The sum of the square of a number and 34
1 answer:
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Answer:
1. 4.5 g
2. 56.25 g
Step-by-step explanation:
3 % substance solution means :
3 g of dry substance is present in 100 g of solution.
By unitary method:
The weight of dry substance in 1 g of solution =
The weight of dry substance in 150 g of solution =
Let the weight of solution be w.
8 % solution contains 8 g dry substance in 100 g.
We have to find the weight of the solution(w) which contains 4.5 g of dry substance.
⇒
Answer:
Step-by-step explanation:
Distance is given by , where
represents speed or rate and
represents time.
What we're given:
- speed of
- time of
hours
Thus, the distance covered by the airplane is:
In scientific notation: