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faltersainse [42]
3 years ago
5

Help me solve this problem attached. Please show steps!

Mathematics
1 answer:
Bond [772]3 years ago
8 0

Answer:

You can combine the fractions by finding a common denominator, or try multiplying numbers to both sides to make some of the variables the same, then go from there

Step-by-step explanation:

hope this helped

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A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Five marbles are drawn from the bag. wha
Charra [1.4K]
To determine the probability that exactly two of the five marbles are blue, we will use the rule of multiplication. 

Let event A = the event that the first marble drawn is blue; and let B = the event that the second marble drawn is blue. 
To start, it is given that there are 50 marbles, 20 of them are blue.  Therefore, P(A) = 20/50
After the first selection, there are 49 marbles left, 19 of them are blue. Therefore, P(A|B) = 19/49
Based on the rule of multiplication:P(A ∩ B) = P(A)*P(A|B)P(A ∩ B) =  (20/50) (19/49)P(A ∩ B) = 380/2450P(A ∩ B) = 38/245 or 15.51%

The probability that there will be two blue marbles among the five drawn marbles is 38/245 or 15.51%

We got the 15.51% by dividing 38 by 245. The quotient will be 0.1551. We then multiplied it by 100% resulting to 15.51%
7 0
3 years ago
Suppose you are given two quadrilaterals, ABCD EFGH. If the similarity ratio of ABCD to EFGH is 4:3, and if EH = 60, find AD.
Sophie [7]
4/3 = AD/EH (similarity)

hence, AD= EH*4/3=60*4/3=80

so, 80
4 0
3 years ago
Pls help meeeeeeeee will give BRAINLIEST
inn [45]

Answer:

It's d) 4r+13b+16

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Read 2 more answers
Select the correct answer. What is the 13th term of this arithmetic sequence? 132, 135, 138, 141, … A. 168 B. 172 C. 176 D. 179
puteri [66]

Answer:

168

Step-by-step explanation:

132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168

5 0
3 years ago
$5.10 x 91 gdgdhfhfh
vampirchik [111]

Answer:

464.1

Step-by-step explanation:

5.1 * 91 = 464.1

6 0
1 year ago
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