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Juliette [100K]
2 years ago
7

Which choice is equivalent to the expression below? 27.19 O A. 27+1/10 + 9/10 O B. 27. 219/10 c. 27. 21/10.29/100 O D. 2? + 21/1

0 + 29/100​

Mathematics
1 answer:
fenix001 [56]2 years ago
3 0

Answer:

b

Step-by-step explanation:

nah that's it foo your screwed

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Step-by-step explanation:

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Henry’s age is 10 years less than 4 times Paul’s age. If the sum of their ages is equal to 25 years, find the age of each boy.
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How could the distance formula and slope be used to classify triangles and quadrilaterals in the coordinate plane?
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~ Use the distance formula to measure the lengths of the sides.

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3 years ago
A set of magical wand prices are normally distributed with a mean of 50 dollars and a standard deviation of 4 dollars. A blackth
Anna11 [10]

Complete Question

A set of magical wand prices are normally distributed with a mean of 50 dollars and a standard deviation of 4 dollars. A blackthorn wand has a price of 45.20. What proportion of wand prices are lower than the price of the blackthorn wand? You may round your answer to four decimal places

Answer:

0.1151

Step-by-step explanation:

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score = $45.20

μ is the population mean = $50

σ is the population standard deviation = $4

We are solving for x < 45.20

Hence:

z = 45.20 - 50/4

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Probability value from Z-Table:

P(x<45.20) = 0.11507

Approximately to 4 decimal places = 0.1151

Therefore, the proportion of wand prices that are lower than the price of the blackthorn wand is 0.1151

8 0
3 years ago
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