Answer:
-10
Step-by-step explanation:
(-6)+(-4)
Answer:
9
Step-by-step explanation:
Let x represent the number of ₹50 notes. Then the number of ₹10 notes is (x+1) and the total value of all notes is ...
₹50·x + ₹10·(x+1) = ₹550
₹60·x = ₹540 . . . . . . . . . . . . subtract ₹10 and collect terms
x = 9 . . . . . . . . . . . . . . divide by ₹60
The number of ₹50 notes is 9.
Commutative Property of Multiplication
Answer:
5x + 4
Step-by-step explanation:
Answer:
The answer is B
Step-by-step explanation:
plug 2 into x to see
A.
x^2 + 8
2^2 + 8
4 + 8 = 12
B.
3x^2 + 1
3(2)^2 + 1
3(4) + 1
12 + 1 = 13
C.
2x^3 + 5
2(2)^3 + 5
2(8) + 5
16 + 5 = 21
D.
x^2 + x
2^2 + 2
4 + 2 = 6