Answer:
6 pictures
Step-by-step explanation:
Let x be the number of pictures that was bought
Let y be the total amount of money collected for the picture
y= 3.25+12.75
3.25+12.75x= 79.75
Therefore x can be calculated as follows
12.75x= 79.75-3.25
12.75x= 76.5
x= 76.5/12.75
= 6
Hence Joshua ordered 6 pictures
Answer:
g=9
Step-by-step explanation:
Add 1 to both sides of the equation t get 3.1(g-7)=6.2
Then divide both sides by 3.1 to get g-7=2
Then add 7 to both sides to get g=9
Step-by-step explanation:
The intercepted arc is twice the measure of the inscribed angle so if the inscribed angle BEC is 50°, then the measure of the arc BC is 100°.
Rewrite the term 
Expand each term so we have
Use the fact that 
Use the fact that 
when a is an even number
Simplify
Let me know if you need any clarifications, thanks!
