Answer:
The second number is a*t/s
Step-by-step explanation:
s/t = a / x Let x be the second number.
sx = at divide by s
x = at/s
From cosine law
c^2 = a^2 + b^2 -2abcos(C)
cos(C) = (a^2 + b^2 - c^2)/2ab
this formula will solve your problem
Answer:
B
Step-by-step explanation:
Change in value = 87 - 42 = 45
percentage change = 45/42 x 100 = 107%
Answer:
1500 millimeters
Step-by-step explanation: