18.Find the value of x rounded to the nearest tenth.
A.15.3
B.12.0
C.11.0
D.5.3

Cross multiply:
6 * 8 = 9*x
48 = 9x
x = 48/9
x = 5.3
The answer is D.
Answer:
D) x = 5.3 .
Step-by-step explanation:
Given : Two triangles.
To find : .Find the value of x rounded to the nearest tenth.
Solution : We have given two similar triangle
By the property of similar ratio of sides are equal.
Then,
[tex]\frac{6}{x} = \frac{9}{8}[/tex].
On cross multiplication
6 * 8 = 9 * x .
48 = 9 *x
On dividing by 9 and switching sides.
x = [tex]\frac{48}{9}[/tex].
x = 5 .33
x = 5.3
Therefore, D) x = 5.3 .