Answer:55
Step-by-step explanation:
You can write the equation as 220 miles over 4 hours = x over 1 hour. X represents the average speed in miles per hour. You need to cross multiply 220 and 1 to 4 and x. You get 220=4x. You just simply divide 4 on each side of the equation and get x=55, so the average speed in mph is 55.
Answer:
Step-by-step explanation:
answer is 9^2x
when u remove surd then it becomes
9^x/2*4
9^4x/2
9^2x ,hich is the answer
Answer:
0.0100925147183
Step-by-step explanation:
B should be the only correct answer.
Answer:
The negative solution
-2
Step-by-step explanation:
Let the number be
Then 5 times the number is 5x.
14 less than the square of the number is
So our equation becomes
This implies that
We factor to get:
