Answer:√-40=2√-10
Step-by-step explanation:Finding the factors of 40,we have ,√4×√-10=2×√-10=2√-10
Answer:
6 weeks.
Step-by-step explanation:
Let x be the number of weeks to be found.
Then 4.5x + 18 / 4x = 15/8
Cross multiply:
36x + 144 = 60x
24x = 144
x = 6 (answer).
Answer:
228 feet
Step-by-step explanation:
Since M represents the number of lessons he completes,
sub M=8 into S=26M+20
S=26(8)+20
=228
Answer:
x=3, y=4
Step-by-step explanation:
Y=(5x^3+2x^2)^2
dy/dx=2(3[5x]^3-1 + 2[2x]^2-1)^2-1
dy/dx=2(15x^2 + 4x)^1
dy/dx=30x^2+8x