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avanturin [10]
3 years ago
11

(-7x + 6) - (-2x + 9x - 2)

Mathematics
1 answer:
elena-s [515]3 years ago
3 0

Answer:

-14x+4

Step-by-step explanation:

So the first set of paranthese don't really matter so you can rewrite it to this

-7+6-(-2x+9x-2)

Then  infront of the ( there is a - which means a -1. Now just do the disbutive property.

-7x+6+2x-9x+2

Now add like terms and you get your finial answer!

-14x+4

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dalvyx [7]

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it's telling you to replace x with -3.

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Elenna [48]

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3 years ago
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tigry1 [53]

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8 0
3 years ago
Find the volume of a pyramid with a square base, where the perimeter of the base is 16.9\text{ cm}16.9 cm and the height of the
worty [1.4K]

Answer:

Volume of square based pyramid = 116.62 cm³

Step-by-step explanation:

Given:

Perimeter of square base = 16.9 cm

Height of pyramid = 19.6 cm

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Volume of square based pyramid

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