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mariarad [96]
3 years ago
15

How do I find f(-87) if

Mathematics
2 answers:
lukranit [14]3 years ago
8 0
Uhhh no
Clue honestly
natima [27]3 years ago
3 0

Answer:

O.o

Step-by-step explanation:

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What speed must you toss a ball straight up so that it takes 4 s to return to you? Show your work.
vekshin1
1) Type of  motion: constant acceleration.
 
2) acceleration, a = 9.8 m/s^2

3) time up = time down = 4seconds / 2 = 2 seconds

4) formula = Vf = Vo - a*t^2/2

Vf = 0 => Vo = a*t^2 / 2 = 9.8m/s^2 * (2 s)^2 / 2 = 19.6 m/s

Answer: 19.6 m/s
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3 years ago
Tilly the dog barks every 9 seconds.
Leya [2.2K]
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There are 3 red balls, 5 green balls, and 1 yellow ball in a hat. If you draw the yellow ball, you gain $10. If you draw any of
shepuryov [24]

Answer:

19.44

Step-by-step explanation:

We have the following information:

3 red balls, 5 green balls, and 1 yellow ball

In total there are 3 + 5 + 1 = 9 balls.

We calculate the probability of each:

Network: 3/9

Green: 5/9

Yellow: 1/9

Each one corresponds a price in profit or losses:

Network: 4

Green: -3

Yellow: 10

So in total it would be the sum of the multiplication of the probability and the price and then multiply everything by 25:

(4 * 3/9 + -3 * 5/9 + 10 * 1/9) * 25 = (0.777) * 25

= 19.44

6 0
3 years ago
-2(3x + 1) > - 6x + 7
svp [43]

Answer:

I am pretty sure this statement is false so it'd be: x= 0

Step-by-step explanation:

8 0
3 years ago
Lucy received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.44 per pound. After buying the
MrRissso [65]

Answer:

$5.00 per pound

Step-by-step explanation:

70- 32.80= 37.20

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5=p

8 0
3 years ago
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