Answer:
Do you have a picture for the problem that you want to be solved?
Answer:
because x,y,z are in continuous proportion
=> x/y = y/z
<=> xz = y² =>
(1)
with (1), we have:

Step-by-step explanation:
Answer:
x=-4
Step-by-step explanation:
Answer:
1920 cm
Step-by-step explanation:
You multiply the values together. 8 times 20 times 12 is equal to 1920 cm.
Answer: 4
Step -by-step :
7+7+7=21
5+12+a=
17+a
21-17=4