Answer:
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Answer:
should be -29.29 %
Step-by-step explanation:
Answer:
y = - 
x
Step-by-step explanation:
Given that x and y vary directly then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition x = - 4, y = 6, thus
k = 
= 
= -
y = - x ← equation of variation
Answer:
1 gallon to 12 miles
Step-by-step explanation:
Distance = 300 miles
Gasoline used = 25 gallons
Expressing as a unit rate :
Distance covered per gallon of gasoline :
Distance / gasoline used
300 / 25
12 miles
Hence, the unit rate is :
1 gallon of gasoline = 12 miles
1 gallon of gasoline will cover 12 miles in distance.
Step-by-step explanation:
y2=x+3
02=x+3
x=-3 b/c... y=0
if for x=0
y=
