4c2 + 7c – 5 = 0 a=4 b=7 c=-5
x = [-b +-sq root (b^2 -4ac)] / 2a
x = [-7 +-sq root(7^2 -4*4*-5)] / 2*4
x = [-7 +-sq root(49 + 80)] / 8
x = [-7 +-5.5677643628] /8
x1 = 0.544727125
x2 = -2.294727125
0.8% of 75 is 6
convert 0.8% to decimal (0.08)
convert 0.08 to fraction (2/25)
x times 2/25 equals 6
multiply each side by the reciprocal of 2/25 (25/2)
2/25 times 25/2 equals one
6 times 25/2 equals 75
so x equals 75
Answer:
0.9265x
Step-by-step explanation:
x - 0.15x + 0.09(0.85x)
x is the initial amount, -0.15x is subtracting 15% of the original amount (leaving 0.85x), and 0.09(0.85x) is the 9% tax.
Simplified:
x - 0.15x + 0.09(0.85x)
= 0.85x + 0.0765x
= 0.9265x
Answer:
684
Step-by-step explanation:
Just divide, 8208/12
because 8208 is the number of tickets overall and 12 is how many performances
Answer: $13
Step-by-step explanation:
From the question, we divide the number of 362 roles by the amount sold.
That is if 362 roles = $4706
1 role = $4706/362 = $13
1 role costs $13
I hope this helps, please mark as brainliest.
