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Naddik [55]
2 years ago
9

Hey guys! Please help me out here lol.. Question: Simplify: sqrt(n^2) is n<0

Mathematics
2 answers:
Serga [27]2 years ago
6 0

Answer:

Step-by-step explanation:

salantis [7]2 years ago
3 0

ANSWER:

On simplifying √(n²) if n < 0, we get

Then, n is a positive value.

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Law of cosines: a2 = b2 + c2 – 2bccos(A) What is the measure of S to the nearest whole degree? 19° 26° 30° 33°
sertanlavr [38]
We know that
applying the law of cosines
a² = b²+ c²<span> – 2*b*c*cos(A)
cos (A)=[b</span>²+c²-a²]/[2*b*c]
in this problem
a=10
b=17
c=18
so
cos (A)=[17²+18²-10²]/[2*17*18]-----> cos (A)=0.8382
A=arc cos (0.8382)-----> A=33.05°-----> A=33°

the answer is
33 degrees
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3 years ago
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Answer:

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Step-by-step explanation:

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Agata [3.3K]

Answer:

\huge\boxed{\sqrt{25^{3}}}

Step-by-step explanation:

When we have a number to a fraction power, we need to note that

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Basically, for example, 5^{\frac{1}{2}} is the same as \sqrt{5} since the numerator is 1 (5^1 = 5) and the denominator is 2 (\sqrt{5}).

Applying this same logic to 25^{\frac{3}{2}} -

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Hope this helped!

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3 years ago
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Afina-wow [57]
Joe is going to have 18 nickels!
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