ayoismeisjjjjuan
21.02.2020 •
Mathematics
Log2(x²)=2
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Ответ:
x=2
Step-by-step explanation:
log₂x² = 2
the 2 can be rewritten as log₂2² ( because from the law of indices the exponential can be taken forwarded like 2log₂2] and log₂2 =1
log₂x² = log₂2²deleting the log₂
x²= 2²
square root both sides
√x²= √2²
x =2
Ответ:
so 1/2 * 18 * 15.25 = 9*15.25 = 137.25
don't forget units so the answer is 137.25 inches squared