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Nostrana [21]
3 years ago
5

Evaluate the expression when a = 2, b=8 and c=12 c-2(a)+b​

Mathematics
1 answer:
denpristay [2]3 years ago
5 0

Answer:

16

Step-by-step explanation:

First, sub in the variables for the given numbers.

12 - 2(2) + 8

Then, use PEMDAS to find your answer.

12 - 2(2) + 8

12 - 4 + 8

8 + 8

16

Last, you get 16.

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Step by step equation:

The agency fee is 35% of one months payment ($4,116.66) or ($1,440.83)

all you had to do is 49,400 divided by 12 months and you get $4,116.66 and then you times that by 35% and you get $1,440.83

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4 years ago
A function k whose domain is the set of positive integers is defined as k(1) = 4 and k(n) =
strojnjashka [21]

Answer:

k(2) = 2

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Step-by-step explanation:

Given:

\begin{cases}k(1)=4\\k(n)=k(n-1)-2\end{cases}

The function k(n) tells us that each term is 2 less than the preceding term.

Therefore:

\implies k(1)=4

\implies k(2)=k(1)-2=4-2=2

\implies k(3)=k(2)-2=2-2=0

\implies k(4)=k(3)-2=0-2=-2

\implies k(5)=k(4)-2=-2-2=-4

\implies k(6)=k(5)-2=-4-2=-6

Rearranging the formula to make the preceding term the subject:

\begin{aligned} k(n) & = k(n-1) - 2\\\implies k(n)+2 & = k(n-1)\\k(n-1) & =k(n)+2\end{aligned}

Therefore:

\implies k(1)=4

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<u>Conclusion</u>

Therefore, the correct answers from the answer options are:

k(2) = 2   and   k(3) = 0

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