Which of the following math statements contain variable(s)? Check all that apply A. 5-5=0 B. ?+8=19 C. 34-6=28 D. 11+x=19
2 answers:
Answer:
B.
D.
Step-by-step explanation:
We are asked to choose the math statements that contain variable.
We know that a variable is a quantity that is not fixed or consistent. We can substitute any value in place of a variable.
A variable can be a letter or a symbol.
Upon looking at our given choices, we can see that options B and D are correct choices.
In option B, we have a symbol variable that is ?, therefore, option B is correct choice.
In option D, we have a letter variable that is x, therefore, option D is correct choice.
You might be interested in
<h2>Hello!</h2>
The answer is:
The fabric will cost $4.58
D.$4.58
<h2>Why?</h2>Since it's a conversion exercise, we need to pay special attention to the conversion procedure.
From the statement we know that:
So, if she needs 10 feet of fabric, we need to convert it to meters, and then, calculate its cost.
We have that:
Now, we have that each meter of fabric cost $1.50, so, 3.05m of fabric will cost:
Hence, we have that the cost of the fabric will be $4.58.
The correct option is: D.$4.58
Have a nice day!