In a lab experiment, 3400 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 8 hours. How long would it be, to the nearest tenth of an hour, until there are 13700 bacteria present?

Answers

Answer 1

Answer: 16.1

Step-by-step explanation:


Related Questions

6i-5=-17 what does i equal

Answers

Answer:

-2

Step-by-step explanation:

6i-5=-17

6i=-17+5

6i=-12

i=-12/6

i=-2

Answer:

i = -2

Step-by-step explanation:

To get "i" you need to isolate it. 6i - 5 = -17 -> 6i = -12 -> i = -2

(Brainliest plz?)

Help!! I’ll give u Brainly!

Answers

Answer:

(-4,-2)

Step-by-step explanation:

Point f is on x -4, which is in the first slot and y -2 which is your second slot

Can someone solve this please

Answers

Answer:

35: x=10

36: 9:100

37: 2/3

38: 2 1/42

Step-by-step explanation:

Martha will build a pool in her backyard. She wants the pool to have a rectangular shape
and to be five meters long and three meters wide. What would the area in Martha's backyard that will be lost due to the construction of the pool? There are 3.28084 feet in
one meter.

A 15 square feet
B 80.729 square feet
C 161.459 square feet
D 322.918 square feet

Answers

9514 1404 393

Answer:

  C.  161.459 square feet

Step-by-step explanation:

In feet, the dimensions of the pool are ...

  (5 m)(3.28084 ft/m) = 16.4042 ft

  (3 m)(3.28084 ft/m) = 9.84252 ft

Then the area of the pool is ...

  (16.4042 ft)(9.84252 ft) = 161.458666584 square feet

  about 161.459 square feet

_____

Additional comment

If you consider that a square meter is slightly less than 11 square feet, the pool area can be estimated to be (5 m)(3 m)(11 ft²/m²) = 165 ft². This is close enough to point you to the correct answer choice.

A path 5m wide is to be built along the border and inside a square garden of side 90m. Find the cost of cementing the path at the rate of Rs.10 per meter square.Required to answer. Single choice.​

Answers

Answer:

Total cost of cementing the path = Rs. 17,000.

Step-by-step explanation:

Let the square garden be PQRS

Let the region inside the garden (PQRS) be KLMN.

Given the following data;

Length of sides of PQRS = 90m

Width of path = 5m

Cost = Rs. 10 per m²

Area of PQRS = 90 * 90

Area of PQRS = 8100m²

To find the area of KLMN;

KL = KN = 90 - (5 + 5)

KL = KN = 90 - 10

KL = KN = 80m

Area of KLMN = KL * KN

Substituting into the equation, we have;

Area of KLMN = 80 * 80

Area of KLMN = 6400 m²

Area of path = Area of PQRS - Area of KLMN

Area of path = 8100 - 6400

Area of path = 1700 m²

Total cost of cementing the path = Area of path * Cost

Total cost of cementing the path = 1700 * 10

Total cost of cementing the path = Rs. 17,000

If 21 students write their names on pieces of paper and put them in a hat,
what is the probability that the first student who draws will draw his own
name?

Answers

1/21 i am jus guess thing tho

Answer: 1/21

Step-by-step explanation:

There are 21 total slips of paper.

Only one has the persons name on it.

1/21 is the probability he chooses his name

An area of a wall is 50 in. wide and 35 in. high. Will a mirror with a 62 in. diagonal fit in it? Identify the correct explanation.

Answers

Answer:

yes

Step-by-step explanation:

i used the pythagorean theorem and used 50 and 35 as the legs and the diagonal as the hypotenuse

35² + 50² = c²

c² = 3725

c = [tex]\sqrt{3725}[/tex], which is 61.03

since 61.03 is less than 62" then it should fit in

No, Given Mirror will be not fit in the wall.

Here, we use Pythagoras theorem

Base is 50 inch , Height is 35 inch

Now we have to find hypotenuse

[tex]h^{2} =(50)^{2}+(35)^{2} \\\\h^{2}=2500+1225=3725\\\\h=\sqrt{3725}=61.03[/tex]

Since, Diagonal length of wall is 61.03 inch which is less than mirror diagonal length.

Therefore, mirror is not fit in the wall.

Learn more:

https://brainly.com/question/13391411

I will make brainliest for whoever helps

Answers

Answer:

Take the X as S

Step-by-step explanation:

Hope's this helps

Which of the following linear equations below is equivalent to 10x−5y=−15?
a. y = 3x + 2
b. y = 2x + 3
c. y = 3x - 2
d. y = 2x - 3

Answers

Answers:

B. y = 2x + 3

hope this helps

Is AABC-ADEF? If so, identify the similarity postulate or theorem that applies 30- A​

Answers

Answer:

C. Similar - AA

Step-by-step explanation:

From the diagram given, we know that all 3 angles of ∆ABC are congruent to all corresponding 3 angles of ∆DEF.

If we know just two of the angles of the two triangles given are equal to each other, it is enough information for us to prove that they are similar to each other based on the AA Similarity theorem.

The corresponding three angels of both triangles are equal, therefore, based on AA, they are similar to each other.

Can someone please help me with 13-16 it’s urgent I’m begging

Answers

Answer:

13.

100(256+347)=?

14.

100(64-36)=?

15.

Distributive and associative

example:

5( 2 + 3 ) + 4 =

16.

B

Step-by-step explanation:

An investment will pay $100 at the end of each of the next 3 years, $250 at the end of Year 4, $300 at the end of Year 5, and $600 at the end of Year 6. If other investments of equal risk earn 12% annually, what is its present value? Round your answer to the nearest cent.

Answers

Answer:

Your parents will retire in 18 years. ... You expect to earn 12% annually on the account. ... An investment will pay $100 at the end of each of the next 3 years, $200 at the end of Year 4, ...

Question 8 (1 point) Mrs. Hernandez is making a circular skirt for her daughter's Valentine banquet. She will glue a piece of sequin trim at the edge of the skirt. If the diameter of the circular skirt is 36 inches, what will be the closest measurement needed for the sequin trim in inches? 113 inches 57 Inches 1017 inches 72 inches​

Answers

Answer: 113 inches

Step-by-step explanation:

To solve the question, we have to find the perimeter of a circle since the skirt is circular. This will be:

Perimeter = 2πr

where

π = 3.142

r = diameter/2 = 36/2 = 18

The closest measurement needed for the sequin trim will then be:

= 2πr

= 2 × 3.142 × 18

= 113.112

= 113 inches

A 6 foot man measured his shadow at13 feet 9 inches. Then he measured the

shadow of a flagpole at 125 feet. How tall is the flagpole?(Round to the

nearest tenth)

Answers

Answer:

The flagpole is 54.5 inches tall.

Step-by-step explanation:

We solve this question using proportions, by rule of three.

Each feet has 12 inches. So

A 6 foot man measured his shadow at13 feet 9 inches.

So when the real height is of 6 feet, the shadow is of 13 feet + (9/12) feet = 13.75 feet.

When the shadow is of 125 feet, the height is x. So

6 feet - 13.75 feet

x feet - 125 feet

Applying cross multiplication

[tex]13.75x = 6*125[/tex]

[tex]x = \frac{6*125}{13.75}[/tex]

[tex]x = 54.5[/tex]

The flagpole is 54.5 inches tall.

What does g =???
2/5g = 5

Answers

grams maybe? i’m not very sure

Let T: Rn → Rn be an invertible linear transformation, and let S and U be functions from Rn into Rn such that

S(T(x)) = x and U (T(x)) = x for all x in R^n
Show that
U(v)= S(v) for all v in R^n

Required:
Compute S(v) and U(v).

Answers

Answer:

Follows are the solution to this question:

Step-by-step explanation:

[tex]T: 1 \ R^n \to 1 \ R^n[/tex] is invertible lines transformation

[tex]S[T(x)]=x \ and \ V[T(x)]=x \\\\t'x \ \varepsilon\ 1 R^n\\\\[/tex]

T is invertiable linear transformation means that is  

[tex]T(x) =A x \\\\ where \\\\ A= n \times n \ \ matrix[/tex]

and [tex]\ det(A) \neq 0 \ \ that \ is \ \ A^{-1} \ \ exists[/tex]

Let

[tex]V \varepsilon\ a\ R^{n} \ consider \ \ u= A^{-1} v \varepsilon 1 R^n\\\\T(u)= A(A^{-1} v)=(A \ A^{-1}) \\\\ v= I_{n \times n} \cdot v = v[/tex]

so,  

[tex]s[T(u)]=v[T(u)]\\\\s(v)=v(v) \ \ \forall \ \ v \ \ \varepsilon \ \ 1 R^n[/tex]

The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is nine
times the measure of the first angle. The third angle is 20 more than the second. Let x, y, and z represent the measures of
the first, second, and third angles, respectively. Find the measures of the three angles,
balor

Answers

Divide the measure of all 3 angles into 10 parts...1 part is the measure of angle x, and the other angles add up to the other 9 parts. 180/10=18...so x = 18.
So angle y and z together add up to the other 162 degrees.
Divide 162 in half to find the “middle”...162/2=81.
Since we were told that the difference between y and z is 20...y would be 10 less than that middle number, and z would be 10 more than it...so y=71, and z=91.
The answers are...
X=18, Y =71, Z=91


help Please I’m stuck

Answers

Answer:

b and c

Step-by-step explanation:

Gwen takes out a loan of $400 to pay for an online course. Flat rate interest is charged at 8% p.a

If she repays the loan in 3
months, how much interest does she pay in total?

Answers

We know, 1 year = 12 month.

So, 3 month = 3/12 = 0.25 year.

Now, principle amount, P = $400 .

Rate is, r = 8% = 0.08

Time period, t = 0.25 year.

Now, Interest is given by :

I = P × r × t

I = $( 400 × 0.08 × 0.25 )

I = $8

Therefore, she will pay $8 interest in total.

GUESS AND CHECK
Problem
Lito went to his friend's farm. His friend's farm has pigs, cows and chickens. He asked him how heads many
per animals he has. His friend answered. There are 4 heads with 128 legs in all.


Problem 2:
There are 4 in a group who are all teenagers. The product of their ages is 56, 160.one of them are of the same age.

Pls I need an answer right now..

Answers

Answer:

with 128 legsin in all 56 160 one of them

I need help with this can some one help me

Answers

Answer:

216

Step-by-step explanation:

We know that the two angles must add up to 180

so

108+x/3=180

solve for x

72=x/3

x=216

PLEASE HELP ON #3 ASAP!

Answers

9514 1404 393

Answer:

  1a: x+3 = 5

  1c: 6 = 2z

  2b: x = 2

  2d: 3 = z

  3: the solutions make the hangars balance

Step-by-step explanation:

1. We can write the equations by listing the contents of the hangar and using an equal sign to show the balance between left side and right side. It can work well to put left side contents of the hangar on the left side of the equal sign.

  A: x + 3 = 5

  C: 1 + 1 + 1 + 1 + 1 + 1 = z + z  simplifies to  6 = 2z

__

2. B: We can subtract 3 from both sides of the hangar (and equation) to find the value of x.

  (x +3) -3 = 5 -3

  x = 2 . . . . . hangar balances with 2 on the right

D: We can divide both sides of the hangar by 2, splitting the content into two equal parts. Then one of those parts can be removed from each side.

  2(3) = 2(z)

  3 = z . . . . . . hangar balances with 3 on the left

__

3. The found values will keep the hangar in balance when they are substituted for the corresponding variables.

  A: 2 + 3 = 5

  C: 1 + 1 + 1 + 1 + 1 + 1 = 3 + 3

Help please, I need help understanding this. I'm in Geometry ​

Answers

Answer:

I believe you can set the equations equal to each other and solve for x.

Step-by-step explanation:

reason being is that by definition, a line can be infinite, so in theory, those 2 lines can be equal.

3 Mallie purchases a $12,000 car by taking out a loan. She will pay an 8% sales tax on the price of the car. She has also agreed to pay the loan plus tax back within 36 months at a simple Interest rate of 5%. Find each value listed in the table below, as well as the minimum monthly payment Mallie should make in order to repay the loan within the allotted time. Use the space provided to show your process.

Answers

That is correct
Explanation


What is the range for this set of data?
38 17.55 40
O 2
O38
O39
O72

Answers

Answer:

The original price of the shirt is simply the sum of the purchased price and the discount price, that is:

original price = $17.55 + $5.85

original price = $23.40

The equation that best model this scenario is:

x - 5.85 = 17.55

where x is the original price

Step-by-step explanation:

Ade thinks of a number,he doubles it and then adds 5. The result cannot be less than 100. Find the range of values of x

Answers

Answer:

2x+5 is greater than or = to 100.

2x≥95

x≥95/2

Step-by-step explanation:

2. The total number of fans who went to watch professional tennis games from March to
December can be modeled by the function F(x) = 90x2 + 232x² + 1075x + 3125 and the number of
professional tennis games played from March to December can be modeled by G(x) = 9x + 25
where x is the number of months since March. Which of the following expressions correctly
describes the average number of fans per tennis game?​

Answers

So basically 90x2% of 38 is basically the average number of fans per tennis game

The lengths of wo sides of a right triangle are 5 inches and 8 inches. What is the difference betwen the two
possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

Answers

Answer:

The difference between the 2 possible lengths is 3.2 inches.

Step-by-step explanation:

61. Often it is necessary to rearrange an equation so that one variable is expressed in terms of others. For example, the equation D = 3t expresses D in terms of t. To express t in terms of D, divide both sides of this equation by 3 to obtain D/3 = t.
(a) Solve the equation C = 2πr for r in terms of C.
(b) Solve the equation p = 2w + 2h for w in terms of p and h.
(c) Solve the equation 3x − 2y = 6 for y in terms of x.
Search entries or author

Answers

Answer:

after it is necessary to rearrange and equations for that one variable is expressed in terms de in term of tea to express it in terms of d we need to solve the equation c is equal to fir for our in terms of c solve the equation p is equal to 2 w plus two hours for w in terms of p and h

Answer:

after it is necessary to rearrange and equations for that one variable is expressed in terms de in term of tea to express it in terms of d we need to solve the equation c is equal to fir for our in terms of c solve the equation p is equal to 2 w plus two hours for w in terms of p and h

Tim deposit 4500 in a savings account that pays 4.5% simple interest. How much interest does she earn into years?

Answers

Answer:

ummmm is it meant to ask in 2 years instead of into years? if so

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