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Luda [366]
4 years ago
7

What is the value of d in the equation d−1.9=9.1 ?

Mathematics
2 answers:
andriy [413]4 years ago
8 0
The answer would be d += 11.  Because 1.9 + 9.1 = 11 hop it helps :)
inn [45]4 years ago
6 0
To get your answer, just add 9.1+1.9. You get 11.

You can double check by replacing 11 with D in the equation.

11-1.9 does equal 9.1 so the answer is correct.
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6 0
3 years ago
Simplify 2√2-√3<br> ---------------<br> √2+√3
serious [3.7K]

Step-by-step explanation:

=  \frac{2 \sqrt{2}   -  \sqrt{3} }{ \sqrt{2} +  \sqrt{3}  }

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= \frac{ 2( \sqrt{2}  -  \sqrt{3} )( \sqrt{2}  -  \sqrt{3} )}{ { \sqrt{2} }^{2} -  { \sqrt{3} }^{2}  }

=  \frac{2(2 -  \sqrt{6}  -  \sqrt{6} - 3) }{2 - 3}

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= 2(1 + 2 \sqrt{6} )

= 2 + 4 \sqrt{6}

6 0
2 years ago
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