3 years ago

What is 479 estimated by 89

Mathematics

1 answer:

Zarrin [17]3 years ago

6 0

Answer:

5.38

Step-by-step explanation:

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A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a di

denpristay [2]

Answer:

Her centripetal acceleration during the turn at each end of the track is $0.432\, \frac{m}{s^{2}}$

Step-by-step explanation:

Total distance covered in one round , D= 400 m

Time taken to cover one round , T = 1 min 40 s = 100 sec

Speed of runner , $V=\frac{D}{T}=\frac{400}{100}\, \frac{m}{s}= 4.0\, \frac{m}{s}$

Now centripetal acceleration is given by

$a_c=\frac{V^{2}}{R}$

where $V= 4.0\frac{m}{s}$

$Radius, R= \frac{Diameter}{2}=\frac{74}{2}m=37\, m$

$\therefore a_c=\frac{4^{2}}{37}\, \frac{m}{s^{2}}=0.432\, \frac{m}{s^{2}}$

Thus her centripetal acceleration during the turn at each end of the track is $0.432\, \frac{m}{s^{2}}$

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4 years ago

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Please help meee! :< An author receives $0.60 for each hardcover book or paperback book that is sold. There were x hardcover

rusak2 [61]

D) 47,000

0.60 (x+38,000)= 51,000
(0.60x)+22,800= 51,000
51,000-22,800= 28,200
28,200÷0.60= 47,000
0.06 (47,000+38,000)= 51,000
28,200+22,800= 51,000

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3 years ago

Min-jun has a swimming pool that needs to be drained. His pool holds

crimeas [40]

You will need to drain 1016.308 gallons an hour

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4 years ago

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Solve for x y=-1/2x=3

ANEK [815]

Answer:

-6

Step-by-step explanation:

x=-6

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3 years ago

can someone explain how I can graph and plot ordered pairs with numbers like (1,75) (2,100) (3,125) (4,125) (5,150)

yaroslaw [1]

You’re going to have to make y increase in increments of 25 or 50 and your x can stay as 1234.

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3 years ago