Answer:
b 2，3，8
Step-by-step explanation:
Y=234678
Z=278910
X=12358
234678910 n 12358
=238
The value of k is
<h3>How to solve the simultaneous equation?</h3>
Given:
x-y=k.............(eq i)
2x²+y²-15..............(eq ii)
We would make y the subject formula in eq ii
2x²+y²-15= 0
2x² + y²= 15
y²= 15-2x²
y= 
...........(eq iii)
Substitute the value of y into eq i
x-(= k
x- (
= k
k=
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Answer:
y = 2.5 + 4.75, every additional rose sold , x, increases the cost of the rose, y, by 2.50
Step-by-step explanation:
Answer: the first one
Step-by-step explanation:
It is the only one that is right
Answer:
24
Step-by-step explanation:
x:12
6:3
When 12 go to 3: multiple 4
So 6 multiple 4 = 24
