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2 years ago

Help! find x plez need help rn

Mathematics

1 answer:

jarptica [38.1K]2 years ago

5 0

Answer:

The answer of ur questions is may be its not final

=x=24

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A population of insects increases at the rate of 200 10t 13t2 what is the change in the population of insects between day 0 and

RUDIKE [14]

Answer:

762 days

Step-by-step explanation:

Given

$Rate = 200 + 10t + 13t^2$

Let the rate be R.

So the rate change with time is represented as:

$\frac{dR}{dt} = 200 +10t + 13t^2$

So:

$dR = (200 + 10t + 13t^2)\ dt$

To get the number of insects between day 0 and day 3, we need to integrate dR and set the bounds to 0 and 3

i.e.

$dR = (200 + 10t + 13t^2)\ dt$ becomes

$\int\limits^3_0 {dR} \, =\int\limits^3_0 (200 + 10t + 13t^2)\ dt$

$R =\int\limits^3_0 (200 + 10t + 13t^2)\ dt$

Integrate

$R = 200t + \frac{10t^2}{2} + \frac{13t^3}{3} [3,0]$

Solve for R by substituting 0 and 3 for t

$R = (200*3 + \frac{10*3^2}{2} + \frac{13*3^3}{3}) - ( 200*0 + \frac{10*0^2}{2} + \frac{13*0^3}{3})$

$R = (200*3 + \frac{10*9}{2} + \frac{13*27}{3}) - (0 + \frac{10}{2} + \frac{0}{3})$

$R = (200*3 + 5*9 + 13*9) - (0)$

$R = 600 + 45 + 117 - 0$

$R =762$

The population of insect between the required interval is 762

4 0

3 years ago

Which is greater - 0.5 or 9/18?

den301095 [7]

Answer:

they're equal

Step-by-step explanation:

5 0

2 years ago

Y=-2x-3,y=-2x+2 how many solutions does the system have

denis23 [38]

Answer:

3x + 3 = -2x + 3

3x + 2x = 3 - 3

5x = 0

x =0.

So y = 3(0) + 3 = 3.

Step-by-step explanation:

7 0

3 years ago

What is the missing fifth term in the pattern below? 1,8, 27, 64, ___

mixer [17]

Answer:

the pattern is going in the form of 1³ , 2³ , 3³ , 4³

therefore next term should be 5³ which is equal to 125. So the missing term is 125 

I hope you got that.

By : Modern Einstein

8 0

2 years ago

Solve for x. x3 = 216

vampirchik [111]

I'm assuming the equation is x^3 = 216 or $x^3 = 216$ (both mean the same thing)

If so, then the solution to x^3 = 216 is x = 6

We can find this by taking the cube root of both sides
x^3 = 216
x = 216^(1/3) .... 1/3 power means cube root
x = 6

Checking the answer:
x^3 = 216
6^3 = 216
6*6*6 = 216
216 = 216
Answer is confirmed

So once again the answer is x = 6. This is assuming the initial assumption made at the top of the problem holds up.

7 0

3 years ago

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