The purpose of solving an algebraic expression in an equation is to find the unknown variable. When two expressions are equated, they form an equation and therefore, it becomes easier to solve for the unknown terms. To solve an equation, place the variables on one side and the constants on the other side.
Sure hope this helps
Answer B.
∑fx=1637,∑fx
2
=127663,∑f=21
x
ˉ
=Mean=
∑t
∑fx
=77.95
σ
2
=
∑f
∑fx
2
−(
x
ˉ
)
2
=
21
127663
−(77.95)
2
=2.987
σ=1.728
Answer:
A
Step-by-step explanation:
if the triangles are similar the ange B and E are the same, A and D are the same and C and F are the same.
B=77 and E=77
F=31 and C=31
A=72 and D=72
Answer:
where is the shapes?
Step-by-step explanation:
gimmie the shapes and I'll answer
