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sertanlavr [38]
3 years ago
8

In the typing world, 80 words per 5 minutes is considered acceptable.

Mathematics
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

16

Step-by-step explanation:

Anastaziya [24]3 years ago
5 0

Answer:

16

Step-by-step explanation:

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Solve the equation on the interval [0,2π). cos^4x=cos^4xcscx
Alisiya [41]
\bf cos^4(x)=cos^4(x)csc(x)\\\\
-----------------------------\\\\
cos^4(x)=cos^4(x)\cfrac{1}{sin(x)}\implies cos^4(x)=\cfrac{cos^4(x)}{sin(x)}
\\\\\\
cos^4(x)sin(x)=cos^4(x)\implies cos^4(x)sin(x)-cos^4(x)=0
\\\\\\
cos^4(x)[sin(x)-1]=0\to 
\begin{cases}
cos^4(x)=0\to x=cos^{-1}(0)\\
----------\\
sin(x)-1=0\\
sin(x)=1\to x=sin^{-1}(1)
\end{cases}

\bf \measuredangle x = cos^{-1}(0)\implies \measuredangle x = 
\begin{cases}
\frac{\pi }{2}\\\\
\frac{3\pi }{2}
\end{cases}
\\\\\\
\measuredangle x=sin^{-1}(1)\implies \measuredangle x=\frac{\pi }{2}

3 0
3 years ago
HELP ME PLEASE THIS IS REALLY IMPORTANT
andrezito [222]

Answer:

4

Step-by-step explanation:

COUNT ALL (16) DIVIDE BY 4

8 0
3 years ago
Read 2 more answers
Answer 3*c*c*c * = multiply Make it a Simplified expression
maks197457 [2]
3c^3. This is probably it. I'm pretty positive.
5 0
3 years ago
Read 2 more answers
Tom drove at a constant speed 50 mph for 2.5 hours Albert drove at a constant speed of 65 mph for 2 hours. How many more total m
Alona [7]

Answer:

  5 miles

Step-by-step explanation:

distance = speed · time

Tom's distance = (50 mi/h)·(2.5 h) = 125 mi

Albert's distance = (65 mi/h)·(2 h) = 130 mi

Albert drove 130 -125 = 5 miles farther than Tom.

8 0
3 years ago
Simplify.
Fiesta28 [93]
Simple. Just add/subtract each term. 4n-2n=2n. 8m+7m=15m.
This is very basic stuff.
5 0
3 years ago
Read 2 more answers
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