Because others would estimate it differently.
7x^2+x+9 - (<span>3x^2+4x-5)
= </span>7x^2 + x + 9 - 3x^2 - 4x + 5
= 4x^2 - 3x + 14
Answer:
270 degrees counter-clockwise
Step-by-step explanation:
90 degree clockwise or 270 degree counter-clockwise
(x,y)----->'(y,-x)
Answer: 300% Increase
Step-by-step explanation: Lets write and solve a percent equation. First lets subtract 12 from 48 to get 36. 48 - 12 = 36
Now, write the equation. P = percent increase
36/12 x 100 = p
3 x 100 = p
300 = p
So, the percent increase is 300%
Answer:
13.5
8.64
Step-by-step explanation:
1) 9/100 * 150 = 13.5
2) 12/100 *72= 8.64
it means if some thing represents 9 of 100 , so by how much will it represent of a certain number (ex: 150)