Answer:
Step-by-step explanation:
As we can see it is a right angled triangle so
hypotenuse (h) = 14 . 7 km
perpendicular (p) = 11.9 km
base (b) = x
Now by using Pythagoras theorem




Hope it was helpful.:)
Answer:
4x-4
Step-by-step explanation:
x-10+3x+6=4x-4
Hope helps :3
Answer:
1
Step-by-step explanation:
The coefficient is the number in front of the variable. Since there is not a number written, there is an implied 1
x+4
1x+4
The coefficient is 1
Answer:
$24
Step-by-step explanation:
calculate 20% of $30 and subtract the discount from the cost price
20% =
= 0.2, hence
discount = 0.2 × $30 = $6
buying price = $30 - $6 = $24