Question

5. Which equation is an open sentence?

A 3(x) = 12
B 12 = 4(2) + 3
C 7 +5 = 2
D 6(2) = 12
ay

Answer 1

The open sentence in the given options is 3(x) = 12.

Step-by-step explanation:

The open sentences in the given options are:

1. A. 3(x) = 12: This is an open sentence because it includes a variable, 'x', which can take different values.
2. B. 12 = 4(2) + 3: This is not an open sentence because it does not contain any variables.
3. C. 7 + 5 = 2: This is not an open sentence because it is a statement of equality that is either true or false, and does not contain any variables.
4. D. 6(2) = 12: This is not an open sentence because it does not contain any variables.

Therefore, option A (3(x) = 12) is the correct answer.

Answer 2

a

Step-by-step explanation:

there is an unknown thingy which is x