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2 years ago

The number of patients treated at Dr. White's dentist office each day for nine days

Mathematics

2 answers:

Leno4ka [110]2 years ago

5 0

Mode:12
mean:13.8
range:15
median:13

Oksi-84 [34.3K]2 years ago

5 0

Answer:

mean= 16+13+15+6+21+20+12+9+12/9

=13.8

median= 13

mode= 12

range= 15

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Answer:

Part 1) The volume of the paperweight is $576\ cm^{3}$

Part 2) The total surface area of the paperweight is $400\ cm^{2}$

Step-by-step explanation:

Part 1) what is the volume of the paperweight?

we know that

The volume of the paperweight is equal to the volume of the square pyramid plus the volume of the cube

step 1

Find the volume of the pyramid

The volume of the pyramid is equal to

$V=\frac{1}{3}BH$

where

B is the area of the square base

H is the height of the pyramid

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substitute

$V=\frac{1}{3}(64)(3)=64\ cm^{3}$

step 2

Find the volume of the cube

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step 3

Find the volume of the paperweight

$64\ cm^{3}+512\ cm^{3}=576\ cm^{3}$

Part 2) what is the total surface area of the paperweight?

we know that

The total surface area of the paperweight is equal to the surface area of 5 faces of the cube plus the lateral area of the pyramid

step 1

Find the surface area of 5 faces of the cube

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step 2

Find the lateral area of the pyramid

$LA=4[\frac{1}{2}bh]$

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step 3

Find the total surface area of the paperweight

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