From A to Z BU 9 Love From A to Z
9 Love From A to Z
20
The
equation d = n²-12n + 43
models the number of defective
items d
produced in a manufacturing process where there
workers in a restricted
are n
area
a) solve for
When
do 30
I
b) solve for n
when
d=20

a) we get value of n: n=10.7 or n=1.2 when d=30

b) we get value of n: n=9.6 or n=2.3 when d=20

Step-by-step explanation:

a) solve for  n When  do= 30

Put d= 30 in the given equation:

Now, we will find value of n by using quadratic formula:

We have a=1, b=-12 and c=13

So, we get value of n: n=10.7 or n=1.2

b) solve for n  when  d=20

Now, we will find value of n by using quadratic formula:

We have a=1, b=-12 and c=23

So, we get value of n: n=9.6 or n=2.3

step-by-step explanation:

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b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation: