#9. Find the slope of the line in the graph. Remaining Money
у
140
120
A 100
Money ($)
80
60
40
20
0 1 2 3 4 5 6 7 8 9
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#9. Find the slope of the line in the graph.

Remaining Money
у
140
120
A 100
Money ($)
80
60
40
2

Solved

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Ответ:

Gabby1128

04.03.2022

Mathematics

Step-by-step explanation:

Resultant R of the two vectors is

$R^2=a^2+b^2+2abcos\theta$

$R^2=30^2+5^2+2\left ( 30\right )\left ( 5\right )cos\theta$

Where $\theta$ is the angle between Two vectors which is 100^{\circ}[/tex]

$R^2=900+25+2\times 30\times 5\times cos100$

R^2=925-52.094

R=29.544 miles per hour

and it makes an angle $\phi$ with 30 miles/hr vector

$tan\phi =\frac{5}{30}$

$\phi =tan^{-1}\frac{1}{6}$

$\phi =9.462^{\circ}$

i.e.it makes an angle of 20.538 South of east with horizontal

a ship moves through the water at 30 miles/hour at an angle of 30° south of east. the water is movin

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