Y = -2x + 4
substitute the value of x = 1 to the equation:
y = -2 · 1 + 4 = -2 + 4 = 2
Answer: a. 2
She needs at least 130 points, so 130 - 75 (that she is earning from the sign up) = 65 points.
65 : 5,5 = 11,81 ≈ 12
So she has to sign up and visit he movie theatre at least 12 times to earn a movie ticket.
-4.2c+4.8d is the answer to this equation.
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➷ Anything to the power of a half means you square root it
The square root of 16 is 4
Therefore, your answer is 4
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The value of x is -3, or x= -3
