Write the number 31 in tens and ones

Mathematics

2 answers:

IgorC [24]3 years ago

5 0

Answer: The ones digit in 31 is 1,

The tens digit in 31 is 3.

Step-by-step explanation:

In a whole number each digit has its own place value which is represented by a digit in a number on the basis of its position in the number.

We can write,

31 = 30 + 1

The position of 1 = ones

And, the position of 3 = tens,

Thus, In 31,

The ones digit = 1,

And, tens digit = 3.

cluponka [151]3 years ago

3 0

Just use 3 tens and 1 ones.

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So if you subtract the 0 out from the left side, the equation is now $x^{2}-3x=0$ . Since a x is common in both of the terms on the left side, you can factor it out, now making the equation look like $x(x-3)=0$ . When factoring, each of the separate things (x and (x-3)), must equal zero while the other one doesn't matter. So in order for the equation to be 0, the only potential options for x is 0 and 3. Therefore x=0 and x=3 are the two solutions