Xy=130
y=3+x
x(3+x)=130
x²+3x-130=0
(x+13)(x-10)=0
x= -13 or 10
since the question says X and Y are positive we just dismiss-13
x=10
and y=13
Answer:
Sin A = 15/17 = 0.8823529411....
Cos A = 8/17 = 0.4705882352...
Tan A = 15/8 = 1.875
Step-by-step explanation:
SOH CAH TOA!!!!
Answer:
$0.03
Step-by-step explanation:
The 1.4% interest rate given is an annual rate. So, the daily interest rate is 1/365 of that value. The first day's interest is 1/365 of 1.4% of $720:
1/365 × 0.014 × $720 ≈ $0.0276 ≈ $0.03 . . . . first day's interest
