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Andrej [43]
3 years ago
10

A box contains 10 genuine pearls and 5 artificial pearls. If you pick 3 pearls at random from the box. What is the probability t

hat you will get at least one genuine pearl?
Mathematics
1 answer:
Ivenika [448]3 years ago
8 0
1/5th you take total amount over amount drawn
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A number y is rounded to 2 decimal places
Yakvenalex [24]
Y can be rounded up to 1.51 from a minimum value of 1.505
This is the lower bound.

y can be rounded down to 1.51 from a maximum value of 1.515
this is the upper bound.

y is between the lower bound and the upper bound so y is between 1.505 and 1.515

This is shown as 1.595<=y<1.515

<= is the typed out version of (greater than/equal to) which is < with a line under it.
3 0
3 years ago
Three consecutive even integers such that 12 less than three times the largest is equal to 96 more than the sum of the first and
Marat540 [252]
<span>Let n, n+2, and n+4 represent the three consecutive even integers.

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8 0
3 years ago
A student takes ten exams during a semester and receives the following grades: 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67. Find
den301095 [7]
Formula: Minimum = first element of set First Quartile = (n+1)/4 Median = (n+1)/2 Third Quartile = 3(n+1)/4 Maximum = Last element of set. Solution:<span> The five number summary of ( 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67) is, Minimum = 58 First Quartile = 70 Median: = 83.5 Third Quartile = 90 Maximum = 102</span>
8 0
3 years ago
Read 2 more answers
Solve for x to the nearest degree.
Archy [21]

Answer:

71

Step-by-step explanation:

The square represents 90 degrees.

A triangle’s three angles ALWAYS adds up 180.

To find the missing angle:

180 - 90 = 90

90 - 19 = 71.

Therefore, the answer is 71

6 0
2 years ago
Please help<br><br> -3/4(8n + 12) = 3(n-3)
Dennis_Churaev [7]

Step-by-step explanation:

-  \frac{3}{4} (8n + 12) = 3(n - 3)

- 3(8n + 12) = 12(n - 3)

\cancel{- 3}(8n + 12) =  \cancel{12}(n - 3)

- (8n + 12) = 4(n - 3)

- 8n - 12 = 4n - 12

- 8n - 4n =  - 12 + 12

- 12n = 0

n = 0

8 0
3 years ago
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