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Marizza181 [45]
3 years ago
13

Find the surface area of this cylinder.Round to the nearest tenth.​

Mathematics
1 answer:
iren2701 [21]3 years ago
4 0

Answer:

282.7

Step-by-step explanation:

surface area of cylinder = 2πR² + 2πRh

R = 3 cm

h = 12 cm

surface area of cylinder = 2π*3² + 2π*3*12 = 90π ≈ 90*3.14 ≈ 282.7 (cm²)

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Andrej [43]

Answer:

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2 years ago
4 of 4
Vlada [557]

Answer:

£30

Step-by-step explanation:

Let Brian initially had money in his wallet = £x

and Colin had the money = £y

Since ratio of money in Brian's wallet to Colin's wallet was 5 : 1

Therefore,  

⇒ x = 5y -------(1)

Brian spent £27 that day, so money left with him = £(x - 27)

After spending the money Brian had £3 less than Colin.

(x - 27) = (y - 3)

x = y + 27 - 3

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Now we equate the equations (1) and (2) for the value of x,

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From equation (2),

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Therefore, Brian initially had £30.

i hope this helps

3 0
3 years ago
Consider a t distribution with 24 degrees of freedom. Compute P(-1.27˂t˂1.27) . Round your answer to at least three decimal plac
DENIUS [597]

Answer:

Step-by-step explanation:

  1. <em>Use the calculator provided to solve the following problems. </em>
  2. <em> </em>
  3. <em>Consider a t distribution with 24 degrees of freedom. Compute P(-1.27˂t˂1.27) . Round your answer to at least three decimal places. </em>
  4. <em> </em>
  5. <em>Consider a t distribution with 5 degrees of freedom. Find the value of c such that P(t≤c)=0.05 . Round your answer to at least three decimal places.</em>
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A graph shows ...

... absolute minimum: 5, at x=-1 and x=1

... absolute maximum: 8, at x=2

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