Anyone able to help with this?

Anyone Able To Help With This?

Answers

Answer 1

[tex]W = 23.7°[/tex]

Step-by-step explanation:

The formula given is the statement of Snell's law of refraction. We are given the following:

[tex]I_a = 1.0003[/tex]

[tex]I_w = 1.3[/tex]

[tex]A = 31.5°[/tex]

So we need to find the angle of refraction W. Starting with Snell's law,

[tex]\dfrac{I_w}{I_a} = \dfrac{\sin A}{\sin W} \Rightarrow \sin W = \left(\dfrac{I_a}{I_w}\right)\sin A[/tex]

Plugging in the given values, we get

[tex]\sin W = \left(\dfrac{1.0003}{1.3}\right)\sin{31.5°} = 0.402[/tex]

Solving for the angle W, we then get

[tex]W = \sin^{-1}(0.402) = 23.7°[/tex]


Related Questions

Select the table of values that you would use to graph f(x) = 3x2 – 4.
Hello Please help.

Answers

The the table of values that you would use to graph [tex]f(x) = 3x^{2} -4[/tex]  is option "B"

What is point on graph?

A point is the basic relationship displayed on a graph. Each point is defined by a pair of numbers containing two coordinates. A coordinate is one of a set of numbers used to identify the location of a point on a graph.

According to the question

Points on graph for equation :

[tex]f(x) = 3x^{2} -4.[/tex]  

Now,

Table of points on graph

x                  y

-2                8

-1                 -1

0                 -4

1                   -1

2                   8

Hence, The the table of values that you would use to graph [tex]f(x) = 3x^{2} -4[/tex]  is option "B" .

To know more about points on graph here:

https://brainly.com/question/27934524

#SPJ2

PLEASE HELP WITH THIS PROBLEM

Answers

Answer:

x=4

Step-by-step explanation:

please help!
Anita’s parents started a Harvard college fund the day she was born. They figured by the time
she was 18, she would need $80 000 to cover four years of post secondary tuition fees. How
much money would they need to deposit on an annual basis from birth to her 18 th birthday, to
achieve this goal? Use a rate of 7%/a compounded annually.

Answers

Answer:

320,000

Step-by-step explanation:

80,000$x 4 years == 320,000$

write the standard form of the equation of the circle with the given characteristics end point of diameter (-4,-1) , (4,1)​

Answers

Answer:

x² + y² = 17

Step-by-step explanation:

The standard  equation of a circle is :

(x -h)² + ( y -k) ²= r², where (h, k) are the a coordinate of the center of the circle and r is the radius of the circle

If the end point of diameter has the coordinates (-4,-1) and  (4,1)​ then the center is at the origin so we have (h= 0, k= 0)

The radius is half of the diameter so is the distance form (0,0) to (4, 1).

We can use Pythagorean Theorem to find r²

r ² = 4²+1² =  17

(x -h)² + ( y -k) ²= r², substitute what we found out

(x -0)² + ( y -0) ²= 17

x² + y² = 17

This is the equation of the circle given characteristics end point of diameter (-4,-1) , (4,1)​

-7(8) What is it please help me I need help help help help

Answers

The Answer should be 10

2x+3-3=-6



solve right please

Answers

Finding the value of x,

→ 2x + 3 - 3 = - 6

→ x + (3 - 3) = - 6/2

→ [ x = -3 ]

Thus, the value of x is -3.

A.CED.A Garnetta owned 2400 shares of Metropolitan Corporation at a price of $45.50. The stock split 4-for-3. How was Garnetta financially affected by the split

Answers

Garnetta will have 3,200 shares worth $ 34,125 each.

Given that Garnetta owned 2400 shares of Metropolitan Corporation at a price of $ 45.50, and the stock split 4-for-3, to determine how Garnetta was financially affected by the split the following calculation must be performed:

3 = 2400 4 = X 4 x 2400/3 = X 9600/3 = X 3200 = X  (2400 x 45.50) / 3200 = X 109200/3200 = X 34.125 = X

Therefore, Garnetta will have 3,200 shares worth $ 34,125 each.

Learn more in https://brainly.com/question/13981349

PLEASE HELP ME!!! ASAP SHOW YOUR WORK!!! Given cos x =√15/4 and 90°< x 180°, find the exact value for cos 2x​

Answers

Answer:

x=34 because you simplify it and then take 45 and at it to it

Help help math math math please help help help

Answers

Yes they are congruent

4 CHALLENGE 35 toes—how
many
feet?
Hint Draw a picture to help.
How many in all?

Answers

there are 7 feet because there are 5 on each foot do 35 divided by 5 is 7

A car rental agency charges $150 per week plus $0.20 per mile to rent a car. How many miles can
you
travel in one week for $290?
A) 208
B) 1450 miles
C) 700 miles
D) 675 miles

Answers

C). 700 miles
290-150=140
140 divided by .20 is 700 miles

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 95 miles per hour. The eastbound train travels at 85 miles per hour. How long will it take for the two trains to be 468 miles apart?

Answers

Step-by-step explanation:

x = traveled hours

when multiplying miles/hour by hours, this gives

hours × miles / hours

so, the dimension hours is eliminated on top and bottom of that fraction (or ratio) leaving only miles.

therefore,

468 = 95x + 85x = 180x

x = 468/180 = 2.6 hours or 2 6/10 hours = 2 hours and 6×6 minutes = 2 hours and 36 minutes

remember,

1 hour = 60 minutes

1/10 hour = 60/10 = 6 minutes

Answer:

Step-by-step explanation:

2.6 h

Write the quadratic function in f(x)=a(x−h)2+k form whose graph is shown below.



The graph shows a downward facing parabola with vertex (negative 3, 4) and y-intercept (0, negative 5).

Answers

[tex]~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{o pens~\cap}\qquad \stackrel{"a"~is~positive}{o pens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill[/tex]

[tex](\stackrel{h}{-3}~~,~~\stackrel{k}{4})\qquad \implies f(x) = a[x-(-3)]^2+4\implies f(x) = a(x+3)^2+4 \\\\\\ \textit{we know that} \begin{cases} x=0\\ f(x) = -5 \end{cases}\implies -5=a(0+3)^2+4\implies -5=9a+4 \\\\\\ -9=9a\implies \cfrac{-9}{9}=a\implies \boxed{-1=a}~\hfill \blacktriangleright f(x)=-(x+3)^2+4 \blacktriangleleft[/tex]

Alice uses a table to record the number of black cars, b, that passed by her house in h hours.
b is directly proportional to h.

Answers

Answer:

1/2

Step-by-step explanation:

b is directly proportional to h.

b = kh

take any (h, b) point

using (28, 14)

14 = k(28)

Divide both sides by 28

1/2 = k

1/2

Use a table to find the solution to the situation.
Larry's small business has $30,000 in its bank account and makes automatic monthly payments that total
$10,000. If he stops making deposits to that account, when would the automatic payments make the
value of the account zero?
The value of the account would be zero in months.

Answers

Answer:

Step-by-step explanation:

30,000 /10,000= 3 months

Please take a look at the picture.

Answers

Answer:

I think it is total cost

Kendrick had 2 / 3 of an ice cream cake left. Each piece on the ice cream cake is 1 / 12 of the entire cake. How many pieces are left?

Answers

Answer:

8 pieces

Step-by-step explanation:

2/3 = 1/12c

cross-multiply to get:

3c = 24

c = 8

Does anybody know the slope for these graphs?

Answers

5. 4/3 6. Undefined 7. -1

The weight of an adult standard poodle was found to follow a normal distribution with a mean of 50 pounds and a standard deviation of 15 pounds. If represents the mean weight of a random sample of 7 adult standard poodles, what is (round off to second decimal place)

Answers

Using the Central Limit Theorem, it is found that the distribution of the sample means of the weights of the 7 adult standard poodles is normal, with mean of 50 pounds and standard deviation of 5.67 pounds.

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

In this problem, for the population, [tex]\mu = 50, \sigma = 15[/tex].

Sample of 7, hence [tex]n = 7, s = \frac{15}{\sqrt{7}} = 5.67[/tex]

The distribution of the sample means of the weights of the 7 adult standard poodles is normal, with mean of 50 pounds and standard deviation of 5.67 pounds.

A similar problem is given at https://brainly.com/question/25606713

What is the principal amount if the interest rate is 3.5% a year and the amount of interest is 183.75 for 21 months?

Answers

The principal amount if the interest rate is 3.5% a year is equal to $3000.

Given the following data:

Interest rate = 3.5%Simple interest = $183.75Time = 21 months

Conversion:

12 months = 1 year

21 months = 1.75 year

To calculate the principal amount if the interest rate is 3.5% a year:

Mathematically, simple interest is given by the formula:

[tex]S.I = \frac{PRT}{100}[/tex]

Where:

S.I is the simple interest.P is the principal amount.R is the interest rate.T is the time measured in years.

Making P the subject of formula, we have:

[tex]P = \frac{100S.I}{RT}[/tex]

Substituting the given parameters into the formula, we have;

[tex]P = \frac{100 \times 183.75}{3.5 \times 1.75}\\\\P = \frac{18375}{6.125}[/tex]

Principal amount, P = $3000

Read more: https://brainly.com/question/22621039

Sophia uses 3 cups of peanut butter to make 51 peanut butter cookies. At this rate, how many cups of peanut butter does she need to make 153 peanut butter cookies?​

Answers

You need 9 cause 9 x 51
You need 9 cups of peanut butter

The following triangles are similar triangles with some dimensions specified. Find the measures of the other sides.

Answers

Answer:

116°

Step-by-step explanation:

(Angle sum property of a triangle = 180°)

angle A + angle C + angle ABC = 180°

66° + 50° + angle BAC = 180°

116° + angle ABC = 180°

angle ABC = 180° - 116°

angle ABC = 64°

angle ABD + angle ABC = 180°

angle ABD + 64° = 180°

angle ABD = 180° - 64°

angle ABD = 116°

So, the measure of the unknown angle is 116°

solve this equation:

1.25x+5.00 greater than or equal to 20.00

Answers

x is greater than it equal to 12

The total cost for tuition plus room and board at State University is $2737. Tuition costs $787 more than room and board. What is the tuition fee?
What is the cost of tuition?

Answers

Answer 1,950 because you must subtract, just look at the key words like “ more than “

the total whole numbers less than 1539 divisible by 12​

Answers

Answer:

the ancwer is 1536

Step-by-step explanation:

i used a coculater

Name x1, x2, y1, and y2. Then, find the distance between the points.

Answers

Answer:

wwwwwwwwwwwwwwwwwwwwwwhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaatttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt what

Complete the equation to show how many tenths are equivalent to 1/2

Answers

Answer:

5/10

Step-by-step explanation:

which is the correct answer??
geometry

Answers

Answer:

SAS || Side - Angle - Side

Step-by-step explanation:

You have 2 sets of congruent sides, and one set of congruent angles between them. (SAS)

That angle is congruent because ∠QRP and ∠TRS are vertical angles, and vertical angles have the same measurement.

Original price of shorts $53.95 Discount 30% Tax 4.5?
Please help what’s the correct answer ???

Answers

Answer:

72.8325

Step-by-step explanation:

I think it is that

pls helpppppp i begggg​

Answers

Answer

x Is less than 4

Step-by-step explanation:

It will be an open circle and the arrow is going the left direction on the number 4

Other Questions
Are the ratios 2:1 and 11:9 equivalent? Help help help please good luck be honest describe how you know this is a proportional relanshoships State the domain and range of the relation:{(1,3), (2, 4), (3,5), (-1,3), (-2, 4), (-3,5)) Which adjective best describes the Beau Dieu statue on the trumeau?a.Comicalb.Frightenedc.Benevolentd.Terrifying In your opinion,what do you think was the most significant event that happened during the Cold War ? Specifically,which event had the biggest impact on American society politics and society as a whole? Write 2 paragraphs as 10-12 sentences g^x+1 =27 solve for x Does the mass of an object always equal the sum of its parts?yesno Slave codes were laws meant to protect slavesTrueFalse in which state is it illegal to serve margarine instead of butter . What is the best definition of a false dilemma?when someone uses half-truths, or generalizations, to support a claimwhen someone attacks the opponents of the argument to discredit themwhen someone presents an either/or scenario but there are other optionswhen someone states that since everyone agrees with a statement, it is correct According to the _____ model, mental illness needs to be diagnosed based on its symptoms. Please type the correct answer in the following input field, and then select the submit answer button or press the enter key when finished. Your answer: Conversacin en ingls con pronombres posesivos Ayushi wanted to paint a wall of a room of dimensions 6 m 5 m. It has a window of dimensions 2 m 0.5 m and a door of dimensions 3 m 1.5 m. What area of the wall is required to be painted by Ayushi?Can you guys plz answer this??? which statement best explains the children's reaction to the bachelor's story? (the storyteller)They enjoyed the bachelor's story because it was about more than just being good they enjoyed the bachelor's story because it contained many beautiful descriptionsthey did not enjoy the bachelor's story because it was about a girl who was only good they did not enjoy the bachelors story because they though it had a bad beginning [tex]3\frac{3}{4} +8\frac{3}{4}[/tex] Someone give me something to write about pleaseeee im a writer Choose the correct form of of the pass compos 3.mon sac main et le porte-monnaie tait l'intrieur.-a perdue-as perdus-ai perdu4. La sculpture grecqueles sculpteurs utilisent cette technique actuellement.-n'a pas disparu- n'ai pas disparu-n'a pas disparue5. Les architectesun nouveau stade pour les Jeux Olympiques.-ont construits -ont construit-ont construitesHelp A bike that weighs 22 pounds and 3 ounces weighs a total of ____ounces. .Explain why the two figures below are not similar. Use complete sentences andprovide evidence to support your explanation. (10 points)