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mr Goodwill [35]
3 years ago
10

If the dimensions of the rectangle are doubled, what is the area of the new rectangle? in terms of X?

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

4(x+3)=4x+12 because when you have the ( ) you have to multiply the front # with the # inside it.

I hope that my image explains it I’m not really good at explaining things

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A square part of side 20 meters has a footpath along the boundary of width 10 meters . Find the area of path
qaws [65]

Answer:

Answer: 84 meters squared. (i.e. 84m^2).

Step-by-step explanation:

Area of the path = total area of path and plot - plot area only

First, let’s find the area of the plot:

20m x 20m = 400m^2

The path is 1m wide and runs all the way around, so, it describes an ‘outer square’ of 22m x 22m (2 x 1m larger because there are 1m of the path on each side).

The area of this ‘outer square’ is equivalent to the ‘total area of path and plot’

22m x 22m = 484m^2

So:

Area of the path = total area of path and plot - plot area only

= 484 - 400 = 84m^2

4 0
3 years ago
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F(x) basically just substitutes the "y"
so you would bring everything over to one side
y + 3 = 0
subtract 3
y = -3
then 
f(x) = -3

That is B)
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