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3 years ago

Find the volume of the rectangular prism 3.2m 0.8m 0.6m

Mathematics

1 answer:

Natasha_Volkova [10]3 years ago

7 0

Answer:

12.6

Step-by-step explanation:

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In 2012, the population of a city was 6.27 million. The exponential growth rate was 1.47% per year.

Tcecarenko [31]

Answer:

a) $a(t)= 6.27e^{0.0147*t}$

b) 6.84 million

c) 2028.52

d) 47 years

Step-by-step explanation:

a)Here we know standard exponential growth rate is

$a(t)= ae^{k*t}$

In this put t=0 and a(t)=6.27 million

thus we get a = 6.27 million

now $\frac{da}{dt}=a(t)k$

this is equal to(in 2012)= $\frac{1.47}{100}*=0.0147$

b)Put t = 6

we get

$a(t)= 6.27e^{0.0147*6}$

=6.84 million

c) $8 = 6.27e^{0.0147*t}$

take log both sides

we get 16.52 years

d) $2*6.27=6.27e^{0.0147*t}$

take log both sides we get 47 years to get double the current population.

3 0

3 years ago

Which expression is equivalent to this expression? <br><br> thank you :)

CaHeK987 [17]

Answer:

C. -4x - 1

Step-by-step explanation:

$-\frac{1}{2}(8x+2)$

Distribute the term outside of the parenthesis, Multiply each term in the parenthesis by the term outside (do not forget to include the negative sign when multiplying);

$(-\frac{1}{2}(8x))+(-\frac{1}{2}(2))$

Simplify,

$-4x - 1$

6 0

3 years ago

Dose anyone know this answer?

LiRa [457]

So I can show you on a piece of paper

It’s reflections
Hope this helps *smiles*

3 0

3 years ago

Solve for all values of x by factoring. x^2-5x=-2x

-Dominant- [34]

Answer:

x = 0

x = 3

Step-by-step explanation:

$x^2 - 5x = -2x\\x^2 - 5x + 2x = 0\\x^2 - 3x = 0\\x(x - 3) = 0\\x=0 , x-3=0\\x=0, x=3$

4 0

3 years ago

3/5 + -2/7 in simplest form

Lemur [1.5K]

In the attachment this is how i did it! ~Best of Luck~

5 0

3 years ago