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pentagon [3]
3 years ago
14

Which of the following represents the factorization of the binomial below?

Mathematics
1 answer:
Serggg [28]3 years ago
4 0

Answer:

D

Step-by-step explanation:

x² - 81 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b)

Here a = x and b = 9, thus

x² - 81 = (x + 9)(x - 9) → D

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B) Here are the first four terms of another sequence.
Masteriza [31]

Answer:

Tn = 4n+3

Step-by-step explanation:

It is an Arithmetic Sequence

a=7

d=11-7 =4

Tn= a+(n-1)d

= 7+(n-1)4

= 7+4n-4

= 4n+3

5 0
2 years ago
Geometry, dont need explanation. Just those 3 questions.
Aloiza [94]

Answer:

1. B

2. A

3. C

Step-by-step explanation:

6 0
2 years ago
Add or subtract each expression.Simplify your final answer show all work.
Elan Coil [88]
1) 2x-1 or x=1/2
2) 5a-16 or a=16/5
8 0
3 years ago
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andrew-mc [135]

Answer:

$19.20

Step-by-step explanation:

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5 0
3 years ago
With the air conditioner on, the electric bill was $303. With the air conditioner off, the bill was $194. What was the differenc
professor190 [17]

Answer:

<em>$</em><em>1</em><em>0</em><em>9</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>difference</em><em> </em><em>between</em><em> </em><em>both</em><em> </em><em>the</em><em> </em><em>bills</em>

Step-by-step explanation:

<em>Difference</em><em> </em><em>=</em><em>$</em><em>(</em><em>3</em><em>0</em><em>3</em><em>-</em><em>1</em><em>9</em><em>4</em><em>)</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>$</em><em>1</em><em>0</em><em>9</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em>

6 0
3 years ago
Read 2 more answers
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