heavendl13
20.02.2022 •
Mathematics
1. Given sine of x equals negative 12 over 13 and cos x > 0, what is the exact solution of cos 2x?
A. negative 119 over 169
B. negative 144 over 169
C. 119 over 169
D. 144 over 169
2.How many solutions exist for the equation cos 2θ − sin2θ = 1 on the interval [0, 360°)?
A. 0
B. 1
C.2
D. 3
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Ответ:
617.48
Step-by-step explanation:
SI = P x R x T / 100
SI = Simple Interest
P = Principal
R = Rate
T = Time
SI = 359 x 9 x 8 / 100
=> SI = 2872 x 9 /100
=> SI = 25848 /100
=> SI = 258.48
New Balance = Principal + Simple Interest
=> New Balance = 359 + 258.48
=> New Balance = 617.48