Of 250 grandparents in the population, how many would you expect to spend less than 2 hours a day online? Choose the infrence th
2 answers:
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Data:
Humans (x) = 2 Legs
Horses (y) = 4 Legs
74 Heads
196 Legs
Solving:
Addition method
Simplify by (-4) The first equation
Now, to find the number of horses, I will use the following equation and I will replace the found value, we will have:
Number with incognito are to the left of the equality and numbers without incognito are to the right, remembering that when changing of side changes the signal.
Answer:
Humans = 50
Horses = 24
Humans (x) = 2 Legs
Horses (y) = 4 Legs
74 Heads
196 Legs
Solving:
Addition method
Simplify by (-4) The first equation
Now, to find the number of horses, I will use the following equation and I will replace the found value, we will have:
Number with incognito are to the left of the equality and numbers without incognito are to the right, remembering that when changing of side changes the signal.
Answer:
Humans = 50
Horses = 24
0.45 times what=0.90?
seems to be 2
for
and 
, (1 term and the next)
common ratio=
0.45 and 0.9
0.9/0.45=2
common ratio is 2
seems to be 2
for
common ratio=
0.45 and 0.9
0.9/0.45=2
common ratio is 2
