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Varvara68 [4.7K]
3 years ago
11

Given the following velocity functions of an object moving along a line, find the position function with the given initial posit

ion v(t)=2t+4
Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0

Answer:

The position of the particle as a function of times is given by

x(t)=t^{2}+2t+x(o)  where x(0) is the position of the particle at t = 0 secs.

Step-by-step explanation:

Give that

v(t)=2t+4

we know that

v(t)=\frac{dx(t)}{dt}\\\\\therefore dx(t)=v(t)dt\\\\\int dx(t)=\int v(t)dt\\\\x(t)=\int v(t)dt

Applying values we get

x(t)=\int (2t+4)dt\\\\x(t)=\int 2tdt+\int 4dt\\\\x(t)=\frac{2t^{2}}{2}+4t+c

here 'c' is the constant of integration which represents the position of the particle at time t = 0 secs.

Thus we have

x(t)=t^{2}+2t+x(o)

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12-y=2x-5 in slope-intercept form
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Answer: y = -2x + 7  

Step-by-step explanation:

Slope intercept form is the same as solving for y in the equation .

So solve for y and it will be in slope intercept form.

12 - y = 2x + 5   Subtract 12 from both sides

-12             -12

-y = 2x  -7      Now divide both sides by -1

y = -2x + 7

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Define a variable , write an inequality , and solve the problem:
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Step-by-step explanation:

n-4\le 8\\ \\ n\le 12

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An experimenter records the results of a large sample survey on a histogram. Outcomes that lie far outside standard deviations o
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3 years ago
The parallelograms have a combined area of 3 1/7 square yards. The height of each parallelogram is 1 2/7 yards. How long is the
Naily [24]

Answer:

a) How long is the base of each parallelogram?

1 2/9 yards.

b) What is the area of the smallest rectangle of wall that the mirror could fit on?

3 Square yards

Step-by-step explanation:

The parallelograms have a combined area of 3 1/7 square yards. The height of each parallelogram is 1 2/7 yards.

Step 1

We find the area of each of the parallelogram

This is calculated as:

Combined area of the parallelograms ÷ 2

= 3 1/7 square yards ÷ 2

= 22/7 square yards ÷ 2

= 22/7 square yards × 1/2

= 11/7 square yards

= 1 4/7 square yards.

Step 2

How long is the base of each parallelogram?

The height of each parallelogram is 1 2/7 yards.

Area of parallelogram = Base × Height

Base of each parallelogram = Area of each parallelogram/Height of each parallelogram

= 1 4/7 square yards ÷ 1 2/7 yards

= 11/7 square yards ÷ 9/7 yards

= 11/7 square yards × 7/9 yards

= 11/9 yards

= 1 2/9 yards.

Step 3

What is the area of the smallest rectangle of wall that the mirror could fit on?

Area of a rectangle = Length × Width

Length =(Base of parallelogram × 2)

Width = Base of parallelogram = 1 2/9 yards = 11/9 yards

Length = 1 2/9 yards × 2

= 11/9 × 2 = 22/9 yards

Area of rectangle = 11/9 × 22/9

= 242/81 square yards

= 2.987654321 square yards

Approximately = 3 Square yards

8 0
3 years ago
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