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Alik [6]
4 years ago
6

BRAINLIESTTT ASAP! PLEASE HELP ME :)

Mathematics
1 answer:
bekas [8.4K]4 years ago
6 0

∧ means and

∨ means or

We can rewrite (q ∧ r) ∨ s with what we were given: A right angle measures 90° and four points are always coplanar, or a decagon as 12 sides.

This statement matches that of choice 2 and 3.

Now, we need to find out whether its true or not.

q: A right angle measures 90° (true)

r: Four points are always coplanar (false)

s: A decagon as 12 sides (false)

We can rewrite the expression:

(true ∧ false) ∨ false

~Simplify

false ∨ false

~Simplify

false

Therefore, the correct answer is Option B.

Best of Luck!

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Answer:

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Step-by-step explanation:

We want to find the equation of a circle with a center at (7, 2) and a point on the circle at (2, 5).

First, recall that the equation of a circle is given by:

(x-h)^2+(y-k)^2=r^2

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Since our center is at (7, 2), <em>h</em> = 7 and <em>k</em> = 2. Substitute:

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25+9=r^2

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r^2=34

We don't need to take the square root of both sides, as we will have the square it again anyways.

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(x-7)^2+(y-2)^2=34

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