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Leviafan [203]
3 years ago
6

PLZZZZZZZZZZZZZZZZZ HELPPPPPPPPPPPPPPPPPPPPP ASAPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP WILLLLLLLLLLLLLLLL GIVEEEEEEEEEEEEEEE BRAINLES

TTTTTTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Drag the simplified value into the box to match each expression.


23+1⋅4−3---->

20+10−4⋅2---->

3+52−6⋅4---->


3 4 9 12 42 53


(answer if you know the right answer)

Mathematics
2 answers:
Pepsi [2]3 years ago
8 0

A sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°C. If the system is at dynamic equilibrium, which of these statements is true?  


MAVERICK [17]3 years ago
8 0

Answer: 3+ 5(2)- 6 x 4 = 9

{ignore the second one}:


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Simplify $\frac{1+\sqrt{2}}{2+\sqrt{3}}$. Your solution can be converted to the form $A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})$, where
Zina [86]

Answer:

A+B+C+D = 13

Step-by-step explanation:

The given expression is:

\dfrac{1+\sqrt{2}}{2+\sqrt{3}}

We have to simply it and express it in the form of:

A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})

Multiply and divide the given expression with 2-\sqrt 3:

\dfrac{1+\sqrt{2}}{2+\sqrt{3}} \times \dfrac{2-\sqrt 3}{2-\sqrt 3}\\\Rightarrow \dfrac{(1+\sqrt{2}) \times (2-\sqrt 3)}{(2+\sqrt{3})\times (2-\sqrt 3)}\\\Rightarrow \dfrac{2+2\sqrt2-\sqrt3-\sqrt6}{2^2-(\sqrt{3})^2}\\\Rightarrow \dfrac{2+2\sqrt2-\sqrt3-\sqrt6}{4-3}\\\Rightarrow \dfrac{2(1+\sqrt2)-(\sqrt3+\sqrt6)}{1}\\\Rightarrow 2(1+\sqrt2)-(\sqrt3+\sqrt6)

It is the simplified form of given expression.

<u>Formula used: </u>

<u></u>(a+b)(a-b) = a^{2} -b^{2}<u></u>

<u></u>

<u>Comparing the simplified expression with </u>A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})<u></u>

2(1+\sqrt2)-(\sqrt3+\sqrt6)=A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})\\\Rightarrow A =2, B=2, C=3\ and\ D=6

So, value of

A+B+C+D = 2+2+3+6 = 13

8 0
4 years ago
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