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Novay_Z [31]
3 years ago
12

The critical angle of refraction for calcite is 68.4 when it forms a boundary with water. Use this information to determine the

speed of light in Calcite. Assume the refractive index of water ,1.333, is less than the refractive index of calcite.
Mathematics
2 answers:
rjkz [21]3 years ago
6 0

Answer:

The brainly answer is wrong.  If you're using it for Connexus it'll be wrong.  Good luck and do your own work.

Step-by-step explanation:

Zarrin [17]3 years ago
4 0
Using Snell's law with
N2=1.33 for water
N1 sin A1= N2 sin A2 = N2

N1= 1.33/sinA

so, the speed of light in clctie = (3*10^8 m/s) / 1.43


= 1*10^8 m/s




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5х2-7x-6=0 <br><br> factored form
Vinvika [58]

Answer:

(x - 2)(5x + 3) = 0

Step-by-step explanation:

5x² - 7x - 6 = 0

Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 5 × - 6 = - 30 and sum = - 7

The factors are - 10 and + 3

Use these factors to split the x- term

5x² - 10x + 3x - 6 = 0 ( factor the first/second and third/fourth terms )

5x(x - 2) + 3(x - 2) = 0 ← factor out (x - 2) from each term

(x - 2)(5x - 3) = 0 ← in factored form

8 0
3 years ago
Out of 25 students, 15 students are girls. what is the ratio of boys and girls? a: 3:5 b: 2:5 c: 2:3
Vadim26 [7]

Answer:

Answer: C 2:3

Step-by-step explanation:

total students = 25

total girls = 15

total boys = 25-15 = 10

boys:girls = 10:15

divide by 5 to get 2:3

6 0
2 years ago
The minor arc measures of circle Z are shown in the figure.
DerKrebs [107]

The completed statement are:

  • Angle UZT is congruent to angle TZY.
  • Angle VZW is congruent to angle YZX.

<h3>What is the angle about?</h3>

Part A:

Angle UZT is congruent to angle TZY.

Using the image attached figure, we can see that:

∠UZT = 54°

∠TZY = 54°

Hence one can say that ∠TZY = ∠UZT are both congruent angles.

Part B:

Angle VZW is congruent to angle YZX.

Using the image attached attached, we can see that:

∠VZW = 71°

∠YZX = 71°

Hence, ∠YZX = ∠VZW are both  regarded as congruent angles .

Therefore, The completed statement are:

  • Angle UZT is congruent to angle TZY.
  • Angle VZW is congruent to angle YZX.

Learn more about Angles from

brainly.com/question/14684194

#SPJ1

6 0
2 years ago
Hunter is going to graph the ordered pairs that are represented by this table on a coordinate plane.
valentina_108 [34]

Answer:

1.

Step-by-step explanation:

When x is 0, the point will lie on the x-axis, so we need to find how many times this happens.

There's only 1 0, so the answer is 1.

6 0
3 years ago
Read 2 more answers
What is the slope of the hypotenuses of the triangles in simplest form?
vovangra [49]
As far as my math can tell the bigger one has a hypotnuse length of 8 whereas the smaller anes length is about 1 1/2
3 0
3 years ago
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