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aleksklad [387]
3 years ago
10

10 pink cards, 10 blue cards, and 10 yellow cards, each color-set labeled 1-10, are placed in a bucket. What is the probability

that you get all yellow cards when picking out 5 different cards?
Mathematics
1 answer:
icang [17]3 years ago
8 0

Answer:

0.00176

Step-by-step explanation:

Probability = 10/30 × 9/29 × 8/28 × 7/27 × 6/26

= 56/31668

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Pls help me answer this
igor_vitrenko [27]

Answer: 30 cm

Step-by-step explanation:

The volume of the composite solid is 17000 cm³. To find h, we must first subtract the volume of the half cylinder from the composite volume.

From the figure, AE = MK, and so the radius of the half cylinder is 10cm. The volume of the half cylinder is thus \frac{1}{2} the volume of a cylinder. The volume of a cylinder is πr²h. So a half cylinder is 1/2 πr²h. This gives us a volume of  \frac{1}{2} (\frac{22}{7})(10 cm)^2(28 cm) = 4400 cm^3.

Thus, the volume of the right prism is 17000cm³ - 4400cm³ = 12600cm³. Consider the cross-section ABKJ. If we multiply this by AE, we'll have the volume of the right prism.

The ABKJ is a trapezoid so it's area is \frac{1}{2}(AJ + BK) \cdot AB. Thus the volume of the right prism is \frac{1}{2}(AJ + BK) \cdot AB \cdot AE. This gives us \frac{1}{2}(28 + 14) \cdot h \cdot 20 = 12600, and thus h = 30 cm.

3 0
1 year ago
At the sixth grade school dance there are are 132 boys 89 girls and 14 adults
yuradex [85]

Um what is the question???


4 0
3 years ago
Read 2 more answers
Determine the XNY intercepts of the graph of X+2y=-4
podryga [215]

Answer:

x intercepts (-4,0)

y intercepts (0, -2)

4 0
3 years ago
I understand the switching of positive and negative signs but I don’t understand how to get to the next step which is the answer
Finger [1]
2ab - 3a = a.(2b-3)

now the same thing

let's say n=1

a.(2b-3) + n.(2b-3) = (2b-3).(a+n)

Understood?

6 0
3 years ago
Combine any like terms in the expression. If there are no like terms, rewrite the expression.
inn [45]
Good news: they are all like terms
9x + 5x -3x -8x = 3x
6 0
2 years ago
Read 2 more answers
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