2 years ago

Find two solutions of y = 2x +5 (Use x= 0 and x=1 to find your solutions) *

Mathematics

1 answer:

trapecia [35]2 years ago

4 0

I believe it the second one :)

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A bacteria colony increases in size at a rate of 4.0581e1.6t bacteria per hour. If the initial population is 36 bacteria, find t

Harrizon [31]

Answer:

1560

Step-by-step explanation:

The rate of Increase of the population (P) of the bacteria is given as:

$\frac{dP}{dt} =4.058e^{1.6t}$

$dP =4.058e^{1.6t}}dt\\Taking\: Integrals\\\int dP =4.058 \int e^{1.6t}dt\\P(t)=\frac{4.058}{1.6} (e^{1.6t} +K)\\P(t)=2.53625 (e^{1.6t} +K)$

Where k is a constant of Integration.

At t=0, P(t)=36

$36=2.53625 (e^{1.6*0} +K)\\36=2.53625 (e^{0} +K)\\36=2.53625 (1 +K)\\36=2.53625 +2.53625K\\K=13.19$

Therefore:

$P(t)=2.53625 (e^{1.6t} +13.19)\\At \: t=4\\P(4)=2.53625 (e^{1.6*4} +13.19)\\=1559.88\\P(4)=1560$

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2 years ago

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MaRussiya [10]

Step-by-step explanation:

I believe this would be A or D

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2 years ago

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navik [9.2K]

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2 years ago

Factor: d2 + 16dm + 64m2

lutik1710 [3]

Answer:

$(d + 8m)^2$

Step-by-step explanation:

$d^2 + 16dm + 64 m^2 = (d + 8m)^2$

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marshall27 [118]

Answer:

Step-by-step explanation:

The 2 lines are equal in length. Therefore:-

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3 years ago