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zheka24 [161]
3 years ago
13

5) 5n2 + 10n + 20how do you solve this? ​

Mathematics
2 answers:
lakkis [162]3 years ago
8 0

use a calc

Step-by-step explanation:

Bas_tet [7]3 years ago
7 0

Answer: 5(n2+2n+4)

Step-by-step explanation: hope this help

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Please help due tonight
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Given that Triangle ABC such that<br>a=8cm, b=7cm and c=9cm<br>tem and c= 9cm find Cos B​
charle [14.2K]

Answer:

We use cosine rule also called cosine law which states

c^2=a^2+b^2-2abcosC

given

a=8cm, b=7cm, c=9cm cos C?

9^2=8^+7^2-2*8*7 cos C

expand

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like terms together

81-113=-112 cos C

-32=-112cos C

multiply both sides by -1

32=112cos C

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4 0
3 years ago
Write the Rational Expression in simplest form. <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E2-x-6%7D%7B24-5x-x%5E2%7D" id="T
Liula [17]

Answer:

-(x+2)/(x+8)

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( x^2 -x-6)

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24 - 5x -x^2

Factor out a minus sign from the denominator

( x^2 -x-6)

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Factor the numerators and the denominators

( x-3) (x+2)

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Cancel like terms

  x+2

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4 0
3 years ago
Which is the graph of a logarithmic function?
adelina 88 [10]

Answer:

Answer is the first choice.

Step-by-step explanation:

A logarithmic graph is the opposite of an exponential growth graph, so the first option is the only one that fits. Just took the test and the first choice is correct.

6 0
2 years ago
Read 2 more answers
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