A cylinder with a volume of 45 cubic inches has a radius of three inches

Mathematics

2 answers:

Rudik [331]2 years ago

7 0

Answer:The height of cylinder = 7 inches

Step-by-step explanation:

horrorfan [7]2 years ago

5 0

Answer:

its 7 inches hope this works

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alexandr402 [8]

Answer: 1.5

Step-by-step explanation: Reverse the equation to get the answer.

-13 divided by 2 is -6.5

add 8 and you'll get 1.5

7 0

2 years ago

What is the equation of the quadratic graph with a focus of (8, −8) and a directrix of y = −6?

yarga [219]

The vertex is exactly half way between directrix and focus. In this case the vertex is (8,-7)
(h,k)

P is the distance between the vertex and either the directrix or focus, in this case p = 1.

a = 1/(4p) or 1/(4*1) or 1/4

write the equation in vertex form

y = a(x-h)^2 + k

y = 1/4(x-8)^2 -7

4 0

2 years ago

For a group of 100 people, compute(a) the expected number of days of the year that are birthdays of exactly 3 people.(b) the exp

Scilla [17]

Answer:

Step-by-step explanation:

Leaving leap years, a year contains 365 days.

For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of

$\frac{1}{365}$