2 years ago

Ken is thinking of a number. Nine more than the product of 4 & the number is 73. Find Ken's number.

Mathematics

1 answer:

motikmotik2 years ago

3 0

Answer:

x = 16

Step-by-step explanation:

Let the unknown number be x.

Translating the word problem into an algebraic expression, we have;

4x + 9 = 73

4x = 73 - 9

4x = 64

x = 64/4

x = 16

Therefore, the unknown number is 16.

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Adam wishes to have $20 comma 000 available in 18 years to purchase a new car for his son as a gift for his high school graduat

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Explanation:

Given:

Amount(18) = $20000

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General equation of amount that is compounded daily:

$A(t) = A_0(1 + \frac{r}{n} )^n^t$

Solving for A₀:

$A_0 = \frac{A(t)}{(1+\frac{r}{n} )^n^t}$

Substituting the values:

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