3 years ago

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Mathematics

1 answer:

Effectus [21]3 years ago

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Use the recursive formula f(n) = 0.5 ⋅ f(n − 1) + 10 to determine the 2nd term if f(1) = 4.

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Answer:

Option B. f(2) = 12.0

Step-by-step explanation:

we have

$f(n)=0.5f(n-1)+10$

we know that

The second term is f(2)

For n=2

substitute the value of n in the formula

$f(2)=0.5f(2-1)+10$

$f(2)=0.5f(1)+10$

we have

$f(1)=4$

substitute

$f(2)=0.5(4)+10$

$f(2)=12.0$

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The ratio of males to females at a party is 3 : 5 There are 12 more females than males. How many people are at the party?

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Answer:

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