Minust 5x both sides
7x-5x<5x-5x-8
2x<-8
divide by 2 both sides
x<-4
Answer:
A) 4
Step-by-step explanation:
10 divided by 2 = 5
15 divided by 3 = 5
so 20 divided by 4 = 5
Answer:
A is , 18.1058 B is , 24.91575
Step-by-step explanation:
The doorstop is a triangular prism. volume of the triangular prism is the area of the base times the height
area of the base: 1/2 * 10*6=30cm²
height: 2.5cm
Volume: 30cm²*2.5cm=75cm³
weight: 75cm³*8.6g/cm³=645 grams