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marin [14]
4 years ago
11

Solve x squared minus 2x minus 15 equals 0 using the zero product property

Mathematics
1 answer:
Pani-rosa [81]4 years ago
4 0
X^2 - 2x - 15 = 0

(x - 5)(x + 3) = 0

We have two factors:

(x - 5) and (x + 3)

Set each factor to 0 and solve for x.

Take it ftom here.

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Complete the recursive formula of the geometric sequence 27,−9,3,−1,
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Step-by-step explanation:

a1 = 27

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the formula :

an = a1. r^(n-1)

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3 years ago
A total of $12,000 is invested at an annual interest rate of 9%. Find the balance
sineoko [7]

Answer:

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Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

<em>r = interest rate (decimal)</em>

<em>n = number of times compounded annually</em>

<em>t = time</em>

<em />

First lets change 9% into a decimal:

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Since the interest is compounded quarterly, we will use 4 for n. Lets plug in the values now:

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<u>The balance after 5 years is $18,726.11</u>

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