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ludmilkaskok [199]
3 years ago
14

Can I get help with number 20

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0

Answer:

b

Step-by-step explanation:

bezimeni [28]3 years ago
6 0

Answer:

-5/4

Step-by-step explanation:

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slader How many partitions of the set {1, 2, 3, . . . , 100} are there such that there are exactly three parts and elements 1, 2
My name is Ann [436]

Answer:

3^{97} partitions.

Step-by-step explanation:

As we know if we have x number of elements we can arrange them in x! ways.

here we have 100 elements so we can arrange them in 100! ways.

Now if we have exactly three parts and 1,2 and 3 are in different parts then let consider 1 goes to part 1, 2 goes to part 2, and 3 goes to part 3. For the remaining 97 elements,  we have three options for each element, thus we can arrange the remaining 97 elements in 3^{97} ways/partitions.

each of these partition will contain only three elements.

7 0
3 years ago
One sugar cookie recipe calls for 2 cups of sugar and makes 4-dozen cookies. Another recipe calls for 5 cups
Rashid [163]

Answer: don't know sorry

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Eric has 4 bags of marbles and 6 single marbles how many marbles does eric have
matrenka [14]
Eric has 46 total marbles (4*10)+6

6 0
3 years ago
At the beach, 29% of people are on the boardwalk and 26% are on the sand. If the rest are in the water, what percentage of peopl
natali 33 [55]

Answer:

45% of the people are in the water

Step-by-step explanation:

100%-29%=71%

71%-26%=45%

6 0
3 years ago
Suppose that the revenue function for a certain product is given by R(x) = 17(2x + 1)−1 + 34x − 17 where x is in thousands of un
REY [17]

Answer:

Step-by-step explanation:

Given that:

R(x) = \frac{17}{2x+1} + 34x − 17

As we know that derivative of revenue function is marginal revenue function .

We will use following rules of derivative

=> dR/ dx = \frac{-17*2}{(2x+1)^{2} } + 34

=> R' (x) =   \frac{-34}{(2x+1)^{2} } + 34

=> R '(2000) =  \frac{-34}{(2*2000+1)^{2} } + 34 = 34

The revenue when 2000 units are sold is:

R(2000) = \frac{17}{2*2000+1} + 34*2000 − 17 = $69,783

3 0
3 years ago
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