Answer:
x = (74-28)/2
Step-by-step explanation:
We find the perimeter of a triangle by adding the sides together
s1 +s2+s3 = P
The perimeter is 74
s1 +s2+s3 = 74
We know one of the sides is 28
28 +s2+s3 = 74
The other two sides are equal in length, call them x
28 +x+x = 74
Combine like terms
28+2x = 74
We want to solve for x
Subtract 28 from each side
28-28+2x = 74-28
2x = 74-28
Divide each side by 2
2x/2 = (74-28)/2
x = (74-28)/2
Enlargement: Anything higher than 2
Example: (2,2)
scale factor:4
Multiply coordinate by 4
New coordinate: (8,8)
Reduction: Anything less than 1
Example: (4,4)
Scale factor: 1/2
Divide coordinate by 1/2
New coordinate: (2,2)
HOPE THIS HELPS YOU! ^_^
Answer:
1-12x=-20-9x
-12x=-21-9x
-3x=-21
divide both sides by -3
x=-7
Step-by-step explanation:
Answer:
<h2>
x = 16</h2>
Step-by-step explanation:
³/₄(x - 12) = 3 {multiply both sides by ⁴/₃}
x - 12 = 4 {add 12 to both sides}
x = 16
Using a calculator would show that
The horizontal line over top means the "81" repeats forever.
You can use long division as an alternative method to getting the answer above.
