Answer:
Number = 12
Step-by-step explanation:
2n-7=n+5 (+7 to both sides)
2n=n+12 (-n to both sides)
n=12
Answer:
Step-by-step explanation:
-7x-3=21 then 21x-1=-21
When x=0, y=4...
Therefore:
4=a*b⁰
b⁰=1, so a=4.
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When x=1, y=2...
Therefore:
2=4*b¹
4b=2
b=2/4
So... b=1/2.
This means that:
y=4*((1/2)^x)
Answer:
31/5
Step-by-step explanation:
Answer:hypothesis
Step-by-step explanation: