3 years ago

Vladimir rolls a six-sided number cube 36 times. If getting a 3 is a success, what is the probability of a success?

Mathematics

1 answer:

grin007 [14]3 years ago

4 0

Answer: 12

Step-by-step explanation:

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Evaluate the following expression when x = 3 and y = 4:

OLEGan [10]

$\dfrac{ {3}^{2} + {4}^{3} }{2 + 3} \\ = \dfrac{9 + 64}{5} \\ = \dfrac{73}{5} \\ = 14.6$

Answer is C.

Hope this helps. - M

3 0

4 years ago

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A bag contains 8 yellow marbles and 7 red marbles. What is the probability of pulling out a yellow marble?

White raven [17]

Answer:

8/15

Step-by-step explanation:

there are 8 yellow marbles and 15 total marbles

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3 years ago

In figure AB and CD bisect each other at O. State the 3 pairs of equal parts in ∆AOC and ∆BOD. Is ∆AOC ≅ ∆BOD? Give reasons

GuDViN [60]

Answer:

SEE EXPLANATION

Step-by-step explanation:

$In\:\triangle AOC \:\&\:\triangle BOD$

$AO \cong OB.... (given)$

$\angle AOC \cong\angle BOD$

$(vertical \: \angle s)$

$CO \cong OD.... (given)$

$\therefore \triangle AOC \:\cong\:\triangle BOD$

$(SAS \: postulate)$

So, the 3 pairs of equal parts in ∆AOC and ∆BOD are:

$AC = BD$

$m\angle OAC = m\angle OBD$

$m\angle OCA = m\angle ODB$

7 0

3 years ago

A bag contains 5 red balls and 6 green balls. You plan to select 2 balls at random. Determine the probability of selecting 2 gre

Umnica [9.8K]

Step-by-step explanation:

first pick has probability

$\frac{6}{11}$

second pick has probability

$\frac{5}{10}$

combined probability is

$\frac{30}{110} = \frac{3}{11}$

7 0

3 years ago

Assume that two chords in a given circle are the same distance from the

Alenkinab [10]

Step-by-step explanation:

If the two chords are congruent, then they must be equidistant from the centre of the circle.

Answer: <u><em>D) They must be perpendicular</em></u>

A is rejected because the chord might not pass through the center of the circle.

B is rejected because the chords are not obligated to be parallel.

C is rejected because it is not compulsory for the chords to be perpendicular.

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3 years ago

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