You just combine the like terms.
6a+5a+2a = 13a
-b+-5b = -6b
13a-6b is the simplified version of the expression.
Answer:
21.is the answer to this question....
5*2+5*2+1
10+10+1
20+1
21
Plz mark as brainliest
The perimeter is the sum of all lengths of the side of a polygon. For a triangle it is expressed as:
P = a + b + c
We let a = 7.3, b = 2.94 and c=x
Therefore, the perimeter of the given triangle is:
14.8 = 7.3 + 2.94 + x
From the options given, the correct answer is the last option. The expression, <span>x - 14.8 = 2.94 + 7.3, will give an erroneous value of the third side. It will be more than the perimeter given.</span>
Answer:
Step-by-step explanation:
tan55=8.9/x
x=8.9/tan55
x=6.2cm
Answer:
<em>The width of the lid is 15 cm</em>
Step-by-step explanation:
<u>The Perimeter of a Rectangle</u>
Given a rectangle of width W and height H, the perimeter is calculated as:
P = 2(W + L)
Jon used 56 cm of ribbon to go around the edge of a rectangular lid. This means the perimeter is:
2(W + L) = 56
Dividing by 2:
W + L = 28
Since the lid was L=13 cm long, the width is:
W = 28 - 13 = 15
The width of the lid is 15 cm