Ask question

Ask question

All categories

3 years ago

8

A countries population in 1991 was 231 million in 1999 it was 233

1 answer:

AleksandrR [38]3 years ago

3 0

The answer is:A = 231e^(.0010776*12) = 234 million in 2003
k=(In(233/231))/(8)
<span>k=1.00865/8 <===== you used the ratio of 233/321, not the natural log of the ratio. </span>

<span>233/231 = 1.00865 </span>
<span>ln(233/231) = ln(1.00865) = 0.0086207 </span>
<span>k = 0.0086207/8 = 0.0010776 </span>

You might be interested in

Write the equation for 30 is 75% of what number

Tatiana [17]

Answer:

40. make sure to follow me

7 0

3 years ago

What is the product

djverab [1.8K]

Answer:

The product of given matrix is $AB=\begin{pmatrix}7\\ 4\\ 2\end{pmatrix}$

Step-by-step explanation:

Given : Two matrix

$A=\begin{pmatrix}3&6&1\\ 2&4&0\\ 0&6&2\end{pmatrix}$

and $B=\begin{pmatrix}2\\ \:0\\ \:1\end{pmatrix}$

We have to find the product of given matrix

$AB=\begin{pmatrix}3&6&1\\ 2&4&0\\ 0&6&2\end{pmatrix}\begin{pmatrix}2\\ 0\\ 1\end{pmatrix}$

Multiply the rows of first matrix by the columns of second matrix , we have,

$\begin{pmatrix}3&6&1\end{pmatrix}\begin{pmatrix}2\\ 0\\ 1\end{pmatrix}=3\cdot \:2+6\cdot \:0+1\cdot \:1$

$\begin{pmatrix}2&4&0\end{pmatrix}\begin{pmatrix}2\\ 0\\ 1\end{pmatrix}=2\cdot \:2+4\cdot \:0+0\cdot \:1$

$\begin{pmatrix}0&6&2\end{pmatrix}\begin{pmatrix}2\\ 0\\ 1\end{pmatrix}=0\cdot \:2+6\cdot \:0+2\cdot \:1$

$=\begin{pmatrix}3\cdot \:2+6\cdot \:0+1\cdot \:1\\ 2\cdot \:2+4\cdot \:0+0\cdot \:1\\ 0\cdot \:2+6\cdot \:0+2\cdot \:1\end{pmatrix}$

On , simplifying , we get,

$AB=\begin{pmatrix}7\\ 4\\ 2\end{pmatrix}$

Thus, the product of given matrix is $AB=\begin{pmatrix}7\\ 4\\ 2\end{pmatrix}$

4 0

3 years ago

Read 2 more answers

|1|>-1<br> True or false

zmey [24]

Answer:

all work is pictured and shown

7 0

3 years ago

A certain brand of lemonade costs $3.29 for 59.17 fluid ounces. What is the unit rate?

IrinaVladis [17]

The unit rate is approximately 18 i think. Hope it helps :)

5 0

3 years ago

Read 2 more answers

Instructions: Find the measure of the indicated angle to the<br> nearest degree

Elanso [62]

Answer:

x = 60°

Step-by-step explanation:

let the missing angle be = x

Cos x = 8/16

x = Cos-¹ 0.5

x = 60°

5 0

3 years ago