4 years ago

What is the equation for 8x=40

Mathematics

2 answers:

boyakko [2]4 years ago

7 0

The answer to the question is 5

Alla [95]4 years ago

5 0

Remark

What exactly do you want? You have written the equation. So perhaps what you would like is the value for x.

When people start doing algebra usually they are asked what multiplied by 8 will give 40. There is no procedure to that, just an answer.

8 times 5 = 40. So the answer is 5.

You do know that 8x means 8*x or multiply 8 times x do you not?

Procedure

8*x = 40 Divide both sides by 8

8x ÷ 8 = 40÷8

x = 5

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3 years ago

What is the inverse of the function f(x) = x 3? h(x) = one-thirdx 3 h(x) = one-thirdx – 3 h(x) = x – 3 h(x) = x 3

riadik2000 [5.3K]

The inverse of the function f(x) = $x^{3}$ is : $\sqrt[3]{x}$

<h3 /><h3>What is the inverse of a function?</h3>

The inverse of a function is that function that acts to undo a given function.

Analysis:

if f(x) = x^{3}, then let y = $x^{3}$

$\sqrt[3]{y}$ = $\sqrt[3]{x^{3} }$

x = $\sqrt[3]{y}$

Replace y with x

h(x) = $\sqrt[3]{x}$

in conclusion, the inverse of h(x) = $\sqrt[3]{x}$

Learn more about inverse of a function: brainly.com/question/3831584

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