The correct answer is line TX and line QX are perpendicular.
Answer:
1)0.1cm
2)0.05cm
3)1.65cm
4)1.75cm
Step-by-step explanation:
Answer:
negative reciprocals of each other
You multiply 76 by 0.93. That is 70.68 which rounds to 71. To check, (71/76) = ~93.
Answer:
34,220
Step-by-step explanation:
Because order doesn't matter, but the numbers can't be repeated, we need to find the number of combinations where 3 individual numbers can be chosen out of 60 possible numbers using the binomial coefficient:

Thus, Elias can make 34,220 unique 3-number codes given 60 different numbers.