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wolverine [178]
3 years ago
14

Sample QnA to Preliminary Exam

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0

Answer:

Bro the work is already completed..

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What is 6 divided by 812
maksim [4K]
6 divided by 812 is very difficult to do without using a calculator - I would suggest the bus shelter method, as I've shown in the photo attached, but it is still quite difficult to use that method without a calculator.

<em>If</em>, however, you mean 812 divided by 6, that is a lot easier to calculate using the bus shelter method - so, just in case, I've attached the method for that too.

6 divided by 812 = 0.007389...

4 0
3 years ago
You have a bag that contains 20 quarters, 20 dimes, and 15 nickels. When randomly selecting two coins with no replacement find t
iogann1982 [59]

Answer:

P(2 quarters) = 19/ (13*16) = 19/208  = 0.0913

Step-by-step explanation:

probability of getting 2 quarters?

ok

first draw:  there are 20 quarters to choose from

second draw: there are 19 quarters left to choose

so Total coins are 65 coins

P(2 quarters) = P( 1st quarter)* P(2nd quarter)

P(2 quarters) =  20/65   *   (19/64)

P(2 quarters) = 4/13 *  19/64

P(2 quarters) = 19/ (13*16) = 19/208

4 0
3 years ago
Someone please tell me the answers to this please I beg you
Wittaler [7]
1) 216
2) 203
3) 315
4) 256
5) 576
6) 440
7 0
3 years ago
which of the following solutions is the most acidic A. a solution is the most acidic B. a solution with pH of 2 C. a solution wi
faust18 [17]

Answer:

to gorvenit means group

7 0
2 years ago
What is volume of cylinder with 7 cm high and 3 cm radius
Alekssandra [29.7K]

Answer:

V≈461.81cm³

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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