Answer:
k = 4
Step-by-step explanation:
Given that a varies directly as b then the equation relating them is
a = kb ← k is the constant of variation
To find k use the condition a = 8 when b = 2
k = =
= 4
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Answer:
-1.2 cm
Step-by-step explanation:
Let's figure out where the ant is after each step.
Step 1
Start at +3.0
Move left <u> - 1.5 </u>
Now at +1.5
Step 2
Start at +1.5
Move right <u> + 4.9 </u>
Now at +6.4
Step 3
Start at +6.4
Move left <u> - 7.6 </u>
Now at -1.2
The ant is now at -1.2 cm.
