Answer:
81°
Step-by-step explanation:
∠ABC= 121°
- 4x+21+3x-5=121
- 7x+16=121
- 7x= 105
- x=105/7
- x=15°
∠ABD= 4*15°+21°= 81°
Answer:
The denominators are 2 and 10
Step-by-step explanation:
Answer:
25 pictures will take up 75 Megabytes of space.
Step-by-step explanation:
Given that:
Number of pictures downloaded = 64
Space taken by pictures = 192 MBs
Unit rate = 
Unit rate = 3 Megabytes per picture
Now,
The space 25 pictures would take,
25 pictures = 3*25
25 pictures = 75 Megabytes
Hence,
25 pictures will take up 75 Megabytes of space.
You can tell that a fraction is a unit fraction when it is over a unit of one. This is also known as unit rate.