4 years ago

A square was enlarged by the scale factor 2 the new square has sides of 12cm find the area of the original

Mathematics

1 answer:

BlackZzzverrR [31]4 years ago

8 0

Answer:

36cm^2

Step-by-step explanation:

Since the square was enlarged by a scale factor 2, sides of the old square = 12/2

= 6

Area of the original quare = L x L

= 6 x 6

= 36cm^2

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hey the question is, " The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet."

Tema [17]

Answer:

42 = l

21 = w

Step-by-step explanation:

{l = 2w

{126 = 2w + 2l

126 = 2w + 2[2w]

126 = 2w + 4w

126 = 6w

21 = w [Plug this back into both equations to get the length of 42]; 42 = l

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4 years ago

De los 125 alumnos que hay en 5 grado, 3/4 de ellos tienen celular. Cuántos alumnos no tienen celular?

bogdanovich [222]

Answer:

31 alumnos no tienen celular

Step-by-step explanation:

Si 3/4 de los alumnos tienen celular, entonces 1/4 de ellos no tienen celular.

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4 years ago

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Answer:

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3 years ago

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3 years ago

How do you verify the identity?

rodikova [14]

Their both the answer hope this helps

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3 years ago