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shtirl [24]
3 years ago
11

How do you know whether to add or subtract when using the distributive property to multiply?

Mathematics
1 answer:
bixtya [17]3 years ago
6 0
Distributive property is characterized by the use of parenthesis, wherein you distribute the outside number to each term inside the parenthesis by multiplication. You'll just have to copy the operation inside the parenthesis as it is, whether addition or subtraction. For example,

3(10+4-3) = 3(10) + 3(4) - 3(3) = 33
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Step-by-step explanation:

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Answer:

more

Step-by-step explanation:

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3 years ago
The annual interest on a $14,000 investment exceeds the interest earned on a $7000 investment by $595 . The $14,000 is invested
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Answer:

x= 8.00 Interest rate on $14000

y= 7.50 Interest rate on $7000

Step-by-step explanation:

Let interest rate of $14000 be x%

and Interest rate for $7000 be y %

According to the first condition

14000 * x% - 7000 * y% = 595

multiply by 100

14000x-7000y = 59500

/700

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II condition

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x=y+0.5

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solve (1) & (2)

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Total value

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Eliminate y

multiply (1)by 1

Multiply (2) by -10

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Add the two equations

10.00 x = 80.00

/ 10.00

x = 8.00

plug value of x in (1)

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160.00 -10.00 y = 85.00

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7 0
4 years ago
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Answer:

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= ½(π*400)

Perimeter of the window = 628.31853 ≈ 628.3 cm (nearest tenth)

4 0
3 years ago
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timofeeve [1]
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