Answer:
(0.5,-1.5)
Step-by-step explanation:
this is the numbers i got when I put it in...
m=()
(0.5,-1.5)
How many hundreds are there in 1 thousand?
1 answer:
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Answer:
The world population at the beginning of 2019 will be of 7.45 billion people.
Step-by-step explanation:
The world population can be modeled by the following equation.
In which Q(t) is the population in t years after 1980, in billions, Q(0) is the initial population and r is the growth rate.
The world population at the beginning of 1980 was 4.5 billion. Assuming that the population continued to grow at the rate of approximately 1.3%/year.
This means that
So
What will the world population be at the beginning of 2019 ?
2019 - 1980 = 39. So this is Q(39).
The world population at the beginning of 2019 will be of 7.45 billion people.
Answer:
R = 10 cm
Step-by-step explanation:
The area of a spherical shape is given by :
Where
r is the radius of the sphere
ATQ,
One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large bubble.
The radius of each small bubble is 5 cm
Using the given condition,
So, the radius of the large bubble is equal to 10 cm.