Answer:
8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent.
Step-by-step explanation:
Solve addition and subtraction word problems, and add and subtract within 10.
The midpoint lines are half the opposite side length.
Line DE is given as 7 , So Line F = 7 x 2 = 14
Line EF is given as 12, so Line D = 12 x 2 = 24
Line DF is given as 16, so line E = 16 x 2 = 32
The perimeter is the sum of the 3 sides:
Perimeter = 14 + 24 + 32 = 70
The inequality of it is x greater than or equal too 5
D=10 a=5
5×5×π=25π
a=25π
2×5×π=10π
c=10π
c. C = 10π A = 25π
A 1 = - 32, a 9 = - 120
a 9 = a 1 + 8 d
- 120 = - 32 + 8 d
8 d = - 88
d = - 88 : 8
d = - 11
a 32 = a 1 + 31 d = - 32 + 31 * ( -11 ) = - 32 - 341 = - 373
Answer: B ) - 373
