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3 years ago

Which expression is equivalent to the given expression using the commutative property of addition.

Mathematics

1 answer:

9966 [12]3 years ago

8 0

The given question is wrong.

Question:

Which expression is equivalent to the given expression using commutative property of addition? 2(x + b) + 3(xa).

Answer:

Option C:

3(xa) + 2(x + b)

Solution:

Given expression is 2(x + b) + 3(xa).

To find the equivalent expression using commutative property of addition.

Let us first define the commutative property of addition.

a + b = b + a

You can add in any order.

Now, write the given expression using commutative property.

2(x + b) + 3(xa) = 3(xa) + 2(x + b)

Option C is the correct answer.

Hence 3(xa) + 2(x + b) equivalent expression using commutative property of addition.

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4 years ago

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Future value of this amount after n years at i=11% annual interest
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We'd like to have F1+F2=280000, so forming following equation:
F1+F2=280000
=>
36948.61(1.11)^n+3000(1.11^n-1)/0.11=280000

We can solve this by trial and error.

The rule of 72 tells us that money at 11% deposited will double in 72/11=6.5 years, approximately.
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Which expression is equivalent to the given expression using the commutative property of addition.​

Which expression is equivalent to the given expression using the commutative property of addition.