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TKwan
16.04.2021 •
Mathematics
Please help and don't do it only because of point do it for help
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Ответ:
OML IM SO SRRY I MIXED IT UP
its B. im srry if you already said C
Step-by-step explanation:
Ответ:
(-4, 0.5)
Step-by-step explanation:
Ответ:
Let us assume x is the increase percentage in decimals, then we need to multiply original value with 1+x.
Similarly if we assume x is the decrease percentage in decimals, then we need to multiply original value with 1-x
A) Given that sam multiplied original value with 1.07 while calculating percentage.
Since 1.07>1, that is an increase.
And percentage change = x*100 = (1.07-1) * 100 = 7 %
B)Given that sam multiplied original value with 0.7 while calculating percentage.
Since 0.7<1, that is an decrease
And decrease percentage = x*100 = (1-0.7)*100 = 30%