manarsadi6
07.12.2020 •
Mathematics
PLS HELP ASAP
If y varies directly as the x^2 and y = 200 when x = 5, what is the value of y when x = -3?
a.
-72
b.
120
c.
72
d.
-120
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Ответ:
y = -120
Step-by-step explanation:
200 / 5 = 40
200 / 40 = 5
5 x 40 = 200
-3 x 40 = y
y = -120
Ответ:
P=RS1000
R=10%
T=?
COMPOUND AMOUNT=RS 1200
I=1200-1000=RS200
IF IT IS SIMPLE INTEREST
T={I×100}/(P×R)=(200×100)/(1000×10)=20000/10000=2YEARS=2×12=24MONTHS