4 years ago

Will give brainliest, rating, and thanks! <3

1 answer:

5 0

It is misleading because the points on the x-axis are not in the same unit. The years should be numbered the same units.(:

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andre [41]

Answer:

Step-by-step explanation:

circumference of circle=2πr

=2*π*9

=18π m

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3 years ago

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Please help! it’s urgent, can you please identify the answers that are inscribed?

nekit [7.7K]

Answer:

BCE and CED (first and last options on the list)

Step-by-step explanation:

Recall that an inscribed angle, by definition has to have its points sitting on the circumference of the circle.

Therefore, from the angles shown, those that contain the point "G" (which is NOT on the circle's circumference) will not be inscribed angles.

Those which are inscribed angles from the list are:

BCE and CED (first and last options on the list)

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3 years ago

a student either knows the answer or guesses. Let 3434 be the probability that he knows the answer and 1414 be the probability t

Arlecino [84]

Answer: $\dfrac{12}{13}$

Step-by-step explanation:

Let A = he known the answer then A' = he guess the answer.

B = he answered it correctly

As per given , we have

$P(A)=\dfrac{3}{4}\ \ ,\ \ P(A')=\dfrac{1}{4}$

$P(B|A)=1$

$P(B|A')=\dfrac{1}{4}$

By Bayes theorem , we have

$P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(B|A')P(A')}\\\\ P(A|B)=\dfrac{1\times\dfrac{3}{4}}{1\times\dfrac{3}{4}+\dfrac{1}{4}\times\dfrac{1}{4}}\\\\= \dfrac{12}{13}$

The probability that the student knows the answer given that he answered it correctly is $\dfrac{12}{13}$ .

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3 years ago

Flee, Fin, and Fliffers are 3 rabbits for sale in a pet store. Combined they represent 30% of the total number of rabbits for sa

BabaBlast [244]

There are a total of 3 rabbits for sale... Flee, Fin, and Fliffers

6 0

3 years ago

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How many constants are in the following expression?<br> 7x + 4y - 5 + 4x Help

ad-work [718]

Answer:

Step-by-step explanation:

-5 is a constant because its a number on its own without a variable

3 0

3 years ago

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