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4 years ago

Find a comman denominator 3/4 ,1/9 and 13/3

Mathematics

1 answer:

MrRa [10]4 years ago

8 0

Answer:

The least common denominator is 36. The new fractions with that denominator are:

156/36 , 4/36 , 27/36

Step-by-step explanation:

The common denominator means that all three values share the same denominator. 9 is divisible by three, so any denominator that is divisible by 9 will also be divisible by 3.

Therefore, to find the common denominator, multiple 9x4 = 36.

36/3 = 12, therefor 13*12 = 156.

36/9 = 4, therefore 1*4 = 4.

36/4 = 9, therefore 9*3 = 27.

The new fractions with the least common denominator are:

156/36 , 4/36 , 27/36

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Read 2 more answers

This table gives a few (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis pairs of a line in the coordinate plane. -28 -

Serhud [2]

Answer:

The y-intercept is y = 2

Step-by-step explanation:

A linear function has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept, which is the value of y when x = 0.

We are given these three points:

(-28, -54)

(-21, -40)

(-14, -26)

We use two of them to build a system, to find values for m and b.

(-28, -54)

This means that when $x = -28, y = -54$

$y = mx + b$

$-54 = -28m + b$

$28m = b + 54$

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(-21, -40)

This means that when $x = -21, y = -40$

$y = mx + b$

$-40 = -21m + b$

$-40 = -21\frac{b + 54}{28} + b$

$-40 = \frac{-21b - 1134 + 28b}{28}$

$7b - 1134 = -40*28$

$7b = 14$

$b = \frac{14}{7}$

$b = 2$

The y-intercept is y = 2

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Find a comman denominator 3/4 ,1/9 and 13/3​

Find a comman denominator 3/4 ,1/9 and 13/3