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89 m is the answer gl!

:)))

Area  5 x 8 = 40cm^2

If 5cm is a perpendicular height then of course its 40cm

But if its slant height then we can do the following by flipping the triangles diagonal to find the longer length that sits perpendicular with the perpendicular line.

47.2cm^2 if using full decimal in diagonal finding

and if rounding diagonal fining to 9.4cm we x by 5  we get 9.4 x 5 = 47cm^2

Step-by-step explanation:

Parallelogram no height

Step 1 we use Pythagoras to get the diagonal measure so we can flip the triangle measure and re calculate  .

sqrt of 25+  sqrt 64 = sq rt 89 = 9.43

9.43cm  is your hypotenuse diagonal

and then deduct 9.43 - 8 = 1.43cm x 5  use that length and area to deduct from 8x 5 = 40

1/2 x 9.43 x 5 = 23.575

1/2 x 1.43 x 5 = 3.575

23.575 - 3.575  = 20

20+20 = 40cm

If this is shown its proven the slant has been added and taken away.

To represent the method if just slant was given and no height.

step-by-step explanation:

y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)  

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.