17. Which of the following equations is equivalent to 9x -12 = 36 ?
2 answers:
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Answer:
0.8
Step-by-step explanation:
To calculate the cost of any item per pound, divide the cost of the item by its weight in pounds: cost ÷ pounds = cost per pound.
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The graph intersects the x-axis twice. It intersects at the points of (-1,0) and (2.5,0). The graph is attached.
it will take 8 months for these trees to be same height
Further explanation:
Let x be the number of years then,
Type A is 5 feet tall and grows at a rate of 19 inches per year
The expression for Type A is:
5+19x
Type B is 7 feet tall and grows at a rate of 16 inches per year
The expression for Type B is:
7+16x
Putting both of them equal will give us the time in which both to be same height
Hence, it will take 8 months for these trees to be same height
Keywords: Rate of Change, Linear Equations
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