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mafiozo [28]
3 years ago
12

What is the surface area of the cone below with radius 9 cm and height 12 cm?

Mathematics
1 answer:
V125BC [204]3 years ago
4 0

Answer:

A≈678.58cm²

Step-by-step explanation:

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Help please with work
Dmitrij [34]

Answer:

200.96 ft²

Step-by-step explanation:

The question is on surface area of a closed cylinder

Formulae= SA=2 ×pi× r² + 2×pi×r×h

Where pi=3.14

SA= 2×3.14×2² + 2×3.14×2×14

SA=25.12+175.84

SA=200.96 ft²

4 0
3 years ago
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Vanyuwa [196]

Answer:

h= -6

Step-by-step explanation:

-8-h=2(-.5h+4)

-8-h=h+4

-2h=12

h=-6

3 0
3 years ago
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Verizon [17]
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2 years ago
5x+15y=75 WRITE Equation in Standard Form
sergeinik [125]

Answer:

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Step-by-step explanation:

-5x15y=-5x+75

6 0
2 years ago
Ari decides to run 8.5 kilometers this weekend. He jogs 8.9 laps around the running track on Saturday. How many more kilometers
Eduardwww [97]

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Step-by-step explanation:

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