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2 years ago

Each side of a square is (7 + 3x) units. Which is the perimeter of the square?

Mathematics

1 answer:

erastovalidia [21]2 years ago

4 0

Answer:

49 + 9x units

Step-by-step explanation:

perimeter is sum of all the sides

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Answer:

a=180-(45+37)

b=180-(9+24)

c=180-(42+64)

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Step-by-step explanation:

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3 years ago

If bob had 3 cats and give 1 to earl how many does bob have ?

Vlad1618 [11]

After he gave one cat away he lost 1 so 3-1 is equivalent to the number 2
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Una situacion no se puede con certeza con un numero natural corresponde a:

harina [27]

A es la respuesta correcta. Hay tantas monedas en un banco, que es imposible contarlas todas. Disculpe mi pobre español, lo siento. :)

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2 years ago

Given a point A(-3,-1), it is dilated by some scale

Sidana [21]

Answer:

$B' = (-3, -15)$

Step-by-step explanation:

Given

$A = (-3,-1)$

$A' = (-9,-3)$

$B = (-1,-5)$

Required

Determine the coordinates of B'

Since A' is the image of A; we need to first calculate the scale factor using

$A' = A * Scale\ factor$

Make Scale Factor the subject

$Scale\ Factor = \frac{A'}{A}$

Substitute values for A' and A

$Scale\ Factor = \frac{(-9,-3)}{(-3, -1)}$

Factorize the numerator

$Scale\ Factor = \frac{3 * (-3,-1)}{(-3, -1)}$

$Scale\ Factor = \frac{3 * 1}{1}$

$Scale\ Factor = 3$

The coordinates of B' is then calculated as follows:

$B' = B * Scale\ Factor$

Substitute values for B and Scale Factor

$B' = (-1,-5) * 3$

$B' = (-3, -15)$

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2 years ago