Z varies directly as x2. If z = 12 when x=2, find z when x=4. Z=
1 answer:
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Answer:
1) .
2)
3)
4)
5)
6)
7)
8)
Step-by-step explanation:
In the given number lines, rightarrows represent positive integers and leftarrows represent negative integers.
1)
In first number line we have two rightarrows.
Rightarrow from 0-4 = 4
Rightarrow from 4-9 = 5
So, required sum is .
Similarly,
2)
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4)
5)
6)
7)
8)