3 years ago

The length of a rectangle is half the width. The area is 25 square meters

Mathematics

1 answer:

salantis [7]3 years ago

7 0

Answer:

width= 5sqrt2 meters

length= 5/sqrt2 meters

Step-by-step explanation:

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For the function f(x)=<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7Bx%7D%20%7D%7B5%7D%20%2B2" id="TexFormula1" title="\f

Ber [7]

Answer:

$f^{-1}(x)=25(x-2)^2$

Step-by-step explanation:

The inverse function can be found by solving ...

f(y) = x

(√y)/5 +2 = x

(√y)/5 = x -2 . . . . . subtract 2

√y = 5(x -2) . . . . . . multiply by 5

y = 25(x -2)² . . . . . square both sides

The inverse function is ...

$f^{-1}(x)=25(x-2)^2$

_____

<em>About the graph</em>

The inverse of a function is its mirror image across the line y = x.

4 0

4 years ago

Mrs.Brown gives two tests to her class. 30% of the class passed both tests and 45% of the class passed the first test. What perc

viktelen [127]

Answer:

25%

Step-by-step explanation:

100%-30%=70%

70%-45%=25%

7 0

3 years ago

F(x) = 2x2 – x + 9<br> Find f (4)

Alex

Answer:

Step-by-step explanation:

F(-4). F(x) = 2x^2 - x + 9

3 0

3 years ago

What is the inequality -26

lilavasa [31]

-26 is not an inequality. It's just a number. Maybe there was
another part of it that you forgot to copy.

3 0

3 years ago

Which of the following describes the transformation from Figure 1 to Figure 2?

elena-s [515]

Answer:

Figure 1

Step-by-step explanation:

3^+ 4^-7/2=8

8 0

2 years ago