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jeka57 [31]
3 years ago
6

Find the following, giving your answers to 1 decimal place. 10 cm 8 cm 6 cm a) The volume of the cone. b) The curved surface are

a of the cone.
Mathematics
1 answer:
sesenic [268]3 years ago
3 0

Answer:

Volume of cone = 209.44 cm²

Curved surface area of cone = 188.57 cm

Step-by-step explanation:

Given:

Height h = 8 cm

Slant height l = 10 cm

Radius r = 6 cm

Find:

Volume of cone

Curved surface area of cone

Computation:

Volume of cone = (1/3)πr²h

Volume of cone = (1/3)π(5)²(8)

Volume of cone = 209.44 cm²

Curved surface area of cone = πrl

Curved surface area of cone = π(6)(10)

Curved surface area of cone = 188.57 cm

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Answer:

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Step-by-step explanation:

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A chemist is using 362 milliliters of a solution of acid and water. If 12.1% of the solution is acid, how many milliliters of ac
PSYCHO15rus [73]

Answer:

The answer to your question is 43.8 mL of acid.

Step-by-step explanation:

Data

Total volume = 362 ml

12.1 % is acid

The Volume of acid = ?

Process

1.- Use the rule of three and cross multiplication to solve this problem.

               362 ml ------------------- 100%

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                    x = (12.1 x 362) / 100

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2.- Round your answer to the nearest tenth.

                        43.802   only consider the first decimal

                        43.8 mL

3.- Conclusion

    A 12.1% solution of acid has 43.8 mL of acid.

6 0
3 years ago
Read 2 more answers
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Drupady [299]
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Step-by-step explanation:

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