The value of x is: 
<u><em>Recall</em></u>:
Perimeter of a shape is the sum of all its sides
<em>Thus</em>:
Perimeter of the triangle = 
Perimeter of the rectangle = 
We are told that the perimeter of both shapes are equal. Set both perimeters equal and solve for x.

<em>Add like terms</em>
<em />
<em>Divide both sides by 3</em>
<em />
The value of 
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brainly.com/question/20562416
Calculating the unit rate is not that problematic if you can understand the requirement. Using the details given the answer to the question can be easily determined.
Number of miles that it goes in 22 gallons = 346
Then
Number of miles that it goes in 1 gallon = (346/22) miles
= 15.73 miles
So
The unit rate to this equation is 15.73 miles per gallon. I hope the procedure is clear enough for you to understand.You can always use this procedure for solving similar problems in future.
Answer:
I don't know bro actually which question ❓
- 25.05 + (-12.5) + 12.85 =
-25.05 - 12.5 + 12.85 =
-37.55 + 12.85 =
- 24.7 <== the divers new depth
The discount percent is 20% off because you would subtract the discount from the original price and get 45. 45 is 20% of 225.