Answer:
33.3%
Step-by-step explanation:
Let's say the percent change is x%. Then the equation is:
30 + x% * 30 = 40
Subtract 30 from both sides:
x% * 30 = 10
Divide by 30:
x% = 10/30 = 1/3
Remember that % simply means "out of 100", so:
x/100 = 1/3
Multiply both sides by 100:
x = (1/3) * 100 = 33.3%
Answer:
82
Step-by-step explanation:
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Answer:
0.375
Step-by-step explanation:
Answer:
-63
Step-by-step explanation:
Write the problem as a mathematical expression.
Simplify 4−4−8 to substitute in f(x)=−x^2+1
Subtract 4 from 4
Subtract 8 from 0
Replace the variable x with −
8 in the expression
Simplify
Answer = -63
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