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Tomtit [17]
3 years ago
8

There are 24 people using in the gym. The ratio of men to women 2:1. How many men are using the gym

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

There are 8 guys at the gym because what I did was I used process of elimination to get the answer because if you divide 24 by 3 you get 8 and since there are twice as many females as guys you would have 2x8 so there are 16 females and for the guys you kinda can already know so you do 24-16=8. So there are 8 Guys.

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Need explanation 20 points<br> The function f is such that f(x) = 2x - 6<br> Find f^-1(x)
Dvinal [7]

HEYA! <3

Explanation :

<u>GIVEN </u> :

  • f(x) = 2x - 6

<u>TO </u><u>FIND</u><u> </u> :

  • Inverse of f(x) i.e f ^{ - 1} (x)

<u>S</u><u>OLUTION </u> :

FOLLOW THESE THREE STEPS :

  • LET Y = f(x)

\longrightarrow \tt{y = 2x - 6}

\longrightarrow{ \tt{ \: 2x - 6 = y}}

  • MAKE X A SINGLE TERM IN LHS SIDE

\longrightarrow{ \tt{2x = y + 6}}

\longrightarrow{ \tt{x =  \frac{y + 6}{2} }}

  • INTERCHANGE THE VALUE OF X AND Y

\longrightarrow{ \tt{y =  \frac{x + 6}{2} }}

Hence ,

\boxed{ \boxed{ {f}^{ - 1} (x) =   \sf{ \bold{ \frac{x + 6}{2} }}}}

Hope I helped!

Have a wonderful day / night !

  • Feel free to leave comments if you have any queries! :D

4 0
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