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elena55 [62]
2 years ago
7

Find y. A. 63–√ B. 33–√ C. 23√3 D. 3

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
5 0
<h3>Answer: D. 3</h3>

This is a 30-60-90 triangle. The shortest leg (opposite the smallest angle) is half that of the hypotenuse, so y = 6/2 = 3.

Extra info: The long leg is sqrt(3) times the short leg, so x = y*sqrt(3) = x = 3*sqrt(3)

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A cylinder has a radius of 5x + 4 and a height of 2x + 5. Which polynomial in standard form best describes the total volume of t
Nana76 [90]

Answer:

Step-by-step explanation:

Volume = pi·(r^2)*h

r = radius = (5x+4)

h = height = (2x+5)

 

Volume = pi·(r^2)

Volume = pi·(5x+4)^2*(2x+8)

Volume = pi·(25x^2+40x+16)*(2x+8)

Volume = pi·(50x^2+80x+32+200x^2+32x+128)

Volume = pi·(250x^2+112x+160)

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2 years ago
Solve trigonometric function<br><br> cos2∅ + sin∅ × csc∅ / sin2∅
aliina [53]

Answer:

Step-by-step explanation:

\sf Formula: \\\\\sin 2 \theta    =  2 \sin \theta  \cos \theta


\text {\sf \Large Solution :}

\cos 2 \theta +\dfrac{\sin \theta\cdot \cos \theta  }{\sin 2 \theta }  = \\\\\ \cos 2 \theta +\dfrac{\sin \theta\cdot \cos \theta}{2\sin \theta\cdot \cos \theta}  =\boxed{\cos 2 \theta +\dfrac{1}{2} }

3 0
2 years ago
Read 2 more answers
Question 17 please help
kramer
\sqrt{9x^2} / \sqrt{18y^2}
after taking sqrt both side

3x/\sqrt{9*2y^2}

3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y

Answer is A

8 0
2 years ago
Arătati ca:<br> (5 puterea n +5 puterea n+1 +5 la puterea n) se divide cu 31.
katen-ka-za [31]
I am taking french but im only 7% fluent as of yet
8 0
3 years ago
Does the ordered pair, (1, 5/2) satisfies the given equation<br> 3x-3y=-3 ?
vampirchik [111]

Answer:

Ordered pair, (1, 5/2) does not satisfy the given equation  3x-3y=-3

Step-by-step explanation:

3x-3y=-3

Here (x, y) = (1, \frac{5}{2} )

3(1)-3(\frac{5}{2} )=-3

3- (\frac{15}{2} )=-3\\6-15=-6\\-9\neq -6

7 0
2 years ago
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