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Darina [25.2K]
2 years ago
8

Solve the quadratic equation x2−5x=−20 by completing the square.

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
5 0

Answer:

x = \frac{5}{2} + \sqrt[i]{55}/2

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maria [59]
Choice E. The answer is congruent.
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3 years ago
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What are all of the different possible outcomes when two 4-sided dice are rolled?​
Vinvika [58]

Step-by-step explanation:

first of all I don't think a 4 sided dice is even possible

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8 0
3 years ago
Leah walks to soccer practice on Saturday. She leaves her home and walks 600 meters north. Leah then turns east and continues on
Diano4ka-milaya [45]

Answer:

800m

Step-by-step explanation:

this would be solved using Pythagoras theorem

we are to find the base

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c =  hypotenuse

600² + b² = 100²

b² = 10000 - 3600

b² = 6400

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4 0
2 years ago
A regular pentagon with a perimeter of 21 inches is dilated by a scale factor of
levacccp [35]
<h3>Answer: 35 inches</h3>

Each side of the pentagon is multiplied by 5/3 to get the length of each new side, so the perimeter is multiplied by 5/3 to get the new perimeter.

New perimeter = (scale factor)*(old perimeter)

New perimeter = (5/3)*(old perimeter)

New Perimeter = (5/3)*(21)

New Perimeter = (5/3)*(21/1)

New Perimeter = (5*21)/(3*1)

New Perimeter = 105/3

New Perimeter = 35 inches

5 0
3 years ago
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HELP PLEASE FAST I WILL MARK BRAINLIEST RANDOM ANSWERS WILL BE REPORTED
ElenaW [278]

Answer:

(-2,-4)

Step-by-step explanation:

Turning the point 180 degrees causes the point to be reversed, or upside down, therefore the numbers will become negative.

3 0
3 years ago
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