ANSWER: 11.08
EXPLANATION: Add a zero after the 9 to make the number 29.90. Then subtract normally.
Answer:
To find a b and c in a quadratic equation, the x^2 number is a, so 7x^2 is your a value, your b value is just the x, so your b value is -9, and your c value is the regular number, which is 18. a=7x^2 b=-9x c = 18. So your answer is answer B.
Step-by-step explanation:
1 and 1/10
i think that is what it is
Answer:
option e
Step-by-step explanation:
2x^2-4x+9
use formula x=(-b+-root(b^2-4ac))/2a