Answer: Sasha has 39 balloons
Step-by-step explanation:
6 x 7 = 42
42-3 = 39
R * s = 273
r = s - 8.....s = r + 8
r(r + 8) = 273
r^2 + 8r = 273
r^2 + 8r - 273 = 0
(r - 13)(r + 21) = 0
r - 13 = 0
r = 13
r + 21 = 0
r = -21.....extraneous solution...not ur answer
r = 13
s = r + 8 = 13 + 8 = 21
so there are 13 rows.....each row containing 21 seats
Answer:
20 side polygon: 180 x (20 -2)
Step-by-step explanation:
A n side polygon can be divided into n-2 triangles
each triangle has 180°
n-2 triangles have 180 x (n-2) degrees
Answer:
26 snack packs
Step-by-step explanation:
2.83+5.18=8.01
8.01/.30=26.7
26 snack packs
Answer : 1.05 . Hope I helped have a good day :)