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2 years ago

How many constants are in the following expression? 7x + 4y - 5 + 4x Help

Mathematics

2 answers:

olya-2409 [2.1K]2 years ago

5 0

Answer:

There is only 1 constant

Step-by-step explanation:

the constant is -5 because it's alone without any variables

ad-work [718]2 years ago

3 0

Answer:

Step-by-step explanation:

-5 is a constant because its a number on its own without a variable

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A custom rectangular tabletop has a length that is twice it’s width, and the tabletop measures 76 inches on its diagonal. What a

Sunny_sXe [5.5K]

Answer:

<em>The dimensions of the tabletop: Length= 67.976... inches and Width= 33.988... inches and the perimeter will be 203.929... inches.</em>

Step-by-step explanation:

Suppose, the width of the rectangular tabletop is $x$ inch.

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<u>Formula for length of diagonal of rectangle</u>: $d=\sqrt{l^2+w^2}$

So, the equation will be..........

$76=\sqrt{(2x)^2+ x^2}\\ \\ 76=\sqrt{4x^2+x^2} \\ \\ 76=\sqrt{5x^2} \\ \\ 5x^2= 76^2= 5776\\ \\ x^2= \frac{5776}{5}=1155.2 \\ \\ x= \sqrt{1155.2} =33.988...$

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