Tutors Answer Your Questions about Surface-area (FREE)
Question 902583: Jolene has two lengths of rope, one yellow and one white. The yellow rope is 18 inches shorter than twice the length of the white rope. If the yellow rope measures feet in length, how long is the white rope?
Click here to see answer by ewatrrr(24785)   |
Question 903990: The perpendicular height of a triangle is 3 cm less than the
length of its base. The area of the triangle is 27 cm2. Form a
quadratic equation to represent the information and solve to
find the dimensions of the triangle.
Click here to see answer by ewatrrr(24785) |
Question 907428: Silos are watertight and airtight structures typically used for storing and making silage. Silage is fermented grain used as feed for livestock. On the right is a picture of one type of silo. The shape is a hemisphere on top of a cylinder. The diameter of the silo is 10 feet. The height of the silo is 30 feet.
a. Although this silo does not need to be painted, what is the area of the surface you would paint if you painted this silo? Justify your solution.
how do i solve this problem??
Click here to see answer by solver91311(24713)  |
Question 907428: Silos are watertight and airtight structures typically used for storing and making silage. Silage is fermented grain used as feed for livestock. On the right is a picture of one type of silo. The shape is a hemisphere on top of a cylinder. The diameter of the silo is 10 feet. The height of the silo is 30 feet.
a. Although this silo does not need to be painted, what is the area of the surface you would paint if you painted this silo? Justify your solution.
how do i solve this problem??
Click here to see answer by ewatrrr(24785) |
Question 909852: Emma Santos is an interior decorator. She has to paper the walls of a rectangular-shaped bedroom that is 15 feet long, 12 feet wide, with 9-foot ceiling. There are two doors in the room that are 3 feet by 7 feet each and a window that is 3 feet by 5 feet. How many square feet of wallpaper are needed to cover the walls? If the wallpaper comes in rolls of 3 feet wide and 35 feet long, how many rolls will Emma need?
Click here to see answer by ewatrrr(24785) |
Question 909841: I am retiling my shower and need to know the sq. ft. in order to buy the correct amount of tiles. One wall is 31" by 50", the other wall is also 31" by 50", and the third wall is 68" by 50". I have been out of school many, many years and for the life of me I cannot remember the formula. I would greatly appreciate any help you could give me in this matter. Thank You, Victor. My email address is vjf610@aol.com
Click here to see answer by ewatrrr(24785) |
Question 909841: I am retiling my shower and need to know the sq. ft. in order to buy the correct amount of tiles. One wall is 31" by 50", the other wall is also 31" by 50", and the third wall is 68" by 50". I have been out of school many, many years and for the life of me I cannot remember the formula. I would greatly appreciate any help you could give me in this matter. Thank You, Victor. My email address is vjf610@aol.com
Click here to see answer by stanbon(75887) |
Question 911019: The formula for the area A of a triangle is A equals 1 half b h where b is the base and h is the height. Solve the formula for h and write a reason for each step. Then find the height of a triangle whose area is 1768 square inches and whose base is 52 inches.
Click here to see answer by josgarithmetic(39617) |
Question 912417: The question is=
What will be the total surface area of a ONE topped cardboard box ,whose LENGTH=6cm,
BREATH=4cm and HEIGHT=5cm
So here I'm confused that if we have to find the TOTAL SURFACE AREA of the ONE TOPPED cardboard box then we should include the value its top side in the surface area or not.
Although, they are asking the total surface area but it is one topped cardboard box.
Click here to see answer by stanbon(75887) |
Question 912425: The question is=
What will be the total surface area of a cardboard box whose one side is missing which is the top ,whose LENGTH=6cm,
BREATH=4cm and HEIGHT=5cm
So here I'm confused that if we have to find the TOTAL SURFACE AREA of the cardboard box whose top side is missing then we should include the value its top side in the surface area or not.
Although, they are asking the total surface area but its top side is missing.
Click here to see answer by Fombitz(32388)  |
Question 913484: The area of one side of a box is 120cm^2. The area of another side of the box is 72cm^2. The area on top of the box is 60cm^2.
Find the length, width and height of the box.
I'm having problems with this Q.
I know that:
W x L = 60
H x L = 120
W x H = 72
But not sure where to go from there.
Click here to see answer by richwmiller(17219)  |
Question 913484: The area of one side of a box is 120cm^2. The area of another side of the box is 72cm^2. The area on top of the box is 60cm^2.
Find the length, width and height of the box.
I'm having problems with this Q.
I know that:
W x L = 60
H x L = 120
W x H = 72
But not sure where to go from there.
Click here to see answer by ewatrrr(24785) |
Question 42075: Question
An open water tank with length 20 cm and width 15 cm holds 4.8 litres of water. Calculate the height of the water level in the tank and the total surface area of the cuboid in contact with the water.
This is what I have done
4.8 litre = 4800 cm^3 (cm cube) since 1 litre = 100cm^3
Let the height of the water level = h
Volume
= Length x width x height = 4800
20 x 15 x h = 4800
300h = 4800
h = 4800/300
h=16
Total surface area of the cuboid
= 2 ((length x width) + (length x height) + (width x height))
= 2 ((20 x 15) + (20 x 16) + (15 x 16))
= 2 (300 + 320 + 240)
= 2 (1100)
= 2200
But my teacher said that the answer is 1420 (for the total surface area). Who is right in this case ?
Please help. Tahnk you very much.
Click here to see answer by raiumarshair(1) |
Question 918583: Find the circumference and the area of a circle with radius 5 cm . Use the value 3.14 for π , and do not round your answers. Be sure to include the correct units in your answers.
circumference: ?
area: ?
thank you.
Click here to see answer by ewatrrr(24785) |
Question 918592: Find the area and the circumference of a circle with diameter 2m . Use the value 3.14 for π , and do not round your answers. Be sure to include the correct units in your answers.
circumference: ?
area: ?
thank you.
Click here to see answer by ewatrrr(24785) |
Question 918675: Find the largest possible area of triangle ABC if angle A =30 degrees, b=12 and a=8. Assume that "a" represents the length of the side of the triangle opposite angle A, etc. Give your answer rounded to four significant digits.
Answer: 47.05
Click here to see answer by MathTherapy(10552)  |
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