The number of bacterial cells, B, in a container after t hours is given by B=25x2t After how many hours will there be 400 bacterial cells in the container?

Answers

Answer 1

Answer:

8 hours

Step-by-step explanation:

We have that;

B = number of bacterial cells, B, in a container after t hours

t = time taken in hours

The function is;

B=25x2t

Where B = 400 bacterial cells

400 = 25x2t

t = 400/25x2

t = 8 hours


Related Questions

2 positive integers have hcf of 12 and their product as 6336 number of pairs possible for the number is​

Answers

Answer:

Here, we are given two positive numbers having HCF as 12 and their product as 6336. ... Hence, we get two pairs of numbers, (12 and 528) and (48 and 132). Therefore, the correct answer is option A.

Andrea bought tacos from a food truck and left a 25% tip of $2.00. What was the price of Andreas tacos, before tip?

Answers

Answer:

$8.00

Step-by-step explanation:

25% = 1/4

2.00 x 4 = 8.00

PLEASE HELP IM TIMED ON THIS!!!!!

After simplifying, what will x be equivalent to?
(a^4)^4=a^x

Answers

X= 16 is the answer for it

One cube has edge length of 3 cm. A larger cube has edge length of 8 cm. What is the ratio of the surface area of the smaller cube to the surface area of the larger cube in the simplest​ form?

Answers

Answer:

54:384

the simplest form is 9:64

hooga hooga. Hooga gooha

Answers

what LDODJDJJ i’m confused but ight

PLEASE HELP ONLY HAVE FOUR MINUTES

Answers

Sorry but I dont think you are gonna get the answer in 4 minutes

PLEASE HELP ME WITH THIS!! ;(

Answers

Answer:

Zoom in and mark me as brainliest

I need help now! Someone

Answers

I’m working on the same thing as well

Answer:

210

Step-by-step explanation:

Hi,

Split this up. Find the area of the rectangle first. To find the area of the rectangle, you need to multiply the L x W

So...

L x W

18 x 10

Area: 180

Now, you need to find the area of the two right triangles. For the first one, to find the area, it's 1/2bh.

So...

We know that 24 - 18 will give us the length of the right triangle. We get...  6 ft.

So...

1/2 (6) (5)

We get 15.

Since both right triangles are the exact same, the other right triangle will also equal 15ft.

Now, add all of the shapes.

15 + 15 + 180 = 210

Your total area is 210.

I hope this helps :)

Solve the following quadratic equation for all values of x in simplest form.
3(4x + 1)2 – 37 = 5

Answers

Answer:

Step-by-step explanation:

Add 37 to both sides (to combine like terms):

3(4x + 1)^2 = 42

Reduce this by dividing both sides by 3:

(4x + 1)^2 = 14

Taking the square root of both sides results in:

4x + 1 = ± √14, or

4x = -1 ± √14

Solve for x by dividing both sides by 4:

       -1 ± √14

x = ----------------

              4

Miguel is posting photos on a school website. He has 48 photos. And he is allowed to use 12 pages.He wants to put the same number of photos,P,on eaxh page

Answers

Answer:

4

Step-by-step explanation:

48/12 to get how many in each page

Which of the following are coefficient

Answers

Answer:

2 and -3

Step-by-step explanation:

because a coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).

so in 2x-3y+5, 2 and -3 are the coefficients.

find the valué of x and y

Answers

Answer:

× = 4.56 and y = 36.56

Step-by-step explanation:

Ayan sagot

Answer:

x=15.56    y=30.05

Step-by-step explanation:

SOH-CAH-TOA (O=opposite, A=adjacent, H=hypotenuse)

Ignore that bottom but help pleaseee

Answers

The answer is 49 because it is

how do you write 15/60 as a percent

Answers

Answer:

25%

Step-by-step explanation:

Answer:

15/60 as a percentage is 25%

Step-by-step explanation:

When we are using percentages, what we are really saying is that the percentage is a fraction of 100. "Percent" means per hundred, and so 50% is the same as saying 50/100 or 5/10 in fraction form. Now we can see that our fraction is 25/100, which means that 15/60 as a percentage is 25%. And there you have it!

anybody know the answer?

Answers

Answer:

Option B

Step-by-step explanation:

As,

It has shown that line c cuts line b by making 90° so those lines are called perpendicular bisectors .

Hence,

Option B is the correct symbol shown for perpendicular bisector of line c to line b.

A church group ordered a total of 22
drinks and burgers. Each drink cost
$2.50, and each burger cost $6.25. If the
group spent a total of $92.50, how many
burgers did the group purchase?


Please help

Answers

Answer:

14.8 or round up to 15 burgers

Step-by-step explanation:

Can someone explain how to do these thx

Answers

Answer:

i have made it in above picture

hope it helps

Grayson ran 2 1/2 miles around the track .each lap is 5/6 of a mile .how many laps did Grayson run?

Answers

Given:

Number of miles covered = [tex]2\dfrac{1}{2}[/tex]

Length of each lap = [tex]\dfrac{5}{6}[/tex] of a mile.

To find:

The number of laps.

Solution:

We know that,

[tex]\text{Number of laps}=\dfrac{\text{Number of miles covered}}{\text{Length of each lap}}[/tex]

[tex]\text{Number of laps}=\dfrac{2\dfrac{1}{2}}{\dfrac{5}{6}}[/tex]

[tex]\text{Number of laps}=\dfrac{\dfrac{5}{2}}{\dfrac{5}{6}}[/tex]

[tex]\text{Number of laps}=\dfrac{5}{2}\times \dfrac{6}{5}[/tex]

[tex]\text{Number of laps}=3[/tex]

Therefore, Grayson ran 3 laps.

Can you pls explain why too

Answers

Answer: C / 100 units^2

Step-by-step explanation:

The equation to calculate the area of a rhombus is

[tex]Area = \frac{ab}{2}[/tex]

In the picture, you are given a & b.

a equals the entire vertical line. So 5 + 5 = 10. 10 is a

b equals the entire horizontal line. So 10 + 10 = 20. 20 is b.

According to the equation you multiply a times b.

[tex]Area = \frac{(10)(20)}{2}[/tex]   10 x 20 = 200

200 divided by 2 equals 100

so the areas = 100

How is the graph of y=1/2(5)^x-3 translated from the graph of y=1/2(5)^x?

Answers

Answer:

the graph is translated to the right by 3

Step-by-step explanation:

1. Choose the appropriate symbol to make the following statment true. 0.586_0.568
a. =
b. >
c.<
d. none​

Answers

Answer:

>

Step-by-step explanation:

h(T)=-16T^2 +12t+10
when does the ball hit the ground

Answers

Answer: The ball will hit the ground in 2 seconds

Step-by-step explanation:

The formula for throwing a baseball in the air is represented by :

h = -16t² + 12t + 40

where h is the height of the ball and t is the time in seconds

Now we need to find after how many seconds will the ball hit the ground

When the ball hits the ground the height of the ball is 0

⇒ -16t² + 12t + 40 = 0

⇒ 4t - 3t - 10 = 0

⇒ 4t² - 8t + 5t - 10 = 0

⇒ 4t(t - 2) + 5(t - 2) = 0

⇒ t cannot be negative so t = 2

Hence, The ball will hit the ground in 2 seconds

Two angles, m • The m ABC is 54°
• The m JKL is (8x)".
What is the value of x?

Answers

Answer: 15.75°

Step-by-step explanation:

Supplementary angles simply refers to the angles that add up to 180°. The angles given in this case are 54° and 8x.

To find the value of x goes thus:

54° + 8x = 180°

8x = 180° - 54°

8x = 126°

x = 126°/8

x = 15.75°

Therefore the value of x is 15.75°

SOMEONE PLEASEEEEE HELPPPPPP

Answers

9514 1404 393

Answer:

  x = 16

Step-by-step explanation:

The angle bisector divides the sides proportionally.

  (x -4)/9 = x/12

  4(x -4) = 3x . . . . . . . multiply by 36

  x = 16 . . . . . . . . . . . . add 16-3x to both sides, simplify

Compare: 2.25 O 2.26

Answers

The last digit in the decimal is bigger the answer is

Answer:

2.26 is bigger than 2.25

Step-by-step explanation:

you can compare it like money

so for example , $2.26 > $2.25 because

in dollars 2.26 dollars is more.

A chainsaw needs a 50:1 gas:oil ratio, how much oil do you need if you add 3 gallons of gas? no links!! links will be reported​

Answers

Answer:

3/50 of a gallon

Step-by-step explanation:

50 / 1 = 3 / x

cross-multiply:

50x = 3

x = 3/50

what is the slope of the graph of y= -5/3x + 3/4

Answers

Answer:

slope = - [tex]\frac{5}{3}[/tex]

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - [tex]\frac{5}{3}[/tex] x + [tex]\frac{3}{4}[/tex] ← is in slope- intercept form

with slope m = - [tex]\frac{5}{3}[/tex]

Please help me with this question, will mark brainliest if correct, PLEASE HURRY, no links or you'll be reported :)

Answers

Answer:

Given

ΔTQR is rightQS is altitudeΔRSQ and ΔTSQ also rightm∠TQS = 42°, RS = 26 cm

∠RQS and ∠TQS are complementary with ∠TQS, so are 48°

a)

∠QRS is the another one with 42°

b)

Find QS first

26/QS = tan 48°QS = 26 / tan 48° = 23.4

Find QT next

QS/QT = cos 42°QT = QS / cos 42° = 23.4 / cos 42° = 31.5 (rounded)

area of right triangle

Answers

base is 4 units
height is 6 units
6 x 4 = 24
24/2 = 12 units

this is right answer

Answers

Answer:

Ooooh ok. Thanks?

Step-by-step explanation:

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