Answer:
120
Step-by-step explanation:
i don't know if you still need help, but the answer is x=180-30-30=120 degrees
Answer:
5253 out of 5255 times.

Step-by-step explanation:
Being that the we are determining the probobility of it not bein defecteve, then we simply count the bolts not defective rather then defective ones. We can do this simply by subtracting the defective bolts from 1, or total bolts recieved.

Which is the equation that gives us the answer,

Answer:
try your self more and more times you can easily solve