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natita [175]
2 years ago
6

X+3=18 if x>10 please help! Thank you!!!!!

Mathematics
1 answer:
omeli [17]2 years ago
7 0

Given:

  • x + 3 = 18
  • x > 10

To determine the value of "x", we can isolate it in the equation (x + 3 = 18). This can be done by subtracting 3 to both sides of the equation.

⇒ x + 3 - 3 = 18 - 3

⇒ x = 15

To verify that the value of "x" is 15, we need to substitute the value of x into the inequality (x > 10).

⇒ x < 10

⇒ 15 < 10   (True)

Therefore, the value of "x" is 15.

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Let x represent the height of the model.

We have been given that a construction company built a scale model of a building. The model was built using a scale of 3 inches = 32 feet. We are asked to find the height of the model, if  the building is expected to be 200 feet tall.

We will use proportions to solve our given problem as:

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