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morpeh [17]
3 years ago
8

This question please

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0

19^2 + x^2 = 21^2

19^2 = 361

21^2= 441

361 + x^2 = 441

x^2 = 441-361 = 80

x = sqrt(80) = 8.944 round to nearest tenth = 8.9

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stiks02 [169]

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Step-by-step explanation:

4 0
3 years ago
If t=x+k/m then x equals​
kvv77 [185]

Answer:

x = t - \frac{k}{m}

Step-by-step explanation:

Given

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7 0
3 years ago
PLS ANSWER ASAP
Gnoma [55]

9514 1404 393

Explanation:

<h3>Part 1.</h3>

The inverse of a function y = f(x) can be found by solving x = f(y) for y.

When we do that here, we find ...

  x=f(y)\\\\x=\dfrac{y+a}{b}\\\\bx=y+a\\\\y=bx-a

When we compare this to g(x), which we want to be the inverse of f(x), we see that ...

  cx -d = bx -a   ⇒   b=c, and d=a

We can choose a=d=1 and b=c=2 to make the two functions inverses:

  f(x) = (x +1)/2

  g(x) = 2x -1

__

<h3>Part 2.</h3>

The inverse of f(x) is g(x) if f(g(x)) = x.

  f(g(x)) = ((2x -1) +1)/2 = 2x/1 = x . . . . . g is the inverse of f

__

<h3>Part 3.</h3>

Same as Part 2, but in reverse.

  g(f(x)) = 2((x +1)/2) -1 = (x +1) -1 = x

__

<h3>Part 4.</h3>

The attachment is a graph of the two functions and a table of values. The line y=x is the dashed orange line. You will notice that f(x) and g(x) are reflections of each other across that line.

6 0
3 years ago
The question is find the volume of a cube of 5in 3in and 5in
lisabon 2012 [21]
5in×3in×5in=75in
Because to find the volume, you have to multiply the length, width, and height.
Hope this helps! :D
6 0
3 years ago
There are 8 and 2 over 3pounds of walnuts in a container, which will be divided equally into containers that hold 1 and 1 over 5
kow [346]

Answer:

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Step-by-step explanation:

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7 is the integer that goes in the blank

6 0
3 years ago
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