Pearson eText for Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137399635
Author: Michael Sullivan, Michael Sullivan
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 12.2, Problem 54AYU
To determine
To find: In how many ways can the 5 balls be drawn from the total of 25 balls:
a. If all 5 balls are red?
To determine
To find: In how many ways can the 5 balls be drawn from the total of 25 balls:
b. If 3 balls are red and 2 are white?
To determine
To find: In how many ways can the 5 balls be drawn from the total of 25 balls:
c. If at least 4 are red balls?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Ra X
2) slots per pole per phase 3/31
180
Ko Sin (1)
Kdl
1 sin (4)
sin(3)
Sin (30)
اذا مرید شرح الكتب بس 0 بالفراغ
3) Cos (30) 0.866
4) Rotating
5) Synchronous speed, 120 Fo lasa!
G
s.1000-950 20:05
1000
Capper losses: 5kw
Rotor input lookw
0.05
ined sove in peaper
I need a detailed
solution on paper
please
6) 1
۳/۱
وه
اذا ميريد شرح الكتب فقط look
DC
7) rotov
Find the general solution of the following equations:
+4y=tan2x
3
7357
Find the general solution of the following equations:
-
Qll y + y (³) = 0.
101
B: 18060
msl
Kd
Ka, Sin (n)
I sin ()
sin(30)
Sin (30)
اذا ميريد شرح الكتب بس 0 بالفراغ
3) Cos (30) 0.866
4) Rotating
5) Synchronous speed, 120 x 50
G
5005
1000
s = 1000-950
Copper bosses 5kW
/0001
Rotor input
5
: loo kw
0.05
6) 1
اذا ميريد شرح الكتب فقط ١٥٠
7) rotov
DC
ined sove in Deaper
I need a detailed
solution on paper
please
dy
x+2y-4
=
dx
2x-y-3
Find the general solution of the following equations:
02//yl-4y+13y=esin
1)
R₂ = X2
2) slots per pole per phase = 3/31
B
msl
kd
180
60
Kal Sin (1)
I sin ()
sin(30)
Sin (30)
اذا ميريد شرح الكتب بس 0 بالفراغ
3) Cos (30) 0.866
4) Rotating
5) Synchronous speed, 120 x 50
G
5005
1000
s = 1000-950
Copper bosses 5kW
Rotor input:
5
0.05
loo kw
6) 1
/0001
اذا ميريد شرح الكتب فقط look
7) rotov
DC
ined sove in peaper
I need a detailed
solution on paper
please
Q1// Find the solution of:
'y' = x² +376
x4+316
xyo
Q2 Find the solution of the initial-valued problems:
ex-y
y'
+ex
Chapter 12 Solutions
Pearson eText for Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry -- Instant Access (Pearson+)
Ch. 12.1 - Prob. 1AYUCh. 12.1 - Prob. 2AYUCh. 12.1 - Prob. 3AYUCh. 12.1 - Prob. 4AYUCh. 12.1 - Prob. 5AYUCh. 12.1 - Prob. 6AYUCh. 12.1 - Prob. 7AYUCh. 12.1 - Prob. 8AYUCh. 12.1 - Prob. 9AYUCh. 12.1 - Prob. 10AYU
Ch. 12.1 - Prob. 11AYUCh. 12.1 - Prob. 12AYUCh. 12.1 - Prob. 13AYUCh. 12.1 - Prob. 14AYUCh. 12.1 - Prob. 15AYUCh. 12.1 - Prob. 16AYUCh. 12.1 - Prob. 17AYUCh. 12.1 - Prob. 18AYUCh. 12.1 - Prob. 19AYUCh. 12.1 - Prob. 20AYUCh. 12.1 - Prob. 21AYUCh. 12.1 - Prob. 22AYUCh. 12.1 - Prob. 23AYUCh. 12.1 - Prob. 24AYUCh. 12.1 - Prob. 25AYUCh. 12.1 - Prob. 26AYUCh. 12.1 - Analyzing Survey Data In a consumer survey of 500...Ch. 12.1 - Prob. 28AYUCh. 12.1 - Prob. 29AYUCh. 12.1 - Prob. 30AYUCh. 12.1 - Prob. 31AYUCh. 12.1 - Prob. 32AYUCh. 12.1 - Prob. 33AYUCh. 12.1 - Prob. 34AYUCh. 12.1 - Prob. 36AYUCh. 12.1 - Prob. 37AYUCh. 12.1 - Prob. 38AYUCh. 12.1 - Prob. 39AYUCh. 12.2 - Prob. 1AYUCh. 12.2 - Prob. 2AYUCh. 12.2 - Prob. 3AYUCh. 12.2 - Prob. 4AYUCh. 12.2 - Prob. 5AYUCh. 12.2 - Prob. 6AYUCh. 12.2 - Prob. 7AYUCh. 12.2 - Prob. 8AYUCh. 12.2 - Prob. 9AYUCh. 12.2 - Prob. 10AYUCh. 12.2 - Prob. 11AYUCh. 12.2 - Prob. 12AYUCh. 12.2 - Prob. 13AYUCh. 12.2 - Prob. 14AYUCh. 12.2 - Prob. 15AYUCh. 12.2 - Prob. 16AYUCh. 12.2 - Prob. 17AYUCh. 12.2 - Prob. 18AYUCh. 12.2 - Prob. 19AYUCh. 12.2 - Prob. 20AYUCh. 12.2 - Prob. 21AYUCh. 12.2 - Prob. 22AYUCh. 12.2 - Prob. 23AYUCh. 12.2 - Prob. 24AYUCh. 12.2 - Prob. 25AYUCh. 12.2 - Prob. 26AYUCh. 12.2 - Prob. 27AYUCh. 12.2 - Prob. 28AYUCh. 12.2 - Prob. 29AYUCh. 12.2 - Prob. 30AYUCh. 12.2 - Prob. 31AYUCh. 12.2 - Prob. 32AYUCh. 12.2 - Prob. 33AYUCh. 12.2 - Prob. 34AYUCh. 12.2 - Prob. 35AYUCh. 12.2 - Prob. 36AYUCh. 12.2 - Prob. 37AYUCh. 12.2 - Prob. 38AYUCh. 12.2 - Prob. 39AYUCh. 12.2 - Prob. 40AYUCh. 12.2 - Prob. 41AYUCh. 12.2 - Establishing Committees In how many ways can a...Ch. 12.2 - Prob. 43AYUCh. 12.2 - Prob. 44AYUCh. 12.2 - Prob. 45AYUCh. 12.2 - Prob. 46AYUCh. 12.2 - Prob. 47AYUCh. 12.2 - Prob. 48AYUCh. 12.2 - Prob. 49AYUCh. 12.2 - Prob. 50AYUCh. 12.2 - Forming Words How many different 9-letter words...Ch. 12.2 - Prob. 52AYUCh. 12.2 - Prob. 53AYUCh. 12.2 - Prob. 54AYUCh. 12.2 - Prob. 55AYUCh. 12.2 - Prob. 56AYUCh. 12.2 - Prob. 57AYUCh. 12.2 - Prob. 58AYUCh. 12.2 - Prob. 59AYUCh. 12.2 - Prob. 60AYUCh. 12.2 - Prob. 61AYUCh. 12.2 - Prob. 62AYUCh. 12.2 - Prob. 63AYUCh. 12.2 - Prob. 64AYUCh. 12.2 - Prob. 65AYUCh. 12.2 - Prob. 66AYUCh. 12.2 - Prob. 67AYUCh. 12.2 - Prob. 68AYUCh. 12.2 - Prob. 69AYUCh. 12.2 - Prob. 70AYUCh. 12.3 - When the same probability is assigned to each...Ch. 12.3 - Prob. 2AYUCh. 12.3 - Prob. 3AYUCh. 12.3 - Prob. 4AYUCh. 12.3 - Prob. 5AYUCh. 12.3 - Prob. 6AYUCh. 12.3 - Prob. 7AYUCh. 12.3 - Prob. 8AYUCh. 12.3 - Prob. 9AYUCh. 12.3 - Prob. 10AYUCh. 12.3 - Prob. 11AYUCh. 12.3 - Prob. 12AYUCh. 12.3 - Prob. 13AYUCh. 12.3 - Prob. 14AYUCh. 12.3 - Prob. 15AYUCh. 12.3 - Prob. 16AYUCh. 12.3 - Prob. 17AYUCh. 12.3 - Prob. 18AYUCh. 12.3 - Prob. 19AYUCh. 12.3 - Prob. 20AYUCh. 12.3 - Prob. 21AYUCh. 12.3 - Prob. 22AYUCh. 12.3 - Prob. 23AYUCh. 12.3 - Prob. 24AYUCh. 12.3 - Prob. 25AYUCh. 12.3 - Prob. 26AYUCh. 12.3 - Prob. 27AYUCh. 12.3 - Prob. 28AYUCh. 12.3 - Prob. 29AYUCh. 12.3 - Prob. 30AYUCh. 12.3 - Prob. 31AYUCh. 12.3 - Prob. 32AYUCh. 12.3 - Prob. 33AYUCh. 12.3 - Prob. 34AYUCh. 12.3 - Prob. 35AYUCh. 12.3 - Prob. 36AYUCh. 12.3 - Prob. 37AYUCh. 12.3 - Prob. 38AYUCh. 12.3 - Prob. 39AYUCh. 12.3 - Prob. 40AYUCh. 12.3 - Prob. 41AYUCh. 12.3 - Prob. 42AYUCh. 12.3 - Prob. 43AYUCh. 12.3 - Prob. 45AYUCh. 12.3 - Prob. 46AYUCh. 12.3 - Prob. 47AYUCh. 12.3 - Prob. 48AYUCh. 12.3 - Prob. 49AYUCh. 12.3 - Prob. 50AYUCh. 12.3 - Prob. 51AYUCh. 12.3 - Prob. 52AYUCh. 12.3 - Prob. 53AYUCh. 12.3 - Prob. 54AYUCh. 12.3 - Prob. 55AYUCh. 12.3 - For Problems 57-60, a golf ball is selected at...Ch. 12.3 - Prob. 57AYUCh. 12.3 - Prob. 58AYUCh. 12.3 - Prob. 59AYUCh. 12.3 - Prob. 60AYUCh. 12.3 - Prob. 61AYUCh. 12.3 - Prob. 62AYUCh. 12.3 - Prob. 63AYUCh. 12.3 - Prob. 64AYUCh. 12.3 - Prob. 65AYUCh. 12.3 - Prob. 66AYUCh. 12.3 - Prob. 67AYUCh. 12.3 - Prob. 68AYUCh. 12.3 - Prob. 69AYUCh. 12.3 - Prob. 70AYUCh. 12.3 - Birthday Problem What is the probability that at...Ch. 12.3 - Birthday Problem What is the probability that at...Ch. 12.3 - Winning a Lottery: Powerball is a multistate...Ch. 12.3 - To graph , shift the graph of units and then ...Ch. 12.3 - Find the rectangular coordinates of the point...Ch. 12.3 - Solve: log 5 ( x+3 )=2Ch. 12.3 -
Ch. 12 - Prob. 1RECh. 12 - If , , and , find .
Ch. 12 - If n( A )=12 , n( AB )=30 , and n( AB )=6 , find...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 4-9, use the information supplied in...Ch. 12 - In Problems 10 and 11, compute the value of the...Ch. 12 - In Problems 10 and 11, compute the value of the...Ch. 12 - Stocking a Store A clothing store sells pure wool...Ch. 12 - Baseball On a given day, the American Baseball...Ch. 12 - Choosing Seats If 4 people enter a bus that has 9...Ch. 12 - Choosing a Team In how many ways can a squad of 4...Ch. 12 - Baseball In how many ways can 2 teams from 14...Ch. 12 - Telephone Numbers Using the digits 0, 1, 2,...,9,...Ch. 12 - License Plate Possibilities A license plate...Ch. 12 - Binary Codes Using the digits 0 and 1, how many...Ch. 12 - Arranging Flags How many different vertical...Ch. 12 - Forming Committees A group of 9 people is going to...Ch. 12 - Birthday Problem For this problem, assume that a...Ch. 12 - 23. Unemployment According to the U.S. Bureau of...Ch. 12 - You have four 1 bills, three 5 bills, and two 10...Ch. 12 - Each of the numbers 1, 2,..., 100 is written on an...Ch. 12 - At the Milex tune-up and brake repair shop, the...Ch. 12 - In Problems 14, a survey of 70college freshmen...Ch. 12 - In Problems 14, a survey of 70college freshmen...Ch. 12 - In Problems 14, a survey of 70college freshmen...Ch. 12 - In Problems 14, a survey of 70college freshmen...Ch. 12 - In Problems 57, compute the value of the given...Ch. 12 - In Problems 57, compute the value of the given...Ch. 12 - In Problems 57, compute the value of the given...Ch. 12 - MMs offers customers the opportunity to create...Ch. 12 - How many distinct 8-letter words (meaningful or...Ch. 12 - In horse racing, an exacta bet requires the bettor...Ch. 12 - In Ohio, license plates consist of three letters...Ch. 12 - Kiersten applies for admission to the University...Ch. 12 - A cooler contains 8 bottles of Pepsi, 5 bottles of...Ch. 12 - A study on the age distribution of students at a...Ch. 12 - In a certain lottery, there are ten balls numbered...Ch. 12 - If you roll die five times, what is the...Ch. 12 - Solve: 3x22x=1Ch. 12 - Graph f(x)=x2+4x5 by determining whether the graph...Ch. 12 - Graph f(x)=2(x+1)24 using transformations.Ch. 12 - Solve: |x4|0.01Ch. 12 - Find the complex zeros of f(x)=5x49x37x231x6Ch. 12 - Graph g(x)=3x1+5 using transformations. Find the...Ch. 12 - What is the exact value of log39?Ch. 12 - Solve: log2(3x2)+log2x=4Ch. 12 - Solve the system: {x2y+z=153x+y3z=82x+4yz=27Ch. 12 - What is the 33rd term in the sequence 3,1,5,9,...?...Ch. 12 - Graph: y=3sin(2x+)Ch. 12 - Prob. 12CR
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.Similar questions
- R₂ = X2 2) slots per pole per phase = 3/31 B-18060 msl kd Kasi Sin (1) I sin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed s = 1000-950 1000 Copper losses: 5kw Rotor input 5 0.05 6) 1 120 x 50 G loo kw ined sove in peaper I need a detailed solution on paper please Q3// x²y// +xy/ + (x² - ½) y = x³/². اذا ميريد شرح الكتب فقط look 7) rotor DC Q4// x²y// - (2x+x²)y/ + (2 + x)y = x³. dy 2x+2y+4 = dx 2x-y-3arrow_forward۳/۱ R2X2 2) slots per pole per phase = 3/31 B, 18060 msl Kas Sin() 1sin() sin(30) Sin (30) kd اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speeds S = 1000-950 1000 Copper bosses 5kw 120*50 loca G Rotor input 5 loo kw 6) 1 0.05 اذا ميريد شرح الكتب فقط lookw 7) rotor DC ined sove in peaper I need a detailed solution on paper please 064 Q1// Find the solution of QI/Find the solution of Inxy= 7357 x+2y³ y' = xy3arrow_forwardR₂ = X2 2) slots per pole per phase 3/31 msl 180 60 Kd Ka Sin (1) Isin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed, 120*50 1000 6 S = 1000-950 1000 Copper bosses: 5kw Rotor input 5 0.05 : loo kw 6) 1 اذا ميريد شرح الكتب فقط 100 7) rotor DC ined sove in peaper I need a detailed solution on paper please Find the general solution of the following equations: Q2lyl-4y+13y=esinx. Find the general solution of the following equations: " Qly (49) - 16y= 0. 151arrow_forward
- ۳/۱ R₂ = X2 2) slots per pole per phase = 3/31 B-18060 msl kd Kasi Sin (1) I sin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed s = 1000-950 1000 Copper losses: 5kw Rotor input 5 0.05 6) 1 120 x 50 G loo kw اذا میرید شرح الكتب فقط look 7) rotor DC ined sove in peaper I need a detailed solution on paper dy please 04 12=-cosx.y + 2cosx with y(x) = 1 か 'Oy + xlny + xe")dx + (xsiny + xlnx +*dy=0. 01arrow_forward٣/١ R2X2 2) slots per pole per phase = 3/31 B, 18060 msl kd Kas Sin (1) 1sin() sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speeds S = 1000-950 1000 Copper bosses 5kw 120*50 loca G Rotor input 5 loo kw 0.05 6) 1 اذا ميريد شرح الكتب فقط lookw 7) rotor ined sove in peaper I need a detailed solution on paper please DC 口 04 on its wheels as shown in figure. The the door is 8 m below the free surface o is located at the center of the d no water leaks an accident and lands at the bottom of the lake 12m high and I m wide, and the top edge of water Determine the hydrostatic force on the discuss if the driver can open the door, if ong person can lift 100 kg, the passenger The door can be approximated as a vertical rec | 279|-|(23+2+12+20=2) AA Find the general solution of the following equations: 11 - 1/4+xy/-(1-x²³)= 0. 2arrow_forward۳/۱ : +0 العنوان I need a detailed drawing with explanation R₂ = X2 2) slots per pole per phase 3/31 Le msl 180 60 Kd Ka Sin (1) Isin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed, 120*50 1000 6 S = 1000-950 1000 Copper bosses: 5kw Rotor input 5 loo kw 0.05 6) 1 اذا ميريد شرح الكتب فقط ١٥٠ 7) rotov DC ined sove in peaper I need a detailed solution on paper please 064 Q1// Find the solution of: ( texty Q1// Find the solution of: '' y' -2y= 22% √y³arrow_forward
- R2X2 2) slots per pole per phase = 3/31 B-180-60 msl kd Ka, Sin (1) I sin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed s = 1000-950 1000 Copper losses 5kw 120 50 G Rotor input 5 loo kw 6) 1 ۳/۱ 0.05 إذا ميريد شرح الكتب فقط look 7) rotov DC ined sove in peaper I need a detailed solution on paper please Find the general solution of the following equations: " yll + 4y = tan2x. Find the general solution of the following equations: 01-24+7=0 T el [A] G ха =T Marrow_forwardR₂ = X2 2) slots per pole per phase = 3/31 B-18060 msl kd Kasi Sin (1) I sin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed s = 1000-950 1000 Copper losses: 5kw Rotor input 5 0.05 6) 1 120 x 50 G loo kw اذا میرید شرح الكتب فقط look 7) rotor DC ined sove in peaper I need a detailed solution on paper please 0 64 Solve the following equations: = dx x²+y2 with y(0) = 1. 7357 Solve the following equations: dy x³+3xy² Q1// = dx 3x²y+y³° 01arrow_forward٣/١ R2X2 2) slots per pole per phase = 3/3 1 B18060 msl Kd 3 Kol Sin (1) 1sin() sin(30) Sin (30) اذا میرید شرح الكتب بس 0 بالفراغ 3) cos (30) 0.866 4) Rotating 5) Synchronous speeds 120*50 G looo 1000-950 1000 50:05 Copper losses: 5kw Rotor input 5 loo kw 0.05 6) 1 اذا ميريد شرح الكتب فقط look 7) rotor DC ined sove in peaper I need a detailed solution on paper please 0 64 (Find the solution of the initial-valued problems: xy' + 2y = x³e* ;y(1) = 0 Q1// Find the solution of: (1) y' + ytqpx = see²x y³arrow_forward
- A fluid has density 800 kg/m³ and flows with velocity v = xi + yj + zk, where x, y, and z are measured in meters, and the components of u are measured in meters per second. Find the rate of flow outward through the part of the paraboloid z = 64 - x² - y² that lies above the xy plane.arrow_forward۳/۱ : +0 العنوان I need a detailed drawing with explanation R₂ = X2 2) slots per pole per phase 3/31 Le msl 180 60 Kd Ka Sin (1) Isin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed, 120 x 50 S = 1000-950 1000 Copper bosses: 5kw Rotor input 5 6 : loo kw 6) 1 0.05 اذا ميريد شرح الكتب فقط 100 7) rotor DC 1000 ined sove in peaper I need a detailed solution on paper please // Find the solution of: |(2xy³ + 4x)y' = x²y² + y² 351 // Find the solution of: (1) 2xyy' = 1+ y² 01 175 T Τ Marrow_forwardFind the flux of the vector field F = (y,−x, 2²) through the helicoid with parameterization r(u, v) = (u cos v, u sin v, v) 0 ≤ u≤ 3, 0 ≤v≤ oriented away from the origin.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Algebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning
Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
Mod-01 Lec-01 Discrete probability distributions (Part 1); Author: nptelhrd;https://www.youtube.com/watch?v=6x1pL9Yov1k;License: Standard YouTube License, CC-BY
Discrete Probability Distributions; Author: Learn Something;https://www.youtube.com/watch?v=m9U4UelWLFs;License: Standard YouTube License, CC-BY
Probability Distribution Functions (PMF, PDF, CDF); Author: zedstatistics;https://www.youtube.com/watch?v=YXLVjCKVP7U;License: Standard YouTube License, CC-BY
Discrete Distributions: Binomial, Poisson and Hypergeometric | Statistics for Data Science; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=lHhyy4JMigg;License: Standard Youtube License