Answer:
d. only the first equation is an identity
Step-by-step explanation:
Answer:
7 1/3
Step-by-step explanation:
1 2/3 - ( -5 2/3)
Subtracting a negative is like adding
1 2/3 + 5 2/3
6 4/3
Simplify the fraction
6 3/3 + 1/3
7 1/3
Answer:
(3×2) + (3×4)
Step-by-step explanation:
One box's area is 3×2 and the other box's area is 3×4, so when you add them, you get the total area.
Answer:
<h2>NOT</h2>
Step-by-step explanation:
Put x = 1, y = -1 and z = -2 to the equation 3x - 3y - z = 2, and check the equality:
3(1) - 3(-1) - (-2) = 3 + 3 + 2 = 8 ≠ 2
C. 486
You just have to replace the letters with numbers, multiply first then add