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umka21 [38]
3 years ago
8

Can someone be helpful

Mathematics
2 answers:
Murrr4er [49]3 years ago
8 0

I would be happy to be helpful!

5 more than the sum of -1 and -12

lets start with the 2nd part, the sum of -1 and -12

sum means adding 2 things together, so -1 + -12 = <u>-13</u>

now lets work on the first part again, it said 5 MORE, more means add as well, so

-13 + 5 = -8

tia_tia [17]3 years ago
8 0

Given

"5 MORE than..." so we need to ADD 5, or "+5 " as the last step, so 3rd and fourth are out.

"the sum of -1 and -12" means we need to see the expression (-1)+(-12), so the second and third are out.

That leaves us with the first, let's check

5 more than the sum of -1 and -12

[-1 + (-12)]+5 => (sum of -1 and -12) add 5 to it......checks.

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When we know all 3 sides, we use Heron's Formula

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A rectangle with a length of L and a width of W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a funct
KatRina [158]
<h2>Answer:</h2>

The expression which represents the perimeter P of the rectangle as a function of L is:

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<h2>Step-by-step explanation:</h2>

The length and width of a rectangle are denoted by L and W respectively.

Also the diagonal of a rectangle is: 10 inches.

We know that the diagonal of a rectangle in terms of L and W are given by:

10=\sqrt{L^2+W^2}

( Since, the diagonal of a rectangle act as a hypotenuse of the right angled triangle and we use the Pythagorean Theorem )

Hence, we have:

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But we know that width can't be negative. It has to be greater than 0.

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