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nexus9112 [7]
4 years ago
5

Please Help!! I would really appreciate it if you showed your work and didn’t give any nonsense or blank answers ;)

Mathematics
1 answer:
nataly862011 [7]4 years ago
7 0

Answer:

Step-by-step explanation:

35

Step-by-step explanation:

They told you that the mean is 7.

You know there are 5 numbers

Mean = (number 1 + number 2 + number 3 + number 4 + number 5) / 5 = 7

Sum = 7 x 5

= 35.

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Answer:

y = -2/3x - 2

Step-by-step explanation:

Step 1: Find slope <em>m</em> of perpendicular line

<em>Simply take the negative reciprocal of the given line</em>

m = -2/3

y = -2/3x + b

Step 2: Find <em>b</em>

6 = -2/3(-12) + b

6 = 8 + b

b = -2

Step 3: Rewrite perpendicular equation

y = -2/3x - 2

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4 years ago
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3 years ago
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A jar contains four red marbles and six green marbles. You randomly select a marble from the jar, with replacement. The random v
ioda

Answer:

The probability of getting exactly two read marbles is P = 0,003456%

Step-by-step explanation:

So, each of the following sequences are the desired results(I will use R for a red marble and G for a green marble).

S(1) = R-R-G-G

S(2) = R-G-R-G

S(3) = R-G-G-R

S(4) = G-R-R-G

S(5) = G-R-G-R

S(6) = G-G-R-R

In all, considering there are replacement, there can be 10*10*10*10 = 10000 total sequences, so the probability of getting exactly two read marbles is

P = \frac{P(S(1)) + P(S(2)) + P(S(3)) + P(S(4)) + P(S(5)) + P(S(6))}{10000}

where

P(S(1)) = P(S(2)) = P(S(3)) = P(S(4)) = P(S(5)) = P(S(6)) = (0.4)^{2}*(0.6)^{2} = 0.16*0.36 = 0.0576.

The probability of getting exactly two read marbles is

P = \frac{6*0.0576}{10000} = 0,003456%

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4 years ago
Estimate the payment on a 2019 Honda Civic that is selling for $24,599. You will be leasing the vehicle for 3 years. The estimat
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Answer:

Step-by-step explanation:

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3 years ago
Of the 60 books on a bookshelf, 24 are nonfiction. What percent of the books are nonfiction?
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Answer:

40%

Step-by-step explanation:

Please mark as brainliest if you find this answer helpful!

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