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Nimfa-mama [501]
3 years ago
14

How do you find the volume of a cylinder

Mathematics
1 answer:
max2010maxim [7]3 years ago
6 0
V=pi r2.h
Basically you find your radius and height
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Which table shows a proportional relationship between a and b? a b 3 9 4 12 5 20 a b 20 25 24 30 32 40 a b 4 12 5 15 6 24 a b 3
umka21 [38]
When the second number is divided by the first, the result is ...

First table
   9/3 = 3
   12/4 = 3
   20/5 = 4 . . . . result is not consistent. NOT a proportional relationship

Second table
   25/20 = 1.25
   30/24 = 1.25
   40/32 = 1.25 . . . . result is consistent. A PROPORTIONAL RELATIONSHIP

Third table
   12/4 = 3
   15/5 = 3
   24/6 = 4 . . . . result is not consistent. NOT a proportional relationship

Fourth table
   4/3 ≈ 1.33
   9/6 = 1.5
   16/12 ≈ 1.33 . . . . result is not consistent. NOT a proportional relationship
8 0
3 years ago
The cost of a daily newspaper varies from city to city. However, the variation among prices remains steady with a standard devia
My name is Ann [436]

Answer:

|t| =|-0.96|=0.96< 2.718

since calculated' t' value is less than tabulated value 't'.

we accept null hypothesis at 1 % level of significance.

The data support the claim that the mean cost of a daily news paper is  $1.00

Step-by-step explanation:

<u>Step:-(1)</u>

Given the sample size n = 12

Given Twelve costs yield a mean cost of $0.95 with a standard deviation of $0.18

mean of the sample(x⁻) = $0.95

Standard deviation of sample (S) = $0.18

Given claim that the mean cost of a daily newspaper is $1.00.

The mean of the population 'μ' =  $1.00.

<u>Null hypothesis:</u>-H₀:'μ' =  $1.00.

<u>Alternative hypothesis</u>: H₁:'μ' ≠  $1.00.

<u>level of significance ∝ = 0.01</u>

<u>Step2:-</u>

<u>The test statistic </u>

t = \frac{x^{-}-u_{0}  }{\frac{S}{\sqrt{n} } }

t = \frac{0.95-1 }{\frac{0.18}{\sqrt{12} } }

on calculation, we get

t = -0.96

|t| =|-0.96|=0.96

Degrees of freedom γ = n-1 = 12-1 =11

tₐ =  2.718

Calculated value t = 0.96

Tabulated value t at 0.01 level for 11 degrees for two tailed test = 2.718

since calculated' t' value is less than tabulated value 't'.

<u>conclusion</u>:-

<u>we accept null hypothesis at 1 % level of significance.</u>

<u>The data support the claim that the mean cost of a daily news paper is  $1.00</u>

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3 years ago
Help me with my khan academy!
NikAS [45]

Answer:

the answer will be a because its on top of it

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the answer is m< AGD= 70
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