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sertanlavr [38]
3 years ago
8

Using distributive property to rewrite 2(x + 9)

Mathematics
2 answers:
zlopas [31]3 years ago
6 0
2(x + 9)
2*x + 2*9
2x + 18  ←  answer
Rasek [7]3 years ago
5 0
It's actually (2)(x)+18
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In an ordered pair, the y-coordinate tells you how far to move from the origin parallel to the______. X-axis/y-axis​
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Answer:

  y-axis

Step-by-step explanation:

The x-coordinate is the location of a point as measured along the x-axis. The y-coordinate is the location of a point as measured along the y-axis.

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Another way to describe the y-coordinate is that it <em>tells you how far to move from the origin parallel to the </em><em>y-axis</em>.

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3 years ago
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34kurt

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Bred has to paint a wall with 8 horizontal stripes. He has enough paint only for 5 blue, 5 red and 5 white stripes. If he can us
Kay [80]

Answer:

336

Step-by-step explanation:

Required Formulas:-

1. Number of ways to select x things out of n things = ⁿCₓ

2. Number of ways to arrange n things when a things and b things are similar = n!/(a!*b!)

Since we have to choose 8 colors and we are having 3 different colors, it is only possible when we select 2 different colors (e.g. 5 red and 3 blue). To find all possible ways we will have to find all unique arrangements of selected color.

Using formula (1), number of ways to select 2 colors out of given 3 colors = ³C₂ = 3

Using formula (2), finding all unique arrangements when 5 stripes are of one color and 3 stripes are of second color = 8!/(3!*5!) = 56

Suppose, we can choose 5 stripes from red color and 3 stripes from blue color or 5 strips from blue color and 3 strips from red color. So there are 2 possibilities of arranging every 2 colors we choose .

∴ Answer=3*56*2 = 336

6 0
3 years ago
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