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lisov135 [29]
3 years ago
6

Find f'(x) for f(x) = −7x2 + 4x − 10.

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0
The answer is D, none of these
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(PLEASE HELP WILL GIVE BRAINLIEST)
Tom [10]

Answer:

K=2J+28

Step-by-step explanation:

Y intercept is 28

Slope is 2

8 0
3 years ago
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In answering on a multiple choice test, a student either know the answer or guesses. Let p be the probability that the students
LenaWriter [7]

Answer:

P(A_{1}|B ) =\frac{mp}{1+p(m-1)}

Step-by-step explanation:

For mutually exclusive events as A1, A2, A3, etc, Bayes' theorem states:

P(A|B)= \frac{P(B|A)P(A)}{P(B)}

P(A|B) is a conditional probability: the likelihood of event A occurring given that B is true.

P(B|A) is a conditional probability: the likelihood of event B occurring given that A is true.

P(A) is the probability that A occurs

P(B) is the probability that B occurs

For this problem:

A1 is the probability that the student knows the answer

A2 is the probability that the student guesses the answer

B is the probability that the student answer correctly

P(A_{1})=p \\P(A_{2})=1-p \\P(B|A_{1})=1 \\P(B|A_{2})=\frac{1}{m} \\P(B)= P(A_{1})P(B|A_{1}) + P(A_{2})P(B|A_{2})= p+\frac{1-p}{m} \\

P(B|A₁) means the probability that the answer is correct when he knew the answer

P(B|A₂) means the probability that the answer is correct when he guessed the answer

P(A₁|B) means the probability that he knew the answer when the answer was correct

Replacing everything in the Bayes' theorem you get:

P(A_{1}|B)= \frac{P(B|A_{1})P(A_{1})}{P(B)}=\frac{(1)(p)}{p+\frac{1-p}{m}} =\frac{mp}{mp+1-p} =\frac{mp}{1+p(m-1)}

5 0
3 years ago
19. Which of the following statements is true
Ksju [112]
None or true
That’s not possible
7 0
3 years ago
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I need help please???
alexdok [17]

Answer:

x<29

Step-by-step explanation:

This would be the BEST answer. Hope it helps! ☺

4 0
3 years ago
What is the greatest common factor of 24,40,and 72
riadik2000 [5.3K]

The GCF of 24, 40, and 72 is 8.

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24  

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40  

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

8 0
3 years ago
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