Y=-2x -5graph the line
1 answer:
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Answer:
The two readings that are cutoff values are T=1.84 deg C and T=-1.84 deg C.
Step-by-step explanation:
Thermometers rejected by measurements above normal represent 3.3% of the total, which indicates, by normal probability distribution data, that accepted thermometers are 96.7% likely to measure less than the maximum allowable temperature.
This value (P(X>x)=0.967) corresponds to z = 1.8388. Since the mean and standard deviation values are the same as the standard normal probability distribution (mean = 0, sd = 0), the z value is equivalent to the measured value (temperature).
Given the symmetry of the probability distribution, we can affirm that the thermometers rejected by measurements below the permissible measured a temperature lower than -1.8388.
Answer:
For the triangle,
For the rectangle,
Step-by-step explanation:
To solve for x in these equations, we have treat each side as it's just one number - add them all up.
The perimeter of a triangle will be the sum of all 3 of its sides.
So:
We can combine like terms to get
Subtract 1 from both sides:
Divide both sides by 4:
For the rectangle, the perimeter is , so we can add up the sides.
Combine like terms:
Add 4 to both sides:
Divide both sides by 18:
Simplifying this fraction gets us
Hope this helped!