Answer:
Step-by-step explanation
Hello!
3x/4 + 6=42
3x/4=42-6 = 36
3x = 36*4
3x = 144
x= 144/3 =48
3/4 of 48 = (48*3) / 4 =36
36+6=42
the original number is 48
Answer:
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Step-by-step explanation:



When is cos (x) = 0? <em>at 90° (aka π/2)</em>
Answer: 
Answer:
Exponential Decay -
A quantity is subject to exponential decay if it decreases at a rate proportional to its current value.
Step-by-step explanation:
Hope this answered your question ^^