Answer:
x = 3
Step-by-step explanation:
3(2x+4)=2(9+2x)
6x+12=18+4x
6x-4x=18-12
2x=6
x=3
pd: i solve this as an ecuation
Applying the segment addition postulate, SU = 10
<h3>What is the Segment Addition Postulate?</h3>
Based on the segment addition postulate, when a point lies in between two endpoints on a line segment, the sum of the lengths of the two smaller segments equals the length of the longer segment.
Given:
SU = 2x - 12
TU = 6
ST = x - 7
Thus:
TU + ST = SU
6 + x - 7 = 2x - 12
-1 + x = 2x - 12
-2x + x = 1 - 12
-x = -11
x = 11
SU = 6 + x - 7
SU = 6 + 11 - 7
SU = 10
Learn more about segment addition postulate on:
brainly.com/question/2134445
Answer:
Step-by-step explanation:
<u><em>The complete question in the attached figure</em></u>
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form 
or 
In this problem, we have a proportional relationship between the average speed (x) and the time (y)
Find the constant of proportionality k
Fox =32, y=5
substitute
we have
therefore
Step-by-step explanation:
2(19.2) + 4(x + 7)
= 66.4 + 4x
= 4(16.6 + x)in
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
caring on learning
