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sveta [45]
3 years ago
6

Please write down and show every step in your work.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
4 0

Answer:

-2 + 9i

Step-by-step explanation:

Start by performing the multiplication 4i(2i):  the end result is -8.

Then we have 6 + 9i - 8.

Combining ilke terms, we get:

-2 + 9i

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What is the domain of the set of ordered pairs?
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Answer:

<h2>D. {-4, 1, 0, 2, 7}</h2>

Step-, by-step explanation:

For any order pairs (x, y), x is an element of a Domain and y is an element of a Range.

For {(7, -3); (-4, 2); (-1, 0); (2, -4); (0, -6)}

the set {7; -4, -1, 2, 0} is a Domain.

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4 years ago
A horizontal line goes through the point (–7,10).
andrey2020 [161]

Answer:

The slope of the line is zero

Another point on the line is (3,10).

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Step-by-step explanation:

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Jacob has 96 books to stack in library shelves. each shelf can hold 9 books. how many shelves will he need to stack all the book
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3x+2y=8
2y=-3x+8
y=(-3/2)x+4
The slope of the line that is perpendicular to this is 2/3
The perpendicular line passes through the y-intercept of this line, which is 4
The equation of the perpendicular line is:
y= (2/3)x+4
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