3 years ago

Determine the input that produces the largest or smallest output s = −16t^2 + 196t + 80

Mathematics

1 answer:

Oliga [24]3 years ago

5 0

6 gives largest output and 12.7 or -.4 gives the smallest

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A light bulb consumes 1440 watt hours per day. How many watt hours does it consume in 3 days and 12 hours?

Mama L [17]

Answer:

5040 watts i think

Step-by-step explanation:

1440 X 3 = 4320 24 / 12 = 2

1440 / 2 = 720

4320 + 720 = 5040

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3 years ago

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What value of y makes this equation true <br><br> 14•y =126

Veseljchak [2.6K]

Answer:

y = 9

Step-by-step explanation:

to solve this equation, you first have to divide:

14 * y = 126

/14 /14

y = 9

and there is the answer. If you need to prove that y = 9, just input it into the equation.

14 * 9 = 126

126 = 126

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3 years ago

Do the three points lie on one line?

padilas [110]

Answer:

Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then $m_{AB} = m_{BC} = m_{AC}$

$m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\$

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

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2 years ago

write an equation that demonstrates the relationship between x and y for the points plotted on the coordinate grid

svetoff [14.1K]

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Explanation:

The y-intercept is -7 and the line is going up by a rate of 3.

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How many trucks would you load in 9 hours if i loaded 5 trucks every 6 minutes

valentinak56 [21]

The answer is 270 trucks.

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3 years ago