3 years ago

Please help me asap What is the value of x? 3 6 27 72

Mathematics

1 answer:

fredd [130]3 years ago

5 0

The answer to your question is 3

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!!!!!!!!!!!!!!!!!!!!

Andru [333]

Answer:

$f^{-1}(x)=4x+20$

Step-by-step explanation:

Given

$f(x)=\frac{x}{4}-5\\ \\y=\frac{x}{4}-5$

Swap x and y and solve for y

$y=\frac{x}{4}-5\\ \\x=\frac{y}{4}-5\\ \\x+5=\frac{y}{4}\\ \\4(x+5)=y\\\\y=4x+20$

Final answer

$f^{-1}(x)=4x+20$

Keep in mind that we need to swap the variables because a function and its inverse are symmetrical about the line y=x. See the graph below.

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3 years ago

The slipe of the line passing through the points (7, 5) and (21, 15) is

SOVA2 [1]

Answer:

5/7

Step-by-step explanation:

You find a slope by using the equation y2-y1/x2-x1.

In this case: 15-5/21-7

10/14

5/7

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3 years ago

For Triangle ABC, if AB = 10 mm, BC = 19 mm, and CA = 15 mm, what is the SMALLEST angle measure? * 1 point Angle A Angle BFor Tr

Natasha_Volkova [10]

Answer:

Angle C

Step-by-step explanation:

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What is the product of the polynomials below?

Anna35 [415]

The answer is letter C

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3 years ago

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Rasek [7]

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Step-by-step explanation:

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3 years ago

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