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Mathematics

2 answers:

S_A_V [24]2 years ago

6 0

The one in the middle left, all the squares are red except for the entire bottom row :)

coldgirl [10]2 years ago

6 0

Answer:

Middle left

Step-by-step explanation:

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Nilsa is working on a 60 minute math test. There are 20 questions on the test. If it takes her 20 minutes to complete 12 of the

nadezda [96]

She can't spend more than 5 minutes on each of the remaining 8 questions.

It's a 60-minute test in which she has spent 20 minutes answering 12 questions. That means that there are 40 minutes remaining (60-20) to answer the remaining 8 questions. That's 40 divided by 8 = 5.

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2 years ago

Describe how the discriminant of a quadratic equation is related to the number of real solutions the equation has.

Anettt [7]

If the discriminant of a quadratic equation, given by B^2-4AC is positive, it has 2 real solutions. If 0, it has 1 real solution and if negative it has 0 real solutions.

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3 years ago

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Selena was comparing the flying speeds of different birds in science class. Which of the three birds flies fastest? Why?

Mashcka [7]

Answer:

Option C. The robin flies fastest because its rate is 15 m/s

Step-by-step explanation:

Let

x -----> the time in seconds

y ----> the distance in meters

The speed is equal to divide the distance by the time