Answer:
4x=4
Step-by-step explanation:
first do the parenthesis and do -1 * 7x and -1 * -2
3x - 7x + 2 + 2
3x - 7x and the 2+2= 4x+4
Answer:
Step-by-step explanation:
Let the number be x.
Translating the word problem into an algebraic equation, we have;
Opening the bracket, we have;
Collecting like terms, we have;
Answer:
Option A
Step-by-step explanation:
This is because here,
PQ is the Height of the right triangle.
QR is the Base of the right triangle.
PR is the Hypotenuse of the right triangle.
So, as according to Pythagoras Theorem,
Also,
Not,
Hence, Option A is not correct.
Answer:20
Step-by-step explanation:
Answer:
11/12
Step-by-step explanation:
2 3/4=11/4
1/3*11/4=11/12