3 years ago

Anyone good at math Surface area with Diameter and height on a cylinder?

Mathematics

1 answer:

MariettaO [177]3 years ago

4 0

If the cylinder is closed at both ends the formula is

πdh + 2π(d/2)^2 where h = height and d = diameter

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A flute case is shaped like a rectangular prism. The caseis 5inches tall, 3 inches wide, and has a volume of 255 cubic inches

Anna [14]

Answer:

The length of the case is 17 inches.

Step-by-step explanation:

A flute case is shaped like a rectangular prism with dimensions:

height = 5 inches;
width = 3 inches;
length = x inches.

The volume of the case is 255 cubic inches.

Use formula for the volume of the rectangular prism:

$\text{Volume}=\text{Width}\times \text{Length}\times \text{Height}$

Thus,

$255=5\cdot x\cdot 3\\ \\255=15x\\ \\x=\dfrac{255}{15}=17$

The length of the case is 17 inches.

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3 years ago

When Sally went bowling her scores were 108, 72, and 95. If she bowls her 4th game, what will her score need to be to give her a

Advocard [28]

89

91*4 = 364

108+72+95=275

364-275=89

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3 years ago

1 divided by root6 - root11 + root5. urgent

vodomira [7]

1/√6 - √11 + √5

LCM = √6

(1 - (√6)*(√11) + (√5)*(√6) ) / √6

(1 - √(6*11) + √(5*6) )/ √6

Rationalize the surd by multiplying top and bottom by √6

((1 - √(6*11) + √(5*6) )/ √6) * (√6/√6)

(√6 - √(6*6*11) + √(5*6*6)) / √6

(√6 - 6√(11) + 6√(5)) / 6

So answer is:

(√6 - 6√11 + 6√5) / 6

3 0

4 years ago

The expression was rewritten using the ( blank?) <br> i’m so confused pls help

RSB [31]

I am solving the equation in simplest way

Line:-1

$\\ \tt\bull\longmapsto 9.(7+1)$