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Marina CMI [18]
3 years ago
11

Please answer this question for 23 points !! :D

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

\dfrac{(4^3-2)\times3\div6+4}{2^5-(3^2\times3)}=\dfrac{(64-2)\times3\div6+4}{32-(9\times3)}=\dfrac{62\times3\div6+4}{32-27}\\\\=\dfrac{186\div6+4}{5}=\dfrac{31+4}{5}=\dfrac{35}{5}=7\\\\Answer:\ \boxed{b.\ 7}

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A researcher uses an anonymous survey to investigate the television-viewing habits of American adolescents. Based on the set of
kow [346]

Answer:

The answer is - sample.

Step-by-step explanation:

Based on the set of 356 surveys that were completed and returned, the researcher finds that these students spend an average of 3.1 hours each day watching television.

For this study, the set of 356 students who returned the surveys is an example of a SAMPLE.

A sample is defined as a small part that shows what the whole population is like.

8 0
3 years ago
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Zinaida [17]
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Free_Kalibri [48]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
SURFACE AREAS - PYRAMIDS?
Bond [772]

The total surface area consists of the base area and the surface area (the area of all lateral faces). The base is a hexagon with side a=3 cm.

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Answer: 119.7 sq. cm.

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