Answer:
DE/AB= DC/AC , 12/AB= 6/11 , AB= 12×11/6=2×11=22 , Sory i can't explain , i bad know english language. or so ABC~CDE because DE||AB=> DE/AB=DC/AC
Answer:
n = 4
Step-by-step explanation:
36 = 13n - 4n
<=> 36 = (13-4).n
<=> 36 = 9n
<=> n = 36 / 9
<=> n = 4
<span>
try using the formula length times width. It helps me so it should help you.
The length of a rectangle is 99 cm less than four timesfour times its width. if the area of the rectangle is 1313 cm2 , find the dimensions of the rectangle.</span>
Answer:

Step-by-step explanation:
Since the second equation is fully simplified and we know what x equals, we plug the entire equation of x in for x in the top equation:

Now solve for y.

Now plug y back into the bottom equation and solve for x.


Answer: 8+(x÷39) or (x÷30)+8