The change in the sign of the x coordinate transformed and no change in value of y coordinate shows transformation with y axis.
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The change in the sign of the x coordinate transformed and no change in value of y coordinate shows transformation with y axis.
The proportion that could be used to solve for the variable is ; h = 7.5 ⇒ answer b
Step-by-step explanation:
A proportional relationship: one variable is always a constant value times the other, that constant is called the constant of proportionality
- y = k x is the equation of the proportional relationship
- We can write the proportional relationship in the form
The number of walls and the number of hours are increased or decreased together
∴ The number of walls and the number of hours are proportion
∵ 16 walls in 40 hours
∵ 3 walls in h hours
- By using the second rule above
∴
The proportion that could be used to solve for the variable is
Let us solve it to find h
∵
- By using cross multiplication
∴ 16 × h = 3 × 40
∴ 16 h = 120
- Divide both sides by 16
∴ h = 7.5
The value of h is 7.5 hours
Learn more:
You can learn more about the proportion in brainly.com/question/10708697
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