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2 years ago

Which number below is greater than 9 but less than 10? A. √ 45 B. √ 80 C. √ 85 D. √ 100

Mathematics

1 answer:

zlopas [31]2 years ago

3 0

Answer:

C: 85

Step-by-step explanation:

its about 9.2

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Ayala biked 12.76 miles on Sunday, 3.45 miles on Monday, and 6.52 miles on Tuesday. Over those three days, about how many miles

agasfer [191]

Answer:

23 miles

Step-by-step explanation:

12.76=13

3.45=3

6.52=7

13+3+7=23

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2 years ago

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erica [24]

Answer:

Step-by-step explanation:

Normal division

7488\96=78

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2 years ago

Hi, please help me out with this math question I don't understand it.

Cerrena [4.2K]

Answer:

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Step-by-step explanation:

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2 years ago

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}
\\\\\\
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3 years ago

Can someone help meee

frez [133]

Answer: D or #4: None of the above

Step-by-step explanation: Since the longest angle is 13 x has to be around half because its a 47 degree angle if we round it would be 6 so D

5 0

2 years ago