Round to the nearest tenth 6.2x+1.2=8.9
1 answer:
You might be interested in
Answer:
B. 200 doses
Step-by-step explanation:
Given,
1 dose is required for 100 mg,
Since, 1 mg = 0.001 g,
⇒ 100 mg = 0.1 g
⇒ 1 dost is required for 0.1 g,
Thus, the ratio of doses and quantity ( in gram ) is
Let x be the doses required for 20 grams,
So, the ratio of doses and quantity is
Hence, 200 doses can be obtained from 20 grams of the drug.
Option 'B' is correct.
Answer:
r=3
Step-by-step explanation:
- The equation of a circumference is
.
- Then , in this case
, and then to know the value of r we just simply have to calculate the square root of 9, which is 3.