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gulaghasi [49]
3 years ago
5

Factor the expression X2+4X +4

Mathematics
1 answer:
mash [69]3 years ago
4 0

Answer:

A

Step-by-step explanation:

(x+2)(x+2)

= x^2+2x+2x+4

=x^2+4x+4

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Explain how you can check whether a number is written correctly in scientific notation.
wariber [46]
Answer

Scientific notation review
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7 0
3 years ago
An hourglass consists of two sets of congruent composite figures on either end. Each composite figure is made up of a cone and a
Elena-2011 [213]
The answer will be 62.4. We know this because of the next procedure:
<span>We know that:
the volume of a cylinder is pi * r^2 * h 
the volume of a cone is 1/3 * pi * r^2 * h 
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</span><span>the height of the cylinder must be 35. 

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since the top drains at the rate of 10 * pi cubic millimeters per second, the top will be empty and the bottom full after 1960.353816 / (10 * pi) = 62.4 seconds. 
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3 0
3 years ago
Read 2 more answers
PLEASE HELP URGENT!!!<br><br> Answer only 28.
disa [49]

Answer:

-2h -16k

Step-by-step explanation:

-2(h+8k)

Distribute

-2h -2 *8k

-2h   -16k

They failed to distribute the minus sign as well as the 2            

4 0
3 years ago
If Melanie spins this spinner 1000 times, approximately how many times will it land on blue?
klemol [59]

Answer:

it would be 500

Step-by-step explanation:

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5 0
3 years ago
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Gemiola [76]
U + v =  {-3 + -3,     -5 + 1} =  <span> {-6 ,  -4} 

</span>u + v  =  <span> {-6 ,  -4} </span>
3 0
4 years ago
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