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Anni [7]
3 years ago
12

Which of the following is a solution to the quadratic equation x2-3x-54=0

Mathematics
2 answers:
BaLLatris [955]3 years ago
7 0

Answer:

A

Step-by-step explanation:

x² - 3x - 54 = 0

x² - 9x + 6x - 54 = 0

x(x - 9) + 6(x - 9) = 0

(x - 9)(x + 6) = 0

x = -6,9

Agata [3.3K]3 years ago
7 0
X2-3x-54=0
Answer: A.9
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Debra travels a distance of 2 miles in 1 minute how much distance can she cover in 25 minutes
Marta_Voda [28]

Debra will travel 50 miles in 25 minutes

Step-by-step explanation:

Given

distance = 2 miles

Time = 1 minute

Other time = 25 minutes

We can use the proportions to find the number of miles debra will travel in 25 minutes

So,

Distance:Time::Distance:Time\\2:1::Distance:25\\\frac{2}{1} = \frac{Distance}{25}\\Distance = 25 *2\\= 50\ miles

Hence,

Debra will travel 50 miles in 25 minutes

Keywords: Proportion, rate

Learn more about proportion at:

  • brainly.com/question/4528757
  • brainly.com/question/4480478

#LearnwithBrainly

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3 years ago
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3 0
3 years ago
Ryan wants to buy a new guitar that costs $325.00. He already has $75 in his account and makes $20 per day. How many days will h
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2 years ago
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