Answer:
X=90°
Y=37°
Z=53°
Step-by-step explanation:
Y=Alternate angle
X=Right angle
Z=Angles in a triangle add up to 180°
Answer: 11.25% depriciation means 11.25% amount decrases per year.
i.e for 1year (1-0.1125)19000=0.8875*19000
so for 14 years multiply 0.08875 14 times to 19000.
Your answer will be arrived.
If any doubt comment.
Step-by-step explanation:
Answer:
A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10 of the chips do not conform to customer requirements.
a) Number of different samples = 20C3 =
=1140
b) 2 good and one bad chip
Number of samples = 10C2 * 10C1 = 45 * 10 =450
c) 2 good 1 bad + 1 good 2 bad + 3 bad
Number of samples = 10C2 * 10C1 + 10C1 * 10C2 + 10C3
= 
Answer:
9 mile/ 1 hour
Step-by-step explanation:
Because the squirrel ran 9 miles in 1 hour, so u have to divide 9 miles by 1 hour.