Can someone give me the answers for the number frame and how you did it, I’m confused :)

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

8 0

Answer:

16, 56, ...

Step-by-step explanation:

It looks like you have to put in each cell the multiplication of the row and the column, so the columns are 2, 7, 4 etc., and the row is always 8.

First cell: 2x8 = 16

Second cell: 7x8 = 56

and so on

It teaches you to apply the multiplication in a random sequence; you should be able to do this in your head.

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check the picture below, that's pretty much the same block, or "rectangular prism", with a width of 10, length of 5 and height of 1.

so anyhow, is really 6 rectangles stacked up to each other at the edges, so, we can simply get the area of each of those rectangles, add them up and that's the surface area.

front and back, two rectangles of 5x1

left and right, two rectangles of 1x10

top and bottom, two rectangles of 10x5

$\bf \stackrel{\textit{front and back}}{2(5\cdot 1)}+\stackrel{\textit{left and right}}{2(1\cdot 10)}+\stackrel{\textit{top and bottom}}{2(10\cdot 5)}$