To begin a bacteria study, a petri dish had
2700
bacteria cells. Each hour since, the number of cells has increased by
17%
.

Let
t
be the number of hours since the start of the study. Let
y
be the number of bacteria cells.

Write an exponential function showing the relationship between
y
and
t

Answers

Answer 1

The exponential equation is y = 2700 ( 1 + 0.17 )ⁿ , where n = t , the number of hours since the start of the study

What is exponential growth factor?

The exponential growth or decay formula is given by

x ( t ) = x₀ × ( 1 + r )ⁿ

x ( t ) is the value at time t

x₀ is the initial value at time t = 0.

r is the growth rate when r>0 or decay rate when r<0, in percent

t is the time in discrete intervals and selected time units

Given data ,

Let the exponential equation be represented as y

Now , the number of bacteria cells = y

The number of hours since the start of the study = n = t

The initial number of bacteria = 2,700 cells

The percentage of increase in the cells = 17 %

So , The exponential growth formula is given by

x ( t ) = x₀ × ( 1 + r )ⁿ

Substituting the values in the equation , we get

y = 2700 ( 1 + 0.17 )ⁿ

On simplifying the equation , we get

y = 2700 ( 1.17 )ⁿ

where n = t , the number of hours since the start of the study

Hence , the equation is y = 2700 ( 1.17 )ⁿ

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Related Questions

HELP
_____________________________

Answers

The required trasformation is given as,
(A) Function f translated 4 units down.
(B) Function f translated 3 units left.

What are functions?

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

Here.
Given function

f(x) = ∛[x + 1]

put x = -3 and y = y - 4
f(x) = ∛[x - 3 + 1]  - 4
f(x) = ∛[x - 2]  - 4

Thus, the required trasformation is given as,
(A) Function f translated 4 units down.
(B) Function f translated 2 units left.

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together, teammates Pedro and Ricky got 2665 base hits last season. Pedro had 275 more hits than Ricky. How many hits did each player​ have?

Answers

The number of hits by each player are 1195 and 1470 hits, respectively

How to determine the number of hits by each player

Let's call the number of hits that Ricky got "x".

Then, Pedro got x + 275 hits.

The total number of hits for both players is x + (x + 275) = 2665

Solving for x, we get 2x + 275 = 2665

Subtracting 275 from both sides,

We get 2x = 2665 - 275 = 2390

Dividing both sides by 2,

We get x = 2390 / 2 = 1195

So Ricky got 1195 hits and Pedro got 1195 + 275 = 1470 hits.

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Find the value of c. Round to the nearest tenth

Answers

The value of x is 24.2.

What are trigonometric identities?

There are three commonly used trigonometric identities.

Sin x = 1/ cosec x

Cos x = 1/ sec x

Tan x = 1/ cot x or sin x / cos x

Cot x = cos x / sin x

We have,

From the figure,

Base = 22

Hypotenuse = x

Cos Ф = Base / Hypotenuse

Now,

Cos 24 = 22 / x

0.91 = 22/x

x = 22/0.91

x = 24.18

x = 24.2

Thus,

x is 24.2.

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K
Factor out the greatest common factor.
3x³+18x²-12x
3x³ +18x²-12x=(Type your answer in factored form.)

Answers

The greatest common factor is 3x.

What is Greatest Common Factor?

A group of numbers' greatest common factor (GCF) is the biggest factor that all the numbers have in common.

For example, 12, 20, and 24 have two common factors: 2 and 4. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4.

Given:

3x³+18x²-12x

First, factorize each term of Expression

3x³ = 3. x . x . x

18x² = 3 . 3 . 2. x .x

12x =

So, 3x³+18x²-12x

= 3. x . x . x + ( 3 . 3 . 2. x .x ) - (2 . 2. 3 . x)

= 3x ( 3x² + 6x - 4)

Hence, the GCF is 3x.

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Graph the solution set for the system of inequalities and shade the solutions to the system
y≥x²
y≤x + 2

Answers

A graph of the solution to this system of inequalities on a coordinate plane is shown in the image attached below.

How to graph the solution to this system of inequalities?

In order to to graph the solution to the given system of inequalities on a coordinate plane, we would use an online graphing calculator to plot the given system of inequalities and then take note of the point of intersection;

y ≥ x²

y ≤ x + 2

Based on the graph (see attachment), we can logically deduce that the solution to the given system of inequalities is the shaded region and the point of intersection of the lines on the graph representing each, which is given by the ordered pair (2, 4) and ordered pair (-1, 1).

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I'll give you brainliest and extra points if it's right! :)

Answers

Answer:

Answers Below

Step-by-step explanation:

[tex]area = \frac{1}{2} (p \times a)[/tex]

[tex]perimeter = 5s[/tex]

The ratio of the side lengths, yellow to green

We see yellow is 36 and green is 60, so we just put that slash mark in between as indicated in the directions, giving us

36/60. We can reduce this to it's simplistic form of 3/5

The ratio of the perimeters, yellow to green.

To find the perimeter, we multiply the side by 5

Yellow; 36x5= 180

Green; 60x5= 300

We put that ratio slash... 180/300. Reducing it comes out to 90/150 > 30/50 > 3/5 also...

And that's because the polygons are similar.

Since the polygons are similar... what would be the ratio for the areas...

Yep, 3/5

Last is to find the area of the green.

The yellow is 45 and the ratio is 3/5. We can write the equation as a ratio

[tex] \frac{45}{x} = \frac{3}{5} [/tex]

Now if we cross multiply;

[tex](45)(5) = 3x > 3x = 225[/tex]

Last but not least, divide by 3

[tex]x = 75[/tex]

Making the area of the green 75

How many square feet of outdoor carpet will we need for this hole?

Answers

The amount of outdoor carpet that will be needed for the hole in square feet will be = 40ft²

How to calculate the quantity of outdoor carpet needed?

To calculate the quantity of outdoor carpet needed is to subtract the square and the rectangular areas that were not covered from the whole rectangular area that was covered.

The area of the square = length×width = 3×2 = 6ft²

The area of the rectangule = length×width = 1×2 =2ft²

The area of the whole hole = l×w = 4× 12= 48ft²

Therefore, the area of the outdoor carpet that will be needed for the hole in square feet would be;

= 48 - ( 2+6)

= 48 - 8

= 40 ft²

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The owner increases the sale price by the same percent that you found in part a when he buys jackets for ​$45 and sells them. How many jackets must the owner buy for the total jacket sales to be at least ​$250​?

Answers

Answer:

5 jackets

Step-by-step explanation:

Answer:

The owner must buy 6 jackets

Step-by-step explanation:

$45x [tex]\geq[/tex] $250

x [tex]\geq[/tex] 250/45

x  [tex]\geq[/tex] 5.55555.....

There can't be a decimal amount of jackets

Equation of the thine that passes through the point (-6,-8) and is parallel to the line x-2y=6

Answers

The rquired equation of the line is x + 2y = - 10

Slope-intercept form of a line:  

The slope-intercept form of a line is given by

             y = mx + c  

Where m = slope and c = y-intercept  

Note: The slope of two parallel lines will have the same slope

Here we have

The point (-6, -8) and the line x - 2y = 6 --- (1)

Let the equation y = mx + c ---- (2)  is the equation of the line  that passes through (-6, -8) and parallel to x - 2y = 6  

As we know the parallel  lines will have the same slope

=> Slope of line (1) = Slope of line (2)

Here x - 2y = 6

=> 2y = - x + 6

=>  y = -x/2 + 3  which is in the form of y = mx + c

=> Slope of line = - 1/2

Therefore, the Slope of lines (2) = -1/2

=> y = (-1/2)x + c

=> 2y = -x + 2c --- (3)

Given that line passes through (-6, -8)

=> 2(-8) = - (-6) + 2c

=> - 16 = + 6 + 2c

=> 2c = -10

=> c = -5

=>  y = -x/2 + (-5)

=>  y = -x/2 - 5

=> 2y = - x - 10

=> x + 2y = - 10

Therefore,

The required equation of the line is x + 2y = - 10  

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Brainly tutor couldn't solve this, someone please help

Answers

The end behavior of the graphed function is defined by:

as x → ∞, f(x) → 1as x → -∞, f(x) → 1as x → 1, f(x) → ∞

How to identify the end behavior of the function?

To identify the end behavior, we need to look how the function behaves as the independent variable tends to ±∞.

Here we can see that in both ends, the function tends asymptotically to y = 1, then the end behavior is:

as x → ∞, f(x) → 1

as x → -∞, f(x) → 1

And we also can see that when x = 1 the function tends to infinity, then:

as x → 1, f(x) → ∞

These are the 3 correct options.

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Find P(x)=1−2x2−3x3+4x
when x=2

Answers

Answer:

-75

I hope this helps,but I think to answer this question you have to replace the x with 2

Write an equivalent fraction for each given fraction 10/2 please help!!

Answers

The equivalent fraction to 10/2 are 5/1, 20/4, 30/6, 40/8, 50/10 and so on.

How to determine equivalent fraction?

10/2

The equivalent fraction can be determined by division method or multiplication method

Division method:

10/2

divide both numerator and denominator by 2

= 5/1

Multiplication method:

10/2

multiply numerator and denominator by 2

= 20/4

multiply numerator and denominator by 3

= 30/6

multiply numerator and denominator by 4

= 40/8

Therefore, equivalent fractions are fractions which have equal numerator and denominator in its simplest form.

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The Singh family ordered a large pizza with a diameter of 16 inches for dinner. If one of the members of the family ate one eighth of the pizza, how many square inches of pizza are remaining? Use 3.14 for π.

A. 200.96 square inches
B. 175.84 square inches
C. 100.48 square inches
D. 25.12 square inches

Answers

Answer:

B.    175.84 square inches

Step-by-step explanation:

The pizza is shaped like a circle

Area of a circle = π r² where r is the radius

r = d/2 where d = diameter

Here d = 16 in

r = 16/2 = 8

Total area of pizza = π · 8² = 64 π

If 1/8th of the pizza was consumed balance = 1-1/8 = 7/8

7/8 of the total area = 7/8 x 64π = 56π = 175.84 square inches

This is the area of the remaining portion of the pizza

help!!!!!!!!!!!!!!!!!!!!!!!!

Answers

''The planets farthest from the Sun have the coolest surface temperatures" is the accurate statement.

Which statement accurately describes the relationship between the surface temperature of the planets and their distances from the Sun?

The amount of energy received from the Sun decreases with increasing distance, so the planets farthest from the Sun receive the least energy and therefore have the coolest surface temperatures.

This can be seen in our solar system, where the outer planets (Mars, Jupiter, Saturn, Uranus, and Neptune) are colder than the inner planets(Mercury, Venus, and Earth)

Therefore, the statement "The planets farthest from the Sun have the coolest surface temperatures" is accurate.

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6. Calculate the total monthly cost including another
$300 per month for taxes and another $150 per
month for insurance

Answers

Answer:

450 plus whatever other costs there are if there are any

Step-by-step explanation:

300+150=450 so it is 450 plus any other ammount of money you must pay if any

Find the value of c. Round to the nearest tenth

Answers

The value of the x for the given triangle is 30.67.

What are trigonometric functions?

Simply put, trigonometric functions—also referred to as circular functions—are the functions of a triangle's angle. This means that these trig functions provide the relationship between the angles and sides of a triangle. Sine, cosine, tangent, cotangent, secant, and cosecant are the fundamental trigonometric functions.

Given a right triangle,

the base angle is 61° and the length of the base is 17

using tangent to find the value of x

tanФ = perpendicular/base

here base = 17

perpendicular = x

Ф = 61°

tan61 = x/17

x = 17tan61

x = 30.67

Hence the value of x is 30.67.

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Graph the functions f(x) = -6x+2 and g(x) =-2^x^+^2 + 6 whst are the solutions of the equation -6x+2=-2^x^+^2 +6

Answers

The solution of the system of equation -6x + 2 = -2^{x + 2} + 6 is equal to the ordered pair (0, 2).

How to graph the solution to this system of inequalities?

In order to to graph the solution to the given system of equations on a coordinate plane, we would use an online graphing calculator to plot the given system of equations and then take note of the point of intersection;

f(x) = -6x + 2     ......equation 1.

g(x) = -2^{x + 2} + 6     ......equation 2.

Based on the graph (see attachment), we can logically deduce that the solution to the given system of equations is the point of intersection of the lines on the graph representing each of them, which lies in Quadrant I and it is given by the ordered pair (0, 2)

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Lisa is flying from Boston to Denver with a connection in Chicago. The probability her first flight leaves on time is 0.25 . If the flight is on​ time, the probability that her luggage will make the connecting flight is 0.8 ​, but if the flight is​ delayed, the probability that the luggage will make it is only 0.65. Suppose you pick her up at the Denver airport and her luggage is not there. What is the probability that ​her first flight was​ delayed?

Answers

Answer:

The probability is 0.33

Step-by-step explanation:

Please find the attachment for detail

usan and Mark are standing at different places on a beach and watching a bird. The angles of elevation they make are 20º and 50º, respectively.
If Susan and Mark are 7 kilometers apart and the bird is between them, the bird is at a height of
kilometers from the ground.

Answers

Answer:

Based on the angles of elevation and the distance between Susan and Mark, the bird is likely at a height of approximately 1.95 kilometers from the ground. This is based on calculations using the Pythagorean theorem and the law of cosines.

Step-by-step explanation:

if cos theta =3/4 find sec theta

Answers

Answer:

secΘ = [tex]\frac{4}{3}[/tex]

Step-by-step explanation:

using the identity

• secΘ = [tex]\frac{1}{coa0}[/tex] = [tex]\frac{1}{\frac{3}{4} }[/tex] = [tex]\frac{4}{3}[/tex]

La reducción de la ecuación 7a - 9b + 6a - 4b quedaría de la siguiente forma:
23a-31b
13a-13b
13a13b
12a-12b

Answers

La expresión se puede simplificar para obtener:

7a - 9b + 6a - 4b = 13a - 13b

¿Como simplificar la expresion?

Queremos simplificar la siguiente expresión:

7a - 9b + 6a - 4b

Primero, podemos reordenar los terminos así obtenemos:

7a - 9b + 6a - 4b = 7a + 6a - 9b - 4b

Ahora podemos usar a y b como factores comunes, entonces obtendremos:

7a + 6a - 9b - 4b = (7 + 6)a + (-9 - 4)b

                            = 13a - 13b

Esa es la opcion correcta.

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Please use the law of sines to show me how to solve the triangle please. Thank you .

Answers

Answer:

its 47.8 degrees

Step-by-step explanation:

Find the measure of the three missing angles in the parallelogram below.

Answers

The measure of the angles of the parallelogram are: x = 90 degrees, y=   122degress and z=90 degrees

What is a parallelogram?

A parallelogram is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides

Remember that the opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure

This implies that y + 58 = 180

Making y the subject of the relation

y=180-58

y=122⁰

Also, since the other two opposite angles are not given, then it means that x=y = 180/2 = 90

this therefore means that x= 90, y= 122 and z= 90 degrees

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A seamstress used 4 meters of string to make 20 bows. She used _ of a meter for each bow

Answers

Answer:

1/5

Step-by-step explanation:

20/4=5

The reciprocal of 5 = 1/5

a small business owner is applying for a small business loan and has been approved for a $50,000 loan with a 6.15% annual interest. the first loan is a simple interest rate, the second loan compounds interest quarterly, and the third loan compounds interest continuously. the small business owner plans to pay off the loan in three years and 7 months. determine the total value of the loan with simple interest.

Answers

Answer and Explanation:

To calculate the total value of the loan with simple interest, we can use the formula:

Loan amount x (Interest rate x Time in years) = Simple interest

Where,

Loan amount = $50,000

Interest rate = 6.15%

Time in years = 3 years + 7 months / 12 months/year = 3.58 years

So,

Simple interest = $50,000 x (6.15% x 3.58) = $10,439

Therefore, the total value of the loan with simple interest would be $50,000 + $10,439 = $60,439.

What are the coordinates of point B?

50 points not to each im low on points?

Answers

slope

it has 3 on side and i have done this plenty of tjmes to know

what is the median of 11,13,24,28,30,47

Answers

The required median of the given data set 11, 13, 24, 28, 30, and 47 is 24.

What is the median?

When a dataset is ordered, the median is the value that is exactly in the middle. It is a measure of central tendency that distinguishes between the lowest and top 50% of data.

The median of a set of numbers is the middle value when the numbers are arranged in order.

First, we need to arrange the numbers in ascending order:

11, 13, 24, 28, 30, 47

For an even number of values, the median is given as
Median = n  / 2 th terms

Median = 6 / 2 = 3rd term

Median = 24

So, the median of 11, 13, 24, 28, 30, and 47 is 24.

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i need help hurry pls

Answers

The value of w = 16. The number 24 has a place value of two due to the presence of two full sets of tens.

What is meant by value?The value describes the value of each digit in relation to its position in the number. The place value and face value of the digit are multiplied to arrive at the answer. Value equals Place Value minus Face Value.Value is concerned with how much something is worth, whether in monetary terms or in terms of significance. It can mean "identify how much something is worth" like a reward valued at $200 or it can indicate "hold something in high esteem" like "I value our friendship."The occurrence of two complete sets of tens gives the number 24 its place value of two.

Let the be ST = RU = PQ

S T = w,  RU= -3w + 44,  and  PQ = -5w + 68

Then by simplifying the above equation we get,

(w) + (-3w + 44) + (-5w + 68) = 0

w - 3w + 44 - 5w + 68 = 0

Group like terms

w - 3w - 5w + 44 + 68 = 0

Add similar elements: w - 3w - 5w = -7w

-7w + 44 + 68 = 0

Add the numbers: 44 + 68 = 112

-7w + 112 = 0

Move 112 to the right side

-7w = -112

Divide both sides by -7

[tex]$\frac{-7 w}{-7}=\frac{-112}{-7}[/tex]

Then we get,

w = 16

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The value of w in the given trapezoid is 18.4.

What are the properties of trapezium?

The following characteristics apply to a trapezium:

Similar to other quadrilaterals, the trapezium's four angles add up to 360°.

Two of a trapezium's sides are parallel, whereas the other two aren't.

Regular trapezium diagonals are divided by one another.

In a trapezium, the mid-length segment's is equal to half the total length of the parallel bases.

A trapezium created by two parallel sides and one non-parallel side has two pairs of neighbouring angles that add up to 180 degrees.

We know that the length of the mid-segment is equal to half the sum of the parallel bases, in a trapezium.

Thus,

TS +PQ = 1/2 (UR)

w - 5w + 68 = 1/2 (-3w + 44)

2(-4w + 68) = -3w + 44

-8w + 136 = -3w + 44

136 - 44 = -3w + 8w

92 = 5w

w = 18.4

Hence, the value of w in the given trapezoid is 18.4.

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please help

You charged $800 on a credit card and it has an interest rate of 12% APR. You make a payment of $200, how much is your TOTAL BALANCE after one month?

1. $600
2. $672
3. $608
4. $896

Answers

The interest charge after one month can be calculated by multiplying the balance by the monthly interest rate, which is 12% divided by 12 months, or 0.12 / 12 = 0.01. The balance after one month would be:

$800 * (1 + 0.01) = $808

The total balance after one month and after making a $200 payment would be:

$808 - $200 = $608

So, the answer is $608.

The natural numbers are a subset of all of the following sets except the integers numbers whole numbers real numbers irrational numbers​

Answers

Answer: irrational numbers

Step-by-step explanation:

By definition, natural numbers are rational numbers.

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