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Alinara [238K]
3 years ago
10

The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)}

Mathematics
1 answer:
Oxana [17]3 years ago
8 0
I think the rang numbers are -2 , 2 , -4 , and 2. i hope that correct.
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How do you write an expression for Z cubed?
melomori [17]

Answer:

z^3

Step-by-step explanation:

Z cubed is Z X Z X Z = Z^3

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3 years ago
Please help me<br><br><br> Simplify.<br><br> 3(x + 4)
valentinak56 [21]
Distribute the 3.

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Hope this helps :)
8 0
3 years ago
Please help and please make sure it’s right
slamgirl [31]

Answer:

135 degrees

Step-by-step explanation:

all the angles in a triangle need to add to 180 degrees, so you take

180-(65+70)= 45

Then you just find the supplementary angle

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4 0
2 years ago
Noah and Lin are each trying to solve the equation x² - 6x + 10 = 0. They know that the solutions to x² = - 1 are i and -i, but
Leviafan [203]

Answer:

Solving the equation x^2 - 6x + 10 = 0 we get x=3+i \ , \ x=3-i

Step-by-step explanation:

Noah's step to solve the equation x^2 - 6x + 10 = 0 are:

x^2 - 6x + 10 = 0\\x^2 - 6x = -10\\x^2 - 6x + 9 = -10 + 9\\(x-3)^2 = -1

The next step is to take square root on both sides because: \sqrt{x^2}=x

\sqrt{(x-3)^2}=\sqrt{-1}  \\x-3=\pm\sqrt{-1} \\x=\pm(\sqrt{-1})+3 \\

Now, we know that: \sqrt{-1}=i

x=\pm(i)+3\\x=3+i \ , \ x=3-i

So, Solving the equation x^2 - 6x + 10 = 0 we get x=3+i \ , \ x=3-i

8 0
3 years ago
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