Here you go!! Hope it helps
Answer:
The number is 20.
Step-by-step explanation:
60 - 2y = 20
- 2y + 60 = 20
- 2y + 60 - 60 = 20 - 60
- 2y = - 40
- 2y ÷ - 2 = - 40 ÷ - 2
y = 20
Answer:
402cm
Step-by-step explanation:
middle rectangle: 10 * 12 = 120cm
top and bottom rectangles: the sides will be connected to the 8cm triangle, making their heights 8cm. 8 * 12 = 96cm
side triangles: (10 * 9) / 2= 45cm
120 + (2 * 45) + (96 * 2) = 402cm
Answer:
Step-by-step explanation:
hello : note 297 no 279
297 =3×99
99 = 3 ×33
33=3×11
this the geometric sequence. ( comon : 3)
the nth term is : An = A1 × r^n when : r = 3 and A1 =11
if n = 19 A19 = 11×3^19
Answer:
hahahaha bcjapfpcwkcncidj
Step-by-step explanation:
kdbcowkshxiwjs