Learning the concepts of rates, ratios, and proportions is important to those in healthcare professions because this allows them to be accurate with the dosages that is to be given to their patients. Moreover, the changes in the amount of medicine that are to be made in accordance to the need of the patient may be easily determined.
GCF is 4a^2
First find the GCF of whole numbers 16 and 12
16: 1, 2, 4, 8, 16
12: 1, 2, 3, 4, 6, 12
Gcf of 16 and 12 is 4
Now a^2 and a^4
Just look at the exponents
The highest you can take out of both of them is a^2
Now put the 4 and a^2 together
Answer is 4a^2
(13x^2 - 10x + 12) - (9x^2 + 20x - 50)
13x^2 - 10x + 12 - 9x^2 - 20x + 50
13x^2 - 9x^2 = <em>4x^2</em>
- 10x - 20x = <em>-30x</em>
12 + 50 = <em>62</em>
4x^2 - 30x + 62
Answer:
1503.37
Step-by-step explanation:
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The answer is 60.
Hope this helps.<3
Have a great day!!