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Naddik [55]
2 years ago
10

Distribute and simplify these radicals. √12•(-1+√5) O-4√3 O-2√3+2√15 O 4√3 06√3

Mathematics
1 answer:
Korolek [52]2 years ago
8 0

Answer:

√12×(-1)+√12×√5

-√12+√12×5

= -2√3+2√15

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The cost of Nate's dinner including a 15% tip was $43.70. What was the cost of dinner alone?
Nookie1986 [14]

Answer:

The cost of dinner alone was $37.145

Step-by-step explanation:

15%=0.15----Convert your percentage into a decimal

43.70*0.15=6.555----Multiply the cost of dinner with the decimal

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I hope this helped!

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2 years ago
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lutik1710 [3]
<h3>Answer:</h3>

See the attached

<h3>Step-by-step explanation:</h3>

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... (a -b)² = a² -2ab +b²

That is, both the a² and b² terms have positive signs, and the middle term is twice the product of the roots of the squared terms.

The last two selections have negative signs on the constant, so cannot be perfect square trinomials.

The first selection has a middle term that is -ab, not -2ab, so it is not a perfect square trinomial, either.

The second selection is the correct one:

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3 years ago
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Answer:

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