag of bird seed cost $3.84 which is the better deal

Answers

The better deal is rhe 16oz bag cause its only a few cents more to get 4 more oz more
A 16 oz bag would be better because you are getting the same amount as in (16•3=48 & 12•4=48) but 16 oz=3.84•3=11.52$ & 12 oz=3.12•4=12.48 So 16 oz is a better deal

If 3x-7=5t what is 6t?

Answers

so one easy way is
divide both sides by 5
(3x-7)/(5)=t
multiply both sides by 6

 (6)/(1) times ((3x-7))/(5)=6 times t or

(6 times (3x-7))/(5)=6t or
(18x-42)/(5)=6t

you choose a movie CD at random from a case containing 8 comedy CD's, 5 science fiction, and 7 adventure. The CD is not a comedy

Answers

the answer is 12/20..............
your answer will be 12/20

Vita has a pice of rope that is 5 meters long. She cuts the rope into pieces that are each 1/3 meter long. How many pieces does she cut?

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Normally you would divide something like this by the cuts made. So if there were cuts of 2 inches on a 10 inch rope, then you should divide 10 by 2. It's the same with this:
5/ (1)/(3) = 5*3, 15 \ pieces
Multiply by the reciprocal when you are dividing fractions.

Each person eats 2/3 of a pound of turkey. how many pounds of turkey will be needed for 8 people

Answers

Multiply 2/3 by 8 and you will get 16/3 or 5.33 repeating.
You will need 5 for 8 pepople
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