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kari74 [83]
3 years ago
13

Which equations have the same value of x as 3/5 (30x-15)=72

Mathematics
1 answer:
irakobra [83]3 years ago
8 0
The answer is 9(2x-1)=72
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Find an ordered pair (x,y) that is a solution to the equation 2x-y=6
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This cuboid is made from cm squares
11Alexandr11 [23.1K]

Answer:

Step-by-step explanation:

Each signal unit cubes are 1 cm to each side

the dimensions of the large cube is 4 by 6 by 3      width height and depth

a) volume of the cube   Vol = area of the base times height  

              area of the base = the width times the depth  

              Volume = Base Depth

                            =  Width x Depth x Height

                            =      4 x 3 x 6

                            =       12 x 6

                Vol      =   72 cm ³

b )  the volume of the smaller cuboid has different dimensions    

             the smaller cube is 2 by 2 by 1      width height and depth

          Volume = Base Depth

                            =  Width x Depth x Heigh

                            =    2 x 2 x 1  

 Vol smaller cuboid    =   4

      How many smaller cubes can be made?

            The obvious answer might be to straight up divide the large cube volume by the smaler cuboid volume. That might work IF all of the cuboid dimensions divide evenly into the cube dimensions.

  Number of cuboid  =   Volume of the cube  /  Volume of the cuboid

                                  =             72 / 4

                                  =        18

Check this answer by dividing the dimension of the cube by the cuboid

         4 by 6 by 3

         2 by 2 by 1

      (4/2) by (6/2) by (3/1)

        2    by    3   by     3       = 2 x 3 x 3     =    18

3 0
3 years ago
Evaluate 8 a − 1 + 0.5 b 8a−1+0.5b8, a, minus, 1, plus, 0, point, 5, b when a = 1 4 a= 4 1 ​ a, equals, start fraction, 1, divid
Fynjy0 [20]

Answer:

6

Step-by-step explanation:

We want to evaluate:

8a-1+0.5b

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We simply substitute the given values of as and b into the given expression,

8a-1+0.5b=8(\frac{1}{4}) -1+0.5(10)\\=2-1+5\\=6

The value of the expression is 6 for the give values of a and b.

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Which of the following graphs could represent a cubic function?
xeze [42]

Answer:

A

Step-by-step explanation:

Here, we want to select which of the graph represents a cubic equation

Graphs B and C looks parabolic and thus, they probably will represent a quadratic equation

Graph D represents a straight line equation

Graph A represents a cubic function due to its shape

So our answer is graph A only

8 0
3 years ago
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