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Eduardwww [97]
2 years ago
12

What is the value of f^{-1}(4)f

Mathematics
2 answers:
charle [14.2K]2 years ago
4 0

Answer:-7

Step-by-step explanation:

trust me lol

Dovator [93]2 years ago
3 0

Answer:

7

Step-by-step explana

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The mass of a species of mouse commonly found in houses is normally distributed with a mean of 20.2 grams with a standard deviat
Sophie [7]

Answer:

12.1%

Step-by-step explanation:

Given that:

Mean (μ) = 20.2 grams and standard deviation (σ) = 0.18 grams.

The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean. A positive z score means  that the raw score is above the mean and a negative z score means that the raw score is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}

a) For x < 19.99 g:

z=\frac{x-\mu}{\sigma}\\\\z=\frac{19.99-20.2}{0.18} \\\\z=-1.17

From the normal distribution table, P(x < 19.99) = P(z < -1.17) = 0.1210 = 12.1%

The probability that a randomly chosen mouse has a mass of less than 19.99 grams is 12.1%

6 0
2 years ago
What is the value of x in this diagram?
mixas84 [53]

Answer:

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

6 0
2 years ago
Find the equation of the line parallel to the line containing points
Neko [114]

Answer:B

Step-by-step explanation: I took the test already trust me it is correct

4 0
2 years ago
I need help and be available as of right now plz!
scZoUnD [109]
Where's your numbers?

Can't help because I have no information, sorry

8 0
3 years ago
While shopping for school Janice and Patty spent more than $175. Janice spent $34. How much did Patty spend?
Natali [406]

Answer:

At least $141

Step-by-step explanation:

175-34=141

7 0
3 years ago
Read 2 more answers
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