3 years ago

What is 42 equals 7k

Mathematics

1 answer:

elixir [45]3 years ago

7 0

Answer:

$k=6$

Step-by-step explanation:

42 ÷ 7 = 6

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Answer:

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8 x (-1/2) x 5= -20

Step-by-step explanation:

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B = (4,6)

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sleet_krkn [62]

Answer:

$x^2-10x+31$

Step-by-step explanation:

$y=\sqrt{x-6}+5$

$x=\sqrt{y-6}+5$

$\sqrt{y-6}+5=x$

$\sqrt{y-6}+5-5=x-5$

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$y-6+6=x^2-10x+25+6$

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Bryan has a square parcel of land that is 120 yards long and 120 yards wide. The land is planted with Bermuda grass and surround

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You are basically finding the hypotenuse of a triangle with side lengths of 120 yards and 120 yards.
Using the equation a^2 + b^2 = c^2, solve for c (hypotenuse) where a and b are the side lengths (120 yards).

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square root(a^2 + b^2) = c
square root (120^2 + 120^2) = c
square root (120^2 + 120^2) = c
square root (14400 + 14400) =c
square root (28800) = 169.7, rounded up to 170 yards of fencing needed.

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4 years ago

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