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3 years ago

What is the name for a measurement of how two variables are related?

Mathematics

1 answer:

antoniya [11.8K]3 years ago

3 0

Answer:

A. Correlation

Step-by-step explanation:

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Which statement represents the number line shown?

Arada [10]

Answer:

Step-by-step explanation:

open circle means no underline and it is past the 6 so it is B

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3 years ago

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Find the value of x on this triangle

blondinia [14]

Look at the picture.

ΔABD and ΔBCD are similar, therefore:

$\dfrac{y}{5}=\dfrac{11}{y}\ \ \ |\cross\ multiply\\\\y^2=55\to y=\sqrt{55}$

Use Pythagorean theorem:

$x^2=5^2+(\sqrt{55})^2\\\\x^2=25+55\\\\x^2=80\to x=\sqrt{80}\\\\x=\sqrt{16\cdot5}\\\\x=\sqrt{16}\cdot\sqrt5\\\\\boxed{x=4\sqrt5}$

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3 years ago

You have 7 times as many nickels

vaieri [72.5K]

Answer:

16 +7= 23

Step-by-step explanation:

it's a addition problem

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2 years ago

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Find the derivative. <br> y = 5/ (2root4(x^3))

DedPeter [7]

$\bf y=\cfrac{5}{2\sqrt[4]{x^3}}\implies y=\cfrac{5}{2}\cdot x^{-\frac{3}{4}}\\\\
-----------------------------\\\\
\cfrac{dy}{dx}=\cfrac{5}{2}\left( -\cfrac{3}{4}x^{-\frac{3}{4}-1} \right)\implies 
\cfrac{dy}{dx}=\cfrac{5}{2}\left( -\cfrac{3}{4}x^{-\frac{7}{4}} \right)
\\\\\\
 
\cfrac{dy}{dx}=-\cfrac{15}{8}\cdot x^{-\frac{7}{4}} 
\implies 
\cfrac{dy}{dx}=-\cfrac{15}{8}\cdot \cfrac{1}{x^{\frac{7}{4}} }
\\\\\\
$

$\bf
\cfrac{dy}{dx}=-\cfrac{15}{8x^{\frac{7}{4}}}\implies 
\cfrac{dy}{dx}=-\cfrac{15}{8\sqrt[4]{x^7}}\\\\\\ \cfrac{dy}{dx}=-\cfrac{15}{8x\sqrt[4]{x^3}}
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3 years ago

Select all the correct answers.

lara31 [8.8K]

Answer:

B i think

Step-by-step explanation:

i think its B because all the other ones don'e look right. hope its correct. :)

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3 years ago

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