7/10 + 3/10 fined each sum and simplify

The remaining side length (L) of the rectangle is approximately 3.335 units.

To find the remaining side length (L) of a rectangle when given the perimeter and three sides of the rectangle, we can use the formula for the perimeter of a rectangle:

Perimeter = 2 * (Length + Width)

In this case, you have three sides, which means you have the sum of two lengths and one width:

3 * Side = 2 * Length + Width

Given that the perimeter is 30 and the three sides sum up to 70:

30 = 2 * Length + Width

We also know that 3 * Side = 70, so each side is equal to 70/3 = 23.33 (approximately).

Now, we can substitute this value for Width into the first equation:

30 = 2 * Length + 23.33

Subtract 23.33 from both sides:

30 - 23.33 = 2 * Length

6.67 = 2 * Length

Divide by 2 to isolate Length:

Length = 6.67 / 2 = 3.335

So, the remaining side length (L) of the rectangle is approximately 3.335 units.

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Opposite sides equals to 7 and so you add 7 + 7 which equals to 14. Next you subtract 30 by 14 to get the total of the opposite side of L and itself which gets you 16 which is then divided by 2 because you have L and its opposite side which would give you 8. So L equals to 8.

Check:

7 + 7 + 8 + 8

14 + 16

30

Answer:

3

Step-by-step explanation:

Answer:

y=3

Step-by-step explanation: