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12345 [234]
3 years ago
6

What is the domain of this relation? (9, 8) (-15, 20) (5, -4) (5, 8) Write the numbers in the domain with commas between them (f

or example, {1, 2, 3}). Domain: { }
Mathematics
1 answer:
MAXImum [283]3 years ago
5 0

Answer:

Domain: {-15, 5, 9}

Step-by-step explanation:

A relation is a set of ordered pairs in the form of (x, y) that can be plotted in a coordinate plane.  The Domain of a relation is the set of all the x-values represented in the set of given ordered pairs.  In the set of four ordered pairs given there are four x-values in each pair:  9, -15, 5 and 5.  When we identify the domain, we put the values in order from least to greatest and if a number repeats, in this case 5, we only need to include it once.  This gives us the final set of {-15, 5, 9}.

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Determine whether the pair of equations represent parallel lines, perpendicular lines, or neither.
Ivahew [28]

Answer:

Parallel

Step-by-step explanation:

Parallel lines have the same slope but different y-intercepts. If you multiply the top equation by 2, you get:

2(12x + 4y = 16)

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This shows that both lines have the same slope, but then you find the y-intercepts, they are different:

1st equation y-int = 4

2nd equation y-int = 9/2 or 4.5

6 0
4 years ago
Which of the following shows a reflection of the triangle over the horizontal axis?
Ne4ueva [31]

Answer:

I think the first one is the answer

7 0
3 years ago
Simplify 6 to the fifth power over 7 to the third power answer to the second power .
liq [111]
I think it may be (6/7)^2
3 0
4 years ago
Can someone explain for me.
zhannawk [14.2K]

Answer:

A=2πrh+2πr2 this is the formula you'll need to answer your question!

Step-by-step explanation:

so what you'll do is basically just follow the formula above and fill in the numbers where they need to be.

The two numbers you need to fill in is r which is your radius, which in this case would be 6.

And h which is the height which is 9.

So the total formula now would be, A= 2xπ6x9+2xπx6x2

So your answer would be 565.49 cm or 565 pi cm (this depends on how your teacher wants you to write it.)

Hope this helps at all!!

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2 years ago
Carolyn's house is 15 miles south of Ben's
Jlenok [28]

Answer:

17

Step-by-step explanation:

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