Answer:
Step-by-step explanation:
x^2 + 3x - 9 =0
By comparing with the equation ax^2+bx+c = 0,
we get,
a = 1, b=3, c = -9
we know the formula for x is,
x = (-b±√(b^2 - 4ac))/2a
x = (-3±√45)/2
x = (-3±3√5)/2
x = (-3+3√5)/2, (-3-3√5)/2
Answer:
about 52 (51.6 to be exact) sixth graders walk to school!
Step-by-step explanation:
1. take 24 and times it by 215
2. divide the above by 100
3. this will give you 51.6
4. round for an approximate value
The answer is A -5m^5-2m^4-6m^2
Answer:
120 minutes
Step-by-step explanation:
D=it 14/7 is 2, multiply 2 by 60 you get 120
