3 years ago

Is one over eight irrational or rational

Mathematics

1 answer:

lukranit [14]3 years ago

4 0

The answer to this is irrational

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Solve the equation and enter the value of x below. -4(x - 5) = 60

dsp73

Answer:

The value of x is 10.

Step-by-step explanation:

By question,

-4(x - 5) = 60

or,-4x + 20 = 60

or,-4x = 60 -20

or, -4x = 40

or, x =40/-4

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Greater than because 5 feet equal 60 inches

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3 years ago

Y = x² +1,x>0 find the inverse

Greeley [361]

Answer:

The inverse of x² +1 is:

$\sqrt{x-1},\:-\sqrt{x-1}$

Step-by-step explanation:

Given

y = x² + 1, x>0

We know that A function g is the inverse of a function f if for y = f(x), x = g(y)

y = x² +1

Replace x with y

x = y² + 1

solve for y

y² = x - 1

Taking square root

$y=\:\sqrt{x-1},-\sqrt{x-1}$

Thus, the inverse of x² +1 is:

$\sqrt{x-1},\:-\sqrt{x-1}$

7 0

3 years ago