Since the sum of the angles of a triangle = 180°
Then <span>80º + (2x + 2)º + 5xº = 180</span>°
82° + (7x)° = 180°
(7x)° = 180° - 82°
x = 98° ÷ 7
∴ x = 14
Answer:
The integers are "closed" under addition, multiplication and subtraction, ... The rational numbers are "closed" under addition, subtraction, and multiplication
Step-by-step explanation:
Multiply by z to get
wz = xy
divide by x
y = wz/x
Answer:
$1125
Step-by-step explanation:
100d + 25h = $$
100(3) + 100(3) + 25(3*3) + 25(3*4) =
300 + 300 + 225 + 300 =
1125
