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Schach [20]
3 years ago
14

How do you find the surface area of a cylinder with

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
7 0

Answer:

2111.15

Step-by-step explanation:

A=2π*r*h+2π*r^2

You plug in your height and radius into the formula for surface area of cylinder

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Here is an expression<br> 3x2t <br> if the value of the expression is 96, what is t?
ICE Princess25 [194]
96 is= 6 that’s the answerrrrr
3 0
3 years ago
Please try this, it's a basic proof that I don't know how to do. Thanks!
avanturin [10]
A cube, is made off 6 squarial faces, so all faces on that cube, are squares, the front, back, left, right, top and bottom.

a square has all equal sides, and also all right angles, so all angles in a square are 90°.  Let's say the sides are "x" long.

now, if we run a plane on that cube diagonally, check the picture below, the diagonal side at the bottom, by usin the 45-45-90 rule as you see it there, will be x√2.

let's keep in mind that, "x" is opposite side of that angle θ, and then x√2 will be the adjacent side of it.

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7 0
3 years ago
Please Solve<br><br> 6(x + 4) = 30
lianna [129]

Answer: x=1

Step-by-step explanation: 6x+24=30

6x=6

x=1

6 0
3 years ago
Read 2 more answers
Logan used 12 centimeters of tape to wrap 4 presents. How much tape will Logan need in all if he had wrap 8 presents? Assume the
inn [45]

Answer:

24 centimeters

Step-by-step explanation:

6 0
3 years ago
The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and
Olin [163]

Answer:

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 49 minutes

Standard Deviation, σ = 16 minutes

We are given that the distribution of  time an individual reads is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(no more than 30 minutes)

P( x \leq 610) = P( z \leq \displaystyle\frac{30 - 49}{16}) = P(z \leq -1.1875)

Calculation the value from standard normal z table, we have,  

P(x \leq 30) = 0.118 = 11.8\%

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

3 0
3 years ago
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