2x -20 -1 =0
2x -21=0
2x=21
x= 10.5
Answer:29hz
Step-by-step explanation:
11hz+8hz+9hz +hz
29hz
Add everything together
The "e" just lets you know that it's scientific notation.
5 hours 380 cookies
--------- = -----------------
5 5
380/5 = 76 cookies made each hour
Answer:
6 students
Step-by-step explanation:
6 times 1.5 equals 9