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luda_lava [24]
2 years ago
9

What Is the perimeter of a=4 and b=2????

Mathematics
2 answers:
sammy [17]2 years ago
8 0

Answer:

Perimeter would be 12 because you add 2a+2b

Step-by-step explanation:

Since perimeter is adding all the sides you have to add 4+4+2+2

marishachu [46]2 years ago
6 0

Answer:

32

Step-by-step explanation: A=4, b=2

Top side  3b this means 3(2)=6

The bottom side measurement is the same 6

The left side 3a - b means 3(4) - 2 = 10

The right side measurement is the same as the left 10

Don't forget is a rectangle ( In a rectangle, all the angles are the same, and the opposite sides are the same length and are also parallel.)

The perimeter is the sum of all sides:

Therefore, 6 + 6 + 10 + 10 =32

Hope this help!

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Gnoma [55]

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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

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<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

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<h3>Part 3.</h3>

Same as Part 2, but in reverse.

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

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<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.

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3 years ago
The graph shows the function f(x).
Minchanka [31]

Explanation is in the file

tinyurl.com/wpazsebu

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2 years ago
Solve A = P(1 + rt) for t
tino4ka555 [31]
A=P(1+rt)
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3 years ago
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Arturiano [62]

Answer:

A. \triangleDEF where \angle D = 75^{\circ} and \angle E = 20^{\circ}.

Step-by-step explanation:

At first we must keep in mind that two triangles are similar when they have same angle configuration, that is, each pair of angles is congruent. If \triangleABC and \triangleDEF, then \angle A \equiv \angle D and \angle B \equiv \angle E. Hence, \angle D = 75^{\circ} and \angle E = 20^{\circ}.

In a nutshell, correct answer is A.

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3 years ago
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wariber [46]

Answer:

101430

Step-by-step explanation:

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