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mash [69]
3 years ago
8

X – 1= 4x + x - 8+ 3x

Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

1

Step-by-step explanation:

Add one on both sides, combine like terms and solve.

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Question one answer.

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= 104.16cm³)

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(√8)*(√10) simplified
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The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standar
34kurt

Answer:

a) 0.0081975

b) 0.97259

Step-by-step explanation:

The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standard deviation of 0.05 micrometer

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

a. What is the probability that a line width is greater than 0.62 micrometer?

z = 0.62 - 0.5/0.05

z = 2.4

Probability value from Z-Table:

P(x<0.62) = 0.9918

P(x>0.62) = 1 - P(x<0.62)

= 0.0081975

b. What is the probability that a line width is between 0.4 and 0.63 micrometer?

For 0.4

z = 0.4 - 0.5/0.05

= -2

Probability value from Z-Table:

P(x = 0.4) = 0.02275

For 0.63

z = 0.63 - 0.5/0.05

= 2.6

Probability value from Z-Table:

P(x = 0.63) = 0.99534

P(x = 0.63) - P(x = 0.4)

= 0.99534 - 0.02275

= 0.97259

c. The line width of 90% of samples is below what value?

6 0
3 years ago
11) Gretchen purchased a dress that originally cost $89.99. It was marked down 30% off. What was the cost of the
Goshia [24]
Answer is c. $62.99
Step by step
89.99 x 70% = x
89.99 x .70 = 62.99
Hint: If the dress was 30% off, it’s cost is 70%

You can also do this in two steps
89.99 x 30% = discount of $27.
Then
89.99 - $27 = $62.99



4 0
2 years ago
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