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3 years ago

Is an estimate for the percent of a number always,sometimes or never greater than actual percent of the number

1 answer:

3 0

It would be sometimes because it can be 82.2% but if you round it the closest one would be 80% if it was 84.7% its closer to 85 so it would be 85% I hope I helped you out rate the answer if I got it right thanks!

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Heellppppp anyone know ow to slove this??

jekas [21]

Answer:

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2 years ago

Nina and Jo both ran a 9 km race.

Wittaler [7]

9514 1404 393

Answer:

7.83 km/h

Step-by-step explanation:

At her constant pace, Nina's time for 6 km will be found by the proportion ...

(time for 6 km)/(6 km) = (time for 9 km)/(9 km)

time for 6 km = (6 km)/(9 km) × (75 min) = 50 min

Jo's time for the same distance will be 4 minutes less: 50 -4 = 46 min. Jo's speed is ...

speed = distance/time

= (6 km)/(46/60 h) = 360/46 h ≈ 7.83 km/h . . . . Jo's speed

_____

<em>Additional comment</em>

From the 6 km point, the remaining race is half the distance already run, so will take half the time already taken. As we know, Nina will finish in 25 more minutes; Jo will finish in 46/2 = 23 more minutes, 2 minutes ahead of Nina.

7 0

3 years ago

For the function shown below, find f(2): f(x)=2x^4-8x^2+5x-7

Vikentia [17]

Answer:

F(2)=3

Step-by-step explanation:

4 0

3 years ago

A university council wants to determine the need for a new staff room. The council conducted a survey of the staff by randomly s

iogann1982 [59]

Answer:

As the sample size is appropriately large, the margin of error is 0.026

Step-by-step explanation:

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3 years ago

What is the smallest positive integer n such that n! ends in at least 2019 zeros?

Lady_Fox [76]

Answer:

I think there's 502

Step-by-step explanation:

if this is a olunomical question that should be it I believe, because you have to write in standered form then when it equals zero, then factor it

3 0

2 years ago