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Citrus2011 [14]
3 years ago
14

Please help me

Mathematics
2 answers:
bazaltina [42]3 years ago
6 0

Question-


multiply   -----    (4x^2+7x)(5x^2-3x)


A. 20^4+23x^3-21x^2


B. 20x^4+35x^2-21x


C. 20x^4+35x^3-21x^2


D. 20x^4+23x^2-21x


Answer-

A. 20^4+23x^3-21x^2


Hope i helped have a wonderful day...

Sphinxa [80]3 years ago
4 0

Answer:

A. 20^4+23x^3-21x^2

Step-by-step explanation:

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General term for -13, -11, -9, -7
timurjin [86]

The general term for the arithmetic sequence; -13, -11, -9, -7 is Tn = -15 - 2n.

<h3>Arithmetic progression</h3>

-13, -11, -9, -7

  • First term, a = -13
  • Second term = -11

Common difference, d = Second term - first term

= -11 - (-13)

= -11 + 13

= 2

Therefore,

Tn = a + (n - 1)d

Where,

  • n = number of terms

Tn = a + (n - 1)d

= -13 + (n - 1)2

= -13 - 2n - 2

Tn = -15 - 2n

So therefore, the general term for the arithmetic sequence; -13, -11, -9, -7 is Tn = -15 - 2n.

Learn more about arithmetic progression:

brainly.com/question/6561461

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