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dem82 [27]
2 years ago
7

Which situation will yield variability?

Mathematics
1 answer:
viva [34]2 years ago
4 0

Answer:

A) 30

B) 2h 23m

C) 13-17

D) 70 MPH

Step-by-step explanation:
D) It is a safe speed for people to go

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\bf (\stackrel{a}{3}~,~\stackrel{b}{-4})\impliedby \textit{now let's find the \underline{hypotenuse}}
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\textit{using the pythagorean theorem}
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c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}
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\begin{cases}
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c=\sqrt{3^2+(-4)^2}\implies c=\sqrt{25}\implies \boxed{c=5}

\bf -------------------------------\\\\
sin(\theta )=\cfrac{\stackrel{opposite}{-4}}{\stackrel{hypotenuse}{5}}\qquad cos(\theta )=\cfrac{\stackrel{adjacent}{3}}{\stackrel{hypotenuse}{5}}\qquad tan(\theta )=\cfrac{\stackrel{opposite}{-4}}{\stackrel{adjacent}{3}}
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3 years ago
What value of c makes the trinomial below a perfect square?<br> x^2+9x+c
lyudmila [28]
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4 0
4 years ago
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A line passes through the point (3,9) and has a slope of 4
expeople1 [14]
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Help please!! True Or False?
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Determine which of the four levels of measurement​ (nominal, ordinal,​ interval, ratio) is most appropriate. ages of children: 3
gayaneshka [121]

Answer:

The level of variable ages of children is ratio.

Explanation:

Nominal scale is the one which takes categories as its values like gender of a person.

Ordinal scale is the one which is used to show the order of values with no clear difference among them like satisfaction level of people with a service.

Interval scale is the one which shows the clear order of values with clear difference between the values with out true zero.

Ordered scale is one which not only produces the order of variables but also makes the difference between variables known along with information on the value of true zero.

Therefore, the variable which is under consideration here is the ages of children, which takes the values 3,4,5,6 and 7 is a ratio scale.


6 0
3 years ago
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