Tutors Answer Your Questions about Surface-area (FREE)
Question 159760: The length of a rectangle is 9 inches greater than the width. The area is 36 inches squared. Find the dimensions. Then I have 6 boxes each fo width, length and area. How do I figure this out? Thank you.
Click here to see answer by edjones(8007)  |
Question 160095: Rectangle RECT with the coordinates as follows:
R (-2, 1) (bottom left corner of rectangle)
E (-2, 6) (top left corner of rectangle)
C (8,6) (top right corner of rectangle)
T (8,1) (bottom right corner of rectangle)
Find the lengths of the sides . Then find the area.
Click here to see answer by checkley77(12844) |
Question 162547: A solid wooden cube has 6 inch edges. Square holes with 2 inch sides centered in each face are cut through to the opposite face. The edges of the holes are parellel to the edges of the cube. Find the entire surface area in square inches.
Click here to see answer by elima(1433) |
Question 162699: Q: A rectangle has an area of 6 yards squared. If the width of the rectangle is 2/5 yards, what is the length of the rectangle?
I assume that to get the 6yds sq. It was LxW assuming L=3 & W=2 but I do not no where to go from there?
Click here to see answer by Earlsdon(6294) |
Question 163393: Emma wants to start with a square patio and experiment with the sides to see how changing the length of the sides affects the area and shape of the patio. She doesn't care if the new patio is no longer a square but still wants it to be rectangular. The patio is attached to the house. If emma starts with calling the length of the side patio x, what is the perimeter? What are the dimensions? What is the area?
Click here to see answer by gonzo(654) |
Question 163351: The instructions ask to find the missing dimension for each rectangle. The numbers inside represent the area.
So if the area inside a rectangle is 15, and one side is X, what is the other side? I was thinking it would be 15/x because the x's would cancel each other and you would be left with 15. Is this right?
Click here to see answer by scott8148(6628)  |
Question 163654: This is from a worksheet.
A triangular prism has a height of 12m. What is the surface area of the prism if its bases are right triangles with legs 3 meters and 4 meters? (S=Ph+2B).
I must show my work. Please help.
Thanks
Click here to see answer by Earlsdon(6294) |
Question 164175: a cylindrical soda pop can of radius r and height h is to be manufactured to hold exactly 500 milliliters of liquid when completely full. A manufacturer wishes to find the dimensions of the can with the minimum surface area. Your task is to numerically, algebraically and graphically investigate this situation.
Determine the radius x and height h that yields a can of minimal surface area. Compute this minimal surface area.
Click here to see answer by Alan3354(69443)  |
Question 166245: A box is made without a lid by notching out equal sized squares from the four corners of a poster board and folding up the sides. The poster board measures 18in. X 15in. The length of the side of the notch is 3in. What is the volume of the box?
I thought that I should multiply 18X15X3, but I think this is wrong. I'm not sure why. Can you help? Thanks...John
Click here to see answer by checkley77(12844) |
Question 166932: This problem is from a problem solving worksheet known as "Math Olympiads"
It is labeled "Problems-Division E Olympiads" The title at the top of the page is "Set 3 Olympiad 1"
A circle and a triangle overlap as shown. The area of the circle is three times the area of the triangle. If the common region is removed, then the area of the rest of the circle would be 14 square centimeters more that the area of the reast of the triangle. What is the area of the complete triangle, in sq cm?
Please help us! This is our 5th grade son's homework. We are both college educated and my husband even has a math minor. This is not our finest moment.
Thank You!!
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 168418: Area of large rectangle is 18x-24. Area of smaller rectangle within the larger rectangle is 4x. What is the area of larger rectangle minus the smaller rectangle.
I've got this much: 18x - 24 - 4x -> 14x - 24 is the area of the larger rectangle not counting the area of the smaller rectangle. What is x equal to?
Click here to see answer by Alan3354(69443)  |
Question 169379: A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. How do I find the equation to convert Kelvin temperature to Fahrenheit. What is the Fahrenheit temperature when it is 180 degrees K?
Click here to see answer by jojo14344(1513) |
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