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deff fn [24]
3 years ago
5

A student builds a model of a high-rise for a diorama for an architecture class. The model is a perfect cube and the total volum

e is 500 cubic centimeters. How long is one side of the high-rise building? (Recall that the volume of a cube is calculated by l3 , where l is the length of one side).
Mathematics
2 answers:
laila [671]3 years ago
6 0
The answer is 166.6666667
BartSMP [9]3 years ago
3 0
Volume of the cube (V) = 500cm^3
V = side/length (l)^3 --> so length of one side (l) = cube root (cr) of 500cm^3
This can be done on a calculator by using 500^(1/3), since fractional exponents represent roots:
l = crV = cr500cm^3 = 7.937
= 7.94 cm
* you can verify this by cubing 7.94
--> 7.94^3 = ~500
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A rope is 50 meters long. It is cut into two pieces and one piece is 8 meters longer than the other. What are the two lengths?
Mashcka [7]

Answer:

21 meters and 29 meters

Step-by-step explanation:

x + (x + 8) = 50

2x + 8 = 50

2xc = 42

x = 21

x + 8 = 29

6 0
3 years ago
Write five expressions that are equivalent to 20x+100
Phoenix [80]
4(5x+25)
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hope this helps
4 0
3 years ago
An experiment consists of choosing objects without regards to order. Determine the size of the sample space when you choose the
sdas [7]

Answer:

a

    n=  75, 582

b

  n=    2300

c

  n =   253

Step-by-step explanation:

     Generally the size of the sample sample space is  mathematically represented as

           n  =   \left N } \atop {}} \right.  C_r

Where   N is the total number of objects available and  r is the  number of objects to be selected

    So  for  a,  where N = 19  and r = 8  

         n  =   \left 19 } \atop {}} \right.  C_8 =  \frac{19 !}{(19 - 8 )! 8!}

                           =     \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}

                           n=  75, 582

    For  b  Where  N  = 25 and  r  =  3

           n  =   \left 25 } \atop {}} \right.  C_3 =  \frac{25 !}{(19 - 3 )! 3!}

                             =     \frac{25 *24 *23 *22 !  }{22 ! \ 3!}

                             n=    2300

   For  c  Where  N  = 23 and  r  =  2

            n  =   \left 23 } \atop {}} \right.  C_2 =  \frac{23 !}{(23 - 2 )! 2!}

                              =     \frac{23 *22 *21!  }{21 ! \ 3!}

                              n =   253

4 0
3 years ago
Emma noticed that the food label on a box of crackers included the total fat grams in 1 serving.
crimeas [40]

Answer:

cgcvjhwxgbiuh

Step-by-step explanation:

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3 years ago
There are two triangles. One has a base of 8cm and the height of 10 cm the other has a base of 5cm and a height of 13cm which tr
mina [271]

Answer:

The first triangle is larger

Step-by-step explanation:

(1/2)(8)(10)=40

(1/2)(5)(13)=32.5

4 0
3 years ago
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