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Taya2010 [7]
2 years ago
5

PLEASE SOMEONE HELP ANWSER FOR 23 PTS

Mathematics
1 answer:
SVEN [57.7K]2 years ago
4 0
I’m sorry but I don’t understand what you need help with ?
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Which of the following numbers are irrational? Check screenshot.
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d

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i think it's d because it's negative

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Which of the following equations represents a quadratic relation?
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y=2x^2+1

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Select the sum of the series. ∑4k=1k2
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3 years ago
Help with my homework pls<br> Solve the compound inequality y + 7 ≥ –1 and y∕4 + 3 ≤ 5.
Marianna [84]

Answer:

  -8 ≤ y ≤ 8

Step-by-step explanation:

Subtract 7 from the first one:

  y ≥ -8

Subtract 3 from the second one, then multiply by 4.

  y/4 ≤ 2

  y ≤ 8

Now, you can write these as a compound inequality:

  -8 ≤ y ≤ 8

_____

<em>Additional comment</em>

You basically solve these the same way you would an equation. The only difference is that multiplying or dividing by a negative number will reverse the inequality symbol:

  2 > 1

  -2 < -1 . . . . . multiplied above by -1.

8 0
2 years ago
In this figure, AB¯¯¯¯¯∥CD¯¯¯¯¯ and m∠4=85°.
Stolb23 [73]

AB∥CD and m∠4=85°.

so

<1 = 180° - 85°

<1 = 95°

Because AB∥CD so <5 = <1 = 95° (corresponding angles are equal)

Answer

<5 = 95°

5 0
3 years ago
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