3 years ago

The altitude on a ski trail drops 2 feet for

Mathematics

1 answer:

Trava [24]3 years ago

6 0

Answer:

rrrrrehwhwjwmkwwuwiwiiwiwiwiw

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A force of 4 pound acts in the direction of 48degree to the horizontal. The force moves an object along a straight line from the

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Answer:

<u>Work Done = 27.66 Joules</u>

Step-by-step explanation:

The work done is:

$W=F*d*Cos \theta$

Where

F is the fore

d is the distance moved

$\theta$ is the angle

The force is "4"

The distance is the distance from (1,7) to (8,10)

The distance is the square root of change in y coordinates, squared and sum of change in x coordinates, squared. Hence, distance is:

$\sqrt{(10-7)^2+(8-1)^2}\\=\sqrt{3^2+7^2}\\\sqrt{58}$

The angle is gotten by the formula:

$Cos\phi = \frac{Force in x direction}{Distance}\\Cos\phi = \frac{8-1}{\sqrt{58}}\\Cos\phi=\frac{7}{\sqrt{58}}\\\phi = Cos^{-1}\frac{7}{\sqrt{58}}\\\phi = 23.21$

So, now:

$\theta = 48 - 23.21 = 24.79$

Work Done = $F*d * Cos\theta = 4 * \sqrt{58} * Cos(24.79)$

<u>Work Done = 27.66 Joules</u>

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3 years ago

I need help on #2 if 1 meter is 1000 kilometers what would the answer be

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120 times because 300 divided by 25

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Circumference of a circle is 2 x pi x r

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if 500 is deposited into an account earning 6 percent simple interest what is the future value in 6 years how do you work it put

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$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$500\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
t=years\to &6
\end{cases}
\\\\\\
A=500(1+0.06\cdot 6)$

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3 years ago

Solve for x given the equation x-5+7=11

Alexeev081 [22]

Answer:

Step-by-step explanation:

x-5+7=11

First think of what +7 = 11 then subtract by 5

check :)

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3 years ago