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shutvik [7]
2 years ago
8

Find the volume of the solid whose base is the unit circle, and whose cross-sections perpendicular to the x-axis are rectangles

whose bases (on the xy-plane) are three times smaller than their heights
Mathematics
1 answer:
joja [24]2 years ago
7 0

The volume of the solid (cylinder) is 6π unit³,

<h3>Volume</h3>

The volume of an object is the amount of space occupied by a three dimensional object.

A solid with a circular base and a vertical cross section is a cylinder.

Therefore the solid shown in the problem above is a cylinder.

A unit circle has a radius of 1, hence the radius of the cylinder = 1 unit, diameter = 2 * radius = 2 * 1 = 2 unit

Height of cylinder = 3 * diameter = 3 * 2 = 6 unit

Volume of cylinder = π * radius² * height = π * 1² * 6 = 6π unit³

The volume of the solid (cylinder) is 6π unit³.

Find out more on Volume at: brainly.com/question/1972490

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For f(x+h) - \dfrac{f(x)}{h} reading the fraction like f(x)/h only (f(x+h) start fraction f(x) / h end fraction), the answer is -x^2/y + x^2 + 2x + y + y^2 - 1/y + 1

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3 years ago
The spinner is equally likely to land on any of the six sections. a spinner contains 6 equal sections: 1, 2, 3, 4, 5, 6. section
tangare [24]

The probability that the spinner will land on a number greater than 4 or on a shaded section is five-sixt

<h3>What is probability?</h3>

Probability is the likelihood or chance that an event will occur. Mathematically;

Probability = Expected/Total

If the spinner is spinned, the total outcome is 1/6

Pr(greater than 4) = 2/6 = 1/3

Pr(shaded section) = 3/6 = 1/2

Pr(number greater than 4 or on a shaded section) = 1/3 + 1/2
Pr(number greater than 4 or on a shaded section)  = 5/6

Hence the probability that the spinner will land on a number greater than 4 or on a shaded section is five-sixths

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5 0
2 years ago
One-fourth of the sum of 6 and 2 times cis 3​
lidiya [134]
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3 years ago
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Which expression will produce an answer with the fewest significant figures?
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5 0
3 years ago
2. A man buys eggs at 55kobo a score . he finds that 10% of the eggs are unsellable but sells the rest at 60kobo a dozen .find i
liubo4ka [24]

Answer:

Percentage Profit is 63.63%

Step-by-step explanation:

The man buys 440 eggs at 55 pence a score

i.e. he buys 20 eggs for 55 pence

He buys 1 egg for 55/20 = 2.75 pence

Therefore, he buys 440 eggs for = 440 × 2.75 = 1210 pence

10% eggs are unsaleable

thus he sold = 440 - 440 × 10/100 = 440 - 44 = 396 eggs

Eggs sold in dozen = 396/12 = 33

He sold 1 dozen for = 60 pence

Thus, he sold 33 dozen for = 33 × 60 = 1980 pence

Profit = 1980 - 1210 = 770 pence

% Profit = (770/1210) × 100 = 63.63%

(hope this helps can i plz have brainlist :D hehe)

3 0
3 years ago
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