Answer:
Step-by-step explanation:
= (x^2 + h^2 - 2xh) + (y^2 + k^2 - 2yk) As, (a-b)^2 = a^2 + b^2 - 2ab
= x^2 + h^2 - 2xh + y^2 + k^2 - 2yk
Answer:
12
Step-by-step explanation:
ΔBAD is similar to ΔCBD. So we can write a proportion:
BD / CD = AD / BD
h / 16 = 9 / h
h² = 144
h = 12
Answer:= 1.599 × 107
Step-by-step explanation:
here you go
Answer: the answer is 8
Step-by-step explanation:
the Mean total just means average
Formula =
sum of all numbers / amount of numbers
= 5+10+15+7+3 = 40
40 / 5 = 8