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love history [14]

3 years ago

11

the function p(t)=350e^-.2t represents the population of a city, in thousands, t years after 2010. determine the population of t

he city in 2014

1 answer:

mezya [45]3 years ago

4 0

350×e^(0.2×4)
=778.9393249724

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Mark, Bridget and Sushil share £14 in a ratio 2:3:2. How much money does each person get?

icang [17]

Answer:

Mark = 4, Bridget = 6, Sushil = 4

Step-by-step explanation:

You can add up all of the ratios, which is 7, and do 14/7 to find how much each ratio has in terms of money. So if someone had a ratio of 1, they would get a dollar, and since Mark and Sushil has 2, they get 4 dollars. (I'm American Sorry.)

5 0

2 years ago

Which graph shows y=2⌈x⌉−3 ?

Contact [7]

Answer:

b

i hope this helps~!

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3 years ago

Read 2 more answers

X + 9y = 8 x − 4y = –18

loris [4]

Step-by-step explanation:

$x + 9y = - 18 \\ 8x - 4y = - 18 \\ x = - 18 - 9y \\ 8( - 18 - 9y) - 4y = - 18 \\ - 144 - 72y - 4y = - 18 \\ - 76y = 126 \\ y = - 1.66 \\$

$x = - 18 - 9y \\ x = - 18 - 9( - 1.66) \\ x = - 18 + 14.94 \\ x = - 3.06$

5 0

2 years ago

Simplify the ratio 19:114

masha68 [24]

$19:114 = \frac{19}{114}$ ÷ $\frac{19}{19} = \frac{1}{6} = 1:6 \ \textless \ -answer$

8 0

3 years ago

A one-parameter family of solutions of the de p' = p(1 − p) is given below.

tensa zangetsu [6.8K]

Answer:

A solution curve pass through the point (0,4) when $c_{1} = -\frac{4}{3}$ .

There is not a solution curve passing through the point(0,1).

Step-by-step explanation:

We have the following solution:

$P(t) = \frac{c_{1}e^{t}}{1 + c_{1}e^{t}}$

Does any solution curve pass through the point (0, 4)?

We have to see if P = 4 when t = 0.

$P(t) = \frac{c_{1}e^{t}}{1 + c_{1}e^{t}}$

$4 = \frac{c_{1}}{1 + c_{1}}$

$4 + 4c_{1} = c_{1}$

$c_{1} = -\frac{4}{3}$

A solution curve pass through the point (0,4) when $c_{1} = -\frac{4}{3}$ .

Through the point (0, 1)?

Same thing as above

$P(t) = \frac{c_{1}e^{t}}{1 + c_{1}e^{t}}$

$1 = \frac{c_{1}}{1 + c_{1}}$

$1 + c_{1} = c_{1}$

$0c_{1} = 1$

No solution.

So there is not a solution curve passing through the point(0,1).

3 0

3 years ago