Answer : x= 15 , 4
steps by step solution : plz see in attachment ✌
Thanks
Answer:
0.5hrs
Step-by-step explanation:
Let the speed downhill be
,
Speed uphill is
. We are told than speed uphill is
the speed on flat ground. Therefore the speed on level ground will be
.
From this info, we can obtain the actual speed,
on level ground as:

speed, distance and time have the relation
so to obtain time to cover 45miles:

Hence it takes 0.5hrs to cover 45miles on flat ground.
(-2)2+3= -1 hope this helps you
It 42 units hopes this helps
Answer: a) 15625, b) 0.2, c) 625, d) 0.008.
Step-by-step explanation:
Since we have given that
a) 
As we know that

So, it becomes,

(b) 
So, it becomes,

(c) 
As we know that

So, it becomes,

(d) 

Hence, a) 15625, b) 0.2, c) 625, d) 0.008.