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jok3333 [9.3K]
3 years ago
6

Find the value of p in the figure below.

Mathematics
1 answer:
nirvana33 [79]3 years ago
6 0

From the chord theorem we have:

4\cdot4.5=6\cdot(2p-3)\\\\18=12p-18\\\\12p=18+18\\\\12p=36\qquad|:12\\\\\boxed{p=3}

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Does this Graph represent a function? Why or why not?
koban [17]

Answer: Yes

Step-by-step explanation:

To solve this, imagine you have a vertical line. You can use a ruler or something straight. Move the ruler across the screen. Does the ruler intersect 2 points at once? If so, then it is not a function. If it only intersects one point, then it is a function.

Always remember: a function cannot have two x's with different y-values.

Hope that helped!

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I need help completing this problem ASAP
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Answer:

8 sqrt(5)

Step-by-step explanation:

sqrt(45) + sqrt(125)

Rewriting

sqrt(9*5) + sqrt( 25 *5)

we know sqrt(ab) = sqrt(a) sqrt(b)

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Add like terms

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3 years ago
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A shoe store is having a sale. A pair of sandals has an original price of $42. They are on sale for 30% off the original price.
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30% of 42 is 12.6$.
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What is the length of chord An in Oo below?
Anika [276]

Answer:

12 units

Step-by-step explanation:

In\: \odot O,

  • chords \overline{ML} and \overline{AN} are equidistant (7.2 units) from the center of the circle O.
  • Measures of the chords equidistant from the center of the circle are equal.
  • \therefore m(chord\:\overline{AN}) =m(chord\:\overline{ML})
  • \because m(chord\:\overline{ML}) = 12\: units
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4 0
3 years ago
State the value of the discriminant for <br><br>y = <img src="https://tex.z-dn.net/?f=5x%5E2%2B9x-3" id="TexFormula1" title="5x^
Nostrana [21]

Answer:

141, meaning that there will be two real solutions

Step-by-step explanation:

The discriminant of a quadratic is b^2-4ac, which in this case is:

9^2-4(5)(-3)=81+60=141

Since the discriminant is positive and not zero, there will be two real solutions to this equation. This is because when the discriminant is negative, and you take the square root of it, you get a negative number. If you take the square root of 0, you get 0, which means that there will only be one solution to the equation.

Hope this helps!

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