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ltuthill
05.04.2020 •
Mathematics
Answer please. i need help
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Ответ:
B
Step-by-step explanation:
For this problem, it would be wise to actually graph the two equations on a graphing calculator.
Doing so, you see that, indeed, both the graph
and
are the same.
However, looking back at the original problem, we see that we're looking for solutions where
is less than
. Since the graph shows that all the solutions of the first equation are the solutions for the second equation, as well, there are NO solutions that make the first equation smaller than the second.
Hence, the answer is (b) because it is the only one that gives the correct answer and explanation.
Ответ:
Option 2
Step-by-step explanation:
2sin²x + cos(2x) - 2 < -1
2sin²x + (1 - 2sin²x) - 2 < -1
2sin²x + 1 - 2sin²x - 2 + 1 < 0
0 < 0
Is a false statement
Ответ:
Solution given:
1 kg =1000g
1g=1000mg
now
1kg=1000g=1000×1000mg=1000000mg