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3 years ago

11

The sum of a number and four

1 answer:

Anni [7]3 years ago

3 0

X+4

x can be any number

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The graph shows the function f(x). What is the function's average rate of change from x = 0 to x = 2? Enter your answer, as a si

Shkiper50 [21]

Answer:

It's been awhile since I've done this but wouldn't it be -2x

Step-by-step explanation:

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3 years ago

Which number produces an irrational number when added to 0.5?

Musya8 [376]

Answer:

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Step-by-step explanation:

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3 years ago

Determine weather the statement is true or false. Justify your answer

topjm [15]

$\begin{gathered} \cos (-\frac{7\pi}{2})=\cos (\pi+\frac{\pi}{2}) \\ \cos (-\frac{7\pi}{2})=\cos (\frac{3\pi}{2}) \end{gathered}$

As we know:

$\begin{gathered} \cos (x)=0 \\ for \\ x=\pi n-\frac{\pi}{2} \\ n\in Z \end{gathered}$

For:

$\begin{gathered} n=2 \\ x=2\pi-\frac{\pi}{2}=\frac{3\pi}{2} \\ for \\ n=-3 \\ x=-3\pi-\frac{\pi}{2}=-\frac{7\pi}{2} \end{gathered}$

Therefore:

$\begin{gathered} \cos (-\frac{7\pi}{2})=0 \\ and \\ \cos (\frac{3\pi}{2})=0 \\ so\colon \\ 0=0 \\ This_{\text{ }}is_{\text{ }}true \end{gathered}$

Therefore, the statement is true

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1 year ago

which digits make the solution of the equations the whole number 3x+144=532... (answer fast!!!!!!!!!)

Semenov [28]

Step-by-step explanation:

i think i helped mark me as brainlist answer above by pic

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3 years ago

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RoseWind [281]

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4 years ago