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san4es73 [151]
3 years ago
7

Common difference of the arithmetic sequence -6,-13,-20

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0

Answer:

-7

Step-by-step explanation:

-13 - (-6)

=> -13 + 6

=> -7

So Common Difference = -7

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26

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26

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What is the value of c in the equation below? <br>5^5/5^2 = a^b = c​
Semenov [28]

Answer:

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4 0
3 years ago
A student takes an exam containing 18 true or false questions, if the students guesses, what is the probability that he will get
Rzqust [24]

Answer:

0.3523 is the probability that the student will get less than 10 but more than 7 questions right.      

Step-by-step explanation:

We are given the following information:

We treat answering the question correctly as a success.

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Then the number of questions follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

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We have to evaluate:

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0.3523 is the probability that the student will get less than 10 but more than 7 questions right.

4 0
4 years ago
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