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allsm [11]
3 years ago
14

State whether the data described below are discrete or continuous, and explain why. The amounts of time that different surgical

procedures take at hospital
Mathematics
1 answer:
zepelin [54]3 years ago
5 0

Using variable concepts, it is found that the amounts of time that different surgical procedures take at hospital is continuous.

<h3>What are continuous and discrete variables?</h3>
  • Continuous variables: Can assume decimal values.
  • Discrete variables: Assume only countable values, such as 0, 1, 2, 3, ...

In this problem, the amounts of time that different surgical procedures take at hospital can be decimal, for example 10.5 minutes, hence it is a continuous variable.

You can learn more about continuous and discrete variables at brainly.com/question/16978770

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Solve.<br> 3.5 x (5.8 - 7.09) =
Ratling [72]

Answer:

-4.515

Step-by-step explanation:

3.5 times 5.8 is 20.3 and then 3.5 times -7.09 is -24.815 added together to get -4.815 so technically its none of those but they might have miss typed so i think probably -4.515

8 0
3 years ago
What is the surface area of a triangular pyramid if each face has an area of 80 m2? A. 240 m2 B. 160 m2 C. 320 m2 D. 20 m2
alexdok [17]
If each face is 80m² and there are 4 identical faces, the answer would be 4 x 80 = 320m² - C
5 0
3 years ago
(−7) Times (−4) whats the answer
nadya68 [22]
28. - x - = +

-7 x -4 = 28
8 0
3 years ago
Read 2 more answers
A circle passes through points A(7,4), B(10,6), C(12,3). Show that AC must be the diameter of the circle.
Artist 52 [7]

so we have three points, A, B and C, if indeed AC is the diameter of the circle, then half the distance of AC is its radius, and the midpoint of AC is the center of the circle, morever, since B is also on the circle, the distance from B to the center must be the same radius distance.

in short, half the distance of AC must be equals to the distance of B to the midpoint of AC, if indeed AC is the diameter.

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{7}~,~\stackrel{y_1}{4})\qquad C(\stackrel{x_2}{12}~,~\stackrel{y_2}{3}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{12+7}{2}~~,~~\cfrac{3+4}{2} \right)\implies \left( \cfrac{19}{2}~~,~~\cfrac{7}{2} \right)=M\impliedby \textit{center of the circle}

now, let's check the distance from say A to the center, and check the distance of B to the center, if it's indeed the center, they'll be the same and thus AC its diameter.

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{7}~,~\stackrel{y_1}{4})\qquad M(\stackrel{x_2}{\frac{19}{2}}~,~\stackrel{y_2}{\frac{7}{2}})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AM=\sqrt{\left( \frac{19}{2}-7 \right)^2+\left( \frac{7}{2}-4 \right)^2} \\\\\\ AM=\sqrt{\left( \frac{5}{2}\right)^2+\left( -\frac{1}{2} \right)^2}\implies \boxed{AM\approx 2.549509756796392} \\\\[-0.35em] ~\dotfill

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{10}~,~\stackrel{y_1}{6})\qquad M(\stackrel{x_2}{\frac{19}{2}}~,~\stackrel{y_2}{\frac{7}{2}}) \\\\\\ BM=\sqrt{\left( \frac{19}{2}-10 \right)^2+\left( \frac{7}{2}-6 \right)^2} \\\\\\ BM=\sqrt{\left( -\frac{1}{2}\right)^2+\left( -\frac{5}{2} \right)^2}\implies \boxed{BM\approx 2.549509756796392}

6 0
3 years ago
A company printed 10,398 flyers for its sales people. Each sales person received the same
Vlad1618 [11]

Answer:

3,2,6

Step-by-step explanation:

if you divide 10,398 by all numbers 3,2 and 6 have whole numbers:)

4 0
2 years ago
Read 2 more answers
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