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icang [17]
3 years ago
8

Find the surface area of a regular pentagonal prism with side length 8, altitude 20, and apothem approximately 5.5.

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Area of all 5 FACES = (Height • Width • Number of Sides)

(Height • Width • Number of Sides) = 20 * 8 * 5 = 800 = Area of all 5 FACES

Area of the 2 BASES = number of sides * side length * apothem

Area of the 2 BASES = 5 * 8 * 5.5 = 220

TOTAL Area = 800 + 220

TOTAL Area = 1,020

Sources

1728.com/volprism.htm

1728.com/polygon.htm

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Sarah bought pencils and markers for school. She bought 3 times as many pencils as markers.
Serhud [2]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
4. (#18) A vine is 1.3 inches long now and it will grow 0.2 inches a day. Identify a rule for the linear function that describes
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The rule for the linear function that describes the length of the vine is L = 1.3 + 0.2d

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<h3>Linear functions</h3>

From the question, we are to determine a linear function that describes the situation

From the given information,

Then vine is 1.3 inches long now

and it grows 0.2 inches a day

∴ After the days, the vine will increase by 0.2d in length

Then,

If L represents the length of the vine, d represent the number of days

The length of the vine after d number of days will be

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Hence, the rule for the linear function that describes the length of the vine is L = 1.3 + 0.2d

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L = 1.3 + 0.2d

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Hence, the number of days it would take the vine to grow to be 10.3 inches long is 45 days

Learn more on Linear function here: brainly.com/question/2408815

#SPJ1

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