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egoroff_w [7]
3 years ago
5

Answer gets BRAINLIEST If q varies inversely as r, and g = 10 when r = 2.5, find the equation that connects a

Mathematics
1 answer:
vladimir1956 [14]3 years ago
4 0

Answer:

D.

Step-by-step explanation:

In direct variations, we would have:

q=kr

Where <em>k</em> is some constant.

Since this is indirect variation, instead of that, we would have:

q=\frac{k}{r}

To determine the equation, find <em>k</em> by putting in the values for <em>q </em>and <em>r:</em>

<em />10=\frac{k}{2.5}\\k=2.5(10)=25<em />

Now plug this back into the variation:

q=\frac{25}{r}

The answer is D.

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Answer:

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Answer:

Q1 = 87 ;

Q2 = 102 ;

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Step-by-step explanation:

Given the data:

111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112

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Sample size, n = 15

The first quartile, Q1 = 1/4(n+1)th term

Q1 = 1/4(15+1)th term

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The Median , Q2 = 1/2(n+1)th term

Q2 = 1/2(15+1)th term

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The third quartile, Q3 = 3/4(n+1)th term

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The interquartile range, IQR = Q3 - Q1

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