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Vinil7 [7]
3 years ago
9

A bag contains 3 red marbles, 5 blue marbles, and 4 green marbles if three marbles are drawn out of the bag what is the exact pr

obability that all three marbles drawn will be blue?
Mathematics
1 answer:
KiRa [710]3 years ago
4 0

Answer:

3 + 5 +4 = 12

3/12

= 1/4

Step-by-step explanation:

1. add the marbles together

2. divide the number of marbles drawn out by the total number of marbles.

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I need help ASAP!!
Studentka2010 [4]

Answer:

  D.  (x-5)^2 = 36

Step-by-step explanation:

If you add 11 to the given equation, you get ...

  x^2 -10x = 11

Then you can add the square of half the x-coefficient to complete the square.

  x^2 -10x +25 = 11 +25

  (x -5)^2 = 36 . . . . simplify to the appropriate form

5 0
3 years ago
For one Geometry test, Nancy correctly answered 18 questions. These correct answers gave her a percent score of 72%. In total, h
Brrunno [24]

Answer:

25 questions.

Step-by-step explanation:

Correct answer = 18

The percent score of the correct answers is 72%.

Let there are x questions in the test. So,

According to the given condition,

72\%\ of\ x=18\\\\\dfrac{72}{100}x=18\\\\x=\dfrac{18\times 100}{72}\\\\x=25

Hence, there were 25 questions in the geometry test.

4 0
3 years ago
A pair of $195 boots are discounted 40% If the boots are reduced in price by an additional 66 2/3% what will the discount price
UNO [17]
First, find the 40% discount.
40% of 195 is 78
195 x 0.40 = 78
Subtract that from 195
195 - 78 = 117
Now, find 66 2/3% of 117, since it is an additional reduction after the original discount.
2/3 = 0.667, so 66 2/3% is 66.667%
117 x 0.66667 = 78.00039
And subtract that from 117
117 - 78.00039 = 38.99961, which in dollars would be $38.99. (hundredths, etc. of a cent are usually just dropped; no rounding involved.)
The discount price would then be $38.99

4 0
3 years ago
Read 2 more answers
What is the volume of this cube? Enter your answer as a number only; no units.
muminat

Answer:

.125

Step-by-step explanation:

The volume of a cube is found by

V = s^3  where s is the side length

V = .5 ^3

V =.125 m^3

3 0
3 years ago
Read 2 more answers
Libbie can buy a package of 50 disks for $14.50. What would be the cost of one disks
Flauer [41]

Answer:

0.29

Step-by-step explanation:

14.50 \div 50 =0.29

7 0
3 years ago
Read 2 more answers
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