3 years ago

Item marked price 900Rs and sold at 700. What is Discount percentage

Mathematics

1 answer:

iren2701 [21]3 years ago

3 0

I HOPE IT WILL HELP YOU.

SORRY IF IT IS WRONG .

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Will mark brainliest! Please help!

ValentinkaMS [17]

Answer:

The dimensions are:

$3(2x+1)$ by $(7x+5)$

Step-by-step explanation:

The area of the rectangle is given as

$A=42x^2+51x+15$

The factored form of this quadratic trinomial gives the dimensions of the rectangle.

We factor 3 first to obtain;

$A=3(14x^2+17x+5)$

We split the middle term to get;

$A=3(14x^2+10x+7x+5)$

We factor within the parenthesis to get;

$A=3(2x(7x+5)+1(7x+5))$

We factor further to get;

$A=3(2x+1)(7x+5)$

The dimensions are:

$3(2x+1)$ by $(7x+5)$

Then the perimeter will be

$2(6x+3+7x+5)=26x+16\:\:\:\boxed{\sqrt{} }$

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If you were to plot (10, -2) and (-3, 8), what two quadrants would you be in?

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Ten and negative 2 will be in q1 and negative 3 and 8 will be in q2

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