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lys-0071 [83]
3 years ago
10

MARKING BRAINLIEST What is the simplest form of the expression 1/2(10x - 6y - 8x)

Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

Collect like terms

1/2((10x - 8x) - 6y)

Simplify (10x - 8x) - 6y to 2x - 6y

1/2(2x - 6y)

Simplify 2x - 6y/2

2x - 6y/2

Factor out the common term 2

2(x - 3y)/2

Cancel 2

<u>Answer: D. x - 3y</u>

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Multiply the following complex numbers: (-7+ ) and ( + i). Show all work and explain the steps you are taking in the work.
notka56 [123]

Answer:

Step-by-step explanation:

in complex number land there are two distict parts real.. the first number and imaginary.. the second number with the i

if your problem really only has a 7 and an i in it.. then it looks like below

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8 0
2 years ago
Solve x≤0 and x≥−4 and write the solution in interval notation. If there is no solution, type ∅.
xxTIMURxx [149]

The answer is (-∞.∞).

Draw out a number line. Plot 0 and -4 on the number line.

Shade to the left of x = 0, and have a filled in circle at the endpoint. This is the graph of x≤0

Then graph x ≥−4 by plotting a filled in circle at -4, and shading to the right.

Note how the two graphs overlap to cover the entire real number line

So if we have x≤0  or  x≥−4 then we're basically saying x is any real number. To write this in interval notation, we write (−∞,∞)

This is the interval from negative infinity to positive infinity (or just infinity). We exclude each endpoint because we can't actually reach infinity itself. Infinity is not a number. Infinity is a concept

Side note: if you change the "or" to "and", then the solution to x≤0  and  x≥−4 would be [-4, 0][−4,0] to indicate the interval from x = -4 to x = 0, including both endpoints. This is the region where the two graphs overlap.

To know more about graphs

visit-:brainly.com/question/10712002

SPJ9

5 0
1 year ago
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