2 years ago

Need help, please explain

Mathematics

1 answer:

Sever21 [200]2 years ago

7 0

Answer:

(x - 2)(x + 2)

Step-by-step explanation:

x² - 4 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), that is a product of two binomials

Given

x² - 4

= x² - 2²

= (x - 2)(x + 2)

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Mars2501 [29]

Answer:

1,4

Step-by-step explanation:

The anwser is 1,4

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2 years ago

What is the perimeter and area of the figure?

Rudiy27

Perimeter is the sum of all outside dimensions:

5 + 3 + 1 + 2 + 4 + 5 = 20cm

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2 years ago

Simplify 16^x = 0.5

Greeley [361]

Answer:

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Step-by-step explanation:

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2 years ago

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Mademuasel [1]

Answer:

y = -3x + 21

Step-by-step explanation:

(5,6)

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2 years ago

The denominator of a rational number is greater than its numerator by 5. If 5 is subtracted from the numerator and 4 is added to

nasty-shy [4]

Answer:

7/12.

Step-by-step explanation:

=x/x+5.

x-5/x+5+4=⅛

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x=7

thus the initial fraction is x/x+5= 7/12

A rational number is a fraction

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3 years ago