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3 years ago

Here is a list of number 51 38 48 36 39 40 39 47 WHAT is the median

2 answers:

6 0

First need to place in value order:
36 38 39 40 47 48 51

So 40 is the median/middle number

If 39 twice is a typo and there are 8 numbers then average the two middle numbers (the 4th and 5th numbers)

Nikitich [7]3 years ago

5 0

Answer:

Step-by-step explanation:

Median is the Middle number in the sequence.

Hope this Helps!!

:D

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The population of a certain country in 1996 was 286 million people. In addition, the population of the country was growing at a

Fudgin [204]

Answer:

A) In 2004 the population will reach 306 million.

B) In 2033 the population will reach 386 million.

Step-by-step explanation:

Given : The population of a certain country in 1996 was 286 million people. In addition, the population of the country was growing at a rate of 0.8% per year. Assuming that this growth rate continues, the model $P(t) = 286(1.008 )^{t-1996}$ represents the population P (in millions of people) in year t.

To find : According to this model, when will the population of the country reach A. 306 million? B. 386 million?

Solution :

The model represent the population is $P(t) = 286(1.008 )^{t-1996}$

Where, P represents the population in million.

t represents the time.

A) When population P=306 million.

$306 = 286(1.008 )^{t-1996}$

$\frac{306}{286}=(1.008 )^{t-1996}$

$1.0699=(1.008 )^{t-1996}$

Taking log both side,

$\log(1.0699)=\log((1.008 )^{t-1996})$

$\log(1.0699)=(t-1996)\log(1.008)$

$\frac{\log(1.0699)}{\log(1.008)}=(t-1996)$

$8.479=t-1996$

$t=8.479+1996$

$t=2004.47$

$t\approx2004$

Therefore, In 2004 the population will reach 306 million.

B) When population P=386 million.

$386 = 286(1.008 )^{t-1996}$

$\frac{386}{286}=(1.008 )^{t-1996}$

$1.3496=(1.008 )^{t-1996}$

Taking log both side,

$\log(1.3496)=\log((1.008 )^{t-1996})$

$\log(1.3496)=(t-1996)\log(1.008)$

$\frac{\log(1.3496)}{\log(1.008)}=(t-1996)$

$37.625=t-1996$

$t=37.625+1996$

$t=2033.625$

$t\approx2033$

Therefore, In 2033 the population will reach 386 million.

6 0

3 years ago

Can someone help me work out this please

Gnesinka [82]

This answer is 15:) hope this helps

4 0

3 years ago

Given f(x)=2x^3+kx-9 and the remainder when f(x) is divided by x-2 is 23, then what is the value of k?

olchik [2.2K]

Answer:

Step-by-step explanation: k=8

8 0

3 years ago

A student cost for last semester at her community college was $3000. She spent $540 of that on books. What percent of last semes

eduard

Hi there!
We can set up a ratio to model the problem...
540/3000 = x/100
Now, just cross multiply and solve for x.
54000 = 3000x
x = 18
Therefore, 18 percent of last semester's college costs was spent on books. Hope this helped and have a great day!

3 0

3 years ago

Can someone help me pls ? i'll give brainliest !! pls show work.

Shkiper50 [21]

You can download photo math to do that

4 0

4 years ago