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please help !! A safety regulation states that the height h of a guardrail should be 106 centimeters with an absolute deviation of no more than 7 centimeters. Write and solve an absolute value inequality that represents the acceptable heights of a guardrail. The absolute value inequality is_ . The acceptable range of heights of a guardrail are _cm to _cm.

Respuesta :

The height h of a guardrail = 106 centimeters

absolute deviation =  7 centimeters

To find the acceptable heights of a guardrail , we add and subtract absolute deviation(7) from the mean height(106)

The acceptable range of height is 7 cm away from 106 to the left and then to the right.

106 + 7 = 113

106 - 7 = 99

acceptable heights are defined by

99 <=h<=113

The absolute value inequality is |x-106|<=7

The acceptable range of heights of a guardrail are 99 cm to 113 cm.


We want to write an absolute value equation for the acceptable range of the height of a guardrail.

The acceptable range of heights of a guardrail is 99cm to 113cm.

And the absolute value equation is:  |h - 106cm| ≤ 7cm

We know that the height should be 106cm with an absolute deviation of no more than 7 cm.

So the maximum height is:

106cm +7cm = 113cm

The minimum is:

106cm -7cm = 99cm

The absolute value equation that represents this is:

|h - 106cm| ≤ 7cm

Where h is the height of the guardrail.

The acceptable range of heights of a guardrail is 99cm to 113cm.

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