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yan [13]
2 years ago
10

(5p^2 - 3) + (2p^2 - 3p^3)

Mathematics
1 answer:
jeyben [28]2 years ago
4 0
(5p² - 3) - (2p² - 3p³)
(5p² - 2p²) - 3 + 9p³
3p² - 3 + 9p³
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Neil drives at an average speed of 60 miles/hour to reach his destination 480 miles away. On the way back, he decides to increas
daser333 [38]

Answer:

  480/(x+60) ≤ 7

Step-by-step explanation:

We can use the relations ...

  time = distance/speed

  distance = speed×time

  speed = distance/time

to write the required inequality any of several ways.

Since the problem is posed in terms of time (7 hours) and an increase in speed (x), we can write the time inequality as ...

  480/(60+x) ≤ 7

Multiplying this by the denominator gives us a distance inequality:

  7(60+x) ≥ 480 . . . . . . at his desired speed, Neil will go no less than 480 miles in 7 hours

Or, we can write an inequality for the increase in speed directly:

  480/7 -60 ≤ x . . . . . . x is at least the difference between the speed of 480 miles in 7 hours and the speed of 60 miles per hour

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Any of the above inequalities will give the desired value of x.

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3 years ago
one apartment costs $1000 a month with deposit off $1500. Another apartment costs 1175 a month with a 1200 deposit. how many mon
kkurt [141]
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8 0
3 years ago
Where was the first national bank located?<br><br> i need help
katovenus [111]
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8 0
2 years ago
What is the y intercept of x=14
Sophie [7]

Answer:

Step-by-step explanation:

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How many km are equal to 3,400 m
Archy [21]
1 km = 1000 m

So 

x km = 3,400 m

that means 3.4 km would be equal to 3,400 m

your final answer is

\boxed{\bf{3.4~km}}
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