The table shows that there were 2,000 bacteria at the beginning of the experiment. What was the size of population of bacteria after 1 hour? After 2, 3 and 4 hours?

Answers

Answer 1

Answer:

they will usually double because of the process of mitosis.

Step-by-step explanation:


Related Questions

Help now please help

Answers

Answer:

x = 47

Step-by-step explanation:

So It most likely adds up to 180 degrees so.

x + 10 + x -10 + x - 10 + x + 6 = 180 (collect like terms)

4x -4 = 184 ( add 4 on both sides)

4x = 188 (divide 188 by 4)

x = 47

47 + 10 = 57 ----> x + 10

47 - 10 = 37 -----> x - 10

47 + 6 = 53 ------> x + 6

Answer:

x = 91

Step-by-step explanation:

The sum of interior angles in a rectangle is 360°

x + 10 + x - 10 + x - 10 + x + 6 = 360 add like terms

4x - 4 = 360

4x = 364 divide by 4

x = 91


Which is a rational function?
A. Y=x-5/2
B. y=x^2-x+ 4
c. y=2^x
D. y=x-3/x^2

Answers

Answer:

D

Step-by-step explanation:

rational function is a quotient of two polynomial functions.

Rational function is y=x-3/x², which correct option(C)

What is rational function?

A rational function is defineds as a polynomial divided by a polynomial.

Rational function [tex]y = \frac{x-3}{x^{2} }[/tex]

In above function have numerator is one degree polynomial and denominator second degree polynomial ,

Hence, it is rational function.

learn more about rational function

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Triangle XYZ has coordinates:X (-5,-2)Y (-7,-6)Z(-3,-6). If thetriangle rotates 90° clockwise, what are the coordinates of Y’?

Answers

Answer:

(-6, 7)

Step-by-step explanation:

The lifetime in months of a transistor in a certain application is random with probability density function:


f(x) = {0.4e^-0.4x, x>0 0, x<0


a. Compute the mean lifetime.

b. Compute the standard deviation of the lifetimes.

c. Compute the cumulative distribution function of the lifetime.

d. Compute the probability that the lifetime will be less than 6 months.

e. Compute the 60^th percentile of the lifetime.

Answers

Answer:

Explained below.

Step-by-step explanation:

The probability density function of lifetime in months of a transistor in a certain application is:

[tex]f(x)=0.4\cdot e^{-0.4x};x>0[/tex]

The probability density function suggests that the random variable X follows a exponential function with parameter λ = 0.4.

(a)

Compute the mean lifetime as follows:

[tex]\mu=\frac{1}{\lambda}=\frac{1}{0.40}=2.5[/tex]

Thus, the mean lifetime is 2.5 months.

(b)

Compute the standard deviation of the lifetimes as follows:

[tex]\sigma=\sqrt{\frac{1}{\lambda^{2}}}=\sqrt{\frac{1}{0.40^{2}}}=2.5[/tex]

Thus, the standard deviation of the lifetimes is 2.5 months.

(c)

The cumulative distribution function of the lifetime is:

[tex]CDF=1-e^{-0.40x}[/tex]

(d)

Compute the probability that the lifetime will be less than 6 months as follows:

[tex]P(X<6)=\int\limits^{6}_{0} {0.40\cdot e^{-0.40x}} \, dx[/tex]

               [tex]=0.40\times [\frac{e^{-0.40x}}{-0.40}]^{6}_{0}\\\\=-1\times [e^{-0.40\times6}-e^{-0.40\times0}]\\\\=-0.090718+1\\\\=0.909282\\\\\approx 0.9093[/tex]

Thus, the probability that the lifetime will be less than 6 months is 0.9093.

(e)

Compute the 60th percentile of the lifetime as follows:

[tex]P(X<x)=0.60\\\\\int\limits^{x}_{0} {0.40\cdot e^{-0.40x}} \, dx=0.60\\\\0.40\times [\frac{e^{-0.40x}}{-0.40}]^{x}_{0}=0.60\\\\-1\times [e^{-0.40\times x}-e^{-0.40\times0}]=0.60\\\\1-e^{-0.40x}=0.60\\\\e^{-0.40x}=0.40\\\\-0.40x=\ln(0.40)\\\\-0.40x=-0.916291\\\\x=2.2907275\\\\x\approx 2.3[/tex]

Thus, the 60th percentile of the lifetime is 2.3 months.

HELP ME PLS OMG -LS PLS PLS PLS ASAP ASAP PLS pls ASAP

Answers

I believe that the answer is false, true, true. Because you can’t solve this equation with the Pythagorean theorem, the solution s to the equation are x=4 and x=0, and finally if you wanted to you could subtract 6 from both sides first.

Determine whether each linear expression is a factor of the polynomial.

X^4+x^3-17x^2+15x

A. X+3
B. X+5
C. X-1

Answers

A yes, b and c no. That’s the answer.

6 : 4 is equivalent to

Answers

Answer:

12 : 8, 18 : 12, 24 : 16, 30 : 20

Step-by-step explanation:

These are the four after 6:4. I didn't know which you needed.

Answer:

3:2

Step-by-step explanation:

If you want to simplify 6:4, it also makes an equivalent equation. To simplify this, we divide by the greatest number that both numbers can be evenly divided by. 6 and 4 can both be divided by 2, which is the biggest number we can divide both numbers by.

6/2=3

4/2=2

The ratio is now simplified/equivalent to 3:2.

I hope this helps...have an amazing day c:

I HAVE 2 MORE QUESTIONS, CAN SOMEONE HELP ME??anyonee?

Answers

The second one is d 78 and 82
for the first one the answer is B.)
the second one is C

Write an equivalent expression to the following: 1/2 (-6x + 8) – 7

Answers

Answer:

-3x -3

If this is not the answer you are looking for plz let me know!!!

Answer:

-6x+8=14

Step-by-step explanation:

1/2*(-6x+8)-7 |+7

1/2*(-6x+8)=7 | ÷1/2

-6x+8=14

You mean sth like this?

h(x)=−x−1, find h(6)

Answers

h(x) = -x-1

Then just substitute x =6

Then,

h(6) = (- 6-1)

=> h(6)= -7

what are the solutions of the equation below
(x-2)(x+9)=0

Answers

Answer: {2, -9}

Step-by-step explanation: Think of these two binomials, x -2 and x + 9,

as two numbers that are multiplying together to equal zero.

In order for two numbers to multiply together to equal zero,

either one number or the other number must equal zero.

So for two binomials to multiply together to equal zero,

either one binomial or the other binomial must equal zero.

So we can split this problem up into two parts.

If (x - 2)(x + 9) = 0, then either x - 2 = 0 or x + 9 = 0.

On the left, add 2 to both sides and we have x = 2.

On the right, subtract 9 from both sides and we have x = -9.

For our final answer we use set notation.

So our answer is {2, -9}.

Answer:

2 and -9

Step-by-step explanation:

x-2=0

x=2

x+9=0

x=-9

Opportunity to get Brainliest! I will put various questions and will mark BRAINLIEST!

Answers

Part A. Lines are parrelel means that they never touch.They go in the same direction.

(8.59 × 104) – (3.2 × 103)

Answers

Answer:

563.76

here ya go

Answer:

563.76

Step-by-step explanation:

(8.59 x 104) - (3.2 x 103)

893.36 - 329.6

=563.76

Stephen collected data from a travel website. The data included a hotel's distance from Times Square in
Manhattan and the cost of a room for one weekend night in August. A table containing these data appears below.
0
1
1
3
4
7.
19
Distance From
Times Square
(city blocks) (x)
Cost of a Room
(dollars) (y)
293 263
244
224
185
170
219
153
136
111
Stephen calculated the linear regression equation to be y = -7.8x + 246.3. Using this equation, find the cost of a
room 5 city blocks away from Time Square.
1) $195
2) $207
3) $238
4) $285
What’s the answer?

Answers

Answer:

$207

Step-by-step explanation:

Given the following :

Data:

X : Distance From Times Square (city blocks)

Y: Cost of a Room (dollars) (y)

The linear regression model generated for the data :

y = -7.8x + 246.3

y = predicted variable ; - 7. 8 = slope of model ; x = predictor variable ; 246.3 = intercept

Using the model:

The cost of a Room 5 block away :

x = 5

y = -7.8(5) + 246.3

y = - 39 + 246.3

y = $207.3

You have a sandbox that can only fit no more than 30 cubic feet of sand. At the store, each bag only contains 2.5 cubic feet of sand.

Write and solve an inequality that represents the number of bags b you need to buy.

Answers

Answer:

2.56≥30

b≥12

Step-by-step explanation:

what is the answer for the picture that is linked below?

Answers

Answer:

18%

Step-by-step explanation:

6840:38000*100 =

(6840*100):38000 =

684000:38000 = 18

The Chambers family has a net monthly income of $6,500.

A circle graph titled Chambers Family Budget. Housing is 25 percent, Food is 20 percent, Savings is 7 percent, Transportation is 12 percent, medical is 10 percent, clothing is 18 percent, emergency fund is 8 percent.

If the family decides to reduce its clothing budget by $200 a month, how much will the new clothing budget be? Round to the nearest dollar.
$161
$853
$970
$1,170.

Answers

It’s going to be 970 because 6,500*.18 is 1,170 and then you subtract 200 and it equals 970.

Answer:

B.) $970

Step-by-step explanation:

The person above me is correct and I did the quiz.

how long is 10% of a 24 hour day?

Answers

Answer: 2.4

hope this helps

Step-by-step explanation:

2.4 x 10=24

Answer:

0.1 days

calculated to 2.4 hours is 0.1 days hope this helps can I get brainliest

Step-by-step explanation:

After leaving the runway, a plane's angle of ascent is 17º and its speed is 280 feet per second. How
many minutes will it take for the airplane to climb to a height of 11,000 feet? Round your answer
to two decimal places.

Answers

Answer:

45

Step-by-step explanation:

The median of a set of consecutive odd integers is 138. If the greatest integer in the set is 145, what is the least integer in the set?

Answers

Answer:

131

Step-by-step explanation:

Given that:

Median of a consecutive odd integers = 138

Greatest integer In dataset = 145

Least integer in dataset =

Since the integers are consecutive ;

Number of integers to greatest integer value : Greatest integer - median value = 145 - 138 = 7

Hence, 7 integers before the median value should give us the least integer value ;

138 - 7 = 131

CHECK:

131,132,133,134,135,136,137,138,139,140,141,142,143,144,145

Median = (n+1)/2 th term

Median = (15+1)/2 = 8th term = 138

Highest = 145

Least = 131

Answer:

131

Explanation:

It was in a Mathcounts competition

I need help please and thank you

Answers

Answer:

F=3x+2/2x

Step-by-step explanation:

Which one is false? :D

Answers

The answer should be D or A

Lucia has 18 muffins she splits them evenly among b boxes write an expression that shows how many muffins that are in each box

Answers

Your expression would be 18÷b=

Lemonade was on sale last week ;it cost $12 for every 4 packs of lemonade.How much do 2 packs of lemonade cost

Answers

Answer:

$6

Step-by-step explanation:

Each pack is $3

So therefore if you multiply 2($3) it is $6 for two packs

Have you gotten the answer to this problem yet

-15
-5=
help with this one?

Answers

Answer:

The answer is 3.

Step-by-step explanation:

If you divide a negative by a negative, then it equals a positive, because the two negatives cancel out.

So, -15/-5 = 3.

But, if it were -15/5 = ?

Then it would be -3, because there is only one negative, therefore it cannot cancel out.

Hope this helps! :)

The value of y varies directly with x. When y=30, x=0.75. What is the value of y when x=5.25?

Answers

Answer:

210

Step-by-step explanation:

According to this question, y varies directly with x. Mathematically, This means that:

y =kx

Where k is the constant variable

If y=30 and x=0.75, then k will be;

k = y/x

k = 30/0.75

k = 40

Since k = 40,

y = 40x

Therefore, when x=5.25, the value of y will be:

y = 40x

y = 40 × 5.25

y = 210.

4 ^ 4 x 4 ^ 3 can someone help me I am confused

Answers

Answer:

16384

Step-by-step explanation:

=4^4*4^3

=(4*4*4*4)*(4*4*4)

=4*4*4*4*4*4*4

=4^7

help me please i need help!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: 3 pieces

Step-by-step explanation:

{3x^2-4x-1} - {5-2x+x^2 help

Answers

6²[tex]x[/tex]−10

Step-by-step explanation:

wow-

Juan And his little brother had a pizza divided into eight slices of equal size juan ate 5 slices and his little brother ate the rest what fractional part did each person eat? juan ate 5 of 8 slices or his brother ate of 8 slices pieces or?

Answers

Answer:

Juan ate 5/8 his little brother ate 3/8

Step-by-step explanation:

Answer:

juan = 5/8

brother = 3/8

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