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3 years ago

Which identity could be used to rewrite the expression x^4-100?

2 answers:

8 0

Given the polynomial of degree 4, this can be written as:
x^4-100
let
x^2=a
thus the expression can be written as:
a^2-100
this is a polynomial of degree 2 also known as quadratic equation.
Hence the answer is:
<span>A) Quadratic formula</span>

Llana [10]3 years ago

7 0

Answer: D: difference of squares (apex)

Step-by-step explanation:

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4 years ago

60 + 2а – 4 = 2b + За

Brrunno [24]

Answer:

56 - 2b = a

Step-by-step explanation:

Step 1:

60 + 2a - 4 = 2b + 3a

Step 2:

56 + 2a = 2b + 3a

Step 3:

56 = 2b + a

Answer:

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3 years ago

What is the measure of the smallest interior angle of the hexagon shown?

yan [13]

<h3>Answer: C) 70 degrees</h3>

=========================================================

Explanation:

We have n = 6 sides, so the interior angles must add to 180(n-2) = 180(6-2) = 720 degrees

Lets add up the angles, set the sum equal to 720 and solve for x

x+2x+115+2x+115+2x = 720

7x+230 = 720

7x = 720-230

7x = 490

x = 490/7

x = 70

This makes angle 2x = 2*70 = 140 degrees

We see that x = 70 is the smallest angle, so that's why C is the answer.

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3 years ago

Perpendicular lines have _____ _____ slopes. (2 word answer)

DerKrebs [107]

Answer:

negative reciprocal

Step-by-step explanation:

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4 years ago

Describe the location of the point having the following coordinates. negative abscissa, positive ordinate Answer Choices A).Quad

Andrei [34K]

The answer to this question is option B

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3 years ago