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3 years ago

⚠️ANSWER NEEDED FAST⚠️

Mathematics

2 answers:

Sphinxa [80]3 years ago

7 0

Answer:

y = 15x

Step-by-step explanation:

If take the values of x and y you can see the equation

y=15x

VLD [36.1K]3 years ago

5 0

Answer:

Step-by-step explanation:

There going up times 2

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Which system is equivalent to<br> y=9x2.<br> [x+y=5

Lana71 [14]

Answer:

5-x=9x^2

y=5-x

Step-by-step explanation:

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3 years ago

A bacteria population starts with 400 bacteria and grows at a rate of r(t) = (450.263)e1.12567t bacteria per hour. How many bact

dangina [55]

Answer:

11,713 bacteria

Step-by-step explanation:

Integrating the growth rate function gives us the population of bacteria at any given moment 't', in hours:

$r(t) = (450.263)e^{1.12567t} \\\int\ {r(t)} \, dt =P(t) = \frac{450.263}{1.12567}*e^{1.12567t} +C$

Since at t=0, P(t) = 400, the value of C is:

$P(0) = \frac{450.263}{1.12567}*e^{1.12567*0} +C\\400 = 400*1+C\\C=0$

The number of bacteria after 3 hours is:

$P(3) = 400*e^{1.12567*3}\\P(3) =11,713$

3 0

3 years ago

Will someone please help me?

Helen [10]

Answer:

Viruses are 2 times of the bacteria.

Step-by-step explanation:

Given:

Number of viruses = $2\times 10^9$

Number of bacteria = $1\times 10^9$

We have to found how many times viruses are greater than the bacteria.

To find how many times,we can divide both the numbers to compare its values.

Lets

Numerator = Number of viruses

Denominator = Number of bacteria

Dividing both we have,

⇒ $\frac{2\times 10^9}{1\times 10^9}$

⇒ $2\times 10^(^9^-^9)$ ... $\frac{ab^x}{cb^y}=\frac{ab^x^-^y}{c}$

⇒ $2\times 10^0$ ... $a^0=1$

⇒ $2$

So the viruses are 2 times of the bacteria.

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