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Afina-wow [57]
3 years ago
11

Hi i kinda stuck on this question. Help please. Workings Please​

Mathematics
1 answer:
egoroff_w [7]3 years ago
3 0

Answer:

D. 4m^{2}

Step-by-step explanation:

First find the area of 1 tile

= length * breadth

= 8 * 5

= 40cm^{2}= 40/10000 = 0.004

no. of tiles= 1000

therefore, total area of 1000 tiles = area of room= 1000*0.004

=4m^{2}

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The weight, w, of a spring in pounds is given by 0.9 times the square root of the energy, E, stored by the spring in joules. If
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-----------------------------------------------

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