Step-by-step explanation:
45% of number = 180
=> 100% of number = 180 * (100/45) = 400.
Hence the number is 400.
Answer:
7x^2+2x-4
Step-by-step explanation:
a standard form is ax+by=c
5x^2 add 2x^2=7x^2 then -2x but when you have a -10 +6 you get -4 giving you the answer of 7x^2 +2x -4
Answer:3+(-6)
Step-by-step explanation:
Answer:
It is a binomial and the degree is 9
Answer:
10a+b+9c
Step-by-step explanation:
first you have to join the like terms then you add them then you write the answer, I hope you understood
9c+5a+5a+b
9c+10a+b
10a+b+9c