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3 years ago

I need assistance!!! i'll give a brainiest.

Mathematics

1 answer:

aivan3 [116]3 years ago

7 0

Answer:

this was to on my test let me give you one picture read it.hope it helps

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What is the inverse of the function f(x) =<br> 1/9x+ 2?

hichkok12 [17]

Answer:

$f^{-1}(x) = 9x -18.$

Step-by-step explanation:

$y=f(x)=\dfrac 19 x +2\\\\\text{Replace x with y and then solve for y,}\\\\~~~~~~~x = \dfrac 19 y+2\\\\\implies 9x =y + 18~~~~~~~~~~~~~~~;[\text{Multiply both sides by 9}]\\ \\\implies y = 9x -18\\\\\implies f^{-1}(x) = 9x -18\\\\\text{Hence, the inverse of the given function is}~ f^{-1}(x) = 9x -18.$

4 0

2 years ago

A plumber charges a base fee of $60, and then each hour of work costs $15. Yesterday Joe hired the plumber to fix his sink, at a

grigory [225]

Answer:

Step-by-step explanation:

240-60

then devided by

7 0

3 years ago

How to turn into mixed number

dsp73

This as a mixed number is 1 4/5 because when we do 9/1 x 1/5 it gets us 9/5. We have to change 9/5 as a mixed by seeing how much times the numerator which here is 1, and how much nummbers are left over so 4 and we leave the denominator as 5, so we get 1 4/5

7 0

3 years ago

Read 2 more answers

if there are 24 boys and 6 girls in a room, fill out all of the possible ratios of boys to girls that could be made.

Lubov Fominskaja [6]

Answer:

4:1, 6:2, 12:3, 24:6

Step-by-step explanation:

24 boy

6 girls

possible ratio

24 ÷ 6 = 4

6÷ 6 = 1

4 : 1

24 ÷ 3 = 6

6 ÷ 3 = 2

6 : 2

24 ÷ 2 = 12

6 ÷ 2 = 3

12 : 3

24 ÷ 1 = 24

6 ÷ 1 = 6

24 :6

3 0

3 years ago

How many numbers between 1 and 100 are multiples of both 2 and 7

liraira [26]

7. The formula is : $98-14=84$ and then $\frac{84}{14}$ and then $6+1=7$ .

The reason behind it is 14 is the least common multiple of 7 and 2 and 98 is the largest 2 digit multiple of 14. Subtract 98 and 14 and then divide by 14 to get 6 and then add 1. You will get 7 which is our answer!

6 0

3 years ago