Answer:
change is 1.30
Step-by-step explanation:
2.60 ÷ 2 = 1.30
3.90 ÷ 3 = 1.30
? ÷ 5 = 1.30
10.40 ÷8 =1.30
?=1.30 × 5 = 6.50
Answer:
x must be 14/4 = 7/2
Step-by-step explanation:
The sum of the three interior angles of a triangle must be 180 degrees.
Thus, in this particular case,
82 + 64 + 4x + 20 = 180, or
146 + 4x = 160, or
4x = 160 - 146 = 14
Then 4x = 14, and x must be 14/4 = 7/2
Answer:
x=4, y=9
Step-by-step explanation:
Solve with substitution.
Its not the answer would be 20,000
Answer:
48
Step-by-step explanation:
5(9) + 5(3) - 4(3)
45+15-12
60-12
=48