SOLUTION: A television picture tube is 9cm longer than it is wide. If the perimeter of the tube is 142cm, what are the length and width of the tube?
Algebra.Com
Question 471236: A television picture tube is 9cm longer than it is wide. If the perimeter of the tube is 142cm, what are the length and width of the tube?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
2w+2(w+9)=142
4w+18=142
4w=124
w=31
l=40
The "tube" is 40 cm. by 31 cm..
RELATED QUESTIONS
3. The lifetimes of a colour TV picture tube is normally distributed, with a mean of 8... (answered by ewatrrr)
The lifetimes of a colour TV picture tube is normally distributed, with a mean of 8 yrs... (answered by ewatrrr)
3. The lifetimes of a colour TV picture tube is normally distributed, with a mean of 8... (answered by Theo)
The front of a television has a total area of 320 square inches. The length of the tv is... (answered by Alan3354)
a rectangle is 9cm longer than it is wide. its perimeter is 58cm. what are the dimensions (answered by jorel1380)
The lifetime of TV picture tube is normally distributed with mean 8 years ans standard... (answered by stanbon)
A 34 inch tv is advertised in the local newspaper. If 34 inches is the measure of the... (answered by ewatrrr,richwmiller)
A tube has the radius of 3cm and a height of 8cm, what is the surface of the... (answered by dragonwalker)
A 20 inch TV is advertised in the local newspaper. If 20 inches is the measure of the... (answered by rfer)