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Nat2105 [25]
2 years ago
10

Express 512 as a power of 2. a) 2*8* b) 27*7* c)29*9* d) 210*10*

Mathematics
1 answer:
mote1985 [20]2 years ago
7 0

Answer:

256^2

Step-by-step explanation:

256 power 2 is in a power of 2

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Thank you, please show me the steps.
Lady bird [3.3K]
V=(1/3)hpir^2
d/2=r
2.75/2=1.375
to make volume 4 times more
multiply height by 4 or multiply radius by 2
example
find current cup volume
V=(1/3)2.75pi1.375^2=2.2057291666666pi

if we times height by 4
3.5*4=14
V=(1/3)14pi1.375^2=8.822916666666666666pi

if we times radius by 2
1.375*2=5.5
V=(1/3)3.5pi5.5^2=8.822916666666666666pi


we can show it is 4 times by
8.822916666666666666pi/2.2057291666666pi= 3.99999 close enough
dimentions are

diameter of 2.75in and height of 11in or
 diameter of 5.5in and height of 3.5 in


7 0
3 years ago
Find the reference angle of <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20-%20%5Cpi%7D%7B7%7D%20" id="TexFormula1" title
Semenov [28]

Answer:

π7

Step-by-step explanation:

since  is in the first quadrant, the reference angle is π7

3 0
3 years ago
Pls help me, <br> Answer choices are :<br><br> A. 7<br> B. 30<br> C. 28<br> D. 49
WARRIOR [948]
I think 30 because I did all the equation and I got 30
4 0
3 years ago
Read 2 more answers
A phone costs $50 and goes on sale for 20% off. Select the amount that was discounted as well as the final price after the sale.
Afina-wow [57]

Answer:

40% because every 10$ = 20%

Step-by-step explanation:

6 0
3 years ago
Hello guysssssss asap
Vikentia [17]

Answer:

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Step-by-step explanation:

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3 years ago
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