The distance of a portion of a line can be determined as the coordinates somewhere along the two endpoints given. However this question provides just the distance along a line and that is 8 units. The point I lies somewhere along the line and from point H to I the length is 2 units. That means the distance from I to J is the difference between distance HJ and distance HI, as illustrated below;
The measure of IJ is calculated as shown above
IJ = HJ - HI
IJ = 8 - 2
IJ = 6
Given f(x) =(x)/(5+x) and g(x) =(5x)/(1-x), complete the following. (a) Find f(g(x)) and g(f(x)).
To find f(g(x)), we substitute g(x) in place of x in the function f(x).
f(g(x)) = f(5x/(1-x)) = (5x/(1-x)) / (5 + (5x/(1-x))) = 5x / (1-x+5-5x) = 5x / 6 - 4x/6 = x/6
To find g(f(x)), we substitute f(x) in place of x in the function g(x).
g(f(x)) = g(x/(5+x)) = (5(x/(5+x))) / (1 - (x/(5+x))) = 5x / (5+x-x) = 5x/5 = x
Therefore, f(g(x)) = x/6 and g(f(x)) = x.
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Calculate the are of each figure.
Answer:
186 \(in^{2}\)
Step-by-step explanation:
6*3=18
18*2=36
7+3=10
15*10=150
150+36=186
solve for "r"
m=3x/pir2h
The solution of the expression for r is given by:
\(r = \sqrt{\frac{3x}{2m\pi}}\)
How do we solve the expression for r?To solve the expression for r, we must isolate r, as a function of the other variables.
The expression is modeled by:
\(m = \frac{3x}{\pi r^2h}\)
Then, isolating r:
\(mr^2 = \frac{3x}{2\pi}\)
\(r^2 = \frac{3x}{2m\pi}\)
\(r = \sqrt{\frac{3x}{2m\pi}}\)
Thus, the solution of the expression for r is given by:
\(r = \sqrt{\frac{3x}{2m\pi}}\)
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A large population has a bell-shaped distribution with a mean of 200 and a standard deviation of 40. Which one of the following intervals would contain approximately 95% of the measurements?
a. (160, 240)
b. (140, 260)
c. (120, 280)
d. (200, 320)
The intervals would contain approximately 95% of the measurements will be (120, 280). Then the correct option is C.
What is a normal distribution?The Gaussian Distribution is another name for it. The most significant continuous probability distribution is this one. Because the curve resembles a bell, it is also known as a bell curve.
In numerical documentation, these realities can be communicated as follows, where Pr(X) is the likelihood capability, Χ is a perception from an ordinarily circulated irregular variable, μ (mu) is the mean of the dispersion, and σ (sigma) is its standard deviation:
The interval for 95% will be given as,
Pr(X) = μ ± 2σ
Pr(X) = 200 ± 2(40)
Pr(X) = 200 ± 80
Pr(X) = (200 - 80, 200 + 80)
Pr(X) = (120, 280)
The intervals would contain approximately 95% of the measurements will be (120, 280). Then the correct option is C.
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Oil prices are projected to increase by 100% by next June. A quart of oil currently costs $2.45. What is the projected cost of a gallon of oil next June? Round your answer to the nearest hundredth.
Answer:
4.9
Step-by-step explanation:
100% of 2.45 is 2.45.
We add 2.45 + 2.45 which is 4.9.
Can I get brainliest?
Answer:
19.60
Step-by-step explanation:
Jim makes $8.50 an hour. Each week, 11% of his total pay is deducted for taxes. How many hours does Jim have to work if he wants his take-home pay to be at least $300 per week? Write and solve an inequality for this situation.
15-5+ Five to the second power
Answer:
35 is the answer. I am sure this is right.
Hope this helped! :)
Step-by-step explanation:
Given the relation y = 3x^2 + 1, if the input is 4, what is the output?
13
48
49
145
Answer:
(C) 49
Step-by-step explanation:
y=3.4^2+1
y=3.16+1
y=48+1=49
=>Output is 49.
Answer:
(c) 49
Step-by-step explanation:
I did the quiz and got this answer correct :)
Help me please please dont answer if you don’t know i will also give brainliest
Answer:
$100.75
Step-by-step explanation:
422.05 - 106.30 - 310.00 + 95.00 = 100.75
The HCF of three numbers is 8 and the sum of these numbers is 80. List the possible set of such three numbers.
Let's denote the three numbers A, B, and C.
Given that the highest common factor (HCF) of these three numbers is 8 and their sum is 80, we can consider possible combinations of numbers that satisfy these conditions.
Since the HCF is 8, all three numbers must be divisible by 8. Additionally, the sum of the numbers is 80, so we need to find combinations of three numbers that satisfy both conditions.
Let's list the possible combinations:
(8, 16, 56): In this case, A = 8, B = 16, and C = 56. All three numbers are divisible by 8, and their sum is 8 + 16 + 56 = 80.(16, 8, 56): Here, A = 16, B = 8, and C = 56. Again, all three numbers are divisible by 8, and their sum is 16 + 8 + 56 = 80.(24, 8, 48): In this combination, A = 24, B = 8, and C = 48. All three numbers are divisible by 8, and their sum is 24 + 8 + 48 = 80.(8, 24, 48): Similarly, A = 8, B = 24, and C = 48. All three numbers are divisible by 8, and their sum is 8 + 24 + 48 = 80.These are the four possible sets of three numbers that satisfy the given conditions: (8, 16, 56), (16, 8, 56), (24, 8, 48), and (8, 24, 48).
what is that square root of 107.6
The square root of 107.6 is approximately 10.372
To find the square root of 107.6, we can use a calculator or use the following procedure:
Make an initial estimate:
We know that the square root of 100 is 10, so we can estimate that the square root of 107.6 is slightly more than 10.
Use the formula: We can use the following formula to improve our estimate:
x(n+1) = (x(n) + a/x(n))/2
where x(n) is the nth estimate of the square root of a, and a is the number we want to find the square root of.
Apply the formula: Using the estimate of 10, we get:
x(1) = (10 + 107.6/10)/2 = 10.38
Now we use this new estimate to get a better one:
x(2) = (10.38 + 107.6/10.38)/2 = 10.371
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In Washington, the library is 3 kilometers south of the courthouse and 5 kilometers west of the community swimming pool. If a bird flew directly from the courthouse to the library, then from the library to the swimming pool, and then from the swimming pool back to the courthouse, what would be the total distance flown? If necessary, round to the nearest tenth.
Total distance flown is √34 + 5 + √34 kilometers (rounded to the nearest tenth)
How to find the distance?Let's first visualize the situation. We have three points: courthouse, library, and community swimming pool, arranged in a triangle in Washington.
According to the information given, the library is 3 kilometers south of the courthouse and 5 kilometers west of the community swimming pool.
Now, if a bird flew directly from the courthouse to the library, that would be the hypotenuse of a right triangle with sides measuring 3 kilometers (south) and 5 kilometers (west). We can use the Pythagorean theorem to find the distance of the bird's flight from the courthouse to the library:
Distance from courthouse to library = √(3^2 + 5^2) kilometers
Distance from courthouse to library = √(9 + 25) kilometers
Distance from courthouse to library ≈ √34 kilometers (rounded to the nearest tenth)
Next, the bird flies directly from the library to the swimming pool, which is a straight line distance of 5 kilometers (west) according to the information given.
Finally, the bird flies directly from the swimming pool back to the courthouse, which is the same distance as the earlier flight from courthouse to library, i.e., √34 kilometers.
Therefore, the total distance flown by the bird would be:
Total distance flown = Distance from courthouse to library + Distance from library to swimming pool + Distance from swimming pool to courthouse
Total distance flown ≈ √34 + 5 + √34 kilometers (rounded to the nearest tenth)
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1.Write an equation that models the following verbal statement and show/explain how you know your translation is correct.
Five less than four times a number is equal to three times the number.
2. Alejandra stayed 3 nights in a hotel for a total of $254.91. If each night was the same price, what did Alejandra pay per night? Show your thinking, use units to label your answer!
Answer:
Step-by-step explanation:
4x-5 = 3x
ann is using a recipe that serves 20 people. the recipe requires 1/2 of a cup of sugar. how many cups of sugar does ann beed to serve 70 people with this receipe?
Please I need urgent help
Answer:
1 1/4 cup
Step-by-step explanation:
-b-2>8 solve the inequality
Answer:
b < 10
Step-by-step explanation:
-b - 2 > 8
Add 2 to both sides.
-b > 10
Divide both sides by -1. When dividing by a negative, flip the inequality sign.
b < 10.
If you bought a stock last year for a price of $66, and it has gone down 13.9% since then, how much is the stock worth now, to the nearest cent?
The stock worth now, to the nearest cent, is $58.14.
How to find the current worth of stock?The current worth of stock = initial price of stock+increase in the price of stocks
If you bought stock last year for a price of $66, and it has gone down 13.9% since then,
Let X be the worth of stock;
66 × 100 = (13.5% + 100%) × X
6600 = 113.5X
X = 6600/113.5
X = 58.14458
X = $58.14
Hence, The stock worth now, to the nearest cent is $58.14.
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Given f(x)=x2+2x−8, find f(−2).
Question 2 options:
8
20
-8
-20
Answer:
-8 is the answers for the question
Step-by-step explanation:
please please give me brainlest
Enter the number that belongs in the green box.
Answer:
B. 2
Step-by-step explanation:
Here we need to the find the value in the green box.
Hence, only evaluate the part to the left of the operation sign.
-(-2)28. Carisa is four inches taller than her friend Lily.
Answer:
cool
Step-by-step explanation:
Sara and Laura each have a bag containing 2 blue, 3 red, 4 yellow, and 1 green marble. Sara replaces marbles after each draw. Laura does not replace marbles after each draw. Find the probability of Laura drawing a red and then another red marble.
A.
5/19
B.
9/100
C.
3/10
D.
1/15
Ben borrowed $10,000 from the bank. The rate is 12% and he will pay it back in 12 months. How much does he owe the bank?
Answer:
Step-by-step explanation:
Assuming that the interest is compounded monthly, Ben's total amount owed to the bank after 12 months can be calculated using the following formula:
A = P*(1+r/n)^(n*t)
Where:
P = principal amount borrowed = $10,000
r = annual interest rate as a decimal = 0.12
n = number of times the interest is compounded per year = 12 (monthly)
t = time period for which the interest is applied in years = 1
Plugging in the values, we get:
A = 10,000*(1+0.12/12)^(12*1)
A = $11,268.70
Therefore, Ben owes the bank a total of $11,268.70 after 12 months.
Jill is 11 years younger than Pete. The sum of their ages is 29. What’s the age of Pete.
Answer:
The sum of their ages is 29, which we can express as the equation:
P + (P - 11) = 29
Simplifying the equation:
2P - 11 = 29
Adding 11 to both sides:
2P = 40
Dividing both sides by 2:
P = 20
Therefore, Pete's age, represented by "P," is 20 years old.
can u pls help me with this question
Answer:
A
Step-by-step explanation:
Options A, B and C are the same:
2/3 is two-thirds (that how we read the fraction in English) and is 0.66666... (a decimal is sometimes permissible)
But most common and most used is a fraction
So, the answer is A
PLSSSSS HELP ME PLEASE
Answer:
AL
Step-by-step explanation:
AL would be the median because it joins a vertex of a triangle to the midpoint of the opposite side.
A hall is thrown straight up, from 3 m above the ground, with a velocity of 14m/s. When does it hit the ground? Use the vertical motion formula.
In this question, to find the total height first, we must also take into consideration the acceleration due to gravity as well. To find the distance by which acceleration due to gravity pulls the ball down must know the Initial velocity.
In the answer key, it says that gravity changes the ball's height by a distance of -5t^2
Is initial velocity in this question 0 or 14m/s? Because if it is 14, then gravity should change the balls position by -(14+5t^2), not -5t^2, because if I remember correctly, the formula for finding distance is vt(initial velocity)+(1/2)at^2 ,and not just (1/2)at^2
what is the correct answer
The required meaning of the word sped is A special education student.
What is a noun?The noun is defined as any word used to identify any of class of people, places, or things are called noun.
Here,
Sped is a noun word that tends is meaning toward education, which has meaning as special education student. The plural of sped is speds while in british english sped is used as a verb past tense and past participle of speed.
Thus, the required meaning of the word sped is A special education student.
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A school supervisor wants to determine the percentage of students that bring their lunch to school. What method would assure random selection of a sample population?
To assure the random selection of a sample population for determining the percentage of students who bring their lunch to school, a method known as simple random sampling can be employed.
Simple random sampling is a technique that provides each member of the population an equal chance of being selected for the sample. Here's an explanation of how simple random sampling can be implemented in this scenario:
Define the population: The school supervisor needs to clearly define the population of interest, which would be all the students in the school.Assign a unique identifier: Each student should have a unique identifier, such as a student ID number, to differentiate them from one another.Generate a sampling frame: A sampling frame is a list of all the unique identifiers of the students. This could be obtained from the school's records or databases.Determine the sample size: The school supervisor needs to decide on the desired sample size, ensuring it is representative of the population while being practical to manage.Use a random selection method: Employ a random selection method, such as using a random number generator or a random number table, to select the required number of unique identifiers from the sampling frame.Contact selected students: Once the sample has been selected, the chosen students can be contacted to participate in the survey or data collection regarding whether they bring their lunch to school.know more about percentage here:
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6 3/8 - 1 5/8 =
What is the answere?
I'll give brainest if right
For the piecewise function, find the values g(-1), g(2), and g(5). g(x)= x+4, for x≤2 9-x, for x>2
Answer:
g(-1) = 3, g(2) = 6, g(5) = 4
Step-by-step explanation:
Please refer to attached photo. (Apologies for the terrible handwriting.)
From here we can see,
g(x) = x + 4 applies for values x less than or equal to 2.
g(x) = 9 - x applies for values x more than 2 (which does not include 2.)
g(-1):
Since -1 < 2,
g(-1) = -1 + 4 = 3
g(2) = 2 + 4 = 6
g(5):
Since 5 > 2,
g(5) = 9 - 5 = 4
2. what is the correct r code to build a linear regression model with response variable y and explanatory variable x? a. lm(y~x) b. lr(y~x) c. lm(y
The correct r code to build a linear regression model with response variable y and explanatory variable x is option a. lm(y~x).
The code lm(y~x) will create a linear model with y as the response variable and x as the explanatory variable.
The lm() function in r is used for linear regression, and the formula y~x indicates that y is the response variable and x is the explanatory variable. The other options, lr(y~x) and lm(y, are not correct r code for building a linear regression model.
In summary, the correct r code for building a linear regression model with response variable y and explanatory variable x is lm(y~x).
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