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3 years ago

Y= -3x+4 standard form

Mathematics

1 answer:

Hunter-Best [27]3 years ago

8 0

Y = -3x + 4 = Slope-intercept form
Y + 3x = 4 = Standard form

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Find the inverse please and thank you

Amanda [17]

The inverse $f^{-1}(x)$ is such that

$f\left(f^{-1}(x)\right) = x$

We have

$f\left(f^{-1}(x)\right) = -9\sqrt{f^{-1}(x) - 8} + 5 = x$

Solve for the inverse.

$-9\sqrt{f^{-1}(x)-8} + 5 = x \\\\ -9\sqrt{f^{-1}(x)-8} = x-5 \\\\ \sqrt{f^{-1}(x)-8} = -\dfrac{x-5}9 \\\\ \left(\sqrt{f^{-1}(x)-8}\right)^2 = \left(-\dfrac{x-5}9\right)^2 \\\\ f^{-1}(x) - 8 = \dfrac{(x-5)^2}{81} \\\\ \boxed{f^{-1}(x) = 8 + \dfrac{(x-5)^2}{81}}$

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2 years ago

The perimeter of a rectangular building is 1200 feet. The width of the building is 2 feet less than three times the length. What

juin [17]

Given:

The perimeter of a rectangular building is 1200 feet.

The width of the building is 2 feet less than three times the length.

To find:

Width of the building.

Solution:

Let length of the building be x.

Then, width = 3x-2

We know that,

$Perimeter=2(length +width)$

$1200=2(x+3x-2)$

$1200=2(4x-2)$

$1200=8x-4$

Add 4 on both sides

$1204=8x$

Divide both sides by 8.

$\dfrac{1204}{8}=x$

$150.5=x$

Now,

$Width=3x-2$

$Width=3(150.5)-2$

$Width=451.5-2$

$Width=449.5$

Therefore, the width of the building is 449.5 feet.

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3 years ago

Find the volume of the cylinder. Round your answer to the nearest tenth.<br> 8 m<br> 10 m

aivan3 [116]

Answer:

V = 2010.6193m^3

Step-by-step explanation:

This is right assuming 8m is the radius and 10m is the height

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3 years ago

BRAINLIEST, THANKS, 5 STARS ! Correct and fast answers needed!

DedPeter [7]

Answer:

I believe the answer is the second one. Hope this helps :))

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3 years ago

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What's the independent variable and the dependent variable

jeka57 [31]

Answer:

The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. In other words, the dependent variable is the one you measure and the independent is the one you change in an experiment.

Step-by-step explanation:

Hope this helps:)

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3 years ago

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