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Licemer1 [7]
3 years ago
6

Which expression represents the product of an unknown number and 19?

Mathematics
2 answers:
Galina-37 [17]3 years ago
7 0
I would go with D. Hope that helps :)
Vesnalui [34]3 years ago
5 0
D.

19 • n

The dot (•) is an alternative for the multiplication sign (×)
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She read 250 words per minute.

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Simply divide the words read by the time took to read that amount = (2000/8) words per minute = 250 words per minute.

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Margie is standing on a bridge looking at the river below. She throws a rock over the bridge with an initial
Marina CMI [18]
<h2>Explanation:</h2><h2></h2>

Here we know that Margie is standing on a bridge looking at the river. She throws a rock over the bridge with an initial  velocity of 60 ft/sec. The height, h, of the rock at the rime t seconds after it was thrown can be modeled by the  equation:

h(t) = -16t^2+60t+72

To calculate how long will it take for the rock to reach the surface of the water, we need to set h(t)=0. So:

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6 0
3 years ago
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