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zepelin [54]
3 years ago
9

Express each of the following problems algebraically

Mathematics
1 answer:
serg [7]3 years ago
7 0
Sent a picture of the solutionsolution to the problem (s).

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Evaluate the expression for the given value of the variable y/8+12;y=32
lisabon 2012 [21]

32÷8+12=16

32÷8=4

4+12=16

6 0
3 years ago
Read 2 more answers
Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with mea
Anika [276]

Answer:

About 3 years Speedy Jet printers be guaranteed.

Step-by-step explanation:

Given : Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with

mean \mu = 4 and standard deviation  \sigma = 0.78

If the company wishes to replace no more than 10% of the printers.

To find : How long should Speedy Jet printers be guaranteed ?

Solution :

Using Z- table,  

Z value corresponding to 10% or 0.10 = -1.28.

Applying z-score formula,

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

The value of x is given by,

x=(z\times \sigma)+\mu

Substitute the values,

x=(-1.28\times 0.78)+4

x=-0.9984+4

x=3.0016

So, approx 3 years.

Therefore, About 3 years Speedy Jet printers be guaranteed.

8 0
2 years ago
Diego is 165 cm tall. Andre is 1.7 m tall. Who is taller, Diego or Andre? 1 m = 100 cm.
mart [117]

Answer:

Diego

Step-by-step explanation:

Diego is because 1m = 100 and Diego is 165 and that is alote bigger from 1.7.

8 0
3 years ago
2 of the people on a train have
Keith_Richards [23]

Answer:

10

Step-by-step explanation:

5 0
2 years ago
I need help on this 10j< – 10
bezimeni [28]

Answer:

j<-1

Step-by-step explanation:

10j<-10

divide both sides by 10 and get

j<-1

3 0
3 years ago
Read 2 more answers
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