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3 years ago

What are the terms in 4(2x + 3) ÷ 5y

Mathematics

1 answer:

puteri [66]3 years ago

6 0

Answer:

downlaod photo math, take a pic of the question and boom. theres your answer

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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

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

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

6 0

3 years ago

how can something that could be a need become a want? A) if it is highly desired B) if the need is already fulfilled C) if it is

sergij07 [2.7K]

The answer is B) if the need is already fulfilled

8 0

4 years ago

The width of this rectangle is measured as 19.4mm correct to 1 decimal place.

Afina-wow [57]

Answer:

reducing 9.35 to 19.44 is rounded to 19.4

Step-by-step explanation:

9.35 to 19.44 is rounded to 19.4

19.35 = 19.4

19.36 = 19.4

19.37 = 19.4

19.38 = 19.4

19.39 = 19.4

19.40 = 19.4

19.41 = 19.4

19.42 = 19.4

19.43 = 19.4

19.44 = 19.4

Hence Lower bound of of the rectangle = 19.35 mm

6 0

3 years ago

Hi please help me thanks :)

aniked [119]

Answer:

yellow one

Step-by-step explanation:

3 0

3 years ago

What are the steps to solving <br> 16 x 17 to get the answer

erastovalidia [21]

Answer:

x17

-----------

112

------------

272

7 0

3 years ago

Read 2 more answers