Please please help me!!
1 answer:
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Formula for compound interest is
Interest = Amount - Principal
Interest = - P
Where r = rate in percent
t = time in years
For Jaina,
P = $300
r= 7%
t = 3 yrs
So, Interest = - 300
For Tomas
P = $400
r= 4%
t = 3 yrs
So, Interest = - 400
So pair of equations for Jaina and Tomas are
Interest = - 300
Interest = - 400
Answer:
Step-by-step explanation:
Cosine (cos) is adjacent by hypotenuse.
In any of the 45° angles, 1 is adjacent and √2 is the hypotenuse.
So arrange them to get