3 years ago

4. Which property of operations is used to write 15x + 9 as 9 + 15x?

1 answer:

8 0

Solution: The commutative property of addition states that when two numbers are being added, their order can be changed without affecting the sum.

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Jasmine purchased a laptop worth $1,500 in 2007. It loses its value by %32 each year. What is the value of the laptop in 2010? R

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Answer:

$471.65

Step-by-step explanation:

-The value of the laptop after each year is calculated by the formula:

$P_t=P_o(1-d)^t$

where:

$P_t$ is the value at time t

$P_o$ is the initial value

$d$ is the rate of depreciation

$t$ is the time

#We substitute the values to solve for the value after 3 years(2010-2007=3):

$P_t=P_o(1-d)^t\\\\=1500(1-0.32)^3\\\\=\$471.65$

Hence, the value of the laptop in 2010 is $471.65

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Step-by-step explanation:

(16.87 - 16.35) x 12 = 6.24

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Answer:

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