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Flauer [41]
3 years ago
10

Perform the operations. -3.1 + (-7.2) + 4.8

Mathematics
1 answer:
padilas [110]3 years ago
4 0

Answer:

-5.5

Step-by-step explanation:

1. -3.1 + (-7.2) + 4.8

remove parentheses

add/subtract the numbers.

-3.1-7.2+4.8 = -5.5

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the pizza slice served at O'Connor's pizza place are 1/4 of a whole pizza. There are three pizzas ready to be served. 14 childre
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Answer:

255.7 cm²

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Read 2 more answers
GRAVITY The height above the ground of a ball thrown up with a velocity of 96 feet per second from a height of 6 feet is 6+96t-1
Nata [24]
Here the time function is h(t) = [6 + 96t - 16t^2] feet.

The initial height of the ball is 6 feet.  That's when t=0.  h(0)=[6+0-0] ft = 6 ft.

At t=7 sec, h(t) = [6 + 96t - 16t^2] feet becomes
       h(7 sec) = h(t) = [6 + 96(7) - 16(7)^2] feet       This produces a large negative number (-106 ft), which in theory indicates that the ball has fallen to earth and burrowed 106 feet into the soil.  Doesn't make sense.

Instead, let t=1 sec.    Then h(1 sec) = h(t) = [6 + 96(1) - 16(1)^2] feet
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One sec after the ball is thrown upward, it reaches a height of 86 feet.  It continues to rise, slowing down, until it finally stops for an instant and then begins to fall towards earth.

6 0
4 years ago
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