In how many months the amount of RS 1000 at the rate of 10% will be RS 1200​

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

-1/2 +2

step-by-step explanation:

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15