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NARA [144]
3 years ago
13

A bag contains 10 marbles: 2 are green, 5 are red, and 3 are blue. Ivan chooses a marble at random, and without putting it back,

chooses another one at random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.
Mathematics
1 answer:
Katarina [22]3 years ago
7 0
Ok if you think about it this way there is a total of ten, and you can turn any color combined with the total to make a fraction so 2/10 5/10 3/10. so at normal theres a 50% chance that ivan is going to pull out a red one, and a 30% chance of him pulling a blue. 6/10 probs or if you want to be technical about it its 60%
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Ilya [14]

Answer:

\boxed{\sf sin\ C =\frac{40}{41}}

Step-by-step explanation:

We need to find out the value of sinC using the given triangle . Here we can see that the sides of the triangle are 40 , 41 and 9 .

We know that the ratio of sine is perpendicular to hypontenuse .

\sf\longrightarrow sin\theta =\dfrac{ perpendicular}{hypontenuse}

Here we can see that the side opposite to angle C is 40 , therefore the perpendicular of the triangle is 40. And the side opposite to 90° angle is 41 . So it's the hypontenuse . On using the ratio of sine ,

\sf\longrightarrow sinC =\dfrac{ p}{h}\\\\\sf\longrightarrow sin\ C =\dfrac{AB}{AC}

Substitute the respective values ,

\sf\longrightarrow \boxed{\blue{\sf sin\ C =\dfrac{40}{41}}}

<u>Hence the required answer is 40/41.</u>

6 0
3 years ago
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Answer:

16, 104, 1000

Step-by-step explanation:

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2 years ago
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Answer:.

Step-by-step explanation:

8 0
2 years ago
Use completing the square to solve the equation x^2 0 10x = 08.
wariber [46]
Ok so assuming the 0 means minus from typing problems

x^2-10x=-8

to completet  the square
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that is correct
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add that to both sides
x^2-10x+25=17


answer is the first equation
4 0
3 years ago
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