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Darya [45]
3 years ago
8

How do you simplify -50 1/2+ 12.3

Mathematics
1 answer:
marishachu [46]3 years ago
6 0

Answer:

-38.2

Step-by-step explanation:

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Yuri thinks that 3/4 is a root of the following function.
sineoko [7]

Given:

The polynomial function is

q(x)=6x^3+19x^2-15x-28

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Why \dfrac{3}{4} cannot be a root?

Solution:

We have,

q(x)=6x^3+19x^2-15x-28

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q(\dfrac{3}{4})=6(\dfrac{3}{4})^3+19(\dfrac{3}{4})^2-15(\dfrac{3}{4})-28

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Taking LCM, we get

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Since the value of the function at \dfrac{3}{4} is not equal to 0, therefore, \dfrac{3}{4} is not a root of the given function.

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Answer:

Step-by-step explanation:

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b) Var(x) = npq = 780(0.03)(0.97)\\= 22.698

Std dev (X) = 4.7642

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3 years ago
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