Answer: $21.25
Step-by-step explanation:
0.85 x 25
I think you mean 48. 4 * x = 48. x = 48/4 = 12
Answer:
Step-by-step explanation:
S56=56/2[2(-8)+(56-1)7]
S56=10332
Answer:
65 square units
Step-by-step explanation:
The base of the pyramid is 5 by 5 , surface area is 25 square units.
the side of each one is 4 units "high" and 5 long at the base and to find the are of a triangle you multiple base times height then dived by 2. Therefore each side of the triangle is 10 units square. You have 4 sides so...
40 (total of all the sides ) +25 ( base ) = 65