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3 years ago

Prove that the shape below is a rectangle.

Mathematics

2 answers:

Ulleksa [173]3 years ago

5 0

Answer:

HG = EF

GF = HE

Step-by-step explanation:

zlopas [31]3 years ago

4 0

Answer:

There are 4 sides and 4 corners, a rectangle has 4 angles, each measuring 90 , and the opposite sides of a rectangle have the same lengths and are parallel.

a parallelogram is known to have one right angle, then repeated use of co-interior angles proves that all its angles are right angles. If one angle of a parallelogram is a right angle, then it is a rectangle.

Step-by-step explanation:

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Use the following function rule to find f(9). f(x) = 5x - 4 f(9) = ?

Leona [35]

Step-by-step explanation:

f(x) = 5x - 4

You have to replace 9 to every position x is in.

f(9) = 5×9 - 4

f(9) = 45 - 4

f(9) = 41

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3 years ago

What is the slope of the line through (-9,6) and (3,-9)

mrs_skeptik [129]

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4 years ago

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4 years ago

Which of the following are solutions to the equation below? x^2-2x-24-0

Dominik [7]

Answer:

x=-4

x=6

Step-by-step explanation:

Lets put to work the well known quadratic equation:

$x=\frac{-b+/- \sqrt{b^{2}-4ac } }{2a}$

Let us also, remember the given equation: x^2-2x-24=0

Where 'a' would be equals to 1, 'b' equals to -2 and c equals to -24.

The quadratic equations with those values is:

$\frac{2 +/- \sqrt{4+96} }{2}$

Where we obtain two values.

x1= -4

and x2= 6

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3 years ago