check the photo and if u feel I made any mistakes pls do let me know
Answer:
A quadratic (equation or expression) involves the second and no higher power of an unknown quantity or variable.
Step-by-step explanation:
The quadratic formula is derived from the General form of a quadratic equation :
ax+bx+c=0
using completing the square method.
Quadratic formula=
![x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a}](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B%20-%20b%C2%B1%20%5Csqrt%7B%20%7Bb%7D%5E%7B2%7D%20-%204ac%20%7D%20%7D%7B2a%7D%20)
Answer:
the answer is 99 sq.m
Step-by-step explanation:
multiple 12 to 4
then multiply 3 to 5
then multiply 3 to 12
finally add all
you will get 99sq.m
Mark me brainliest please
Answer:
36/55
Step-by-step explanation:
convert the mixed numbers into improper fractions
=12/5 / 11/3
multiply fractions
=12x3/5x11
=36/55