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3 years ago

Triangle proportions pls help w/ work

Mathematics

2 answers:

allsm [11]3 years ago

5 0

Answer:

Step-by-step explanation:

the answer is shown 48

Ksenya-84 [330]3 years ago

4 0

Answer:

Step-by-step explanation:

Let the missing side be " x "

30 / ( 30 + 10 ) = 48 / x.

30 / 40 = 48 / x

3 / 4 = 48 / x

3 * x = 4 * 48

x = 4 * 48 / 3

= 4 * 16

x = 64

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Which equation is the inverse of f(x)=LaTeX: \frac{1}{x+2}1 x + 2 A. LaTeX: f^{-1}\left(x\right)=\frac{1}{x}+2f − 1 ( x ) = 1 x

inna [77]

Answer:

$g^{-1}x = \frac{1-2x}{x}$

Step-by-step explanation:

Given the function $g(x)= \frac{1}{x+2}$ , we are to find the inverse of the function and this can be done y following the simple steps:

Step 1: Replace y with $g(x)$

$g(x)= \frac{1}{x+2}\\y= \frac{1}{x+2}$

Step 2: Interchange x with y

$x= \frac{1}{y+2}$

Step 3: Make y the subject of the formula;

$x= \frac{1}{y+2}\\y+2 = \frac{1}{x}\\y = \frac{1}{x} - 2\\Find \ the\ LCM\\y = \frac{1-2x}{x}$

Step 4: Replace y as $g^{-1}(x)$

$g^{-1}x = \frac{1-2x}{x}$

Hence the inverse of the function is $g^{-1}x = \frac{1-2x}{x}$

3 0

3 years ago

How many gallons of pure water should be added to 10 gallons of a solution containing 15% juice so that the remaining solution c

jok3333 [9.3K]

Answer:

20 gallons

Step-by-step explanation:

10 gallons of solution w/ 15% juice means 1.5 gal of juice

to make it into 5%, multiply 1.5 by 20

1.5 x 20 = 30

5% of 30 gallons is 1.5 since 10% of 30 is 3.

Since there was already 10 gallons, the # of gallons of pure water added should be 20 gal.

I hope this helps thanks

6 0

3 years ago

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Katarina [22]

Answer:

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Step-by-step explanation:

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