Answer:
46°
Step-by-step explanation:
82°+52°x° = 180°
x = 180°-82°-52°
x=46°
Answer:
5 cookies
Step-by-step explanation:
4/1=4 4+1=5
1)He should measure the perimeter.
9+5+9+5=28 inches
2) she should measure the circumference
3) He should measure the Area
8×14=112 Square feet
Answer:
3 Blue Umbrellas
Step-by-step explanation:
Given



From the question, we have:
---- i.e. 6 are not blue
---- i.e. 6 are not yellow
---- i.e. 6 are not red
Required
The number of blue umbrellas
Make B the subject in: 

Substitute:
in 

Collect like terms


Rewrite:

Substitute
in 


Divide both sides by 2

Recall that: 


7/10 = 70%
21/25 = 84%
3/5 = 60%
18/25 = 72%