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Alinara [238K]
2 years ago
10

Use the quadratic formula to solve the equation X^2+9X+20=0

Mathematics
2 answers:
lions [1.4K]2 years ago
6 0

Answer:

x=-4

x=-5

Step-by-step explanation:

Stells [14]2 years ago
3 0

Answer:

-4 or -5

Step-by-step explanation:

Well, you have to first understand variables a, b, and c. A in this equation is 1, b is 9, and c is 20. Then you plug those into -b ± sqrt (b^2-4ac)/2a and find that the discriminant, or what is under the square root, is one. Your two roots will be -4 and -5.

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Answer:

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3 years ago
Susan worked 5 out of 8 hours during the day what percentage of the day does she work
Aleksandr-060686 [28]
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2 years ago
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a group of students were surveyed to find out if they like building snowmen or skiing as a winter activity. The results of the s
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Answer:

2/5 or 0.4

Step-by-step explanation:

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3 years ago
Which of the triangles shown are scalene triangles?
sergij07 [2.7K]

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<h3>What is a Scalene Triangle?</h3>

A scalene triangle is a triangle whose three angles are unequal and also has three unequal sides.

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Thus, the triangle that shows a scalene triangle is: D. a triangle where all the sides on it are different lengths.

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brainly.com/question/16589630

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