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3 years ago

Find the maximum and minimum values of the function. Y=-cos8x

Mathematics

1 answer:

natka813 [3]3 years ago

8 0

Answer:

Step-by-step explanation:

Given a sinusoidal function (sine function or cos function) in the form

y = A Cos (Bx), we can say that A is the amplitude.

Amplitude defines the function's maximum and minimum.

The maximum of this form of function is A and the minimum is -A.

The function given is y = -Cos(8x), so A is -1

Thus, maximum value is 1 and minimum value is -1.

Correct answer is A

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Which score is better in terms of percentages: 12 out of 15 or 23 out of 26?

Ksenya-84 [330]

Answer:

23/26 is a greater percentage, it equals around 88% while 12/15 equals 80%

Step-by-step explanation:

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3 years ago

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Maksim231197 [3]

Answer:

Hi there!

Your answer is:

A) -2

Step-by-step explanation:

f(-8) means to plug in -8 for x!

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3 years ago

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This soda can is going to be made from aluminum. How many square centimeters of aluminum are needed if the radius r = 3.5 cm and

kari74 [83]

208.81 square centimeters of aluminium are needed

Solution:

Given that,

Radius = 3.5 cm

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We have to find the square centimeters of aluminum needed

So we have to find the surface area of cylinder

The surface area of cylinder is given by formula:

$A = 2 \pi r(h+r)$

Where "r" is the radius and "h" is the height of cylinder

Substituting the values we get,

$A = 2 \times 3.14 \times 3.5 \times (6+3.5)\\\\A = 21.98 \times 9.5\\\\A = 208.81$

Thus 208.81 square centimeters of aluminium are needed

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3 years ago

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LekaFEV [45]

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Vlada [557]

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4 years ago