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Finger [1]
3 years ago
12

Is 2.45454545454545... a rational or irrational number

Mathematics
2 answers:
pshichka [43]3 years ago
5 0

Answer:

Yes, a repeating decimal is considered a rational number because it can be written as a fraction, so it is rational.

Step-by-step explanation:

geniusboy [140]3 years ago
4 0

Answer:

Step-by-step explanation:

Well if that’s the whole answer than it’s fine but i’m sure you don’t want to write that out so just round it to 2

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3x+1=2x+4+x
             3x
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i think that would be your anser
8 0
3 years ago
Read 2 more answers
22. Determine the value of c so that the line
tiny-mole [99]

Answer:

If the lines BC and DE are parallel, the value of c is c=-2

Step-by-step explanation:

We are given line segment BC with end points B(2, 2) and C(9,6) and line segment DE with endpoints  D(c, -7) and E(5, -3).

Using slope formula: Slope=\frac{y_2-y_1}{x_2-x_1} we can find point c

When 2 lines are parallel there slope is same.

So, Slope of line BC =Slope of Line DE

\frac{y_2-y_1}{x_2-x_1}=\frac{y_2-y_1}{x_2-x_1}

We have:

x_1=2, y_1=2, x_2=9, y_2=6 \ for \ line \ BC \ and \\\x_1=c, y_1=-7, x_2=5, y_2=-3 \ for \ line \ DE \

Putting values and finding c

\frac{6-2}{9-2}=\frac{-3-(-7)}{5-c}\\ \frac{4}{7}=\frac{-3+7}{5-c} \\ \frac{4}{7}=\frac{4}{5-c} \\Cross \ multiply:\\4(5-c)=4*7\\20-4c=28\\-4c=28-20\\-4c=8\\c=\frac{8}{-4}\\c=-2

So, If the lines BC and DE are parallel, the value of c is c=-2

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Step-by-step explanation:

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Step-by-step explanation:

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