Answer:
y = 28
Step-by-step explanation:
Given that y varies directly as x and inversely as z then the equation relating them is
y =
← k is the constant of variation
To find k use the condition y = 4 when x = 2 and z = 7, then
4 =
( multiply both sides by 7 )
28 = 2k ( divide both sides by 2 )
14 = k
y =
← equation of variation
When x = 6 and z = 3 , then
y =
= 14 × 2 = 28
Answer:
€1333.33
Step-by-step explanation:
Al Tom ratio to Joe=5:4
Joe gets 1.5 times the amount Al gets
€3000 in the ratio 5:4
Al share
5/9×3000
=€1666.67
Joe share
4/9×3000
=€1333.33
Answer:
false
Step-by-step explanation:
standard form cannot contain fractions or decimals
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