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3 years ago

What is 3/4 - 1/2?...Please explain...Rewarding Brainliest...

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

3 0

Answer:

1/4

Step-by-step explanation:

Find common denominators. Note that what you multiply (or divide) from the denominator, you must also do the same to the numerator.

In this case, the common denominator would be 4. Multiply 2 to both the numerator & denominator of (-1/2):

(-1/2) * (2/2) = (-1 * 2)/(2 * 2) = -2/4

Subtract across:

3/4 - 2/4 = (3 - 2)/4 = 1/4

1/4 is your answer.

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Points E(-1, -2) and F(4, -2) are the vertices of a square. Give the coordinates of three possible pairs of points for the other

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The vertices of a square are its endpoints

The coordinates of the other pairs are: (-1, 3), (4, 3) and (-1, -7), (4, -7)

The given parameters are:

$\mathbf{E = (-1,-2)}$

$\mathbf{F = (4,-2)}$

Calculate the distance EF

$\mathbf{EF = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}}$

So, we have:

$\mathbf{EF = \sqrt{(-1 - 4)^2 + (-2 - -2)^2}}$

$\mathbf{EF = \sqrt{25}}$

$\mathbf{EF = 5}$

Add 5 to the y-coordinates of E and F

$\mathbf{C = (-1,-2+5)}$

$\mathbf{C = (-1,3)}$

$\mathbf{D = (4,-2+5)}$

$\mathbf{D = (4,3)}$

Subtract 5 to the y-coordinates of E and F

$\mathbf{C = (-1,-2-5)}$

$\mathbf{C = (-1,-7)}$

$\mathbf{D = (4,-2-5)}$

$\mathbf{D = (4,-7)}$

Hence, the coordinates of the other pairs are: (-1, 3), (4, 3) and (-1, -7), (4, -7)

There is no third pair

Read more about vertices at:

brainly.com/question/2791243

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