Answer:
5 : 30
Step-by-step explanation:
Note that × 10 = 5
Thus 3 × 10 = 30
Hence
: 3 = 5 : 30
Answer:
x = - 12, 3
Step-by-step explanation:
By tangent secant theorem:
Answer:
hours
Step-by-step explanation:
Whenever 2 quantities (suppose a and b) are inversely proportional to each other, we can write an proportionality equation (with k as proportional constant) as:
Since, here t is INVERSELY PROPORTIONAL to r, we can say:
Firstly, we have t = 2 hour and r = 40 mph, so we find k:
Now, secondly, we have r = 45 and k = 80, we need to find t:
So, it would take hours
Area=width*height
area=(11.7)*(15.4)
area=180.18cm^2