Answer:
Option 4: is the correct answer.
Step-by-step explanation:
The given fractions are mixed fractions. the mixed fractions have to be converted into proper fractions before performing any operation like addition, subtraction etc.
Given fractions are:
Converting into proper fractions
Making the denominator same
We have to multiply first fraction by 3 and second by 6
Converting into mixed fraction:
Hence,
Option 4: is the correct answer.
Five factors that should be controlled are the dose of the medicine, the time the patients take this medicine, their diet, the stage of this disease and medicine composition.
<h3>Why should some factors be controlled?</h3>
This is done to avoid bias or imprecise results.
<h3>What factors should be controlled?</h3>
Factors related to the medicine itself and factors that can affect the results should be controlled. This includes:
- The dose given to the patients.
- The stage of the disease that should be similar for all patients.
- The medicine compositon and manufacturer.
- The number of day patients take the medicine.
- The patients' diet.
Learn more about medicine in:brainly.com/question/21486381
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Pick 2 coordinates:
I choose first & last one (0,15) & (8-9)
Change in y is 24
(15--9 = 24)
Change in x is 8
(0 - 8) = - 8
24/-8 = - 3
So, slope = - 3
Hope this helps!
Answer:
(x-3) (x-4)
Step-by-step explanation:
x²- 7x + 12
= x² - 3x -4x +12
=x(x-3) - 4(x-3)
=(x-3) (x-4)
Answer:
$22.26
Step-by-step explanation:
To solve, all we need to do is 28(1-.25) to get 21, then we set up the equation 21(1+.03) and we get our total for the price.
we subtract in the first place, because it is a discount, and we add in the second one because it is a sales tax.
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