Answer:
X is 70 degrees
Step-by-step explanation:
In a triangle, all the angles add up to 180.
We can set up an equation:
48+62+x=180
x=180-(48+62)
x=70
Answer:
Z-score = -1.285
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 17.6 seconds
Standard Deviation, σ = 2.1 seconds
Formula:
For x = 14.9, we have:
A z-score to be unusual if its z-score is less than -2.00 or greater than 2.00.
Thus, the z-score is not unusual as it lies in the range [-2.00, 2.00]
Answer: x = 13/3 or x = 4.33333....
Solution: ⅜x -1 +1 = ⅝ + 1
Simplify: ⅜x = 13/8
Multiply both sides by eight: 8 x ⅜x = 133 x 8 divided by 8
Simplify: 3x = 13
Divide both sides by three: 3x/3 = 13/3
Simplify: x = 13/3