BEGINNING+INTER.ALG.(LL)
5th Edition
ISBN: 9781266511486
Author: Miller
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 14.1, Problem 26PE
For Exercises 25–32, evaluate the expression. (See Example 2.)
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
e).
n!
(n - 1)!
Suppose you flip a fair two-sided coin four times and record the result.
a). List the sample space of this experiment. That is, list all possible outcomes that could
occur when flipping a fair two-sided coin four total times. Assume the two sides of the coin are
Heads (H) and Tails (T).
e).
n!
(n - 1)!
Chapter 14 Solutions
BEGINNING+INTER.ALG.(LL)
Ch. 14.1 - Prob. 1SPCh. 14.1 - Prob. 2SPCh. 14.1 - Evaluate the expressions.
3. 1!
Ch. 14.1 - Prob. 4SPCh. 14.1 - Prob. 5SPCh. 14.1 - Prob. 6SPCh. 14.1 - Write out the first three terms of ( x + y ) 5 .Ch. 14.1 - 8. Use the binomial theorem to expand .
Ch. 14.1 - Use the binomial theorem to expand ( 2 a − 3 b 2 )...Ch. 14.1 - Find the fourth term of ( x + y ) 8 .
Ch. 14.1 - 11. Find the fifth term of .
Ch. 14.1 - a. The expanded form of ( x + b ) 2 =...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 2–7, expand the binomials. Use...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For Exercises 8–13, rewrite each binomial of the...Ch. 14.1 - For a > 0 and b > 0 , what happens to the signs of...Ch. 14.1 - For Exercises 15–18, evaluate the expression. (See...Ch. 14.1 - For Exercises 15–18, evaluate the expression. (See...Ch. 14.1 - For Exercises 15–18, evaluate the expression. (See...Ch. 14.1 - For Exercises 15–18, evaluate the expression. (See...Ch. 14.1 - True or false: 0 ! ≠ 1 !Ch. 14.1 - True or false: n! is defined for negative...Ch. 14.1 - True or false: n ! = n for n = 1 and 2 .Ch. 14.1 -
22. Show that !
Ch. 14.1 - Show that 6 ! = 6 ⋅ 5 !Ch. 14.1 - Show that 8 ! = 8 ⋅ 7 !Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - For Exercises 25–32, evaluate the expression. (See...Ch. 14.1 - Prob. 33PECh. 14.1 - Prob. 34PECh. 14.1 - Prob. 35PECh. 14.1 - For Exercises 33–36, find the first three terms of...Ch. 14.1 - Prob. 37PECh. 14.1 - Prob. 38PECh. 14.1 - Prob. 39PECh. 14.1 - Prob. 40PECh. 14.1 - For Exercises 39–50, use the binomial theorem to...Ch. 14.1 - Prob. 42PECh. 14.1 - Prob. 43PECh. 14.1 - Prob. 44PECh. 14.1 - Prob. 45PECh. 14.1 - For Exercises 39–50, use the binomial theorem to...Ch. 14.1 - Prob. 47PECh. 14.1 - For Exercises 39–50, use the binomial theorem to...Ch. 14.1 - Prob. 49PECh. 14.1 - Prob. 50PECh. 14.1 - Prob. 51PECh. 14.1 - Prob. 52PECh. 14.1 - Prob. 53PECh. 14.1 - Prob. 54PECh. 14.1 - Prob. 55PECh. 14.1 - For Exercises 51–56, find the indicated term of...Ch. 14.2 - Prob. 1SPCh. 14.2 - Prob. 2SPCh. 14.2 - Prob. 3SPCh. 14.2 - Prob. 4SPCh. 14.2 - Prob. 5SPCh. 14.2 - Prob. 6SPCh. 14.2 - Prob. 7SPCh. 14.2 - Prob. 8SPCh. 14.2 - Prob. 9SPCh. 14.2 - Prob. 10SPCh. 14.2 - Prob. 11SPCh. 14.2 - Prob. 12SPCh. 14.2 - Prob. 1PECh. 14.2 - Prob. 2PECh. 14.2 - Prob. 3PECh. 14.2 - Prob. 4PECh. 14.2 - Prob. 5PECh. 14.2 - Prob. 6PECh. 14.2 - Prob. 7PECh. 14.2 - Prob. 8PECh. 14.2 - Prob. 9PECh. 14.2 - Prob. 10PECh. 14.2 - Prob. 11PECh. 14.2 - Prob. 12PECh. 14.2 - Prob. 13PECh. 14.2 - Prob. 14PECh. 14.2 - Prob. 15PECh. 14.2 - Prob. 16PECh. 14.2 - Prob. 17PECh. 14.2 - Prob. 18PECh. 14.2 - Prob. 19PECh. 14.2 - Prob. 20PECh. 14.2 - Prob. 21PECh. 14.2 - Prob. 22PECh. 14.2 - Prob. 23PECh. 14.2 - Prob. 24PECh. 14.2 - Prob. 25PECh. 14.2 - Prob. 26PECh. 14.2 - Prob. 27PECh. 14.2 - Prob. 28PECh. 14.2 - Prob. 29PECh. 14.2 - For Exercises 21–32, find a formula for the nth...Ch. 14.2 - Prob. 31PECh. 14.2 - Prob. 32PECh. 14.2 - Edmond borrowed $500. To pay off the loan, he...Ch. 14.2 - Prob. 34PECh. 14.2 - Prob. 35PECh. 14.2 - Prob. 36PECh. 14.2 - Prob. 37PECh. 14.2 - Prob. 38PECh. 14.2 - Prob. 39PECh. 14.2 - Prob. 40PECh. 14.2 - Prob. 41PECh. 14.2 - Prob. 42PECh. 14.2 - Prob. 43PECh. 14.2 - Prob. 44PECh. 14.2 - Prob. 45PECh. 14.2 - Prob. 46PECh. 14.2 - For Exercises 39–54, find the sums. (See Examples...Ch. 14.2 - Prob. 48PECh. 14.2 - For Exercises 39–54, find the sums. (See Examples...Ch. 14.2 - Prob. 50PECh. 14.2 - Prob. 51PECh. 14.2 - Prob. 52PECh. 14.2 - Prob. 53PECh. 14.2 - For Exercises 39–54, find the sums. (See Examples...Ch. 14.2 - Prob. 55PECh. 14.2 - Prob. 56PECh. 14.2 - Prob. 57PECh. 14.2 - Prob. 58PECh. 14.2 - Prob. 59PECh. 14.2 - Prob. 60PECh. 14.2 - Prob. 61PECh. 14.2 - Prob. 62PECh. 14.2 - Prob. 63PECh. 14.2 - For Exercises 55–66, write the series in summation...Ch. 14.2 - Prob. 65PECh. 14.2 - Prob. 66PECh. 14.2 - Prob. 67PECh. 14.2 - Prob. 68PECh. 14.2 - Prob. 69PECh. 14.2 - Prob. 70PECh. 14.2 - 71. A famous sequence in mathematics is called the...Ch. 14.3 - Prob. 1SPCh. 14.3 - Prob. 2SPCh. 14.3 - Prob. 3SPCh. 14.3 - Prob. 4SPCh. 14.3 - Prob. 5SPCh. 14.3 - Prob. 1PECh. 14.3 - Prob. 2PECh. 14.3 - Prob. 3PECh. 14.3 - Prob. 4PECh. 14.3 - Prob. 5PECh. 14.3 - Prob. 6PECh. 14.3 - Prob. 7PECh. 14.3 - Prob. 8PECh. 14.3 - Prob. 9PECh. 14.3 - For Exercises 7–12, the first term of an...Ch. 14.3 - Prob. 11PECh. 14.3 - Prob. 12PECh. 14.3 - Prob. 13PECh. 14.3 - Prob. 14PECh. 14.3 - Prob. 15PECh. 14.3 - Prob. 16PECh. 14.3 - Prob. 17PECh. 14.3 - Prob. 18PECh. 14.3 - Prob. 19PECh. 14.3 - Prob. 20PECh. 14.3 - Prob. 21PECh. 14.3 - Prob. 22PECh. 14.3 - Prob. 23PECh. 14.3 - Prob. 24PECh. 14.3 - Prob. 25PECh. 14.3 - Prob. 26PECh. 14.3 - Prob. 27PECh. 14.3 - Prob. 28PECh. 14.3 - Prob. 29PECh. 14.3 - For Exercises 25–33, write the nth term of the...Ch. 14.3 - For Exercises 25–33, write the nth term of the...Ch. 14.3 - Prob. 32PECh. 14.3 - Prob. 33PECh. 14.3 - Prob. 34PECh. 14.3 - Prob. 35PECh. 14.3 - Prob. 36PECh. 14.3 - Prob. 37PECh. 14.3 - Prob. 38PECh. 14.3 - Prob. 39PECh. 14.3 - Prob. 40PECh. 14.3 - Prob. 41PECh. 14.3 - Prob. 42PECh. 14.3 - Prob. 43PECh. 14.3 - For Exercises 42–49, find the number of terms, n,...Ch. 14.3 - Prob. 45PECh. 14.3 - Prob. 46PECh. 14.3 - Prob. 47PECh. 14.3 - Prob. 48PECh. 14.3 - Prob. 49PECh. 14.3 - Prob. 50PECh. 14.3 - Prob. 51PECh. 14.3 - Prob. 52PECh. 14.3 - Prob. 53PECh. 14.3 - Prob. 54PECh. 14.3 - For Exercises 53–66, find the sum of the...Ch. 14.3 - Prob. 56PECh. 14.3 - Prob. 57PECh. 14.3 - Prob. 58PECh. 14.3 - For Exercises 53–66, find the sum of the...Ch. 14.3 - Prob. 60PECh. 14.3 - Prob. 61PECh. 14.3 - Prob. 62PECh. 14.3 - Prob. 63PECh. 14.3 - Prob. 64PECh. 14.3 - For Exercises 53–66, find the sum of the...Ch. 14.3 - Prob. 66PECh. 14.3 - Find the sum of the first 100 positive integers.Ch. 14.3 - Prob. 68PECh. 14.3 - Prob. 69PECh. 14.3 - A triangular array of dominoes has one domino in...Ch. 14.4 - Prob. 1SPCh. 14.4 - Prob. 2SPCh. 14.4 - Prob. 3SPCh. 14.4 - Prob. 4SPCh. 14.4 - Prob. 5SPCh. 14.4 - Prob. 6SPCh. 14.4 - Prob. 7SPCh. 14.4 - Prob. 8SPCh. 14.4 - 1. a. A ______________sequence is a sequence in...Ch. 14.4 - Prob. 2PECh. 14.4 - Prob. 3PECh. 14.4 - Prob. 4PECh. 14.4 - Prob. 5PECh. 14.4 - Prob. 6PECh. 14.4 - Prob. 7PECh. 14.4 - Prob. 8PECh. 14.4 - Prob. 9PECh. 14.4 - Prob. 10PECh. 14.4 - Prob. 11PECh. 14.4 - Prob. 12PECh. 14.4 - Prob. 13PECh. 14.4 - Prob. 14PECh. 14.4 - Prob. 15PECh. 14.4 - Prob. 16PECh. 14.4 - Prob. 17PECh. 14.4 - Prob. 18PECh. 14.4 - Prob. 19PECh. 14.4 - Prob. 20PECh. 14.4 - For Exercises 19–24, write the first five terms of...Ch. 14.4 - Prob. 22PECh. 14.4 - Prob. 23PECh. 14.4 - For Exercises 19–24, write the first five terms of...Ch. 14.4 - Prob. 25PECh. 14.4 - Prob. 26PECh. 14.4 - Prob. 27PECh. 14.4 - Prob. 28PECh. 14.4 - For Exercises 25–30, find the n th term of each...Ch. 14.4 - Prob. 30PECh. 14.4 - Prob. 31PECh. 14.4 - Prob. 32PECh. 14.4 - Prob. 33PECh. 14.4 - Prob. 34PECh. 14.4 - Prob. 35PECh. 14.4 - Prob. 36PECh. 14.4 - Prob. 37PECh. 14.4 - Prob. 38PECh. 14.4 - Prob. 39PECh. 14.4 - Prob. 40PECh. 14.4 - Prob. 41PECh. 14.4 - If the second and third terms of a geometric...Ch. 14.4 - 43. Explain the difference between a geometric...Ch. 14.4 - Prob. 44PECh. 14.4 - Prob. 45PECh. 14.4 - Prob. 46PECh. 14.4 - Prob. 47PECh. 14.4 - Prob. 48PECh. 14.4 - Prob. 49PECh. 14.4 - Prob. 50PECh. 14.4 - Prob. 51PECh. 14.4 - Prob. 52PECh. 14.4 - For Exercises 47–56, find the sum of the geometric...Ch. 14.4 - For Exercises 47–56, find the sum of the geometric...Ch. 14.4 - For Exercises 47–56, find the sum of the geometric...Ch. 14.4 - For Exercises 47–56, find the sum of the geometric...Ch. 14.4 - Prob. 57PECh. 14.4 - Prob. 58PECh. 14.4 - Prob. 59PECh. 14.4 - Prob. 60PECh. 14.4 - Prob. 61PECh. 14.4 - Prob. 62PECh. 14.4 - Prob. 63PECh. 14.4 - Prob. 64PECh. 14.4 - Prob. 65PECh. 14.4 - Prob. 66PECh. 14.4 - Prob. 67PECh. 14.4 - Prob. 68PECh. 14.4 - Prob. 69PECh. 14.4 - Prob. 70PECh. 14.4 - Prob. 71PECh. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14.4 - Prob. 2PRECh. 14.4 - Prob. 3PRECh. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14.4 - Prob. 5PRECh. 14.4 - Prob. 6PRECh. 14.4 - Prob. 7PRECh. 14.4 - Prob. 8PRECh. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14.4 - Prob. 10PRECh. 14.4 - Prob. 11PRECh. 14.4 - Prob. 12PRECh. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14.4 - Prob. 14PRECh. 14.4 - Prob. 15PRECh. 14.4 - Prob. 16PRECh. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14.4 - For Exercises 1–18, determine if the sequence is...Ch. 14 - Prob. 1RECh. 14 - Prob. 2RECh. 14 - Prob. 3RECh. 14 - Prob. 4RECh. 14 - Prob. 5RECh. 14 - Prob. 6RECh. 14 - Prob. 7RECh. 14 - Prob. 8RECh. 14 - Prob. 9RECh. 14 - 10. Find the middle term of the binomial...Ch. 14 - For Exercises 11–14, write the terms of the...Ch. 14 - Prob. 12RECh. 14 - Prob. 13RECh. 14 - Prob. 14RECh. 14 - Prob. 15RECh. 14 - Prob. 16RECh. 14 - Prob. 17RECh. 14 - Prob. 18RECh. 14 - For Exercises 19–20, find the sum of the...Ch. 14 - Prob. 20RECh. 14 - Prob. 21RECh. 14 - Prob. 22RECh. 14 - Prob. 23RECh. 14 - Prob. 24RECh. 14 - Prob. 25RECh. 14 - Prob. 26RECh. 14 - Prob. 27RECh. 14 - Prob. 28RECh. 14 - For Exercises 29–30, find the number of terms. 3 ,...Ch. 14 - Prob. 30RECh. 14 - Prob. 31RECh. 14 - Prob. 32RECh. 14 - For Exercises 33–36, find the sum of the...Ch. 14 - Prob. 34RECh. 14 - Prob. 35RECh. 14 - Prob. 36RECh. 14 - For Exercises 37–38, find the common ratio. 5 , 15...Ch. 14 - Prob. 38RECh. 14 - Prob. 39RECh. 14 - Prob. 40RECh. 14 - Prob. 41RECh. 14 - Prob. 42RECh. 14 - Prob. 43RECh. 14 - Prob. 44RECh. 14 - Prob. 45RECh. 14 - Prob. 46RECh. 14 - Prob. 47RECh. 14 - Prob. 48RECh. 14 - Prob. 49RECh. 14 - Prob. 50RECh. 14 - Prob. 51RECh. 14 - Prob. 1TCh. 14 - Prob. 2TCh. 14 - Prob. 3TCh. 14 - Prob. 4TCh. 14 - Find the sixth term. ( a − c 3 ) 8Ch. 14 - Write the terms of the sequence. a n = − 3 n + 2 ;...Ch. 14 - 7. Find the sum.
Ch. 14 - a. An 8-in. tomato seedling is planted on Sunday....Ch. 14 - Prob. 9TCh. 14 - Find the common difference. 3 , 13 4 , 7 2 , ...Ch. 14 - 11. Find the common ratio.
Ch. 14 - Prob. 12TCh. 14 - Prob. 13TCh. 14 - Prob. 14TCh. 14 - Write an expression for the n th term of the...Ch. 14 - 16. Find the number of terms in the sequence.
Ch. 14 - 17. Find the number of terms in the sequence.
Ch. 14 - Prob. 18TCh. 14 - 19. Find the sum of the geometric series.
Ch. 14 - Prob. 20TCh. 14 - Given a geometric series with a 6 = 9 and r = 3 ,...Ch. 14 - 22. Find the 18th term of the arithmetic sequence...Ch. 14 - Prob. 23TCh. 14 - Prob. 1CRECh. 14 - Prob. 2CRECh. 14 - Prob. 3CRECh. 14 - Prob. 4CRECh. 14 - Prob. 5CRECh. 14 - Prob. 6CRECh. 14 - Prob. 7CRECh. 14 - Prob. 8CRECh. 14 - Prob. 9CRECh. 14 - Prob. 10CRECh. 14 - Prob. 11CRECh. 14 - Prob. 12CRECh. 14 - Prob. 13CRECh. 14 - For Exercises 14–17, factor completely. 6 a 2 − 17...Ch. 14 - Prob. 15CRECh. 14 - Prob. 16CRECh. 14 - For Exercises 14–17, factor completely. w 3 + 9 w...Ch. 14 - Prob. 18CRECh. 14 - Prob. 19CRECh. 14 - Prob. 20CRECh. 14 - For Exercises 18–25, solve the equation. ( 5 y − 2...Ch. 14 - Prob. 22CRECh. 14 - Prob. 23CRECh. 14 - Prob. 24CRECh. 14 - Prob. 25CRECh. 14 - 26. Write the expression as a single logarithm.
Ch. 14 - 27. Use a calculator to approximate the value of...Ch. 14 - For Exercises 28–32, solve the inequality. Write...Ch. 14 - For Exercises 28–32, solve the inequality. Write...Ch. 14 - Prob. 30CRECh. 14 - For Exercises 28–32, solve the inequality. Write...Ch. 14 - Prob. 32CRECh. 14 - Prob. 33CRECh. 14 - Prob. 34CRECh. 14 - For Exercises 33–35, graph the equation.
35.
Ch. 14 - Graph the solution set. x 2 9 + y 2 25 ≤ 1Ch. 14 - 37. Given
a. Determine the...Ch. 14 - Prob. 38CRECh. 14 - Write an equation of the line passing through the...Ch. 14 - Prob. 40CRECh. 14 - Prob. 41CRECh. 14 - Prob. 42CRECh. 14 - Prob. 43CRECh. 14 - Given the points ( 9 , − 4 ) and ( 3 , 0 ) , a....Ch. 14 - Prob. 45CRECh. 14 - The time t ( n ) (in minutes) required for a rat...Ch. 14 - The speed of a car varies inversely as the time to...Ch. 14 - Prob. 48CRECh. 14 - Prob. 49CRECh. 14 - 50. Against the wind, a plane can travel 4950 mi...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- Evaluate the following expression and show your work to support your calculations. a). 6! b). 4! 3!0! 7! c). 5!2! d). 5!2! e). n! (n - 1)!arrow_forwardAmy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement. Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater. The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?arrow_forwardConsider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph. The domain is all real numbers. The range is y> 0. The equation of the asymptote is y = 0 The y-intercept is 1arrow_forward
- The graph shows Alex's distance from home after biking for x hours. What is the average rate of change from -1 to 1 for the function? 4-2 о A. -2 О B. 2 О C. 1 O D. -1 ty 6 4 2 2 0 X 2 4arrow_forwardWrite 7. √49 using rational exponents. ○ A. 57 47 B. 7 O C. 47 ○ D. 74arrow_forwardCan you check If my short explantions make sense because I want to make sure that I describe this part accuratelyarrow_forward
- 9! is 362, 880. What is 10!?arrow_forwardBruce and Krista are going to buy a new furniture set for their living room. They want to buy a couch, a coffee table, and a recliner. They have narrowed it down so that they are choosing between \[4\] couches, \[5\] coffee tables, and \[9\] recliners. How many different furniture combinations are possible?arrow_forwardCan you check if my step is correct?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin HarcourtGlencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL

Big Ideas Math A Bridge To Success Algebra 1: Stu...
Algebra
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:Houghton Mifflin Harcourt

Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill

Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ALGEBRAIC EXPRESSIONS & EQUATIONS | GRADE 6; Author: SheenaDoria;https://www.youtube.com/watch?v=fUOdon3y1hU;License: Standard YouTube License, CC-BY
Algebraic Expression And Manipulation For O Level; Author: Maths Solution;https://www.youtube.com/watch?v=MhTyodgnzNM;License: Standard YouTube License, CC-BY
Algebra for Beginners | Basics of Algebra; Author: Geek's Lesson;https://www.youtube.com/watch?v=PVoTRu3p6ug;License: Standard YouTube License, CC-BY
Introduction to Algebra | Algebra for Beginners | Math | LetsTute; Author: Let'stute;https://www.youtube.com/watch?v=VqfeXMinM0U;License: Standard YouTube License, CC-BY