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ser-zykov [4K]
3 years ago
6

What is the meaning of pi?

Mathematics
2 answers:
Zina [86]3 years ago
8 0

pi equals : 3.14159265359

avanturin [10]3 years ago
4 0
3.14 is the answer (Picture)
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Zucchini weights are approximately normally distributed with mean 0.8 pound and standard deviation 0.25 pound. Which of the foll
Charra [1.4K]

Answer:

0.81859

Step-by-step explanation:

We solve using z score method

The formula for calculating a z-score is is z = (x-μ)/σ,

where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Mean 0.8 pound

Standard deviation 0.25 pound

For x = 0.55 pound

z = 0.55 - 0.8/0.25

= -1

Probability -value from Z-Table:

P(x = 0.55) = 0.15866

For x = 1.3 pounds

Z = 1.3 = 0.8/0.25

= 2

Probability value from Z-Table:

P(x = 1.3) = 0.97725

The probability that a randomly selected zucchini will weigh between 0.55 pound and 1.3 pounds is

P(x = 1.3) - P(x = 0.8)

0.97725 - 0.15866

0.81859.

6 0
3 years ago
Somebody confirm that I am not a complete moron please and thanks
Ann [662]

Answer:

B

Step-by-step explanation:

Triangle B because 128°>90°

3 0
3 years ago
Read 2 more answers
Ling drove at speed of 45 Miles per hour for 225 miles. How many hours did she drive?
oksian1 [2.3K]
225 miles / 45 miles/hr = 5hr
3 0
3 years ago
Which expression can be used to find 32% of 130?
Gemiola [76]

Answer:

b. 0.32 • 130

Step-by-step explanation:

Change the percent to decimal form

32% = .32

.32 * 130

6 0
3 years ago
What is x in the equation 5^{3-2x} = 5^{-x} <br> A) x = 3<br> B) x = 1<br> C) x = -1<br> D) x = -3
Naily [24]

Answer:

The answer is A) x equals 3

8 0
3 years ago
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