X2 + 12 = 7x x2 – 7x + 12 = 0factor the equation (x – 3 ) ( x – 4 ) = 0 Then equating both factor to 0 X – 3 = 0 X = 3 And X – 4 = 0 X = 4 So the answer is X = 3 X =4
Given:
Anju cut square of tin, of edge 3.7 cm, from a larger square of edge 6.3 cm.
To find:
The area of the remaining tin.
Solution:
Area of a square is:

Where, a is the edge of the square.
Area of the smaller square is:


Area of the larger square is:


The area of the remaining tin is:



Therefore, the area of the remaining tin is 26 sq. cm.
Answer:
C
Step-by-step explanation:
Express - 1
as an improper fraction, that is
-
x = 9 ( multiply both sides by 5 )
- 9x = 45 ( divide both sides by - 9 )
x = - 5 → C
Answer:
? = 50°
Step-by-step explanation:
? = 180° - 130° = 50°