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sergejj [24]
3 years ago
15

In QRS, mQ = 80, mR = 65, and mS = 35. Which side of QRS is the longest?

Mathematics
2 answers:
wel3 years ago
7 0
The correct answer is D because the longest side is opposite to the longest angle
 <span />
fomenos3 years ago
5 0

<span>RS is the longest side of </span>ΔQRS, because it lies opposite the biggest angle (Q=80°).

Answer: D
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ludmilkaskok [199]

Answer:  A parallelogram is a rectangle.

Step-by-step explanation:

This is always true. Â Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. Parallelograms are quadrilaterals with two sets of parallel sides. ... A parallelogram is a rectangle.

5 0
2 years ago
Soap films and bubbles are colorful because the interference conditions depend on the angle of illumination (which we aren't cov
mylen [45]

Answer:

56.39 nm

Step-by-step explanation:

In order to have constructive interference total optical path difference should be an integral number of wavelengths (crest and crest should be interfered). Therefore the constructive interference condition for soap film can be written as,

2t=(m+\frac{1}{2} ).\frac{\lambda}{n}

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Please note that here we include an additional 1/2λ phase shift due to reflection from air-soap interface, because refractive index of latter is higher.

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t_1=(m+\frac{1}{2} ).\frac{\lambda}{2.n}\\ \\ t_1=\frac{1}{2} .\frac{700}{(2)*(1.33)}\\ \\ t_1=131.58\ nm

Here we take m=0.

Similarly for the constructive reflection at the blue end (400 nm)

t_2=(m+\frac{1}{2} ).\frac{\lambda}{2.n}\\ \\ t_2=\frac{1}{2} .\frac{400}{(2)*(1.33)}\\ \\ t_2=75.19\ nm

Hence the thickness difference should be

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7 0
2 years ago
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Oksanka [162]

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Step-by-step explanation:

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2 years ago
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dsp73

Answer:

11.5

Step-by-step explanation:

3 x  3 5/6

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8 0
3 years ago
What is 12/21 divided by 3/14
sladkih [1.3K]
To do this problem, you gotta cross-multiply. SO, \frac{12}{21} multiplied by \frac{14}{3}

12 times 14 = 168
21 times 3 = 63
Then the final answer is \frac{168}{3}
5 0
3 years ago
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