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1. ### what is the scale factor of 400 cm by 1450 cm?

1 Answers · Education & Reference · 19/03/2011

2. ### Please help. Find the dimensions of a rectangle that has a perimeter of 16cm and area of 13 cm^2?

per of a rectangle means that 2 sides are equal and longer than the other 2 sides which are also equal. thus, basically 4*?=16, 4! so 2 sides are over 4 and 2 sides are less than 4. start there and do the math...

1 Answers · Education & Reference · 09/10/2011

3. ### Fill in each blank with the most reasonable metric unit (km, m, cm, or mm).?

Your pencil is about 7mm thick. The length of a football field is about 90m A standard film size for a camera is 35cm The zipper on my jacket is about 70cm long Jacob, our basketball centre, is 203cm tall A...

3 Answers · Education & Reference · 28/04/2011

4. ### What is the surface area of a sphere with a radius of 4.5 cm?

the formula to find the surface area of a sphere is SA=4pir^2 (four x pi x radius squared) from there you should be able to solve it. 4 x 3.1459 x 4.5^2 plug it into a calculator.

1 Answers · Education & Reference · 11/01/2013

5. ### Two similar prisms have heights 4 cm and 10 cm. What is the ratio of their surface areas?

4 and 10 are corresponding sides. The answer is not simply 4/10. When there are corresponding sides in a ratio problem like this, you square the answer. The answer, therefore, is 16/100 or 4/25.

2 Answers · Education & Reference · 28/05/2010

6. ### a rectangle has a perimeter of 38 cm. the base is 7 cm. what is its height?

2(l + b) = perimeter 2(l + 7) = 38 2l + 14 = 38 2l = 38 - 14 = 24 l = 24/2 l = 12 To check: substitute l back into equation 2(12 + 7) = 38 2 (19) = 38 38 = 38 LHS = RHS

1 Answers · Education & Reference · 20/04/2011

7. ### Jude's fish tanks, shown below, holds 100 000 cm cubed of water when, Jude decides to...........?

Yay Geometry! Okay, the first step you need to do is identify what equation to use. For this we use V=lwh because it's a rectangular prism. Now, we don't have the measurements, so not much can be solved. It asked...

1 Answers · Education & Reference · 06/04/2011

8. ### A square cake pan measures 30 cm on each side and is 5 cm deep. Cody wants to coat the inside of the pan with?

So you need to find the area of the inside of the pan, to see how much oil he&#x27;ll need to coat it. The base of the pan is a square of 30cm by 30cm, and it has walls which are 5cm high on each side of the square, each of the walls are therefore 30cm wide because they span the...

4 Answers · Education & Reference · 18/01/2014

9. ### Find the volume of a rectangular prism with the dimensions 5 cm by 12 cm by 4 cm?

volume of a rectangular prism can be found as follows: volume=length*height*width. So volume=5*12*4=240cm

2 Answers · Education & Reference · 17/03/2013

10. ### The hypotenuse of a right triangle has length 17 cm. the sum of the length of the leg is 23 cm. what are their lengths?

Let a= x b =23-x c= 17 solve for x first x^2 + (23-x)^2 = 17^2 x^2 + 529 -46x+x^2 = 17^2 2x^2 -46x = -529 + 289 2x^2 -46x = -240 2x^2 -46x +240 = 0 x^2 -23x + 120 = 0 Use quadratic formula to solve for two possible answers for x Then substitute back to solve for the tow sides ... x and 23-x...

1 Answers · Education & Reference · 28/12/2014