3 years ago

True or false? A circle could be circumscribed about the quadrilateral below?

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

8 0

True I think it k hdbdbnsjs

vladimir1956 [14]3 years ago

7 0

Answer:

false

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Which of the following are solutions to 2x2 – 8x - 90? Select all that apply.

Bond [772]

Answer:

x=-5, x=9

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

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

in this problem we have

$2x^{2} -8x-90$

equate to zero

$2x^{2} -8x-90=0$

$2=-1\\b=-8\\c=-90$

substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(2)(-90)}} {2(2)}$

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3 years ago

11cm by 6 cm rectangle

puteri [66]

Answer:

Question unclear.

If the question was about the perimeter of the rectangle, it is calculated as:

= (Length * 2) + (Height * 2)

= (11 * 2) + (6 * 2)

= 22 + 12

= 34 cm

If the question was bout Area, the area is:

= Length * width

= 11 * 6

= 66 cm²

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Assoli18 [71]

Answer:

F. 10 30. please brainliest

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