Answer:
The standard form of a parabola is
y=ax2+ +bx+c, where a≠0.
To find the vertex, you need to find the x- and y-coordinates.
Let n be the 40%, and 100-n be the 10%. Then:
.4n+.1(100-n)=.22(100)
.3n+10=22
.3n=12
n=40
The candy distributor needs 40kg of 40%, and 60kg of 10%
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Answer:
a) 127m (3 s.f.)
b) 271m (3 s.f.)
Step-by-step explanation:
Please see the attached pictures for full solution.
Method 1 is written in black and method 2 is written in pink.
Answer:
b
Step-by-step explanation:
im 50% sure this write dont blame me man
True; this statement is true.