Answer:
1. 9 - 10n = -1 + 1/10
2. 14 - 3n = 14 - 3n
3.14 - 21 = - 7⋅ (3n - 2)
4. (2-3n)⋅7 = Sorry i dont know
5. I HAVE NO IDEA SO SORRY
Step-by-step explanation:
Answer:
150°
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° ( n - 2) ← n is the number of sides
Here n = 12, then
sum = 180° × 10 = 1800°
Since there are 12 interior angles, then
size of each interior angle = 1800° ÷ 12 = 150°
Answer:
a) , b) , c) , d)
Step-by-step explanation:
a) The perimeter is the sum of the three sides of the internal square and the remaining sides of the external rectangle, that is:
b) The perimeter is the sum of the two sides of the internal triangle and the remaining sides of the external rectangle, that is:
c) The perimeter is the sum of the two sides of the circular section and the three sides of the lower rectangle, that is:
d) The perimeter is the sum of the external sides of the triangle and rectangle, that is:
Answer:
The answer is 400
Step-by-step explanation:
...........
9 thirty-sevens will be 37 × 9 = 333
8 thirty-sevens will be 37 × 8 = 296
333 - 296 = 37
I don't think it is nine hundred thirty-seven and eight hundred thirty-seven. Word sevens has s.