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Paladinen [302]
2 years ago
13

A culture started with 2,000 bacteria. After 8

Mathematics
1 answer:
bonufazy [111]2 years ago
6 0

After 19 hours, 3,084 bacteria will be present.

<h3>What is Exponential function?</h3>

An exponential function is a type of function in math that involves exponents. A basic exponential function is of the form f(x) = bˣ, where b > 0 and b ≠ 1.

Here, given equation;

          P = Ae^{kt}

This is a geometric sequence but you don't know the growth factor, so you would solve for it first.

2400= 2000(x)⁸

1.2= x⁸

x= 1.02305188

You can round depending on what your teacher prefers.

Now you can plug in your growth factor and solve.

A(19)= 2000 X (1.02305188)¹⁹

A(19)= 2000 X 1.54189747739

A(19)= 3083.79495477

Thus, after 19 hours, 3,084 bacteria will be present.

Learn more about Exponential function from:

brainly.com/question/12161027

#SPJ1

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The scale factor shows 1 cm = 4 inches.

Multiply the height of the birdhouse shown in cm by 4 inches:

5 cm x 4 inches per cm = 20 inches high

5 0
3 years ago
You are using division to determine how much wheat flour to use in a bread recipe. Is an estimated answer good enough?
alekssr [168]

Answer:

Yes. It's bread. Of course it is.

4 0
3 years ago
I’ll give brainliest who ever has the right answer
Leni [432]

Answer:

32m

Step-by-step explanation:

because we know that 3cm = 4 m, we can replace the top length with 4m, we also know that 6cm must equal 8m because of 3cm ×2 = 6cm so 4m ×2 = 8m. now we know 2of the sides so the area is just 4m ×8m because area = length times width. 4m × 8m = 32m

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3 years ago
Y= - x+2 Y=3x-4<br> Estimate the solution to the system of equations
IrinaVladis [17]

Answer:

x=\frac{3}{2}\\ y=\frac{1}{2}

Step-by-step explanation:

y=-x+2\\y=3x-4

Let's solve one of them for x.

y=3x-4

Add 4

y+4=3x

Divide by 3.

x=\frac{y+4}{3}

Now, plug the value of y in the formula, or you can plug the value of x in the other equation. I'll take this one.

x=\frac{y+4}{3}

x=\frac{(-x+2)+4}{3}

x=\frac{-x+2+4}{3}

x=\frac{-x+6}{3}

Multiply by 3 to get rid of the denominator.

3x=-x+6

add x

3x+x=6

Combine like terms;

4x=6

Divide by 4.

x=\frac{6}{4}

Simplify.

x=\frac{3}{2}

Now that you found the value of x, replace it in any of the equations to find y.

y=-x+2\\y=-(\frac{3}{2})+2\\ y=-\frac{3}{2}+2

y=\frac{-3+2*2}{2} \\y=\frac{-3+4}{2} \\y=\frac{1}{2}

Proof:

y=3x-4\\\frac{1}{2}=3(\frac{3}{2})-4\\\frac{1}{2}=(\frac{9}{2})-4

\frac{1}{2}=\frac{9-4*2}{2}

\frac{1}{2}=\frac{9-8}{2}

\frac{1}{2}=\frac{1}{2}

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4 years ago
3(-21)/7-12/6 need the answer
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Is the slash supposed to be a fraction if it the answer is -443
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