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dezoksy [38]
3 years ago
9

The velocity of a skydiver t seconds after jumping is given by V(t)= 80(1-e^-.2t). After how many seconds is the velocity 120 ft

/sec?

Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0

Answer:

∞

Step-by-step explanation:

The equation describes a velocity curve that has an asymptote of 80 ft/s. The skydiver will <em>never</em> have a velocity of 120 ft/s.

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Solve for m.t=mr^2/3
spin [16.1K]

t = mr^2/3

Divide both sides by r^2/3

m = t / r^2/3

6 0
2 years ago
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Workers in an office of 60 staff were asked their favourite type of take-away.
nikdorinn [45]

Answer:

a = 84°

b = 36°

c = 24°

d = 84°

e = 132°

Step-by-step explanation:

The parameters of the workers in the office are;

The number of staffs in the office = 60 staffs

The take-aways are pizza, curry, fish & chips, kebab and other

The frequency for the above take-aways = 14, 6, 4, 14, and 22 respectively

The variables for the angles representing the above take-aways on the pie chart = 'a', 'b', 'c', 'd', and 'e'; respectively

In order to find the size of the angles that represent each group of workers in the pie chart, we find the ratio of the group size to the total number of workers and we multiply the result by 360° as follows;

∠a = 360° × 14/60 = 84°

∠b = 360° × 6/60 = 36°

∠c = 360° × 4/60 = 24°

∠d = 360° × 14/60 = 84°

∠e = 360° × 22/60 = 132°

5 0
2 years ago
Simplify the expression by combining like terms<br>14g-6-13g-7​
frozen [14]

Answer:

g-13

Step-by-step explanation:

subtract 14g from 13 making it g and add 6+7

Hope this helps :P

7 0
3 years ago
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Please no links or files
Nana76 [90]

Answer:

A

Step-by-step explanation:

2.25 > 1 5/6 > 1/2 > -1.5 > -3 1/4

6 0
2 years ago
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Hi plz help, if you can ill mark you 5 starz! :)
Papessa [141]

Answer:

Part A = A

Part B - 308

5 0
2 years ago
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