3 years ago

PLEASE HELP ME!!!!!!!!!

Mathematics

1 answer:

Genrish500 [490]3 years ago

7 0

Develop a passion for learning. If you do, you will never cease to grow.

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The 8 foot diameter circular table has a 4 foot wide extension. What is the total area with the extension? How does the area com

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Answer: the total area with the extension S≈82,3 foot², S>S'.

Step-by-step explanation:

D₁=8 foot D₂=10 foot a wide extension = 4 foot.

1) Let the total area with the extension S is the area of the circular table S₁

plus a wide extension S₂.

Considere S₁:

$R_1=\frac{D_1}{2} \\R_1=\frac{8}{2} \\R_1=4 foot.\\S_1=\pi* R_1^2\\S_1=\pi *4^2\\S_1=16*\pi \\S_1\approx50,3\ foot^2.\\$

$S_2=8*4\\S_2=32 \ foot^2.$

$S\approx50,3+32\\S\approx82,3 \ foot^2.$

2)\ Considere S':

$R_2=\frac{D_2}{2} \\R_2=\frac{10}{2} \\R_2=5 \ foot.\\S'=\pi *R^2\\S'=\pi *5^2\\S'=25*\pi \\S'\approx78,5\ foot^2.$

S>S'.

Good luck an' have a nice day!

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2 years ago

??? Anyone I need help

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Answer b

Because -2-5 adds -5 to it equals -7

If you have any questions about answer just ask

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A teacher surveys a sample of students from Lake Middle School. He asks the students where they’d like to go for a field trip. H

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210 student's

Step-by-step explanation:

80 students chose the aquarium.

60 students chose the science center.

30 students chose the planetarium.

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The students can't vote for more than one place, so you just add all the numbers together.

80 + 60 + 30 + 40 = 210 students

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