Seventeen times the difference of 15x and 12 is five hundred sixty-one

Mathematics

1 answer:

WITCHER [35]3 years ago

7 0

This is False, you didn't offer much info so I'm just guessing what the format was

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What is the answer to number nine also how do I solve for it? Thanks:)

Tanya [424]

Well the whole ratio is 14 sooooo
98 ÷ 14 =7

for food tents it would be 9 x 7 which is 63

And for retail tents 5 x 7which is 35

so the whole ratio is 63: 35

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3 years ago

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Answer:

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Step-by-step explanation:

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Evaluate the cosine if the angle of rotation which contains the point (9, -3) on its terminal side

Liono4ka [1.6K]

so we know the terminal point is at (9, -3), now, let's notice that's the IV Quadrant

$\bf (\stackrel{x}{9}~~,~~\stackrel{y}{-3})\impliedby \textit{let's find the \underline{hypotenuse}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2} \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ c=\sqrt{9^2+(-3)^2}\implies c=\sqrt{81+9}\implies c=\sqrt{90} \\\\[-0.35em] ~\dotfill$

$\bf cos(\theta )=\cfrac{\stackrel{adjacent}{9}}{\stackrel{hypotenuse}{\sqrt{90}}}\implies \stackrel{\textit{rationalizing the denominator}}{\cfrac{9}{\sqrt{90}}\cdot \cfrac{\sqrt{90}}{\sqrt{90}}\implies \cfrac{9\sqrt{90}}{90}}\implies \cfrac{\sqrt{90}}{10}\implies \cfrac{3\sqrt{10}}{10}$