Answer: 123/8.50
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
2 minus 47 equals 45 if that's what your talking about
Answer:
He scored 
points.
Step-by-step explanation:
Given:
Number of points for a correct answer = 
Number of points scored for an incorrect answer = 
Therefore, for 35 correct answers, points scored = 
Now, for 32 incorrect answers, points scored = 
Therefore, net number of points scored by Nathan is:
Therefore, Nathan scored points.
4 min 30 sec = 4.5 minutes.
Divide 108 by 4.5 to get the UNIT RATE which is per 1 minute.
108/4.5 = 24 pages per min
Step-by-step explanation:
the solutions for a quadratic equation is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
a = 1
b = -4
c = k
x = (4 ± sqrt(16 - 4k))/2 = 2 ± sqrt(4 - k)
x1 = 2 + sqrt(4 - k)
x2 = 2 - sqrt (4 - k)
x1 = 2 + x2
2 + sqrt(4 - k) = 2 + 2 - sqrt(4 - k)
2×sqrt(4 - k) = 2
sqrt(4 - k) = 1
4 - k = 1
k = 4 - 1 = 3
x1 = 3
x2 = 1
