Answer:
2
Step-by-step explanation:
Let, the number be 'x'.
As per question,
4×x+3=11
subtracting 3 on both sides,
4x=8
dividing by 4 on both sides
x=2.
hence, the number is 2.
Answer:
See step-by-step explanation
Step-by-step explanation:
16. C, <AOB = 20
The total angle (<AOC) is equal to the sum of the angles inside of it (<AOB and < BOC).
<AOC= <AOB + <BOC
47=<AOB+27
<AOB=20
17. 24
Area of a square = 
36= 
s= 6
One side is 6
The perimeter of a square is 4(s)
4(6) = 24
Word of encouragement:
Good luck!
10 4/10 or 10 2/5 if you reduce it
Answer:
x= 1/2
Step-by-step explanation:
13x+7 and 9x+9 with x inserted in both equal 13.5
(if the equation was 13x+7=9x+9)