3 years ago

The perimeter of a rectangle is 38 centimeters. The length is 7.5 centimeters. What is the width?

Mathematics

1 answer:

RSB [31]3 years ago

4 0

Answer:

Its 5, or to be exact 5.06666666666666666666666666667

Step-by-step explanation:

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Consider a particle that moves through the force field F(x, y) = (y − x)i + xyj from the point (0, 0) to the point (0, 1) along

sleet_krkn [62]

The work done by $\vec F$ is

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r$

where $C$ is the given curve and $\vec r(t)$ is the given parameterization of $C$ . We have

$\mathrm d\vec r=\dfrac{\mathrm d\vec r}{\mathrm dt}\mathrm dt=k(1-2t)\,\vec\imath+\vec\jmath$

Then the work done by $\vec F$ is

$\displaystyle\int_0^1((t-kt(1-t))\,\vec\imath+kt^2(1-t)\,\vec\jmath)\cdot(k(1-2t)\,\vec\imath+\vec\jmath)\,\mathrm dt$

$=\displaystyle\int_0^1((k-k^2)t-(k-3k^2)t^2-(k+2k^2)t^3)\,\mathrm dt=-\frac k{12}$

In order for the work to be 1, we need to have $\boxed{k=-12}$ .

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3 years ago

Can Someone please help me on all four of these.

bonufazy [111]

1st one is x > 1
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3 years ago

Graph the following equations on graph paper or in your calculator.

KIM [24]

The third answer choice.

6 0

2 years ago

In 2016, Stare A produced 600 million pounds more apples that State B. Together, the two states produced 1600 million pounds of

crimeas [40]

Answer:

800

Step-by-step explanation:

The Answer Is 8,000,000 Because

8×2 16 so 8,000,000 × 2=16,000,000

8 0

3 years ago

Help me with the triangle area please

dexar [7]

Answer:

15 m ^2

Step-by-step explanation:

3 x 10 is 30

divide that by 2 since the triangle can fit in half of the rectangle shape

you will get 15

7 0

3 years ago

Read 2 more answers