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Mathematics 9 Online
nikkixmarie:

Please help!

nikkixmarie:

1 attachment
nikkixmarie:

the drop down menu thing says increase or decrease

nikkixmarie:

@Falconmaster

Ultrilliam:

@Vocaloid

Falconmaster:

i was never good at mean medain and mode sorry

Vocaloid:

average rate of change = [C(16) - C(8)]/(16-8) = ?

nikkixmarie:

i dont know, is it 1?

Vocaloid:

look at the table C(16) = ?

nikkixmarie:

10.05

Vocaloid:

good C(8) = ?

nikkixmarie:

2.51

Vocaloid:

good now plug these into this equation [C(16) - C(8)]/(16-8) = ?

nikkixmarie:

i got 0.94

Vocaloid:

good

nikkixmarie:

whats b then increase and decrease

Vocaloid:

this means that, for each 1 inch increase in the diameter of the pizza, the cost increases by $0.94

nikkixmarie:

ok thanks alot

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