Answer:
Step-by-step explanation:
18w⁴x⁹ /14w⁵x⁵ = 2*9*x⁹⁻⁵/ 2*7*w⁵⁻⁴
= 9x⁴/7w¹
a^m/a^n = a^m-n ; when m>n
a^m/a^n = 1/a^m-n ; when m<n
V1 :V2= 250 : 686 =125 : 343 , Volume ratio= 125: 343
r1: r2 = ∛125 : ∛243 = 5 : 7 , Scale factor =5:7
S1:S2 = 5² : 7² = 35 : 49, Surface area ratio =35 : 49
Scale factor =5:7
Surface area ratio =35 : 49
Volume ratio= 125: 343
Answer:
Step-by-step explanation:
30x2 - 5x + 60x - 10
30x2 + 55x -10
Answer:
0.00068
Step-by-step explanation:
your welcome