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Arturiano [62]
3 years ago
9

Domain of {(-5, 4), (-4, -1), (-2, 1), (0, 4), (1,3)}

Mathematics
1 answer:
kkurt [141]3 years ago
5 0

Answer:

  {-5, -4, -2, 0, 1}

Step-by-step explanation:

The domain is the list of first numbers of the ordered pairs. That list is shown above.

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What is the value of y in this system of equations?
mote1985 [20]

Answer:

-21

Step-by-step explanation:

-6x + 2y = -18.........(i)

-3x - 2y = 54...........(ii)

add equ.(ii) to equ. (i)

(-6x + [-3x]) + (2y + [-2y]) = -18 + 54

-9x = 36

x = -4

sub x= -4 into equ (i)

-6(-4) +2y = -18

24 + 2y = -18

24 +18 = -2y

42 = -2y

y = -21

5 0
3 years ago
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Describe the pattern in the numbers. Write the next number in the pattern. 1, 2/3, 1/3, 0
olga2289 [7]

Answer:

-1/3

Step-by-step explanation:

its subtracting 1/3 every time

6 0
3 years ago
Which of the following best describes the perpendicular lines?
AysviL [449]

Answer:

A perpendicular line is a line that meets a 90 degree angle.

Step-by-step explanation:

Think of the letter L

the top stick of the letter is perpendicular to the bottom stick and it makes a 90 degree angle.

Thats the best way I can explain it.

Hope this helps and please mark me brainliest if it did :)

8 0
3 years ago
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<img src="https://tex.z-dn.net/?f=10%20-%206v%20%3D%20" id="TexFormula1" title="10 - 6v = " alt="10 - 6v = " align="absmiddle" c
MariettaO [177]
4v
You would subtract 10-6
Then you would add the v
6 0
3 years ago
What is the least possible degree of a polynomial that has roots -5, 1+4i, and -4i
N76 [4]
If complex coefficients are allowed, the answer is 3.

If the polynomial must have real coefficients, then each complex root comes as a pair of complex conjugate roots.

Root -5 is real, so that is 1 root, and degree 1.

Root 1 + 4i is complex, so it must come with its complex conjugate, 1 - 4i. This adds 2 roots to the polynomial, and now we're up to degree 3.

Root -4i is also complex. It also must come with its complex conjugate, 4i. That adds two more roots, and the degree is 5.

Answer: The least possible degree is 5 with real coefficients.
3 0
3 years ago
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