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3 years ago

Solve for u. u – 23 = 5 U =

Mathematics

1 answer:

VMariaS [17]3 years ago

3 0

Answer:

U= 28

Step by step solution

add 23 to both sides

U-23+23=5+23

hence

U=28

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The fox population in a certain region has a relative growth rate of 4% per year. It is estimated that the population in year 20

den301095 [7]

Answer:

a) $P(t) = 17900e^{0.04t}$

b) The population estimated in 2008 is of 24651.

Step-by-step explanation:

The population growth model may be given by the following exponential function:

$P(t) = P_{0}e^{rt}$

In which P(t) is the population after t years, $P_{0}$ is the initial population and r is the growth rate.

(A.) Find a function that models the population t years after 2000 (t=0 for 2000)

We have that:

$P_{0} = 17900, r = 0.04$ . So

$P(t) = P_{0}e^{rt}$

$P(t) = 17900e^{0.04t}$

(B.) Use the function from part A to estimate the fox population in the year 2008.

2008 is 8 years after 2000. So:

$P(8) = 17900e^{0.04*8} = 24650.5$

The population estimated in 2008 is of 24651.

3 0

3 years ago

For which values of x will the rational expression below be equal to zero? <br><br> (X-1)(x+5)/(x-5)

iogann1982 [59]

Answer:

1 and -5

Step-by-step explanation:

0 divided by anything is 0

the numerator can equal zero if one factor =0

x-1=0

x+5=0

solving, we get x=1 or x=-5

3 0

3 years ago

Read 2 more answers

How do i do this problem 0.25(x+4)-3=28

KiRa [710]

Distribute the .25 to get .25x + 1 - 3 = 28

Then simplify to get .25x - 2 = 28

Move the two to the right to get .25x = 30

Then divide to leave x: 30 / .25 = 120

X = 120

6 0

3 years ago

Read 2 more answers

Pls I need the answer for 3 and 4 and it’s very hard

Elodia [21]

#4 is 47, 48, 49

47+48+49=144

4 0

3 years ago

Duncan earned $22 in interest. If his investment paid 2.5% and he invested his money for 6 months, how much money did he origina

anyanavicka [17]

Answer:

For one month:22*.025=.55

For 6 moths: 6*.55 =3.3

The answer is 3.3 $

6 0

2 years ago