Answer:
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Answer:
The equations that represent an exponential decay are;
A; [y = (0.1)ˣ]
B; [y = 2·(0.3)ˣ]
Step-by-step explanation:
An exponential decay is given by the following formula;
y = a·bˣ
Where;
b < 1
For option A, we have; [y = (0.1)ˣ]
Here; a = 1, b = 0.1 < 1, therefore, the function represents an exponential decay
For option B, we have; [y = 2·(0.3)ˣ]
Here; a = 2, b = 0.3 < 1, therefore, the function represents an exponential decay
For option C, we have;
Here; a = 1, b = , therefore, the function does not represent an exponential decay
For option D, we have;
Here; a = 1, b = , therefore, the function does not represent an exponential decay
Part A
Fraction of peach 2/5
Total = 200
number of students that pick peach as their favorite fruits
Part B
number of students that pick orange as their favorite fruits
number of students that pick plum as their favorite fruits
There are 55 more students that chose orange rather than plum.
Answer:
D, X=-1.34
Step-by-step explanation:
1 :Multiply both sides by - 10
2 :Add 20X at both sides
3 : Divide by 32
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