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olya-2409 [2.1K]
2 years ago
7

48/4+[6+{12/2 of 3}-4]+20​

Mathematics
1 answer:
ivanzaharov [21]2 years ago
6 0

Step-by-step explanation:

48/4+[6+{12/2 of 3}-4]+20

48/4+[6+18-4]+20

12+20+20

52

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Can someone please help me
Mashutka [201]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Functions.

Let's first find the g(-1),

so we get as

3(-1)^2 +5(-1)-6

=> 3 -5-6

=> -8

now since g(-1) =-8

let's find f(g(-1)) that is f(-8)

f(-8) = 4(-8) + 14

=> f(g(-1)) = -32+14

=> f(g(-1)) = -18

-18 is the answer.

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3 years ago
A number multiplied by -7, subtracted drom the sum of 7 and five times athe number
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Answer:

Yes

Step-by-step explanation:

0.7988-0.5= 0.7488

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however, are you certain that the question has 0.500 as the uncertainty not 0.050

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2 years ago
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Consumer Reports indicated that the average life of a refrigerator before replacement is 14 years with a standard deviation of 2
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Answer:

a.) Average life of a refrigerator

b.) 0.1151

c.) 0.0548

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Step-by-step explanation:

Given that :

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Standard deviation, σ = 2 years

A.)

The random variable is the variable which is being measured.

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Fewer than 11 years, P(x < 11)

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C.) What is the probability that someone will keep a refrigerator more than 18 years before replacement?

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The Zscore = (x - mean) / standard deviation

Zscore = (18 - 14) / 2.5 = 1.6

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Zscore = (8 - 14) / 2.5 = - 2.4

P(Z < - 2.4) = 0.0081975

P(x < 15)

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"D.neither line symmetry nor rotational symmetry. "A line segment can have neither line symmetry nor rotational symmetry. a line segment is a line that has boundaries..

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