If e^5x = k, where k is any positive number, then what is the value of x?
A. lnk/ln5
B. ln(k/5)
C.1/5*ln k
D. 5 * 1/ln k

Answers

Answer 1

\(e^{5x}=k\implies\ln(e^{5x})=\ln(k)\implies\boxed{x=\ln(k)/5}\)

Hope this helps.


Related Questions

A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of the experiment.
nequals=7
pequals=0.65 xequals=6
(Do not round until the final answer. Then round to four decimal places as needed.)

Answers

The  probability of 6 successes in 7 independent trials with a probability of success 0.65 is 0.3052.

Using the binomial probability formula, the probability of x successes in n independent trials with a probability of success p can be calculated as:

P(x) = (n choose x) * p^x * (1-p)^(n-x)

where "n choose x" represents the number of ways to choose x items from a set of n items, and is calculated as:

(n choose x) = n! / (x! * (n-x)!)

So, for the given parameters nequals=7, pequals=0.65, xequals=6, we have:

P(6) = (7 choose 6) * 0.65^6 * (1-0.65)^(7-6)
     = 7 * 0.65^6 * 0.35^1
     = 0.3052

Therefore, the probability of 6 successes in 7 independent trials with a probability of success 0.65 is 0.3052.

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A random sample of 130 students is chosen from a population of 4,500 students. The mean IQ in the sample is 120, with a standard deviation of 5. Using a margin of error of 1.13%, what is the 99% confidence interval for the students' mean IQ score?

Answers

Answer:

\(120-2.614\frac{5}{\sqrt{130}}=118.85\)    

\(120+2.614\frac{5}{\sqrt{130}}=121.15\)    

Step-by-step explanation:

Information given

\(\bar X= 120\) represent the sample mean

\(\mu\) population mean (variable of interest)

s=5 represent the sample standard deviation

n=130 represent the sample size  

For this case we can't set a margin of error just with a % since they not specify 1.13% respect to something for this case we can omit this value

Confidence interval

The confidence interval for the mean is given by the following formula:

\(\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}\)   (1)

The degrees of freedom are given by:

\(df=n-1=130-1=129\)

The Confidence level is 0.99 or 99%, the significance would be \(\alpha=0.01\) and \(\alpha/2 =0.005\), and the critical value would be \(t_{\alpha/2}=2.614\)

And replacing we got:

\(120-2.614\frac{5}{\sqrt{130}}=118.85\)    

\(120+2.614\frac{5}{\sqrt{130}}=121.15\)    

Which one do you like History or Science? I choose history.

Answers

Answer:

I like science right now but last year i was a huge history buff

Answer:

History cuz i never pay attention but still gets A's

Step-by-step explanation:

Mr. Anderson drove 500 miles in April. He drove 5 times as many miles in April as he did in March. He drove 3 times as many miles in May as he did in March.

How many miles did Mr. Anderson drive in May?

Answers

Miles in may: 7,500
Miles in march: 2,500

How to work it: 500x5= 2,500
2,500x3= 7,500
He drove 7,500 miles in may. He drove 2,500 in March. I found this out by multiplying 500 x 5 to get 2,500 then I multiplied 2,500 by 3 to get 7,500. Hope this helped!

please answer this correctly ​

please answer this correctly

Answers

Answer:

706 out 2201

Step-by-step explanation:

the total number of the passengers in the cabin out of the total number of the passengers that were on board.

I hope this helps you..!

?
123° what is angle

Answers

Answer:

57°

Step-by-step explanation:

180° - 123° = 57°

The expression 35000(0.87)^t describes the value of a car years after it has been purchased. Interpret the coefficients of the expression in the context of this situation.

Answers

Answer: 35,000 · 0.87t

Step-by-step explanation: A coefficient is multiplying

Which describes the Coriolis effect?(1 point)
Responses

the circulation pattern of air near the equator
the circulation pattern of air near the equator

the density of hot and cold air
the density of hot and cold air

the uneven heating patterns between the equator and the poles
the uneven heating patterns between the equator and the poles

the direction of air currents in the Northern and Southern Hemispheres
the direction of air currents in the Northern and Southern Hemispheres

Answers

The option that describes the Coriolis effect is D. the direction of air currents in the Northern and Southern Hemispheres.

What is the Coriolis effect?

The effect of the Earth's rotation on weather patterns and ocean currents is known as the Coriolis effect. Storms swirl clockwise in the Southern Hemisphere and counterclockwise in the Northern Hemisphere due to the Coriolis effect. Circulating air is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere as the Earth rotates on its axis. The Coriolis effect refers to this deflection.

The rotation of the Earth causes the Coriolis effect. Moving objects in the Northern Hemisphere tend to curve to the right of their intended paths; moving objects in the Southern Hemisphere tend to curve to the left of their intended paths. The Coriolis effect causes moving objects to accelerate or decelerate.

Therefore, based on the information given, it should be noted that the correct option is D.

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Question 25 of 25
Find the value of x.

A. 33
B. 23
C. 38
D. 67

Question 25 of 25Find the value of x.A. 33 B. 23C. 38D. 67

Answers

67 sorry if I’m wrong

Answer: 38°

Step-by-step explanation:

just took the test


HELP FOR 10 posits plz

HELP FOR 10 posits plz

Answers

Answer:

2x+7+73=180

2x=100

x=50

and the BDH m =107

Find the percent of increase from 15 miles to 18 miles. Round the percent to the nearest tenth if necessary.

Answers

15/18 = 1.2
That means 120%
Therefore it increased by 20%

Answer: I Think it's 20%

solve the followng eqation for y. 5x-y=4

Answers

Answer:

4

Step-by-step explanation:

Answer:

y=5x−4

Step-by-step explanation:

Step 1: Add -5x to both sides.

Step 2: Divide both sides by -1.

Sandi is mailing a vase that comes in a box with the dimensions 6.5 inches by 6.5 inches by 10 inches. Sandi places the box into a larger shipping box with the dimensions 12 inches by 12 inches by 8.5 inches. Next, she will fill the remaining space in the shipping box with foam packaging material.

Answers

Answer:

801.5

Step-by-step explanation:

(12*12*8.5)-(6.5*6.5*10)

PLEASE HELP!!! WILL MARK BRAINLIST
Savannah buys a bag of cookies that contains 8 chocolate chip cookies, 9 peanut butter cookies, 7 sugar cookies and 6 oatmeal cookies. What is the probability that Savannah randomly selects a sugar cookie from the bag, eats it, then randomly selects a chocolate chip cookie? Express you answer as a reduced fraction.

Answers

total cookies first to find ratio values

8 + 9 + 7 + 6 = 30 total

first ratio is sugar cookie to total

7 / 30 chances

after eating the sugar cookie, the total reduces to 29

second ratio is the new total

8 / 29 chances.

potential bonus??

the odds of this happening in this exact order is both odds multiplied.

so (7/30) × (6/29) = 7 / 145 chances she completes this in the exact order stated.

A family buys 5 airline tickets online. The family buys travel insurance that costs ​$18 per ticket. The total cost is ​$885. Let x represent the price of one ticket. Write an equation for the total cost. Then find the price of one ticket.

Answers

Answer:

One ticket is $153

Step-by-step explanation:

x = The price of a ticket

855=5x+18(5)

855=5x+90

765=5x

153=x

Answer:

x = $159

Step-by-step explanation:

5 tickets are bought, the price of them is unknown?

1 ticket per $18 travel insurance

5 tickets = 18 × 5

insurance per 5 tickets = $90

the equation:

let X represent the number of tickets.

5x + 90 = 885. the total cost of insurance and tickets = 885

we solve the equation.

5x=885 - 90

5x= 795. divide by 5 into both sides.

x= $159. which is the price of one ticket.

Determine the end behavior of f(x) x^3-2x^2-x+2n

Answers

Here, we want to determine the end behavior of the given polynomial

To do this, we need to know the leading coefficient sign and the degree of the polynomial (if even or odd)

As we can see, the leading coefficient is a positive number while the degree of the polynomial is odd

So, we need to evaluate the behavior of a polynomial with a positive leading coefficient and an odd degree

The correct answer here is that;

\(\begin{gathered} As\text{ x }\Rightarrow-\infty\text{ , f(x) }\Rightarrow-\infty \\ \text{and;} \\ as\text{ x}\Rightarrow+\infty\text{ , f(x) }\Rightarrow+\infty \end{gathered}\)

Answer:

B trustttttttt

Step-by-step explanation:

at a certain university in the u.s., all phone numbers are 7-digits long and start with either 824 or 825. 1) how many different phone numbers are possible?

Answers

There are 20,000 different phone numbers possible that is 7-digits long and start with either 824 or 825.

Fundamental Principle of Counting, also called the counting rule, is the method to count how many ways multiple independent events can occur.

Based on the given information, all phone numbers are 7-digits long and starts with either 824 or 825. Hence, the four last digits will be the combination of numbers from 0 to 9.

Thus, by Fundamental Principle of Counting, the number of possible outcomes is 20,000.

= (number of phone numbers starting with 824) + (number of phone numbers starting with 825)

= (10 x 10 x 10 x 10) + (10 x 10 x 10 x 10)

= 20,000

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The graph shown shows the supply and demand for a widget. What mappens if the price is set at $25.00? Include in your answer how retailers will react to a $25.00 price point.

Answers

From the graph, if the price increases to $25

The quantity demand will decrease

Quantity supply increases --------This is the reaction from the retailers

A recipe calls for 4 spoons of sugar for every 40g of flour if 240g of flour is used how much sugar would be needed​

Answers

Answer:

24 spoons of sugar

Step-by-step explanation:

240/40= 6

6x4= 24

which structure is found in the cytoplasm of a typical plant cell?​

Answers

The answer is ribosomes.

Answer:

Lysosomes

Step-by-step explanation:

Which equation has a graph that is parallel to the graph of 2x − y = −1?
A. 2x + y = 8 B. y = −12x + 3 C. y − 1 = 2(x − 3) D. y = −2x − 1

Answers

B because The = is supposed to be next to the first number

The seventh grade wants to break last year’s record of 78 coats collected for the annual clothing drive. They have already collected 13 coats.

Which inequality represents the number of coats, c, that the seventh grade must still collect?

Answers

Answer:

c + 13c ≥ 78c

78c - 13c =

65c

Need help ASAP PLEASEEEEE

Need help ASAP PLEASEEEEE

Answers

Answer:( b )i think

Step-by-step explanation:

Independent random samples taken at two companies provided the following information regarding annual salaries of the employees. The population standard deviations are also given below. Company A Company B Sample Size 72 50 Sample Mean (in $1000) 48 43 Population Standard Deviation (in $1000) 12 10 a. We want to determine whether or not there is a significant difference between the average salaries of the employees at the two companies. Compute the test statistic. b. Compute the p-value; and at a=.05, test the hypotheses. c. Which company, if either, appears to have the higher salary? Provide a 95% confidence interval for the difference between the population mean salary of employees for the two companies.

Answers

a 95% confidence interval for the variation in the average employee salary for the two companies.

a. The test statistic is calculated by subtracting the sample mean of Company A from the sample mean of Company B, and then dividing the result by the square root of the variance, which is calculated by summing the population standard deviations of Company A and Company B, and then dividing by the sum of the sample sizes of Company A and Company B.

Test statistic = (48 - 43) / √(12^2 + 10^2) / (72 + 50) = 0.766

b. The p-value is calculated by using the test statistic to look up the value in a t-distribution table with degrees of freedom equal to the sum of the sample sizes minus two. The p-value is 0.239.

At a=.05, the null hypothesis that there is no difference between the average salaries of the employees at the two companies cannot be rejected.

c. Company A appears to have the higher salary. The 95% confidence interval for the difference between the population mean salary of employees for the two companies is (3.073, 5.927).

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Colin is training for a triathlon and needs to swim a certain distance for today's workout. If he swims at the rec center pool, he will complete a 264-yard warmup and then swim laps in a lane that is 34 yards long. If Colin swims at the indoor pool at his gym, he will complete a 120-yard warmup, plus a main set that consists of 35 yards per lap. If Colin swims the correct number of laps, he can complete the same distance in either pool. How long will Colin's workout be in total? How many laps will that take?

Answers

Answer:

Jason is training for a triathlon and needs to swim a certain distance for ... If he swims at the rec center pool, he will complete a 200-yard warmup and then swim laps in a lane that is 20 yards long. If Jason swims at the indoor pool at his gym, he will complete a ... How long will Jason's workout be in total? 1.

Step-by-step explanation:

What would be the complexity of the size() method for the linked implementation of a list, if there were no count variable?

Answers

If there were no count variable, the complexity of the size() method for the linked implementation of a list would be O(n).

How complicated is the size?

By evaluating the impacts of size rise and decrease, the link between size and complexity is examined. Size increase necessitates an increase in complexity, whereas size drop permits, and occasionally necessitates, a decrease in complexity.

Since the linked list's length cannot be stored in a count variable, we must traverse the list from head to tail to get its size.

To obtain the size for n nodes, we will traverse all n nodes. As a result, the time complexity is O (n).

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manatees are an endangered species of herbivorous, aquatic mammals found primarily in the rivers and estuaries of florida. as part of its conservation efforts, the florida fish and wildlife commission records the cause of death for every recovered manatee carcass in its waters. of the 392 recorded manatee deaths in 2012, 68 were perinatal and 81 were caused by collision with a watercraft.(a) what is the probability that the death of a randomly selected manatee was due to collision with a watercraft? (enter your answer rounded to four decimal places.)

Answers

The probability that the death of a randomly selected manatee was due to collision with a watercraft is 0.2066.

What is probability?

A probability is a number that describes how likely an event is to occur in science. It is stated as a number between 0 and 1, or in percentage form, as a range between 0% and 100%. The probability of an event increasing as its likelihood increases.

As given,

Number of deaths caused by collision with a watercraft is 81.

And total number of deaths recorded manatee deaths in 2012 is 392.

Evaluate the probability due to collision with a watercraft as follows:

P(collision) = Number of deaths caused by collision / Total number of deaths

= 81/392

= 0.2066

Hence, the probability that the death of a randomly selected manatee was due to collision with a watercraft is 0.2066.

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Below is the graph of y=4^x. Translate it to become the graph of y=4^x+3 -1.

Answers

The translation from y = \(4^x\) to y = \(4^x\) + 3 - 1 are:

- Translating vertically 3 units up.

- Translating vertically 1 unit down.

What is translation?

It is the movement of the shape in the left, right, up, and down directions.

The translated shape will have the same shape and shape.

There is a positive value when translated to the right and up.

There is a negative value when translated to the left and down.

We have,

y = \(4^x\) and y = \(4^x\) + 3 - 1

Now,

y = \(4^x\)

Translating vertically 3 units up we get,

y = \(4^x\) + 3

Again,

Translating vertically 1 unit down we get,

y = \(4^x\) + 3 - 1

Thus,

The translation from y = \(4^x\) to y = \(4^x\) + 3 - 1 are:

- Translating vertically 3 units up.

- Translating vertically 1 unit down.

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Describe how the graph of the second function relates to the graph of the first function. y = |x| y = |x| − 3

Answers

Step-by-step explanation:

y=|x| is a vee graph starting at (0,0)

y=|x| - 3 is a vee graph starting (0,-3)

see attachment

Describe how the graph of the second function relates to the graph of the first function. y = |x| y =

mabel owes $374 on her credit card and is about to make a repayment of $155.What will be the new balance on her credit card

Answers

The new credit card balance on her credit card is $219 if no interest is added on balance.

What Is a Credit Card Balance?

The total sum of money owing by a cardholder to their credit card company is known as their credit card balance. Balances fluctuate depending on when and how they are used; they rise when purchases are made and fall when payments are made by cardholders. Any sum that is left over at the end of the billing cycle is added to the bill for the following month and is subject to interest. The balances on a person's credit cards play a significant role in determining their credit score. Future lenders will evaluate them to assess the risk (and price) of extending further credit to their clients.

Given that Mabel owes $374 and make a repayment of $155.

Then the new credit card balance is, if no interest is added on balance

= $374 - $155

= $219

So, The new credit card balance on her credit card is $219

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