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Kipish [7]
2 years ago
15

Circumference of the circle

Mathematics
2 answers:
Alja [10]2 years ago
8 0

Answer:

37 5/7

Step-by-step explanation:

use formular it will be 2pie -22/7 ×radius

since we have been given only radius it will be

2×22/7×6=37 5/7

liraira [26]2 years ago
5 0

\qquad\qquad\huge\underline{{\sf Answer}}♨

Let's find the circumference of given circle ~

Circumference :

\qquad \tt  \dashrightarrow \:  2\pi{r}^{}

where, r = radius

Now, let's calculate it ~

\qquad \tt  \dashrightarrow \:  c = 2×\pi{}^{}×6

\qquad \tt  \dashrightarrow \:  c =  12\pi\:  \: m

That's the answer I terms of π, but we can also plug in the approximate value of pi as 3.14

\qquad \tt  \dashrightarrow \:  c = 12 \times 3.14{}^{}

\qquad \tt  \dashrightarrow \:  c =  37.68\:  \: m

\qquad \tt  \dashrightarrow \:  c \approx 37.7\:  \: m

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What is the answer to 5.09x15
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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 419 gram setting. It is
Dahasolnce [82]

Answer:

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

There is sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given the mean of the Population(μ)  = 419 grams

The sample size 'n' =19

Given mean of the sample x⁻ = 412

Given variance of the sample S² = 784

                                                 S = √784 = 28

<u><em>Step(ii)</em></u>:-

<u><em>Null hypothesis: H₀</em></u>: There is no sufficient evidence to support the claim that the bags are underfilled.

<u><em>Alternative hypothesis: H₁:</em></u>

There is sufficient evidence to support the claim that the bags are underfilled.

Test statistic

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

                    t = \frac{412 -419}{\frac{28}{\sqrt{19} } }

                   t = -1.09

                 |t| = |-1.09|

<em>Degrees of freedom   ν = n-1 = 19-1 =18</em>

<em>t₀.₀₂₅ =  3.19</em>

<u><em>Final answer:</em></u><em>-</em>

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

There is sufficient evidence to support the claim that the bags are underfilled

                   

8 0
3 years ago
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