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Valentin [98]
3 years ago
15

A recent census listed the population of a city as 831,982. Marisol rounds the population to 830,000, and Lindy rounds the popul

ation to 800,000. Who rounded the population correctly? Explain , and which rounded pop is a more accurate estimate?
Mathematics
1 answer:
Savatey [412]3 years ago
3 0
The census because it is rounded to the nearest thousandth which is a smaller range of numbers compared to the nearest one-hundred thousandth
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Alik [6]

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3 years ago
At 2:00 PM a car's speedometer reads 30 mi/h. At 2:20 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:20 the acce
storchak [24]

Answer:

The correct answer will be "60 min/hour".

Step-by-step explanation:

At time 2:00 PM

A car reads = 30 mi/h

At time 2:20 PM

A car reads = 50 mi/h

Now,

At time 2:00 PM

t = 0

At time 2:20 PM

t = \frac{1}{3}

v(0)=30

v(\frac{1}{3})=50

For MVT,

v'(c)=\frac{v(\frac{1}{3} -v(0))}{(\frac{1}{3} )}

       =\frac{20}{\frac{1}{3} }

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5 0
3 years ago
Steve travels 5 times as fast as Kevin. Traveling in opposite directions, they are 390 miles apart after 5 hours. Find their rat
Kaylis [27]

Answer:

steve=65 mph

kevin=13 mph

Step-by-step explanation:

steve=s

kevin=k

s=5

k=1

1=5=6

390 divided by 6 equals s 65

divide further by 5 which equals k 13

3 0
3 years ago
Two angles are supplementary. The measure of one angle is 4 times the measure of the other angle. What is the measure of the sma
Alexus [3.1K]
ANSWER

The smaller angle is

y = 36 \degree



.EXPLANATION

Let the angles be
x \:  and \:  \: y

where y is the smaller angle.
Since they are supplementary, they will add up to 180°.


This implies that,

x + y = 180 \degree...(1)


If one angle is 4 times the other, we can then write the following equation,

x = 4y...(2)


We put equation (2) into equation (1) to get,



4y + y = 180 \degree


5y = 180 \degree


We divide through by 5 to obtain,

y = 36 \degree


This implies that,

x = 4(36)


x = 144 \degree
3 0
3 years ago
Explain how to write 5/3 as a product of a whoke number and a unit fraction​
KIM [24]

Answer:

1 \frac{2}{3\\}

Step-by-step explanation:

5/3 = 3/3 * 2/3

3/3 = 1

So the answer is 1 \frac{2}{3\\}

5 0
3 years ago
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