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malfutka [58]
3 years ago
6

Simply -3(8 – 4x) +6

Mathematics
2 answers:
Ratling [72]3 years ago
8 0

-3(8-4x)+6

mutiply the bracket by -3

(-3)(8)= -24

(-3)(-4x)= 12x

-24+12x+6

-24+6+12x

answer:

-18+12x or 12x-18

Korvikt [17]3 years ago
6 0

Answer:

- 24 + 12x + 6 \\  = 12x - 18

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2x+3y=1 and y=-2 - 9 solve using linear combination method. Please explain steps.
kaheart [24]

Answer:

x=17

Step-by-step explanation:

2x+3y=1

y=-2-9

  • In order to combine these two equations, an idea you need to keep in mind is finding a way of setting these equations as equal to each other. I saw that each equation shared a common value, y. In this case, we need to isolate y in the first equation so that both equations =y.

2x+3y=1

3y=-2x+1

\frac{3y}{3}=\frac{-2x+1}{3}

y=-\frac{2}{3}x+\frac{1}{3}

  • With this, we now know that both -2-9 and -\frac{2}{3}x+\frac{1}{3} are equal to y, so we can set them equal to each other.

y=-\frac{2}{3}x+\frac{1}{3}

y=-11

-\frac{2}{3}x+\frac{1}{3}=-11

  • Reply to this if anything I'm saying or doing is confusing in any way, or if you find a mistake. :) Solve for x.

-\frac{2}{3}x+\frac{1}{3}=-11

-\frac{2}{3}x=-11-\frac{1}{3}

-\frac{2}{3}x =-\frac{33}{3}-\frac{1}{3}

-\frac{2}{3}x =-\frac{34}{3}

-\frac{2}{3}x(-\frac{3}{2})=-\frac{34}{3}(-\frac{3}{2})

x=\frac{102}{6}=17

x=17

  • Hopefully this answer is correct AND makes sense in terms of how I achieved it. Again, reply to this with any questions or mistakes I made and I'll do my best to answer or fix them.

 

4 0
3 years ago
Help me please it would help
Alex73 [517]

Answer:

2.) 11(17/21)

3.) -18(3/5)

4.) -28

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Rounded 7,499,846 rounded to the nearest 10,000
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

x³ - (3 + x)²

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3 years ago
Which distribution has the greatest spread?
labwork [276]

Answer:

C. Distribution 3

Step-by-step explanation:

The more spread out a data distribution is, the greater its standard deviation.

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