Answer:
Try entering 2x+3=15 @ x=6 into the text box. After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15. The calculator prints "True" to let you know that the answer is right. More Examples Here are more examples of how to check your answers with Algebra Calculator. Feel free to try them now.
Step-by-step explanation:
Answer:
21 chickens
Step-by-step explanation:
10×4=40
82-40=42
42÷2=21
Sodium oxide is a simple strongly basic oxide. It is basic because it contains the oxide ion, O2-, which is a very strong base with a high tendency to combine with hydrogen ions. Reaction with water: Sodium oxide reacts exothermically with cold water to produce sodium hydroxide solution
It would be 40.5 or 40 1/2
Brainliest pls.
Answer:
4a/3
Step-by-step explanation:
7-3 is 4, and the over indicates this will be the numerator.
4a-a simplifies into 3a.
Now, putting together the expression:
4/3a or 4a/3 (If it needs to be rationalised)
