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Kaylis [27]
2 years ago
13

Find surface area and 136. 224 236 248 oops I forgot -.-|||

Mathematics
2 answers:
xxMikexx [17]2 years ago
6 0

Answer:

B, 224in2

It may get tedious but just find the area of each face and write them down

Step-by-step explanation:

nasty-shy [4]2 years ago
3 0
Sjekkskdkwlqllsodkfjdnenwmqmqmwmdkd
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If the complex number x = 3 + bi and |x|2 = 13, which is a possible value of b?
Naddika [18.5K]

Answer:

A: 2

Step-by-step explanation:

EDGE 2021

3 0
2 years ago
Helpppp me pls! What is the lenght of AC?
Crazy boy [7]

Step-by-step explanation:

Bc is also 20 answer is 400

7 0
3 years ago
Noah says that 9x − 2x + 4x is equivalent to 3x because the subtraction sign tells us to subtract everything that comes after 9x
Genrish500 [490]

Answer:

Noah's claim is correct

Step-by-step explanation:

B O D M A S - Brackets, Over, Division, Multiplication, Addition and Subtraction, this means that you must do the addition first.  

2x+ 4x = 6x

9x - 6x = 3x

Noah is correct as the - sign tells us that you have to subtract everything after the 9x

Hope this is ok and helps a little bit

5 0
3 years ago
What is the diameter of the cylinder
vfiekz [6]
  • Diameter of cylinder is <u>1</u><u>4</u><u> </u><u>units.</u>
<h3><u>Explamation </u><u>:</u></h3>

<em><u>Given </u></em><em><u>:</u></em><em><u>-</u></em>

  • Volume of cylinder = 245π cubic units
  • Height of cylinder = 5 units

<em><u>To </u></em><em><u>Find </u></em><em><u>:</u></em><em><u>-</u></em>

  • Diameter of cylinder?

<em><u>Solution </u></em><em><u>:</u></em><em><u>-</u></em>

<em>Firstly </em><em>lets </em><em>calculate </em><em>radius </em><em>of </em><em>cylinder </em><em>by </em><em>using </em><em>formula </em><em>of </em><em>volume </em><em>of </em><em>cylinder,</em><em> </em><em>as </em><em>we </em><em>know </em><em>that;</em>

  • Volume of cylinder = πr²h

<em>Putting </em><em>all </em><em>values </em><em>we </em><em>get;</em>

➸ 245π = π × r² × 5

<em>By </em><em>cutting </em><em>'π' </em><em>with </em><em>'π' </em><em>we </em><em>get;</em>

➸ 245 = r² × 5

➸ 245/5 = r²

➸ 49 = r²

➸ √(49) = r²

➸ √(<u>7</u><u> </u><u>×</u><u> </u><u>7</u><u>)</u> = r²

➸ 7 = r

➸ r = 7 units

  • <u>Hence,</u><u> </u><u>radius </u><u>of </u><u>cylinder </u><u>is </u><u>7</u><u> </u><u>units.</u>

<em>Now </em><em>lets </em><em>calculate </em><em>its </em><em>diameter,</em><em> </em><em>as </em><em>we </em><em>know </em><em>that;</em>

  • Diameter = Radius × 2

<em>Putting </em><em>all </em><em>values </em><em>we </em><em>get;</em>

➸ Diameter = 7 × 2

➸ Diameter = 14 units

  • <u>Hence,</u><u> </u><u>diameter </u><u>of </u><u>cylinder </u><u>is </u><u>1</u><u>4</u><u> </u><u>units.</u>

5 0
2 years ago
Read 2 more answers
If the variance of the ages of the people who attended a rock concert is 22, what is the standard deviation of the ages? Round y
antoniya [11.8K]
For the answer to the question above asking i<span>f the variance of the ages of the people who attended a rock concert is 22, what is the standard deviation of the ages?
The answer is sqrt of 22

which is </span><span>4.69041575982 or 4.69
 I hope my answer helped you.</span>
7 0
3 years ago
Read 2 more answers
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