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just olya [345]
3 years ago
9

A bag contains 7 red marbles, 3 blue marbles and 6 green marbles. If two

Mathematics
1 answer:
natima [27]3 years ago
7 0

Answer:

42%

Step-by-step explanation:

figure probability of the first:

7+6+3=16

7/16=0.44

figure probability of the second:

6/15=0.40

find the average:

0.44+0.4=0.84

0.84/2=0.42

convert from decimal to fraction:

42%!

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Even more easy questions
goldenfox [79]

Answer:

In the first box, the fraction is 1 and 1/4. In the second box, the fraction is 2 and 3/4. In the third box, the fraction is 3 and 3/4.


Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
How does the definition of PERCENT help you write fraction and decimals equivalents?
nasty-shy [4]
By definition we have to:
 The percentage is a mathematical symbol, which represents a given quantity as a fraction in 100 equal parts. It is also commonly called percent where percent means "out of every hundred units."
 We have then that using the definition we can apply the following formula to obtain a fraction or a decimal:
 \frac{A}{100}
 Where,
 A: amount in percentage
 Answer:
 
you can write fraction and decimals equivalents using the expression:
 
\frac{A}{100}
4 0
3 years ago
Read 2 more answers
A hiker starts hiking at the beginning of a trail at a point which is 200 feet below sea level. He hikes to a location on the tr
Maurinko [17]
780 feet because 200 feet below sea level means -200 and 580 feet above sea level mean +580 so if you add 580 and the 200 you get the distance between the two points.
4 0
4 years ago
Which equation represents this situation?
aalyn [17]

Answer:

dirk =13.25 hours

charlie =11 75 hours

Step-by-step explanation:

c+d=25------(1)

d-1.5=c-----(2)

from (1),

c+d=25

c=25-d-----(3)

substitude (3) into (2)

d-1.5=c

d-1.5=25-d

2d=26.5

d=13.25

if d=13.25 hours

c+d=25

c+13.25=25

c=25-13.25

c=11.75

7 0
4 years ago
I find a place that will give me a 20% discount if i spend over $50 . My bill is $75. What is my final bill after the saving
Vesnalui [34]
You multiply 75 by 0.8 because that is the percentage of the price you pay after 20% is taken

final answer is $60
8 0
3 years ago
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