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Anna71 [15]
3 years ago
8

Is 31 prime or composite

Mathematics
2 answers:
crimeas [40]3 years ago
8 0

Answer:

The answer is prime

Lina20 [59]3 years ago
4 0

Answer:

It is Prime

Step-by-step explanation:

It is prime because you cannot multiply anything besides 31×1 or 1×31

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Answer: 5

Step-by-step explanation:

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3 years ago
You have a can that is in the shape of a cylinder. It has a volume of about 1,728 cubic centimeters. The height of the can is 22
MakcuM [25]
V=πr^2h 

V= volume, r=radius, and h=height

Plug in what you know. 

1,728= 3.14*r^2*22 

Combine like terms. 

1,728= 69.08*r^2

Divide both sides by 69.08. 

25. 0144759.... Round down to 25. 

25=r^2

The square root of 25. 

r=5

The radius is about 5 centimeters. 

I hope this helps!
~kaikers
7 0
3 years ago
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maks197457 [2]

Answer:

7) no 8) no 9) no 10)yes 11) yes 12) yes 13) k=42 14) c=30 15)a=42

Step-by-step explanation:

6 0
3 years ago
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Solve and Show ALL steps<br> |–4b – 8| + |–1 – b²| + 2b³ ; b = –2
julia-pushkina [17]
|a|=  \left\{\begin{array}{ccc}a&for\ a\geq0\\-a&for\ a \ \textless \  0\end{array}\right\\\\Examples:\\\\|2|=2\ because\ 2\geq0\\|0|=0\ because\ 0\geq0\\|-5|=-(-5)=5\ because\ -5 \ \textless \  0\\|-11|=11\ because\ -11 \ \textless \  0\\|-2.5|=2.5\ because\ -2.5 \ \textless \  0

|-4b-8|+|-1-b^2|+2b^3\\\\subtitute\ the\ value\ of\ b=-2\ to\ the\ expression:\\\\|-4\cdot(-2)-8|+|-1-(-2)^2|+2\cdot(-2)^3\\\\=|8-8|+|-1-4|+2\cdot(-8)\\\\=|0|+|-5|-16\\\\=0+5-16\\\\=-11
7 0
3 years ago
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What’s the answer please
Galina-37 [17]

Answer:

0,∞

Thus, the range of the square root function is [0,∞)

Step-by-step explanation:

When its domain is greater than or equal to zero, its inverse is the squaring function. When its domain is all real numbers, its range includes complex numbers such as i, -1.

6 0
3 years ago
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