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Vlada [557]
3 years ago
9

The converse of the statement “If a quadrilateral has four right angles, then it is a rectangle” is "______."

Mathematics
1 answer:
Nataly [62]3 years ago
6 0
A quadrilateral because you just reverse the question.
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I need help with #8. I need to use the quadratic formula. I have a calculator that is programmed for the quadratic formula so al
GuDViN [60]

Answer:

  x = 14

Step-by-step explanation:

Extend line AB so that it intersects ray CE at point G. Then angles BGC and BAD are "alternate interior angles", hence congruent.

The angle at B is exterior to triangle BCG, and is equal to the sum of the interior angles at C and G:

  138 = (376 -23x) +(x^2 -8x)

Subtracting 138 and collecting terms we have ...

  x^2 -31x +238 = 0

For your calculator, a=1, b=-31, c=238.

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<em>Additional comment</em>

You will find that the solutions to this are x = {14, 17}. You will also find that angle BCE will have corresponding values of 54° and -15°. That is, the solution x=17 is "extraneous." It is a solution to the equation, but not to the problem.

For x=14, the marked angles are A = 84°, C = 54°.

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How long will it take a seal swimming at a speed of 8 miles per hour to travel 52 miles
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3 years ago
Write x^3-11x^2 in standard form
Vika [28.1K]

Answer:

The answer is x^3 - 11x^2

Step-by-step explanation:

Write in standard form.

Hoped this helped!

brainly, please?

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I GIVEEEEEEEEEEEEEEEE BRAINLILST
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Answer:

x,y ⇒x+10, y+10

Step-by-step explanation:

from looking at the graphs we can see there is only horizontal and vertical translations

take any point, for example the point C and it's transformed counterpart C'

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the point is translated 10 right and 10 up

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3 years ago
Help... It's homework, I need ur Help :""""")​
pochemuha

Answer:

112

Step-by-step explanation:

the formula for area is length times width,so in this case 14×8 = the area

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