Answer:
a) x = 5
b) x = 4
Step-by-step explanation:
a)
= 9.5
3x+4 = 9.5(2)
3x = 19-4
x = 15/3
x = 5
b)
= 5
7+2x = 5(3)
2x = 15-7
x = 8/2
x=4
The final amount of the compound interest after 6 years would be $ 294, 122, 500
<h3>How to determine the final amount</h3>
The formula for the final amount is given as;

Where
A = final amount
P = principal interest
r = interest rate
n = number of times
t = time of periods
We have,
A =

A = 
A =
× 
A =$ 
Thus, the final amount of the compound interest after 6 years would be $ 294, 122, 500
Learn more about compound interest here:
brainly.com/question/24924853
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Answer:
0.021g
Step-by-step explanation:
I took the test and the answer was
-5