Let unknown number be x.
Given,
7x - 8 = 3x + 4
4x = 12
x = 3
Hence, the number is 3.
The answer is 3.9. In fraction form the answer is 89/10. In mixed fraction form the answer is 8 9/10
Answer:
D. Pyramid
Step-by-step explanation:
A. cone does not have any triangular faces
B. does not have any triangular faces either
C. Prism may have triangular faces if it is a triangular prism but they do not meet at a vertex
Therefore it must be D.
Answer:
same,different
Step-by-step explanation:
3.125 + (-3.9) - (2.46)
= 3.125 -3.9 -2.46
= -0.775 -2.46
= -3.235