4f=2500 because 4 trips from 2500 means 
.
Which of the followeing represents the solution... 4(9+3z)≤12+6z
1 answer:
Solving the inequality we get
Step-by-step explanation:
We need to solve the inequality
Solving:
Multiplying 4 with terms inside the bracket.
Adding -36 on both sides:
Adding -6z on both sides
Divide both sides by 6
So, solving the inequality we get
Keywords: Solving inequalities
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Answer:
(- 4, - 12 ) , (4, 12 )
Step-by-step explanation:
Given the 2 equations
y = 3x → (1)
y = x² + 3x - 16 → (2)
Substitute y = x² + 3x - 16 into (1)
x² + 3x - 16 = 3x ( subtract 3x from both sides )
x² - 16 = 0 ( add 16 to both sides )
x² = 16 ( take the square root of both sides )
x = ± = ± 4
Substitute these values into (1) for corresponding values of y
x = - 4 : y = 3 × - 4 = - 12 ⇒ (- 4, - 12 )
x = 4 : y = 3 × 4 = 12 ⇒ (4, 12 )