Answer:
36
Step-by-step explanation:
Answer:
x2-12x+3
Step-by-step explanation:
=x(x-3)-9(x-3)
=x2-3x-9x+3
=x2-12x+3
Answer:

The value of S(50) is 22 in means the amount of sodium iodine in the mixture is 22 when 50 milliliters of the 20% solution used.
Step-by-step explanation:
It is given that a chemist working on a flu vaccine needs to mix a 20% sodium-iodine with a 60% sodium-iodine to obtain a 70-milliliter mixture.
Let x be the number of milliliters of the 20% sodium-iodine.
Number of milliliters of the 60% sodium-iodine = 70-x
The amount of sodium iodine in the mixture is 20% of x and 60% of (70-x).



Therefore,the required function is
.
Substitute x=50 in the above equation.


The value of S(50) is 22 in means the amount of sodium iodine in the mixture is 22 when 50 milliliters of the 20% solution used.
You must do 20×26=520
⬇
4 workes times 5 days
Total is 520
Hope I helped !!!!!
➖Mya
Answer:
B) 13+14 (n - 1)
Step-by-step explanation:
this is an arithmetic sequence
13 represent the first term
14 is a constant difference