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Misha Larkins [42]
3 years ago
10

Simplify: 14 + 8 - 20:5+ 2(4 - 1)

Mathematics
1 answer:
ki77a [65]3 years ago
8 0

Answer:

2:5

Step-by-step explanation:

14 + 8 = 22 - 20 = 2

4-1 = 3 x 2 = 5 + 5 = 10

2:5

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gtnhenbr [62]

i think its c.

i found out why:

A proposition of the form “if p then q” or “p implies q”, represented “p → q” is called a conditional proposition. ... The proposition p is called hypothesis or antecedent, and the proposition q is the conclusion or consequent. Note that p → q is true always except when p is true and q is false

8 0
3 years ago
At a restaurant, 80 percent of the diners are new customers P(N)=0.8, while 20 percent are regular customers P(N’)=0.2. And, 50
Rina8888 [55]

Answer:

c. 0.7404

Step-by-step explanation:

We can use Bayes Formula,

P(N|C) = \frac{P(C|N)*P(N)}{P(C)}

We know every single value of that expression except P(C). We can calculate C by dividing into 2 cases: if the customer is new or not.

By the total probability theorem, we  know that P(C) = P(C|N)*P(N) + P(C|N')*P(N') = 0.5*0.8 + 0.7*0.2 = 0.4+0.14 = 0.54

We replace P(C) on the equation above and we obtain

P(N|C) = \frac{P(C|N)*P(N)}{P(C)} = \frac{0.5*0.8}{0.54} = 0.7407

Thus, P(N|C) = 0.7407. Answer c is correct

I hope this helped you!

4 0
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