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Margarita [4]
3 years ago
9

Pls help me answer this question if correct I'll make brainylist!!!

Mathematics
1 answer:
Lelu [443]3 years ago
4 0

Answer:

6 months

Step-by-step explanation:

495 = 165 + 55m

-165   -165

330 = 55m

330/55 = 55m/55

6 = m

barbara received 6 months of dance lesson from Dance unlimited

Hope this helps :)

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In which triangle is the measure of the unknown angle, x, equal to the value of sin–1(StartFraction 5 Over 8. 3 EndFraction)?.
almond37 [142]

The triangle is a right-angled triangle with a perpendicular side of 5 and a hypotenuse of 8.3.

<h2 /><h2>Given to us</h2>

\theta = sin^{-1}\dfrac{5}{8.3}

<h2>Sine θ</h2>

as we know that sine for any angle is the ratio of its perpendicular to the hypotenuse,  and trigonometry is only applicable to a right-angled triangle.

therefore,

\theta = sin^{-1}\dfrac{5}{8.3}\\\\sin \theta=\dfrac{5}{8.3}=\dfrac{Perpendicular}{Hypotenuse}\\

Hence, the triangle is a right-angled triangle with a perpendicular side of 5 and a hypotenuse of 8.3.

Learn more about Sine:

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6 0
2 years ago
What is the image of (1,0) after a counterclockwise rotation of 60 degrees?
Anestetic [448]

Answer:

\vec s = \left(\frac{1}{2},\frac{\sqrt{3}}{2}  \right)

Step-by-step explanation:

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\vec s = (1, 60^{\circ})

Its equivalent form in rectangular coordinates is:

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3 0
3 years ago
the sum of three numbers is 16 the sum of twice the first number, five times the second number and 6 times the third number is 6
Lubov Fominskaja [6]
Can you make the answer clearer. I would be glad to help you. I just don't understand where it says "the sum of three numbers is 16 the sum of twice the first number"
7 0
3 years ago
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A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the t
BabaBlast [244]
1 yd = 36 in;  20 ft 8 in = 248 in;
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5 0
3 years ago
I need help, can someone help??
stira [4]

Answer:

900 divided by 3 is 300 and 3*3=9 :)

Step-by-step explanation:

Not sure what the question was, but hope this helps!

6 0
3 years ago
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