Answer:
21 x 3.1 / 2 = 32.55
Step-by-step explanation:
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:
x = 3.748
Step-by-step explanation:
this problem requires logs

x = 2 + log_7 (30) or 3.7479
Answer:
Step-by-step explanation:
20 gallons of water for 5 days...
20/5 = 4 gallons per day
1 gallon = 3.8 liters.....so 4 gallons = (3.8 * 4) = 15.2 liters per day <==