2 years ago

Checkpoint: Name 3 coterminal angles a. 20° b. -134° c. 657°

Mathematics

1 answer:

Orlov [11]2 years ago

4 0

Answer:

Step-by-step explanation:

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Which of the following shows that polynomials are closed under subtraction when polynomial x + 5 is subtracted from 3x2 + 2x − 6

Art [367]

For this case we have the following polynomials:
$P = 3x ^ 2 + 2x - 6

Q = x + 5$
By subtracting both polynomials we have:
$P - Q = (3x ^ 2 + 2x - 6) - (x + 5)
$
What we must do is subtract terms of the same degree.
We have then:
$P - Q = 3x ^ 2 + (2x - x) + (-6 - 5)

P - Q = 3x ^ 2 + x - 11$
Answer:
$3x ^ 2 + x - 11$ will be a polynomial

3 0

3 years ago

Solve for x. –4.5(x – 8.9) = 12.6 OVEC Enter your answer, as a decimal, in the box.

Gnoma [55]

Step-by-step explanation:

just take -4.5 the right side