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sweet [91]
3 years ago
10

A square has a length of 2x+7 find a simplified expression that represents area

Mathematics
1 answer:
Ivan3 years ago
5 0

Answer:

area = (2x+7)squared

Step-by-step explanation:

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Rationalize the denominator 2√7+√3/3√7-√3​
Dahasolnce [82]

Answer:

\frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7} -  \sqrt{3}  }  =  \frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7}  -  \sqrt{3} } . \frac{3 \sqrt{7} +  \sqrt{3}  }{3 \sqrt{7} +  \sqrt{3}  }  \\  \\  =  \frac{(2 \sqrt{7} + 3)(3 \sqrt{7}  +  \sqrt{3})  }{(3 \sqrt{7}  - 3)(3 \sqrt{7} +  \sqrt{3} ) }  \\  \\  =  \frac{(42 + 2 \sqrt{21} + 9 \sqrt{21}   + 3 \sqrt{21} )}{63 - 3}  \\  \\  =  \frac{42 +  2\sqrt{21}  + 9 \sqrt{21} + 3 \sqrt{21}  }{60}

5 0
3 years ago
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NEED HELP ASAP FAST
liubo4ka [24]

Answer:

the probability is 50% or 1/2 (equally likely and equally unlikely)

That is because it does not state the amount of socks inside the draw; meaning the answer has to be theoretical.

If the probability is the same, than it has to equal to 100

so we can conclude that 1/2 of the drawer is blue socks and 1/2 is white socks.

5 0
3 years ago
Help with proofs please
allsm [11]

Answer:

A. addition property of equality

Step-by-step explanation:

hope it helps

3 0
2 years ago
What is the relationship between 5,000 and 500,000
egoroff_w [7]
For one 5000 can be multiplied by a number to get 500,000. 500,000 is also divisible by 5,000
3 0
3 years ago
Use inverse variation equation to fill the table.
ASHA 777 [7]

The correct answers to the question above includes:

a=.1
b=20.775
c=0.02


7 0
4 years ago
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