Answer:
B is correct.
Step-by-step explanation:
Quadratic Expression (Standard Form) is:

To say it simply, the expression must have 2 as the highest degree.
This means that if there are any higher or lower degrees than 2 then they are not quadratic expression.
A choice is not quadratic expression because it has 1 as the highest degree.
B choice is correct because 2 is the highest degree.
C choice is wrong because 3 is the highest degree.
D choice is wrong because it is not a polynomial.
Therefore, B is correct.
Answer:
False
Step-by-step explanation:
To find <A, we can do 5x - 80 = 3x + 20.
As we simplify, we will get 2x = 100, which is x = 50
Therefore, <A will be 50 degrees and not 45 degrees.
Also, if you need y, you can do:
3y - 7 = y + 7
2y = 14
y = 7
Answer:
ppm value = 0.000027 parts per million
Step-by-step explanation:
Given:
number of parts(n) = 8
From table: percent conformance in six sigma = 0.9999966
Using the formula of ppm value in terms of percent conformance and number of parts:

Plugging in the values:



Step-by-step explanation:
- -7.2(x-15.6)= -9
- -7.2x+112.32= -9
- -7.2x= -9-112.32
- -7.2x= -121.32
- x= -121.32/ -7.2
- x=16.85
<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>
It cannot be simplified:(
it is already in simplest form