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3 years ago

Given f(x) = x^2 + kx -15, and the remainder when f(x) is divided by x-2 is -23, then what is the value of k?

Mathematics

1 answer:

Tasya [4]3 years ago

5 0

Answer:

k=-6

Step-by-step explanation:

f(2)=-23, 4+2k-15=-23. 2k=-12. K=-6

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Step-by-step explanation:

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3 years ago

Find the volume of the cylinder if the height is 3 mm and the diameter is 40 mm. Leave the answer in terms of it.

KiRa [710]

The Volume of cylinder is 3770 cubic millimeters

But, the correct option is not available in options given.

Step-by-step explanation:

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$Volume = \pi r^2h$

Putting values in the formula:

Since we need radius,

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radius = 40/2

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So,

$Volume = \pi r^2h\\Volume = 3.14*(20)^2*3\\Volume = 3.14*400*3\\Volume= 3769.91 or \,\,\,Volume\approx 3770\,\,cubic\,\,millimeters$

The Volume of cylinder is 3770 cubic millimeters

But, the correct option is not available in options given.

Keywords: Volume of cylinder

Learn more about Volume of cylinder at:

#learnwithBrainly

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3 years ago

Use distributive property to write the expression withoit parenthesis: 3(7x+4)

zalisa [80]

Answer:

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Step-by-step explanation:

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