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Damm [24]
3 years ago
12

(07.03 LC)

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

B

Step-by-step explanation:

THis is a single equation with a single variable [y].

We can separate the variable in one side and the numbers to another and solve for y. Shown below:

3y + 4 = -2

3y = -2 - 4

3y = -6

y = -6/3

y = -2

THus, this equation has only 1 solution. B is correct

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each of the 20 balls is tossed independently and at random into one of the 5 bins. let p be the probability that some bin ends u
amm1812

if p is the probability that some bin ends up with 3 balls and q is the probability that every bin ends up with 4 balls. pq is 16.

First, let us label the bins with 1,2,3,4,5.

Applying multinomial distribution with parameters  n=20  and  p1=p2=p3=p4=p5=15  we find that probability that bin1 ends up with 3, bin2 with 5 and bin3, bin4 and bin5 with 4 balls equals:

5−2020!3!5!4!4!4!

But of course, there are more possibilities for the same division  (3,5,4,4,4)  and to get the probability that one of the bins contains 3, another 5, et cetera we must multiply with the number of quintuples that has one 3, one 5, and three 4's. This leads to the following:

p=20×5−2020!3!5!4!4!4!

In a similar way we find:

q=1×5−2020!4!4!4!4!4!

So:

pq=20×4!4!4!4!4!3!5!4!4!4!=20×45=16

thus, pq = 16.

To learn more about Probability visit: brainly.com/question/29508225

#SPJ4

7 0
1 year ago
8 and 5 are factors of what number?​
madreJ [45]

Answer:

40

Step-by-step explanation:

8 and 5 are factors of 40. (8 x 5 = 40)

8 0
3 years ago
Round to the nearest tenth 43
bazaltina [42]
40 because the three in the units place is smaller than 5 so you round down. 
4 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through (4,-5) and (-2,9)
stiks02 [169]

Answer:

C) -7/3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(9-(-5))/(-2-4)=(9+5)/-6=14/-6

simplify -14/6 to -7/3

4 0
3 years ago
I need this as soon as possible. Select all irrational numbers.
Phoenix [80]

A rational number can be expressed in the form

\frac{a}{b} where a and b are integers

Otherwise irrational

Note that \sqrt{8}, \sqrt{10}, \sqrt{2} are all irrational

\sqrt{}\frac{1}{16} = \frac{1}{4} → rational

\sqrt{}\frac{1}{8} → irrational

\sqrt{}\frac{1}{10} → irrational

\sqrt{}\frac{1}{4} = \frac{1}{2} → rational

\sqrt{}\frac{1}{2} → irrational





4 0
3 years ago
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