A bar diagram can be used to represent algebraic expressions or to give examples.
Seja E a expressão que queremos calcular:
Answer:
B) -19
Step-by-step explanation:
-7 + 2x = -45
+7 +7
2x = -38
/2 /2
x = -19
Answer:
C. 2.50, 2.51, 5.00, 5.01, 7.50, 9.00, 10.00
Step-by-step explanation:
I think this is a least common multiple question
So they would all arrive on day 504, (which probably is a few years)
8 = 2 × 2 × 2
18 = 2 × 3 × 3
21 = 3 × 7
I might be right I might be wrong, IM not positively sure but yknow
