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Mazyrski [523]
2 years ago
9

Sean earned an interest of $10,736 with simple annual interest account for 20 years at a rate of 6.1%. How much money did he ori

ginally place in the account 20 years ago?
Mathematics
2 answers:
IrinaVladis [17]2 years ago
6 0

Answer:

$750

Step-by-step explanation:

marta [7]2 years ago
6 0
The answer is 750$ I just did that lesson
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Calculate the quotient of 54256/45 round to the nearest tenth
vampirchik [111]

Answer:

3.4

Step-by-step explanation:

will 3.4 is is rounded of 54256 in decamal

7 0
2 years ago
3(2+5x) is the same thing as what
marin [14]
Answer:
6+15x
Step by step explanation:
Expansion
7 0
2 years ago
4. A rectangular field has a perimeter of 300m. What is the area of the field if the length of
USPshnik [31]

Answer:

Step-by-step explanation:

5 0
2 years ago
Simplify the expression m-6n-3/m-13n-1
rosijanka [135]

ANSWER: 7n-2

m-6n-3/m-13n-1

First you cross cancel m

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3 0
3 years ago
Read 2 more answers
Easy math!!! Do #13 and #14 (#15 optional)<br> Please show work!
Andru [333]
13. Let A = the amount of money in the given time, P = principal amount; the amount of money you start with, T = time in years, R = interest rate, and N = amount of times interest is compounded each year.

The formula for compound interest is:

A = P(1 +  \frac{R}{N} )^{NT}

Now, we find in the information from the description needed to plug in. P = $1000, R = 7% or 0.07, N = 1 time a year, T = 3 years

A = 1000(1 +  \frac{0.07}{1})^{1(3)}

This simplifies to:

A = 1000(1 + 0.07)^{3}

And again to:

A = 1000(1.07)^{3}

Plug this into a calculator:

A = 1225.043 or ≈1,225.04

14. (x² + 3)(x - 3)(x + 3)

I'm going to do FOIL method on the second and third binomials first and simplify. This gives you:

(x² + 3)(x² - 9)

Then you do the FOIL method again to get:

x⁴ - 9x² + 3x² - 27

And combine like terms for your answer:

x⁴ - 6x² - 27

Number 15 doesn't give you a number to set the polynomial (that results from multiplying those two binomials) equal to so I'm guessing it wants you to set said polynomial equal to zero and solve for x then plug back in. 

If not, your area is found by the equation 3x² - 5x - 12
4 0
3 years ago
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