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inna [77]
4 years ago
8

Why might a researcher use a sample rather than an entire population for their study?

Mathematics
1 answer:
cestrela7 [59]4 years ago
6 0

Answer:

c

Step-by-step explanation:

its easier to take a group of 100 or something random people than a whole population.

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Please help me. I am having trouble
spin [16.1K]

Answer:

area = 41 units²

Step-by-step explanation:

area = (8 x 4) + (3 x 3) = 41 units²

5 0
3 years ago
Read 2 more answers
Which of the binomials below is a factor of this trinomial?
My name is Ann [436]
X² + 4x + 4 = (x+2)²

<span>B. x + 2</span>
8 0
3 years ago
-25 Points-
Over [174]

\bf ~\hspace{5em} \textit{ratio relations of two similar shapes} \\\\ \begin{array}{ccccllll} &\stackrel{\stackrel{ratio}{of~the}}{Sides}&\stackrel{\stackrel{ratio}{of~the}}{Areas}&\stackrel{\stackrel{ratio}{of~the}}{Volumes}\\ \cline{2-4}&\\ \cfrac{\stackrel{similar}{shape}}{\stackrel{similar}{shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}~\hspace{6em} \cfrac{s}{s}=\cfrac{\sqrt{Area}}{\sqrt{Area}}=\cfrac{\sqrt[3]{Volume}}{\sqrt[3]{Volume}} \\\\[-0.35em] \rule{34em}{0.25pt}

\bf \cfrac{s}{s}=\cfrac{\sqrt[3]{8}}{\sqrt[3]{125}}\implies \cfrac{s}{s}=\cfrac{2}{5}\qquad \leftarrow \textit{ratio of the sides or scale factor}

8 0
3 years ago
Sylvia took three times in a video game she scored -120 points during her first turn 320 points in her second time and -80 point
sp2606 [1]
Her average score for the 3 turns is 40 because you have to add all of the scores so -80 and -120 is -200 so add that to 320 and you get 120 divide that by 3 because she took 3 turns and you get 40
3 0
3 years ago
23/5 as a whole number or mixed number in simplest form and 12/4 whole and mixed numbers and in simplest form 36/6 in whole or m
iren2701 [21]

23/5 = 4  3/5

12/4 = 3

36/6 =6

29/6 = 4 5/6

47/8 =5 7/8

5 0
4 years ago
Read 2 more answers
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