Y=-21/2x+1 Since y is your independent variable it remains by itself
700/200=7/2 because devide by 100 and then=3 1/2 and half is .5 so=
3.5
8z-7=81
8z=88
z=11
Have a good day!
:0)
Answer:
See below.
Step-by-step explanation:
Just like 18, continue with 19-21. Solve for x by rewriting each equation in log form.

When rewriting the form, the base of the exponent becomes the base of the log.
Answer:
The unit rate in miles per hour = <em>1.4 miles/hr</em>
Step-by-step explanation:
Given that:
Distance walked by Boardman family = Two over five of a mile = 
Time taken by Boardman family = Two over seven of an hour = 
To find:
The unit rate in the miles per hour = ?
Solution:
Formula for the rate or the speed can be given as:

Putting the values:

So, the unit rate in miles per hour = <em>1.4 miles/hr</em>