Express your length and width as algebraic expressions:
width = x
length = 4x
Use the formula for the perimeter of a rectangle to solve for x:
perimeter = 2(length) + 2(width)
50 = 2(4x) + 2(x)
50 = 8x + 2x
50 = 10x
5 = x
The width (x) is 5 feet and the length (4x) is 20 feet.
Answer:
33124 passwords can be created using this format
Step-by-step explanation:
The password will have the following format:
L - L - D - D
There are 26 letters and 7 digits, so the number of possible outcomes in each position is:
26 - 26 - 7 - 7
How many passwords can be created using this format?
26*26*7*7 = 33124
33124 passwords can be created using this format
20×3 is 60 and if Sarah counted 45 beats in 20 seconds you'd multiply 45 by 3 so it would be 135.
Answer:
D
Step-by-step explanation:
number of games won over tickets
6 tickets for every game won