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Vinvika [58]
3 years ago
14

Helpppppp meee please

Mathematics
2 answers:
a_sh-v [17]3 years ago
7 0

Answer:

a) $14.45 b) 1.45x+1.2y

Step-by-step explanation:

5*1.45+6*1.2=14.45

Volgvan3 years ago
4 0

Answer:

7.25 and 7.20

Step-by-step explanation:

I calculated and got it correct

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Simplify negative 5 minus the square root of negative 44 negative 5 minus 4 times the square root of 11 i negative 5 minus 4 i t
Anika [276]

Answer:

-5-\sqrt{-44}=-5-2\sqrt{11}i

Step-by-step explanation:

We want to simplify:

-5-\sqrt{-44}

We rewrite the expression under the radical sign to obtain:

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We split the expression under the radical sign to get:

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This implies that:

-5-\sqrt{4} \times \sqrt{11} \times \sqrt{-1}=-5-2\sqrt{11}i

Therefore -5-\sqrt{-44}=-5-2\sqrt{11}i

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