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nadya68 [22]
3 years ago
13

A box has colored balls (12 red, 10 green, 6 light blue and 8 yellow). What is the probability of drawing 2 red balls?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
7 0

9514 1404 393

Answer:

  1/14

Step-by-step explanation:

The probability of drawing the first red ball is 10/36, the number of reds divided by the number of balls.

The probability of drawing the second red ball is 9/35, the remaining number of reds divided by the remaining number of balls.

  P(2 red) = (10/36)(9/35) = 1/14

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Evaluate the expression when a= -3 and C = 6 <br><br>8c - a<br><br><br>​
Sav [38]

Answer:

51

Step-by-step explanation:

plug in

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8 0
3 years ago
Read 2 more answers
John used 1 3/4 kg of salt to melt on his sidewalk. He then used another 3 4/5 kg on the driveway. If he originally bought 10 kg
Natali [406]

Answer:

he have left 4.45 kg

Step-by-step explanation:

The computation of he have left is as follows:

= Total salt purchase - salt used on his sidewalk - sales used on the driveway

= 10 - 1 \frac{3}{4} - 3 \frac{4}{5}\\\\= 10 - \frac{7}{4} - \frac{19}{5}\\\\= \frac{200 - 35 -76 }{20}  \\\\= \frac{89}{20}

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4 0
3 years ago
Can someone help me plz
Ivan
Wouldent the answer be A because all percents are out of 100 so the 1.9 would be 9 over 100
6 0
3 years ago
HELP I REALLY NEED HELP ON THIS !
Serjik [45]


4) your last two choices.

5) your second choice.

6) your third choice.

7) your first choice.

8) your third choice.

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7 0
3 years ago
PLEASE HELP I NEED IT TO PASS THIS CLASS
andreyandreev [35.5K]

Answer:

Angle 5 = 37°

Angle 8 = 143°

Step-by-step explanation:

Angle 2 = Angle 8

Reason : Alternate exterior angles are equal.

Therefore,

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4 0
3 years ago
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