3 years ago

Are these lines parallel,perpendicular or neither ? Y=(-4/3)xt18y=(4/3)x-6

Mathematics

1 answer:

larisa86 [58]3 years ago

3 0

Answer:

neither

Step-by-step explanation:

when slopes are the same its parallel

when slopes are multiplied and it equals -1 they are perpendicular

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4 years ago

A rectangular brick has a length of 5 centimeters, a width of 9 centimeters and a height of 20 centimeters.What is the surface a

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ANSWER
The surface area of the brick is;

$650 \: {cm}^{2}$

EXPLANATION

The dimensions of the rectangular brick are

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$w = 9cm$
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The total surface area of a rectangular brick is given by,

$T.S.A = 2(lw + lh + hw)$

We substitute the values into the formula to obtain,

$T.S.A = 2(5 \times 9 + 5 \times 20 + 9 \times 20)$

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3 years ago