Answer:
Step-by-step explanation:
2(x^2 + 10x + 25) + 3
2x^2 + 20x + 50 + 3
2x^2 + 20x + 53
Answer:
x = 30
Step-by-step explanation:
15 = 1/2x
multiply both sides of equation by 2
30 = x
The length of each side of the base is 9 inches. only 5 size of the cardboard box has an cardboard because of the sixth side is open
Answer:
105
Step-by-step explanation:
It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
(91+89+X)/3 =95
91+89+X =95*3
180+X =285
X =285 - 180
=105
Answer:
238 ft³
Step-by-step explanation:
Volume = Length × Width × Height
V = 8.5 × 4 × 7
V = 238 ft³
