Mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling.
For the 2nd question......is it correct????? Because the area of square is s.s and area of rectangle is l.b
Answer:
x=10 and x-7 is the answer
Step-by-step explanation:
a)2x-7=13
2x=13+7
2x=20
x=20/2
x=10
b)3x+4=25
3x=25-4
3x=21
x=21/3
x=7
i hope it will help you
Answer
Step-by-step explanation:
since the left side is 31 the right side would be 31 too so multiply 31x31
19x3.4 i think
Its A or C Because you cannot have 6/5
