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3 years ago

13

If you need to divide 2/3 by 4/5 , why is it easier to use an equation than to use a model?

2 answers:

Marizza181 [45]3 years ago

6 0

Answer:

because you have to use the reciprocal of the second fraction you are dividing

Step-by-step explanation:

Olenka [21]3 years ago

4 0

Answer:

Its is quicker

Step-by-step explanation:

If you were to use a model you would have write the common denominator out instead of multiplying it. Then you would have to write the new numerator for each fraction to then write it down and divide it into other pieces of the model. the equation is much faster and overall easier to save time on a quiz or test

Hope this helps :)

Pls mark brainliest because I really need it

- mastmaster34

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5x+5y=-30 find the x and y intercept

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<em>The x and y intercept of 5x + 5y = -30 are (-6, 0) and (0, -6) respectively.</em>

<h2 /><h2>Explanation:</h2>

The Standard Form of the equation of a line is given by:

$Ax+By=C \\ \\ A,B,C \ Real \ Constants \ and \ A>0$

So:

$5x+5y=-30$

is written in Standard Form. The x and y intercepts are:

$x-intercept: \ (x,0) \\ \\ y-intercept: \ (0,y)$

So:

FOR X-INTERCEPT:

$Let's \ set: \\ y=0 \\ \\ 5x+5(0)=-30 \\ \\ Isolating \ x: \\ \\ 5x=-30 \\ \\ x=-\frac{30}{5} \\ \\ \boxed{x=-6}$

FOR Y-INTERCEPT:

$Let's \ set: \\ x=0 \\ \\ 5(0)+5y=-30 \\ \\ Isolating \ x: \\ \\ 5y=-30 \\ \\ y=-\frac{30}{5} \\ \\ \boxed{y=-6}$

Finally,<em> the x and y intercept of 5x + 5y = -30 are (-6, 0) and (0, -6) respectively.</em>

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

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