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marta [7]
3 years ago
15

What is the value of k? -k+78=98-20

Mathematics
1 answer:
Jlenok [28]3 years ago
6 0

Answer:

k=0

Step-by-step explanation:

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The area of a circle is 100 square miles. What is the diameter?
adell [148]

Answer:

The diameter of a circle with an area of 100 square miles is 20/√π miles.

Step-by-step explanation:

Area =100 = πr^2.

diameter = d = 2r.

100 = πr^2.

100/π = r^2.

√(100/π) = r.

10/√π = r.

d = 2r.

d = 2 * 10/√π.

d = 20/√π

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2 years ago
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Step-by-step explanation:

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2 years ago
What is the median of this set of data?
dem82 [27]
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you put the number in order from little to big  and the one in the middle is your answer 
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Express the function g in the form f ∘ g. (there is more than one correct answer. the function is of the form y = f(g(x)). use n
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Step-by-step explanation:

5 0
3 years ago
Pls help. i never understood this rule.
Dimas [21]
L'Hopital rule only applies to indeterminate cases of 0/0 or ∞/∞ or 0*0 or ∞ * ∞.

and you'd need to make the expression a rational, where the numerator and denominator gives you 0/0 or ∞/∞, then you apply L'Hopital.

the only candidate there is 

\bf \lim\limits_{x\to \infty}\cfrac{2x^2-1}{3x+1}\implies \lim\limits_{x\to \infty}\cfrac{2(\infty)^2-1}{3(\infty)+1}\implies \cfrac{\infty}{\infty}
\\\\\\
\textit{so we can use L'Hopital by instead using the derivatives}
\\\\\\
\lim\limits_{x\to \infty}\cfrac{2x^2-1}{3x+1}\stackrel{LH}{\implies }\lim\limits_{x\to \infty}\cfrac{4x}{3}\implies \cfrac{4(\infty)}{3}\implies \infty
8 0
3 years ago
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