Answer:
400
Step-by-step explanation:
You would multiply 40 by 10=400
Answer:
105 feet or inches
Step-by-step explanation:
First we find the surface area of the base, (or the square.)
That is 25.
Next we find the areas of the triangle which is:
×height
The area of one triangle is 20, so we multiply it by 4.
That is 80.
Finally, we add both surface area to find the total surface area.
That is 80 + 25 = 105
Hope that helped!
Answer:
1) k = (-8)/5
2) x = 5
Step-by-step explanation:
1)





2)




Answer:
2
Step-by-step explanation:
distributive
12x-24=24-12x
combining terms
12x-24+12x=24
24x-24=24
24x=48
x=48/24
x=2
Answer:
Step-by-step explanation:
60 * 50 * 2 = 6000cm
50 * 40 * 2 = 4000cm
40 * 60 * 2 = 4800cm
6000 + 4000 + 4800 = 14800 * .04= 592