Answer:
speed = (125×1000/2×60×60) m/s
=125000/7200 m/s
=17.36 m/s
12 / (-6)(3) + (-2)
First divide 12 by -6
True
Step-by-step explanation:
2n + 8 ≤ 25 |subtract 8 from both sides
2n ≤ 17 |divide both sides by 2
<u>n ≤ 8.5</u>
By the Pythagoras theorem, the hypotenuse (c), is equivalent to:
a^2+ b^2= c^2 where a and b are the other two sides of the right angled triangle, hence c= square root (15^2+ 20^2)= 25
