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Anastasy [175]
3 years ago
8

Help on number 12 please?​

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

Answer:

f(n)= 5 · 4

f(n) = 5 \times 4 ^{n - 1}

Step-by-step explanation:

You use the explicit formula for geometric sequence. The five is the firat term and is placed correctly. The 4 is the rate of change, because if you multiply 5 by 4 you get 20 and so on.

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A local kids play sold 8 adult tickets and 9 child tickets for a total of $205. On day two they sold only 4 adult tickets and 3
Naya [18.7K]

Answer:

The price of 1 adult ticket is $ 11 and price of 1 child ticket is $13

Step-by-step explanation:

Let x be the cost of 1 adult ticket

Let y be the cost of 1 child ticket

Cost of 8 adult tickets = 8x

Cost of 9 child tickets = 9y

We are given that A local kids play sold 8 adult tickets and 9 child tickets for a total of $205

So, 8x+9y=205 ----- 1

Cost of 4 adult tickets = 4x

Cost of 3 child tickets = 3y

We are given that 4 adult tickets and 3 child tickets for a total of $83.

4x+3y=83 ----2

Plot 1 and 2 on graph

8x+9y=205  -- Red line

4x+3y=83  -- Blue line

Intersection point provides the solution

So, Intersection point =(11,13)

So, The price of 1 adult ticket is $ 11 and price of 1 child ticket is $13

4 0
3 years ago
Need HELP ASAP THANK YOU
Crank

Answer:

im nearing the end, of my fourth year, i feel like ive been lacking, crying too many tears, everyone seemed to say, “it was so great!” but did i miss out, was it a huge mistake?

Step-by-step explanation:

i cant help the fact that i like to be alone, it might sound kinda sad, but thats just what i seem to know, i tend to handle things usually by myself, and i cant ever seem to try and ask for help.

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Answer:

your answer could be right but I'm not sure....

Step-by-step explanation:

Reflection is the mirror line drawn on the notes here. the one picked seems to have a relfection.

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