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3 years ago

What is the range of the following data set? 13, 17, 18, 15, 12, 21, 10

Mathematics

2 answers:

jarptica [38.1K]3 years ago

5 0

Answer:

Step-by-step explanation:

mart [117]3 years ago

4 0

Answer:

Step-by-step explanation:

Put the numbers in order from smallest to largest

10, 12,13, 15, 17, 18, 21,

The range is the largest number minus the smallest number

21-10

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Consider a triangle with angles 30o-60o-90o, with hypotenuse of length 2. Calculate the lengths of the other 2 sides and store t

kumpel [21]

Answer:

1.00 and 1.73

Step-by-step explanation:

1) Calculating the 1st and the 2nd leg using trigonometric function sine:

$sin (30^{0})=\frac{c}{2}\Rightarrow \frac{1}{2}=\frac{c}{2}\Rightarrow 2*\frac{1}{2}=2*\frac{c}{2}\Rightarrow c=1\\sin(60^0)=\frac{b}{2}\Rightarrow \frac{\sqrt{3}}{2}=\frac{b}{2}\Rightarrow b=\sqrt{3}\Rightarrow\: b\approx \:1.73$

Once one leg is found there is another way to find the other leg, using Pythagorean Theorem too.

$a^{2}=b^{2}+c^{2}\Rightarrow 2^{2}=b^{2}+1^{2}\Rightarrow 4-1=b^{2}\Rightarrow b=\sqrt{3} b\approx 1.73$

Sides

a hypotenuse: 2.00

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b leg: 1.73

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c leg: 1.00

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3 years ago

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ohaa [14]

The answer is either C or D hope that helped a little

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2 years ago