Answer:
5( x+5) (x-2)
Step-by-step explanation:
5x^2 + 15x -50
Factor out a 5
5(x^2 +3x - 10)
What 2 terms multiply to -10 and add to 3
5*-2 = -10
5-2 = 3
5( x+5) (x-2)
Answer:r=14°
Step-by-step explanation:
(5r-5)°+ (8r+3)°=180
(Sum of angles on a straight line =180°)
Collect like terms
5r+8r-5+3=180
13r-2=180
13r=180+2
13r=182
r=182/13
r=14°
Answer:
The answer is correct
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Answer:
100 bags
Step-by-step explanation:
S.E = σ/ √n
0.1 = 1 / √n
Square both sides
0.1² = 1² / n
0.01 = 1 / n
0.01n = 1
n = 1 / 0.01
n = 100