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2 years ago

If a person blinks their eyes once every 3 minutes on the average, then how many times

Mathematics

1 answer:

Paha777 [63]2 years ago

5 0

Answer:

480

Step-by-step explanation:

If a person blinks every 3 minutes, there is 60 minutes in 1 hour. So, multiply 60 by 24 (hours a day), 60 x 24 = 1440 minutes.

1440/3 = 480

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Find the equation of the linethe line passes through the points (5,2) and (-4,-4)

almond37 [142]

Answer:

$y = \frac{2}{3}x - \frac{4}{3}$

Step-by-step explanation:

first find the slope using the above points then use the slope formula to calculate the slope

$m = \frac{y2 - y1}{x2 - x1} \\ \frac{2 - - 4}{5 - - 4} = \frac{2 + 4}{5 + 4} = \frac{6}{9} = \frac{2}{3}$

substitute ⅔ for m and one of the above points into the y-intercept form of the equation for a line and solve for b

$y = mx + b \\ 2 = \frac{2}{3} (5) + b \\ 2 = \frac{10}{3} + b \\ 2 - \frac{10}{3} = b \\ \frac{6}{3} - \frac{10}{3} = b \\ b = - \frac{4}{3}$

substitute the slope and the value for b into the equation to get the answer

$y = \frac{2}{3} x - \frac{4}{3}$

4 0

2 years ago

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garri49 [273]

Answer:

k = -13

Step-by-step explanation:

-143/11 = -13

7 0

2 years ago

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Troyanec [42]

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2 years ago

Identify the coefficient and the exponent for each term of 8x ^ 4 - 2x

velikii [3]

Step-by-step explanation:

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2 years ago

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