3 years ago

Which statement cannot be justified by one of the properties of real numbers

1 answer:

6 0

The answer would be B because it demonstrates the fact that if a is decreased by the quotient of b and c then the second expression wouldn't result into that same answer due to the different arrangements of the signs.

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4 cups servers 12 people how many cups server 4 people

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Your answer should be 3/4 a cup

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3 years ago

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Complete the point slope equation of the line through (-5, 7) and (-4, 0).

IgorLugansk [536]

For this case we have that by definition, the point-slope equation of a line is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have two points:

$(x_ {1}, y_ {1}): (- 5,7)\\(x_ {2}, y_ {2}): (- 4,0)$

We found the slope:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0-7} {- 4 - (- 5)} = \frac {-7} {-4 + 5} = \frac {-7} {1} = - 7$

Thus, the equation is of the form:

$y = -7x + b$

We substitute one of the points and find "b":

$0 = -7 (-4) + b\\0 = 28 + b\\b = -28$

Finally, the equation is:

$y = -7x-28$

Answer:

$y = -7x-28$

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4 years ago

Solve the simplify 1/4 times 4/7

Nutka1998 [239]

$\dfrac{1}{\not4_1}\cdot\dfrac{\not4^1}{7}=\dfrac{1}{1}\cdot\dfrac{1}{7}=\boxed{\dfrac{1}{7}}$

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3 years ago