15x15= 225
15x + 105= 225
15x= 225-105
15x= 120
X=8
X+ (x+1) + (x+2) + (x+3)…etc all the way up too +(x+14)=225
The first five numbers of the set: 8, 9, 10, 11, 12
Answer:
Is there like a picture or something?
Step-by-step explanation:
V=hpir^2
h=5
r=8
v=5pi8^2
v=5pi64
v=320pi cubic inches
Answer:
The area of the walls is 
Step-by-step explanation:
we know that
The area of the walls is equal to the perimeter of the conference room multiplied by the height of the ceiling
so
=2,160\ ft^{2}](https://tex.z-dn.net/?f=A%3D2%5B40%2B50%5D%2812%29%3D2%2C160%5C%20ft%5E%7B2%7D)
Answer:
x = -8
Step-by-step explanation:
these angles are vertical, therefore they are equal
x + 78 = 70
x = -8