4 years ago

when the length of a rectangle is 5 and the width of it is x - 2 what are two expression to represent the perimeter

Mathematics

1 answer:

Jet001 [13]4 years ago

3 0

Answer:Perimeter=5*2+2*(x-2)

Step-by-step explanation:

Because perimeter =2*length+2*width

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3 years ago

Vector u has a magnitude of 4 with a direction of 50°. Vector v has a magnitude of 6 with

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Answer: <8.01, 5.60>.

Step-by-step explanation:

Vector:

$v= (r\cos\theta,r\sin\theta)$

, where r = magnitude and $\theta$ = angle .

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$u=(4\cos 50^{\circ}, 4\sin 50^{\circ})\\\\\approx(4(0.64),4(0.77))\\\\=(2.56, 3.08)$

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Consider

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Hence, the correct option is <8.01, 5.60>.

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Answer:

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I'm sorry if im wrong

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