Plz help. Having trouble. Numbers 5 and 6
1 answer:
For question 5, the expression would be p - 2. You can read that he is starting with a total of P number of picture frames. If he sells to, you represent this by subtracting 2 from p.
For question 6, the simplified expression is 3x + 19. You will get this by understanding that there are 3 groups of everything in the parentheses. You would read this expression as 4 and 3 groups of 5 and 3 groups of x (4+15+3x). Combine the 4 and 15 to get 19. Rewrite it so the part with the variable is first.
Please see the attached picture.
For question 6, the simplified expression is 3x + 19. You will get this by understanding that there are 3 groups of everything in the parentheses. You would read this expression as 4 and 3 groups of 5 and 3 groups of x (4+15+3x). Combine the 4 and 15 to get 19. Rewrite it so the part with the variable is first.
Please see the attached picture.
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Answer:
A(t) = 200+15t(1+0.02)^{t}
Step-by-step explanation:
Since the interest is calculated on the new balance every year.
Hence the formula used for compound interest is:
A = P(1+^{nt}
where, A =Amount after t years
P =Principal amount
200 is the initial balance and Since, here the $15 is added to the balance each year. Therefore, P = 200+15t
r = rate each year (0.02)
t = time (in years) (t)
n = no. of times the interest is compounded in a year (n=1)
Therefore, the recursive formula is:
A(t) = 200+15t(1+0.02)^{t}