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3 years ago

Find the perimeter and area of the figure:

Mathematics

2 answers:

blagie [28]3 years ago

6 0

Answer:

The primeter is 12 inches

The area is 9 square inches

Step-by-step explanation:

The area of a square is calculated by multiplying side length by itself (all four side lengths would be same for square)

so the area is 3 × 3 = 9 square inches

The primeter is calculated by multiplying side length by 4

so the primeter is 4 × 3 = 12 square inches

erastova [34]3 years ago

3 0

The perimeter is 12 and the area is 9

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If a spring is oscillating (moving) according to the velocity equation v(t) = 2sin(t) (in ft/s), then what is its displacement o

Feliz [49]

ANSWER

4 ft

EXPLANATION

The velocity equation of the oscillating spring is given by the function.

$v(t)=2 \sin(t) \: \: {ms}^{ - 1}$

To find the displacement function, we need to to Integrate the velocity function.

$s(t) = \int \: 2 \sin(t) dt$

$s(t) = - 2 \cos(t) + k$

At time t=0, there was no displacement.

This implies that,

$s(0) = 0$

$0= - 2 \cos(0) + k$

$0= - 2 + k$

$k = 2$

The displacement function then becomes,

$s(t) = - 2 \cos(t) + 2$

To find the displacement over the first π seconds, we put

$t = \pi$

into the equation for the displacement to get,

$s(\pi) = - 2 \cos(\pi) + 2$

$s(\pi) = - 2 ( - 1) + 2$

$s(\pi) = 2 + 2 =4 ft$

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3 years ago

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In-s [12.5K]

Answer:

1,000

Step-by-step explanation:

200 divided by 14=14.285

14.285 times 70 equals 1000

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