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1. ### Construct two similar triangles, one with measurements of 5, 12, and 13 cm. Explain lengths and construction.?

...identical in both triangles. Let's call the side which is 5 cm side A. Let's call the one which is 12 cm side B...

2 Answers · Education & Reference · 04/08/2012

2. ### A right triangle has the hypotenuse c = 12 cm (centimeters) and an angle A = 30°. Find the length of side a,?

It's 6 cm. the angle is always opposite the side it is referring to, so angle A would pertain to side a. Then you multiply 12 by sin(30degrees) and get your answer of 6.

1 Answers · Education & Reference · 12/12/2012

3. ### On a map 2.5 cm represents 400 km. what distance would a 3.8 cm line represent?

...think you went to wizard school. Your scale is 400km/2.5cm = 160km/cm. Now you can calculate any distance anywhere on the map. 160km/cm x 3.8cm = 608km...

1 Answers · Education & Reference · 27/11/2013

4. ### If there are 100 000 cm in a km...?

simply divide 100000 by 276. 362.319 is the answer so it goes around 362 times. but 276 cm circumference. that is 2.76 m, dont you think it is a very big wheel? hahaha

5 Answers · Education & Reference · 21/10/2007

5. ### A scientist has developed a new type of material that is supposed to float on water. This material has a mass of 2.0 g for every 3.0 cm...?

yes it will float it weighs 2 grammes and its volume is 3*3*3 or 27 cm^3 for it to sink it would have to weight more than 27 grammes its density is 2/27 which is less than 1.0

1 Answers · Education & Reference · 12/10/2015

6. ### How do i find the density of kg/cm? if the volume is 95.25cm3 and mass is 48 g? ?

mass = density x volume volume = mass / density density = mass / volume You want kg mass per cm, so your calculation is .048 ( because you only have 48grams) / 95.25 which is 5.039 kg per cm3 Hope this helps.

2 Answers · Education & Reference · 07/03/2011

7. ### A rectangle has sides (2x + 5) cm and (3x – 2) cm.?

...x + 5 = -2 -x = -7 x = 7 If x = 7, then 2x + 5 = 2(7) + 5 = 14 + 5 = 19 cm So, the length of one side would be 19 centimeters.

2 Answers · Education & Reference · 08/03/2014

8. ### Two positive point charges are 5.50 cm apart.?

130

2 Answers · Education & Reference · 23/02/2011

9. ### If it takes 10 hrs to drain a bath tub (5700 cm^3), what is the flow rate in kg/s?

velocity(speed)= mass/time so basically velocity=5700/10 velocity=570kgcm3/h

1 Answers · Education & Reference · 24/09/2008

10. ### The length of a rectangle is 1 cm longer than its width.?

length = 3.28388218142 width = 2.28388218142 length^2 + width^2 = diagonal^2 L^2 + (L-1)^2 = 16 L^2 + (L^2 -2L + 1) = 16 L^2 + L^2 -2L +1 = 16 2L^2 -2L -15 = 0 Solve for L using the quadratic formula L= (1...

3 Answers · Education & Reference · 10/06/2007