Answer:
Step-by-step explanation:
x ² - 36 = 5x
x²-5x-36=0
a=1 b= -5 c=-36
calculate the discriminent b²-4ac ......continu
Answer:
19/20
Step-by-step explanation:
20 is the total number of people (the denominator) and 19 is the amount of people able to pay card (the numerator)
The formula for percent error is the absolute vale of: theoretical-experimental and the result of that divided by the theoretical so it is 120-94=26 and divide that by 120 and it is .216 so round up to .22 and then multiply by 100 which is 22 so 22%
(I think)
Answer:
C) 12/20
Step-by-step explanation:
Between 1 and 20, 10 numbers are even, 4 numbers are perfect squares (1, 4, 9, and 16), and 2 numbers are both even and perfect squares (4 and 16).
So the probability is:
(10 + 4 − 2) / 20 = 12/20.
Answer:
Lines that have a slope of -3
Step-by-step explanation:
Take the negative reciprocal of 1/3 and all lines that have that as the slope are perpendicular
