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ale4655 [162]
3 years ago
10

7(8+2) = 7(8)+7(2). This is a example of the ______ property of multiplication

Mathematics
2 answers:
Fantom [35]3 years ago
7 0

For this case we have that by definition, the distributive property of multiplication states that:

a (b + c) = ab + ac

So, if we have the following expression:

7 (8 + 2) = 7 * 8 + 7 * 2

Then, the example given is a case of distributive property of multiplication.

Answer:

Distributive property of multiplication

ryzh [129]3 years ago
6 0

Answer:

Distributive

Step-by-step explanation:

In any problem with a form of A(b+c) you are distributing the A to both b and c

As you can see in your example, you are distributing the 7 to both the 8 and the two

If you were to solve this problem the final answer would be 70

The property is Distributive

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7

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You can divide both 14 and 21 by seven and get a whole number.

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julsineya [31]

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3 years ago
What is the simplified form of 12z^2-7z-12/3z^2+2z-8? ...?
gavmur [86]
It should go like this:

(4z + 3) (3z - 4) / (3z - 4) (z + 2)

Then you just cancel out (3z -4) and (3z -4), and the final simplified form of this polynomial is:

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4 0
3 years ago
2
rusak2 [61]

Answer:

(1.13, 7.74) and (-4.13, 18.26)

Step-by-step explanation:

This can be solved in two ways:  mathematically and graphically.

<u>Graphing</u>

Plot both lines and find where they intersect.  See the attachment.

The intersection points are (1.13, 7.74) and (-4.13, 18.26)

<u>Mathematical</u>

y + 2x = 10

y = 10 - 2x

y = 3x² + 7x - 4

10 - 2x = 3x² + 7x - 4

3x² + 9x - 14 = 0

Solve this using the quadratic equation:

x = 1.13 and -4.13

Use these two values of x to find y:

y = 10 - 2x

y = 10 - 2(1.13)

y = 7.74

y = 10 -2x

y = 10 -2(-4.13)

y =  18.26

The two points are:

(1.13, 7.74) and (-4.13, 18.26)

7 0
2 years ago
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