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Leto [7]
3 years ago
6

У=-3x+3 y = -9x + 15

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

(2, - 3 )

Step-by-step explanation:

Given the 2 equations

y = - 3x + 3 → (2)

y = - 9x + 15 → (2)

Substitute y = - 3x + 3 into (2)

- 3x + 3 = - 9x + 15 ( add 9x to both sides )

6x + 3 = 15 ( subtract 3 from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

y = - 3(2) + 3 = - 6 + 3 = - 3

solution is (2, - 3 )

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3 years ago
A sequence is defined by the recursive function f(n 1) = one-halff(n). if f(3) = 9 , what is f(1) ?
Afina-wow [57]

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4 0
1 year ago
Simplify: (-7x + 5) - (2x2 – 8x + 6). Choose the standard form of the answer.
Tcecarenko [31]

Answer:

A.-2x2+-1

Step-by-step explanation:

(-7x+5)-(2x2-8x+6)

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If it's helpful ❤❤❤

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