Answer:
the answer is 4x-3
Step-by-step explanation:
3:1 should be the answer.
Answer:
<u>-5 ± √5² - 4 · 1 · 4</u>
2 · 1
Step-by-step explanation:
ax²+bx+c=0 (quadratic equation)
x=<u> -b ± √b² - 4ac</u>
2a
a= 1
b= 5
c= 4
-<u>5 ± √5² - 4 · 1 · 4</u>
2 · 1
Extra 10, 10 is half of what she ordered so she received an extra 50%
Answer:
the price was reduced by 28%
