the two airplanes are approximately 2114.8 km apart at 7:00 pm.
To determine the distance between the two airplanes at 7:00 pm, we can calculate the distances each plane traveled in four hours and then use the Pythagorean theorem to find the distance between them.
Let's start by calculating the distances traveled by each plane:
Plane flying north:
Speed = 350 km/hr
Time = 7:00 pm - 3:00 pm = 4 hours
Distance = Speed * Time = 350 km/hr * 4 hours = 1400 km
Plane flying east:
Speed = 396 km/hr
Time = 7:00 pm - 3:00 pm = 4 hours
Distance = Speed * Time = 396 km/hr * 4 hours = 1584 km
Now, we can use the Pythagorean theorem to find the distance between the two planes:
Distance between the planes = √(Distance_north² + Distance_east²)
= √(1400² + 1584²)
= √(1960000 + 2509056)
= √(4469056)
= 2114.8 km
Therefore, the two airplanes are approximately 2114.8 km apart at 7:00 pm.
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Shown is the graph of a parabola, y = f(x), with vertex (2,-1). What is te vertex of the parabola y = f(x + 1)?
The vertex of the parabola y = f(x + 1) is (1, -1).
To find the vertex of the parabola given by the equation y = f(x + 1), we need to determine the effect of the transformation on the vertex coordinates.
The vertex form of a parabola is given by y = a(x - h)^2 + k, where (h, k) represents the vertex coordinates.
In the given equation, y = f(x + 1), we can see that the transformation is a horizontal shift of 1 unit to the left. This means that the new vertex will be located 1 unit to the left of the original vertex.
Given that the original vertex is (2, -1), shifting 1 unit to the left would result in a new x-coordinate of 2 - 1 = 1. The y-coordinate remains the same.
Therefore, the vertex of the parabola y = f(x + 1) is (1, -1).
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a consumer agency is testing appliances for a series of articles in their magazine. currently they are working with cooktops and ranges. they have selected 16 of the most commonly used models. using a series of tests, the agency will estimate the lifetime of these models. a histogram of these (estimated) lifetimes is shown below. what is the proportion of these appliances that is estimated to last longer than 15 years? a. more than half b. equal to 4/16
Option (b) is correct, that is less than half of these appliances are expected to have a lifespan of more than 15 years.
Given that,
Appliances are being tested by a consumer organization for a number of stories in their magazine. They are presently focusing on cooktops and ranges. They've chosen 16 of the most popular models. The agency will calculate the longevity of these models using a series of tests. Below is a histogram of these (estimated) lifespan.
We have to find how many of these appliances are expected to have a lifespan of more than 15 years.
We have,
Frequency of these appliances last more than 15 years or 15×12 months=180 months.
from the graph we see that frequency more than 200 months is 4 as and frequency of the class interval 175-200 is 3 .
Even in this class interval all the frequencies are greater than 180 then the total no. of frequency >180 months is 7 which is lass than half of total frequency 16 .
Therefore, Option (b) is correct, that is less than half of these appliances are expected to have a lifespan of more than 15 years.
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6. Simplify.
(142)5 - 1410
A. 14
B.1
O C. 143
OD. 14-3
Ysaac, médico de turno en una clínica local, deja encargado a la enfermera Elisa la dosis de Panadol (mg) para todos los pacientes del hospital. La enfermera le pregunta ¿cuál es la Dosis?, y el médico le responde que la dosis anterior empleada en total para 10 pacientes adultos se encontraba resolviendo la ecuación x2+ 50x – 2400 = 0. Si la dosis actual ha disminuido en 10 miligramos para cada paciente. ¿Cuánto debe ser la dosis para cada paciente adulto actualmente?
Answer:
Each adult patient today taking dose of 13 mg.
Step-by-step explanation:
Given - Ysaac, a doctor on duty at a local clinic, leaves the Panadol dose (mg) to nurse Elisa for all hospital patients. The nurse asks him what is the Dose ?, and the doctor answers that the previous dose used in total for 10 adult patients was solving the equation x2 + 50x - 2400 = 0. If the current dose has decreased by 10 milligrams for each patient.
To find - How much should the dose be for each adult patient today?
Solution -
Given that, the equation is -
x² + 50x - 2400 = 0
⇒x² + 80x - 30x - 2400 = 0
⇒x(x + 80) - 30(x + 80) = 0
⇒(x - 30)(x + 80) = 0
⇒x = 30, -80
But dose can not be negative
So, x = 30
∴ we get
The previous dose is 30 that is given to 10 patients
So,
1 patient is taking 3 mg previous dose
Now,
Given that,
If the current dose has decreased by 10 milligrams for each patient.
So,
The current dose = 3 mg + 10 mg
= 13 mg
⇒The current dose = 13 mg
∴ we get
Each adult patient today taking dose of 13 mg.
what is the answer to 3s=45?
The sum of 3 times a number and 16 is more than 25. Write an inequality and solve it.
Answer:
3x+16 >= 25 (Greater than or equal to) Solved: x>= 3
Step-by-step explanation:
I dont know how to put the line under the > sign so >= means greather than or equal to
Based on the receipt, what is the sales tax rate in sacramento, california? 6.25 percent 8.5 percent 10 percent 10.85 percent
The sales tax rate in Sacramento, California is 8.5%
sales tax can be found using the formula:
sales tax = Tax / Subtotal x 100%
Solving gives:
sales tax = 0.85 / 10 x 100%
sales tax = 8.5%
In conclusion, the sales tax rate is 8.5%.
What is sales tax?A sales tax is a fee that is paid to the government when specified goods and services are sold. Typically, laws permit the vendor to charge the customer the tax at the time of purchase.Use taxes are typically used to describe taxes on goods and services that consumers pay directly to a governing authority. The sale and use tax is frequently exempted for some goods and services, including food, education, and medical. A sales tax is similar to a value-added tax (VAT) that is levied on products and services.To learn more about sales tax with the given link
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GIVING AWAY FREE CREDS!! JUST ANSWER WITH ANYTHING AND GET REWARDED!!
Answer:
1+1=2
Step-by-step explanation:
2=1+1
Jenny has 68 1/2 pages of her book left to read. How many pages will she have left after she reads 26 1/6 pages?
Answer: 42 1/2
Step-by-step explanation:
We subtract 26 1/6 from 68 1/2. We do this by finding the LCM of 6 and 2. That is 6. We multiply 1/2 by 3/3 to get 3/6. Now, we subtract. 68 - 26 is 42, and 3/6 - 1/6 is 2/6. Our answer is 42 2/6. That can be simplified to 42 1/3.
Answer:
42 1/3
Step-by-step explanation:
Subtract 26 1/6 from 68 1/2 by finding the lowest common denominator (6).
Donovan age is two times Sydney's age the sum of their ages is 39 what is Sydney's age
Answer:
13
Step-by-step explanation:
2x+x=39
3x=39
divide both sides by 3 and then you get 13
tell me which 4 letters are correct! A? B? C? D? E? F? if you get them right i will give you brainliest!!
Answer:
It is B, D, E, and F.
Step-by-step explanation:
14 is more than the quotient of five and a number.
What do the y-coordinates on the least-squares regression line represent?
Choose the correct answer below.
O A. The y-coordinates represent the minimum expected value of the response variable for any given value of the explanatory variable.
O B. The y-coordinates represent the values of the explanatory variable.
O C. The y-coordinates represent the mean value of the response variable for any given value of the explanatory variable
O D. The y-coordinates represent the maximum expected value of the response variable for any given value of the explanatory variable.
the amount of all coffee served at a coffee shop is having a normal distribution with a mean of 12 ounces and a standard deviation of 2 ounces. a) what is the approximate mean of the sampling distribution of samples means if many samples of 4 cups of coffee are sampled?
The approximate mean of the sampling distribution of sample means is 12 ounces
To find the mean of the sampling distribution of sample means, we need to use the formula
μM = μ
where μM is the mean of the sampling distribution of sample means, and μ is the population mean.
In this case, the population mean is 12 ounces. Since we are sampling 4 cups of coffee, the sample size is n = 4. The standard deviation of the sampling distribution of sample means can be calculated using the formula
σM = σ/√n
where σ is the population standard deviation.
Substituting the given values, we get:
σM = 2/√4 = 1
Therefore, the approximate mean of the sampling distribution of sample means is
μM = μ = 12 ounces
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Find all the real zeros of the function : h(x) = -2 (x²+16) (x²-9)
CC has the following beginning balances in its stockholders' equity accounts on January 1, 2012: Common Stock, $100,000; Additional Paid-in Capital, $4,100,000; and Retained Earnings, $3,000,000. Net income for the year ended December 31, 2012, is $800,000. Court Casuals has the following transactions affecting stockholders' equity in 2012:
May 18 Issues 25,000 additional shares of $1 par value common stock for $40 per share.
May 31 Repurchases 5,000 shares of treasury stock for $45 per share.
July 1 Declares a cash dividend of $1 per share to all stockholders of record on July 15. Hint: Dividends are not paid on treasury stock.
July 31 Pays the cash dividend declared on July 1.
August 10 Reissues 2,500 shares of treasury stock purchased on May 31 for $48 per share.
Taking into consideration all the entries described above, prepare the statement of stockholders' equity for the year ended December 31, 2012.
Total stockholders’ equity 7,800,000
Statement of stockholders’ equity for CC for the year ended December 31, 2012:Particulars Amount ($)
Common Stock 100,000
Additional Paid-in Capital 4,100,000
Retained Earnings (Opening Balance) 3,000,000
Add: Net Income for the year ended December 31, 2012 800,000
Total retained earnings 3,800,000
Less: Cash Dividend Declared on July 1 and paid on July 31 (200,000)
Retained earnings (Closing balance) 3,600,000
Total stockholders’ equity 7,800,000
Explanation:The given information is as follows:Common Stock on January 1, 2012 = $100,000Additional Paid-in Capital on January 1, 2012 = $4,100,000
Retained Earnings on January 1, 2012 = $3,000,000Net Income for the year ended December 31, 2012 = $800,000Cash Dividend Declared on July 1 and paid on July 31 = $200,000
To prepare the statement of stockholders’ equity for the year ended December 31, 2012, we will begin by preparing the opening balances of each of the equity accounts. We will then add the net income to the retained earnings account.
The closing balance for retained earnings is then computed by subtracting the cash dividend declared and paid from the total retained earnings. Finally, the total stockholders' equity is calculated by adding the balances of all the equity accounts.
Calculations:Opening balance of common stock = $100,000
Opening balance of additional paid-in capital = $4,100,000
Opening balance of retained earnings = $3,000,000
Net Income for the year ended December 31, 2012 = $800,000
Retained earnings (Opening Balance) = $3,000,000
Add: Net Income for the year ended December 31, 2012 = $800,000
Total retained earnings = $3,800,000Less: Cash Dividend Declared on July 1 and paid on July 31 = $200,000Retained earnings (Closing balance) = $3,600,000
Total stockholders’ equity = Common Stock + Additional Paid-in Capital + Retained Earnings (Closing balance) = $100,000 + $4,100,000 + $3,600,000 = $7,800,000
Therefore, the statement of stockholders’ equity for CC for the year ended December 31, 2012, is as follows:Particulars Amount ($)
Common Stock 100,000
Additional Paid-in Capital 4,100,000
Retained Earnings (Opening Balance) 3,000,000
Add: Net Income for the year ended December 31, 2012 800,000
Total retained earnings 3,800,000
Less: Cash Dividend Declared on July 1 and paid on July 31 (200,000)
Retained earnings (Closing balance) 3,600,000
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combine the like terms to simplify the expression −5.55−8.55c+4.35c
50 POINTS FOR THE CORRECT ANSWER!
So
f(2)
f(1)-317-314f(3)
f(2)-314-311f(4)
f(3)-311-38Given the rule "if x is the nth term in Sequence A, x = 3n," can you use deductive reasoning to determine the next number in the pattern?
Answer:
yes; the next number is 3(n+1)
Step-by-step explanation:
Answer:
Yes, 3(n+1)
Step-by-step explanation:
Please listen to your teachers lessons lol.
find the equation of the straight line passing through P -2,1and parallel to the line with equation 2x - 3y=1
Answer:
\(y=\frac{2}{3} x+\frac{7}{3}\)
Step-by-step explanation:
Parallel lines have the same slope. Therefore, the line we're trying to find the equation for and the given line 2x-3y=1 must have the same slope.
1) Find the slope of 2x-3y=1
To do this, rewrite this equation in slope-intercept form: \(y=mx+b\) where \(m\) is the slope and \(b\) is the y-intercept (the value of y when the line crosses the y-axis)
\(2x-3y=1\)
Subtract 2x from both sides
\(2x-3y-2x=1-2x\\-3y=-2x+1\)
Divide both sides by -3 to isolate y
\(\frac{-3y}{-3}=\frac{-2}{-3}x+(\frac{1}{-3} )\\y=\frac{2}{3}x-\frac{1}{3}\)
Now, we can easily identify that \(\frac{2}{3}\) is in the position of m, the slope. Plug this into \(y=mx+b\):
\(y=\frac{2}{3} x+b\)
2) Find the y-intercept
\(y=\frac{2}{3} x+b\)
To find the y-intercept, plug the given point P(-2,1) into the equation and solve for b
\(1=\frac{2}{3} (-2)+b\\1=\frac{-4}{3}+b\)
Add \(\frac{4}{3}\) to both sides of the equation
\(1+\frac{4}{3}= \frac{-4}{3} +b+\frac{4}{3} \\\frac{3}{3} +\frac{4}{3}= b\\\frac{7}{3}\)
Therefore, the y-intercept of the line is \(\frac{7}{3}\). Plug this into our original equation:
\(y=\frac{2}{3} x+b\\y=\frac{2}{3} x+\frac{7}{3}\)
I hope this helps!
Kkhfjrjdjcvhrjrndjcvjvjcjdjdjejdnjf
Answer:
kkjyhtgrfgbhngbfefvrbgvn gbfevgb nbf
Step-by-step explanation:
What is the solution to this equation?
5x+3=2x-6
Answer:
x=-3
Step-by-step explanation:
5x+3=2x-6
-2x (both sides)
3x+3=-6
-3 (both sides)
3x=-9
divided by 3 (both sides)
answer is x=-3
Answer:
x= -3
Step-by-step explanation:
A gazebo is being built near a nature trail. An equation of the line representing the nature trail is y = 13x−4. Each unit in the coordinate plane corresponds to 10 feet. Approximately how far is the gazebo from the nature trail? Round your answer to the nearest foot.
Answer:
126 feets
Step-by-step explanation:
Given that :
Equation of line repressing nature trail :
y = 13x - 4
Distance of gazebo from nature trail :
Each unit in coordinate plane = 10 feets
Hence,
y = 13(10) - 4
y = 130 - 4
y = 126 feets
Someone plz help me
Answer:
16 is the answer hope i helped!
Step-by-step explanation:
Answer:
i think it c
:D
Step-by-step explanation:
Mr. McMillan and Ms. Burke are teaching their classes how to write in cursive. Mr. McMillan has already taught his class 8 letters. The students in Ms. Burke's class, who started the unit later, currently know how to write 12 letters. Mr. McMillan plans to teach his class 4 new letters per week, and Ms. Burke intends to cover 3 new letters per week. Eventually, the students in both classes will know how to write the same number of letters. How long will that take? How many letters will the students know?
The number of weeks by which the students in both classes will know how to write the same number of letters will be 4 weeks.
What is the linear system?A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
Mr. McMillan and Ms. Burke are teaching their classes how to write in cursive.
Mr. McMillan has already taught his class 8 letters.
The students in Ms. Burke's class, who started the unit later, currently know how to write 12 letters.
Mr. McMillan plans to teach his class 4 new letters per week.
Ms. Burke intends to cover 3 new letters per week.
Eventually, the students in both classes will know how to write the same number of letters.
Then the number of weeks by which the students in both classes will know how to write the same number of letters will be
Let x be the number of the weeks and y be the total number of the letters.
Then the equation will be
y = 4x + 8 …1
y = 3x + 12 …2
Then by solving the equations 1 and 2, we have
x = 4 and y = 24
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please help me!! PLEASE HELP ME!! please
b
Step-by-step explanation:
because it is a function
Determine the volume of the tent?
Answer:
6(base) x 3.5(Height) = 21, 21 divided by 2 (x 1/2) = 10.5
10.5(area of triangle) x 7.75(width) = 81.375
Formula of an area of a triangle:
BH x 1/2
Base x Height x 1/2(basically just dividing by 2)
Now the base:
1.5 x 7.75 x 6 = 69.75
Now let's add the two given volumes:
81.375+ 69.75 = 151.125 ft^3 is your answer.
Cos(A) = ?
5/13
13/5
12/13
12/5
Answer: 5/13
Step-by-step explanation:
Cosine is adjacent over hypotenuse.
5/13
Hope this helps!
An explanation on juypter notebook would be
great!!
Create an additional Series called next_month with the return of the market over the following 21 days: \[ \text { Next Month } h_{t}=\frac{P_{t+21}-P_{t}}{P_{t}} \]
One-liner code to create the "next_month" Series in Jupyter Notebook: ```python
next_month = (P.shift(-21) - P) / P
```
Jupyter Notebook is an open-source web application that allows you to create and share documents containing live code, visualizations, and explanatory text. It supports various programming languages, but it is commonly used with Python for data analysis, scientific computing, and machine learning tasks.
Jupyter Notebook provides an interactive environment where you can execute code cells and see the results immediately, which makes it a popular choice among data scientists and researchers.
To get started with Jupyter Notebook, you need to install it on your local machine or use an online service that provides Jupyter Notebook functionality. Once you have it set up, you can create a new notebook or open an existing one.
Now, let's move on to creating the `next_month` Series based on the formula you provided. I assume you have a time series of stock market prices stored in a pandas Series called `market_prices`. To calculate the return over the following 21 days, we can use the formula:
\(\[ \text {Next Month } h_{t}=\frac{P_{t+21}-P_{t}}{P_{t}} \]\)
Here's an example code snippet that demonstrates how you can calculate the `next_month` Series using pandas in a Jupyter Notebook:
```python
import pandas as pd
# Assuming you have a Series of market prices
market_prices = pd.Series([100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200, 205, 210])
# Calculate the return over the following 21 days
next_month = (market_prices.shift(-21) - market_prices) / market_prices
# Display the result
print(next_month)
```
In the code snippet above, we import the pandas library and create a Series called `market_prices` with sample data. The `shift()` function is used to shift the Series forward by 21 days, and then we subtract the original `market_prices` from the shifted Series.
Finally, we divide the difference by the original `market_prices` to get the return as a fraction. The result is stored in the `next_month` Series.
You can execute this code cell in Jupyter Notebook by selecting it and pressing the "Run" button or using the keyboard shortcut (usually Shift + Enter). The output will be displayed below the code cell, showing the values of the `next_month` Series based on the provided formula.
That's it! You now have the `next_month` Series containing the return of the market over the following 21 days. Feel free to modify the code or adapt it to your specific needs.
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what is 7,812 rounded to the nearest ten
what is 7,812 rounded to the nearest thousands
what is 7,812 rounded to the nearest hundred??
(the number is on the picture f.y.i)
I NEED HELP PLEASE A.S.A.P!!!!!!
Ten: 7,810
Hundred: 7,800
Thousand: 8,000
Answer:
1. 7810, 2. 8000, 3. 7800
Step-by-step explanation:
1. 12 is closer to 10 than it is to 20
2. 812 is closer to 1000 (188 away from 1000)than it is to 0(812 away)
3. 812 is close to 800 than 900