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4 years ago

1/56 divided by -30 write fractions is simplest form

Mathematics

1 answer:

Nady [450]4 years ago

4 0

Simplified form of 1/56 divided by -30 is $=-\frac{1}{1680}$

Step-by-step explanation:

We need to solve 1/56 divided by -30 in simplest form.

Solving:

Writing in mathematical form:

$\frac{1}{56}\div -30$

Converting division symbol into multiplication and taking reciprocal of -30

$=\frac{1}{56}\times \frac{1}{-30}$

Simplifying:

$=\frac{1}{56*-30}$

$=-\frac{1}{1680}$

So, simplified form of 1/56 divided by -30 is $=-\frac{1}{1680}$

Keywords: Solving Fractions

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Answer:

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Step-by-step explanation:

We are given:

$x^2=18x+y\qquad\qquad[1]$

$y^2=18y+x\qquad\qquad[2]$

Subtracting [1] and [2]:

$x^2-y^2=18x+y-(18y+x)$

Operating:

$x^2-y^2=18x+y-18y-x$

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$x^2-y^2=(x-y)(x+y)$

Substituting:

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Rearranging:

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Dividing by x-y (recall x≠y):

$x+y=18-1=17$

$x+y=17\qquad[3]$

Now we add [1] and [2]:

$x^2+y^2=18x+y+18y+x$

Rearranging:

$x^2+y^2=18x+18y+x+y$

$x^2+y^2=18(x+y)+(x+y)$

$x^2+y^2=19(x+y)$

Substituting from [3]

$x^2+y^2=19*17=323$

Adding 1:

$x^2+y^2+1=324$

Taking the square root:

$\sqrt{x^2+y^2+1}=\sqrt{324}=18$

Thus:

$\mathbf{\sqrt{x^2+y^2+1}=18}$

3 0

3 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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