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Zanzabum
3 years ago
15

PLEASE HELP ME easy algebra

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

(6,1)

Step-by-step explanation:

using substitution we find x=y+5, then we plug into the equation and find y and then using y we can find x

hope it helps!

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I will give multiple brainlist to people who help me with these slides!
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Answer:

A)6

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Step-by-step explanation:

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3 years ago
Forces of 9 lbs and 13 lbs act at a 38º angle to each other. Find the magnitude of the resultant force and the angle that the re
fiasKO [112]

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Step-by-step explanation:

Given

Two forces of 9 and 13 lbs acts 38^{\circ} angle to each other

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\Rightarrow R=\sqrt{a^2+b^2+2ab\cos \theta}

Insert the values

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Resultant makes an angle of

\Rightarrow \alpha=\tan^{-1}\left( \dfrac{b\sin \theta}{a+b\cos \theta}\right)\\\\\text{Considering 9 lb force along the x-axis}\\\\\Rightarrow \alpha =\tan^{-1}\left( \dfrac{13\sin 38^{\circ}}{9+13\cos 38^{\circ}}\right)\\\\\Rightarrow \alpha =\tan^{-1}(\dfrac{8}{19.244})\\\\\Rightarrow \alpha=22.57^{\circ}

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3 years ago
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"A" is the correct answer
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