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3 years ago

Find x - y subtracted from 0

2 answers:

alexandr1967 [171]3 years ago

6 0

The expression you want to simplify is 0-(x-y).
0-(x-y)
=-(x-y)
=-x+y

You just have to treat the negative sign in front of (x-y) as a -1 and distribute it to both x and -y.

Gwar [14]3 years ago

5 0

Answer:

0-(x-y)

Step-by-step explanation:

find x - y subtracted from 0

For example , if a is subtracted from b then we write b-a

We subtract the first number from second number

5 subtract from 10 is written as 10-5

To write expression x-y subtracted from 0

We write 0-(x-y)

it means x-y is subtracted from 0

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A rectangle has a width that is 5 feet less than the length. The area of the rectangle is 126 square feet. Find the dimensions o

mr_godi [17]

Given:

A rectangle has a width that is 5 feet less than the length. The area of the rectangle is 126 square feet

$\\$

❍Let's assume, Length of rectangle x feet and width of the rectangle x - 5 feet respectively.

$\\$

To calculate the dimensions of the rectangle we will use the formula of Area of rectangle:

$\\$

$\: \: \: \: \: \: \: { \underline{ \boxed{ \pmb{ \frak{ Area_{(rectangle)} = Length \times width }}}}} \\ \\$

$\\$

$\underline {\sf{Substituting \: the \: values~ in~ above~formula: }} \\$

$\\$

$: \implies \sf \:x \times (x - 5) = 126 \\ \\ \\ : \implies \sf \:x^2 - 5x = 126 \\ \\ \\ : \implies \sf \:x^2 - 5x - 126 = 0 \\ \\ \\ : \implies \sf \:x^2 - 14x - 9x - 126 = 0 \\ \\ \\ : \implies \sf \:x (x - 14) - 9 (x + 14) = 0 \\ \\ \\ : \implies \sf \:(x - 14)(x - 9) = 0 \\ \\ \\ : \implies { \boxed { \purple{\pmb { \: x = 14 \: \: or \: \: x = -9}}} } \\ \\ \\$

We know that side can't be negative. So, x = 14 feet

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Width of rectangle = x - 5 = 9 feet
Length of rectangle = x = 14 feet

$\\$

$\\ { \underline{ \pmb{ \frak{\therefore Dimensions \: of \: rectangle \: are \: 9~ feet \: and \: 14 ~feet \: }}}}$

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3 years ago

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