marquttx
marquttx
18-07-2022
Mathematics
contestada
I need help with this
Respuesta :
mathstudent55
mathstudent55
18-07-2022
Answer:
361
Step-by-step explanation:
discriminant = b² - 4ac
= (21)² - 4(1)(20)
= 441 - 80
= 361
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
Your family had a delicious meal at the town Diner. The meal was $52.80. Your server was great so you left a 20% tip. How much did your family pay in total?
Jill swam 200 meters in 2 minutes and 42 seconds. If each lap is 50 meters long which time is her estimated time in seconds per lap
A steak cooked to medium must have an internal temperature of 135°Fto 145°F. Write an inequality that represents the possible temperatures (in degrees Celsius)
22 17 25 41 39 4 Work out the difference between the two prime numbers in the list above.
Read the excerpt from The Republic by Plato. But in reality justice was such as we were describing, being concerned however, not with the outward man, but with
perform the following operation and express the answer in scientific notation 5.7365 x 10^-5 / 3.4891 x 10^-8
Suppose that for a function g (x), g (4) = 7. Select all of the statements that are true. A. B. C. D. E. 4 is in the range of g. For a value a, it is possible
Erin c. is a single woman who has been advised by her doctor to increase her intake of dietary fiber due to frequent constipation. her intake over the past 24 h
Toby needs to save a minimum of $250. If Toby can save $57 a month, how many months will it take for him to save enough? Select the inequality that represents t
Every night for the past four years Amanda had hurried past the creepy old house on her way home from school. Tonight was different, though. This time, as she p
