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3 years ago

2 (x+3)is equivalent to 2x+3

2 answers:

6 0

2(x+3) is not equivalent to 2x+3 because the answer for 2(x+3) equals 2x+6 because you have to multiply everything in the parentheses by 2. Hope this helps you and have an amazing day!

malfutka [58]3 years ago

5 0

false, 2(x+3) does not equal 2x+3

2(x+3) = 2x+3
2x+6 = 2x+3
6≠3

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Viktor [21]

Answer:

1. 52.63% 2. 47.36%

Step-by-step explanation:

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2 years ago

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3 years ago

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Find the equation of the line that is perpendicular to y=-2x+1 and contains the point (8, 2).

AleksAgata [21]

Answer:

y = 1/2x - 2

Step-by-step explanation:

In order for a line to be perpendicular to another, the lines must have opposite reciprocal slopes.

Example of an opposite reciprocal slope: -2 ⇒ 1/2

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3 years ago

Find the 25th term of the arithmetic sequence whose common difference is d=5 and whose first term is a1 = 3 .

Maru [420]

$\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\[-0.5em] \hrulefill\\ a_1 = 3\\ d= 5\\ n = 25 \end{cases} \implies a_{25} = 3+(25-1)5 \\\\\\ a_{25} = 3+(24)5\implies a_{25} = 3+120\implies a_{25} = 123$

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4 years ago