What number could make this equations have no value of x. 3x+8 = 3x + ?
2 answers:
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Answer:
x = -(8/5) or -()
Step-by-step explanation:
-5x+12=20
-5x=20-12
-5x=8
x = -(8/5) or -()
Answer:
B - P=11.8(1.02)^t
Step-by-step explanation:
An exponential function is defined as:
.
Recall, a is the starting value, b is the rate, and x is the input (often time).
We will substitute a=11.8 million, b=1.02, and x=t for years. Notice b=1.02 and not 0.02. Because the population is increasing, we multiply by 1+r to add the growth onto the current population.
We write: where y is population in millions.