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Travka [436]
3 years ago
10

ppppppppppppppppppppppppplllllllllllllllllllllllllllllllllzzzzzzzzzzzzzzzzzzzzzzzz hhhhhhheeeeelllpppppppp

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

A: 23 5/8

Step-by-step explanation:

Hopefully this helps!

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The width of a slot of a duralumin forging is (in inches) normally distributed with μ= 0.9000 and σ = 0.0030. The specification
Lubov Fominskaja [6]

Answer:

a) 9.56%

b) 0.0019

Step-by-step explanation:

a) Find the z-scores.

z = (x − μ) / σ

z₁ = (-0.0050) / 0.0030

z₁ = -1.67

z₂ = (0.0050) / 0.0030

z₂ = 1.67

Find the probability using a chart or calculator.

P(Z < -1.67 or Z > 1.67) = 2 P(Z < -1.67)

P(Z < -1.67 or Z > 1.67) = 2 (0.0478)

P(Z < -1.67 or Z > 1.67) = 0.0956

b) Use a chart or calculator to find the z-score.

P(Z < -z or Z > z) = 0.01

P(Z < -z) = 0.005

z = 2.576

Find the standard deviation.

z = (x − μ) / σ

2.576 = (0.0050) / σ

σ = 0.0019

4 0
3 years ago
What is 3.4 in fraction
Anna [14]
\rm 3,4= \frac{34}{10}\\\\We\ can\ simplify\ this\ fraction:\\\\\  \frac{34\div2}{10\div2}=\boxed{ \frac{17}{5} }

So,\ \boxed{3.4=\boxed{\frac{17}{5} }}
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A store bought a leather couch at a cost of $500 and marked it up 140%. Bruce bought it and
amid [387]

Answer:

$1296

Step-by-step explanation:

the markup is 700 so add that to the 500, then sales tax adds 96

4 0
2 years ago
Solve for x!! help this is due soon
Umnica [9.8K]

Answer

91

Step-by-step explanation:

62+27+x=180

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The Eiffel Tower is about 301 meters tall. Cooper is making a scale model of it using the scale 750 meters : 1 meter.
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