Answer:
k = 8
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 32 when x = 4, then
32 = 4k ( divide both sides by 4 )
8 = k
Answer:
=10
Step-by-step explanation:
5x-4x². (x=2)
5(2)-4(2)²
=10-0
=<em>1</em><em>0</em>
Answer:
9/10=9.00
2=20
3 1/10=31
10=100
Step-by-step explanation:
Hope this helps