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nikitadnepr [17]
3 years ago
7

What are the Solutions to the quadratic equation 40-x^2=0​

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
8 0

Answer:

the answer will be number two x=+4\sqrt 20

Step-by-step explanation:

if u can brainliest plsss

Vitek1552 [10]3 years ago
6 0

Answer:

A. x= ±2√10

Step-by-step explanation:

subtract 40 from each side

divide each side by the negative

take the square root of both sides

simplify the square root of 40

±2√10

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2 years ago
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Naddik [55]

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Looking at the first question, it's asking what best describes the probability of tossing a number less than 6 on a number cube that has 6 numbers.  Impossible means that it will never land on it, for example asking what the probability of landing on 7 is.  Unlikely is something that doesn't happen often.  The best option that fits our scenario is option C, likely.

Looking at the second question, it's asking what the probability that the teacher chooses a girl in his class.  There are 15 girls and a total of 27 students in the class so we take the probability by doing 15/27.  We can narrow both the numerator and the denominator using 3 which gives us 5/9.  Therefore, the best option that fits our scenario is option C, 5/9.

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