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d1i1m1o1n [39]
3 years ago
8

What is the value of the ratio of the surface area to the volume of the cylinder?

Mathematics
1 answer:
Stella [2.4K]3 years ago
5 0

Answer:

Cylinder Surface Area = (2 • π • r²) + (2 • π • r • height)

Surface Area = (2 * PI * 7^2) + (2*PI*7*22)

Surface Area = 307.8760800518 + 967.6105373057

Surface Area = 1,275.4866173575 Square Inches

Cylinder Volume   =   π • r² • height

Volume = PI * 7^2 * 22

Volume = 3,386.6368805698 Cubic Inches

Surface Area to Volume = 1,275.4866173575 / 3,386.6368805698 =

0.3766233766

Answer is A

Source: https://www.1728.org/diam.htm

Step-by-step explanation:

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4)Jane has a bag of marbles. In the bag there are 4 red marbles, 8 blue marbles and 5 green
Llana [10]

Answer: There is 17 marbles

Step-by-step explanation:

A: 4+8+5=17

B: 8

C: It has more marbles than the others.

5 0
3 years ago
chris works as an electrician with the central electric company. he earns $16.25 per hour with time and a half after 40 hours. i
guajiro [1.7K]
($16.25×40)+($16.25×1.5×3)= $650 + 73.13 = $723.13
*regular hrs    *overtime hrs
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7 0
3 years ago
Write these numbers in order starting with the smallest 2.303,2.3,2.33,2.03
Law Incorporation [45]
2.03, 2.3, 2.303, 2.33
6 0
3 years ago
Read 2 more answers
Convert 17.42 m to customary units. A.57'-17/8" B. 36-10 1/2" C. 442 1/2" D. 367/8" E. None of these answers is reasonable.
mars1129 [50]

Answer:

Option E - None of these answers is reasonable.

Step-by-step explanation:

To find : Convert 17.42 m to customary units ?

Solution :

The customary units is defined as the measure length and distances in the customary system are inches, feet, yards, and miles.

The options belong to feet and inches.

We have to convert meter into inches, feet.

Meter into feet,

1 \text{ feet} = 0.3048 \text{ meter}

1 \text{ meter} = \frac{1}{0.3048}\text{ feet}

17.42 \text{ meter} = \frac{17.42}{0.3048}\text{ feet}

17.42 \text{ meter} = \frac{174200}{3048}\text{ feet}

17.42 \text{ meter} =57 \frac{464}{3048}\text{ feet}

17.42 \text{ meter} =57 \frac{58}{381}\text{ feet}

Now, Feet into inches

1 \text{ feet} = 12\text{ inches}

\frac{58}{381} \text{ feet} = 12\times \frac{58}{381}\text{ inches}

\frac{58}{381} \text{ feet} =\frac{232}{381}\text{ inches}

i.e.  17.42 \text{ meter} =57\text{ feet }\frac{232}{381}\text{ inches}

or 17.42 \text{ meter} =57'\frac{232}{381}''

None of these answers is reasonable.

Therefore, Option E is correct.

5 0
3 years ago
∠A and ∠B are complementary angles.
iogann1982 [59]
Cos 52 = 0.6157

sin 42 = cos 48 = 2/3     (because 42 + 38 = 90 - complementary angles)

if tan 20,5 = 3/8 then  tan 69.5 wil =  1 / 3/8  = 8/3

3 0
3 years ago
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