Answer:
y = 8
Step-by-step explanation:
using the tangent ratio in the right triangle and tan45° = 1 , then
tan45° = \(\frac{opposite}{adjacent}\) = \(\frac{y}{8}\) = 1 , then
y = 8
Answer:
8
Step-by-step explanation:
See attached image.
how many frequent flyer program members are reported in newspaper quintile v? remember to report your answer with regards to the (000) format!
The number of frequent flyer program members in newspaper quintile V.
The information related to that specific quintile.
Unfortunately, you didn't provide the required data to calculate the number of frequent flyer program members in newspaper quintile V.
To understand what the given data represents.
Since the question is asking for the number of frequent flyer program members in newspaper quintile V.
The data is provided, I will guide you through a step-by-step process to find the answer and ensure that it is reported in the (000) format, as you requested.
Please provide the relevant data, and I'll be more than happy to help you calculate the answer.
Once the information is given, I will walk you through a step-by-step procedure to identify the solution and make sure it is presented in the (000) format, as you asked, when I have the data.
Comprehend what the provided data means.
Given that the number of frequent flyers programmed members in newspaper quintile V is the subject of the issue.
Information pertinent to that particular percentile.
Unfortunately, you didn't supply the information needed to determine how many people in newspaper quintile V are members of frequent flyer programmed.
The pertinent information, and I'll be pleased to assist you in coming up with the solution.
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In a recent year, a research organization found that 228 of the 350 respondents who reported earning less than $30,000 per year said they were social networking users. At the other end of the income scale, 290 of the 472 respondents reporting earnings of $75,000 or more were social networking users. Let any difference refer to subtracting high-income values from low-income values. Complete parts a through d below. Assume that any necessary assumptions and conditions are satisfied.
a) Find the proportions of each income group who are social networking users.
The proportion of the low-income group who are social networking users is _____
The proportion of the high-income group who are social networking users is _____
(Round to four decimal places as needed.)
b) What is the difference in proportions?_____ (Round to four decimal places as needed.)
c) What is the standard error of the difference? _____(Round to four decimal places as needed.)
a) Proportion is 0.6144 b) Difference is 0.0370 c) The standard error of the difference is 0.0347.
a) To find the proportions of each income group who are social networking users, divide the number of users by the total number of respondents in each group.
Low-income group:
228 users / 350 respondents = 0.6514
The proportion of the low-income group who are social networking users is 0.6514.
High-income group:
290 users / 472 respondents = 0.6144
The proportion of the high-income group who are social networking users is 0.6144.
b) To find the difference in proportions, subtract the high-income group's proportion from the low-income group's proportion.
Difference = 0.6514 - 0.6144 = 0.0370
c) To find the standard error of the difference, first calculate the variance of each group's proportion, then add them together, and finally, take the square root of the sum.
Variance for low-income group = (0.6514 * (1 - 0.6514)) / 350 = 0.000638
Variance for high-income group = (0.6144 * (1 - 0.6144)) / 472 = 0.000568
Sum of variances = 0.000638 + 0.000568 = 0.001206
Standard error of the difference =\(\sqrt{(0.001206)}\) = 0.0347
So, the standard error of the difference is 0.0347.
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(x - 5)(5x + 2) = 0 (please help)
Answer:
x=-5
Step-by-step explanation:
please tell me if im wrong lol
Answer:
\( (5 , - 0.4)\)
Please find the missing side and show your work
Answer:
13.3041346957 Ft. ( Or 13.30 Ft. )
Step-by-step explanation:
Formula: A^2 + B^2 = C^2
Substitution: 9^2 + 6^2 = 117
√177 = 13.3041346957
13.3041346957 ( Rounded ( Hundredths Place ) = 13.30 Ft .
deviations away from the diagonal line presented in a normal q-q plot output indicate a high r2 value, and thus a proper approximation by the multiple linear regression model. a. true b. false
The diagonal line presented in a normal q-q plot output indicate a high r2 value. b. false.
Deviations away from the diagonal line presented in a normal Q-Q plot output do not necessarily indicate a high r2 value or a proper approximation by the multiple linear regression model. A normal Q-Q plot is a graphical technique for assessing whether or not a set of observations is approximately normally distributed. In this plot, the quantiles of the sample data are plotted against the corresponding quantiles of a standard normal distribution. If the points on the plot fall close to a straight diagonal line, then it suggests that the sample data is approximately normally distributed. However, deviations away from the diagonal line could indicate departures from normality, such as skewness, heavy tails, or outliers. These deviations could affect the validity of the multiple linear regression model and its assumptions, including normality, linearity, independence, and homoscedasticity. Therefore, it is important to check the residuals plots and other diagnostic tools to evaluate the assumptions and the fit of the model.
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WHATS THE SLOPE? I need this ASAP!!
Answer:
4/3
Step-by-step explanation:
Lets begin by moving the negative 1 to the right. We are now at 4x = 3y + 6. If we move the 3y to the left and 4x to the right, we then get to -3y = -4x +6. We now need to divide by -3. This simplifies to y = 4/3x + 6. Therefore, the slope would be 4/3.
. Find the area of the parallelogram at the right. Round to the nearest tenth. 1.6 cm 2.3 cm
Answer:
3.68 cm ^2
Step-by-step explanation:
A= b x h
A= 1.6 cm x 2.3 cm
A= 3.68 cm ^2
The boss told the management team some sad news too. “I’m cutting your hourly pay. You now get paid per project you finish. I will give you $10 for each finished schedule you create and $20 for each meeting you complete! You cannot make more than $100 per day! Also you must make more than twice as many schedules as meetings!”
Create a system of linear inequalities to model the situation above, where x is the number of schedules made and y is the number of meetings completed.
The system of linear inequalities to model the situation is 10x + 20y ≤ 100 and y > 2x
How to create a system of linear inequalities to model the situationFrom the question, we have the following parameters that can be used in our computation:
Each finished schedule = $10Each meeting = $20Amount to make = Not more than $100You must make more than twice as many schedules as meetingsUsing the following representations:
x = the number of schedules madey = the number of meetings completedWe have the following system of inequalities from the given statements
10x + 20y ≤ 100
y > 2x
Hence, the system of inequalities is 10x + 20y ≤ 100 and y > 2x
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Each time Caroline goes shopping she decides whether or not to buy fruit.
The probability that she does buy fruit is 0.4.
Independently, she then decides whether or not to buy a CD, with a probability of 0.3 that she does buy a CD.
Work out the probability that she buys fruit or buys a CD or both.
Answer: 0.58
Step-by-step explanation:
Step 1 : Caroline buys fruit and buys cd ( buys both) = 0.12 ( 0.4 x 0.3)
Step 2 : Caroline buys fruit and not cd = 0.28 ( 0.4 x 0.7)
Step 3 : Caroline doesn't buy fruit but buys cd = 0.18 ( 0.6 x 0.3 )
STEP 4 (FINAL STEP) : Add all the probabilities ( 0.12 + 0.28 + 0.18)
Answer: 0.58
Step-by-step explanation:
Step 1 : Caroline buys fruit and buys cd ( buys both) = 0.12 ( 0.4 x 0.3)
Step 2 : Caroline buys fruit and not cd = 0.28 ( 0.4 x 0.7)
Step 3 : Caroline doesn't buy fruit but buys cd = 0.18 ( 0.6 x 0.3 )
STEP 4 (FINAL STEP) : Add all the probabilities ( 0.12 + 0.28 + 0.18)
ANSWER = 0.58
what type of parent function is f (x) = 1/x
The function f(x) = 1/x represents the reciprocal function is a type of rational function.
The reciprocal function has the general form f(x) = 1/x, where x is any non-zero real number.
The reciprocal function is characterized by its graph, which is a hyperbola.
The graph of f(x) = 1/x consists of two branches that approach the x-axis and the y-axis as x approaches positive or negative infinity.
The parent function f(x) = 1/x has several key features:
As x approaches positive infinity, the function approaches zero.
This means that the graph gets closer and closer to the x-axis but never touches it.
As x approaches negative infinity, the function also approaches zero, but on the negative side of the x-axis.
The graph is symmetrical with respect to the line y = x.
This means that if you reflect one branch of the hyperbola over the line y = x, you will get the other branch.
The function is undefined at x = 0 since division by zero is not defined.
The reciprocal function and its variations have various applications in mathematics, physics and engineering, especially dealing with inverse relationships or situations where quantities approach zero or infinity.
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Joanna saves $55 each month from her part-time job. She saves 1/5 of her earnings. Write and solve an equation determine Joanna’s earnings
If 1/5 of Joanna's monthly savings is $55 the equation of her savings is
x/5 = 55The solution to the equation is $275
How to determine the equation of Joanna's savingsinformation from the question include
Joanna saves $55 each month from her part-time job
She saves 1/5 of her earnings
let x represent the Joanna's earnings
The equation of Joanna savings is represented in the form
1/5 of x = 55
This equation deals with multiplication and the term 'of' as used in math represents multiplication
Hence 1/5 of x = 1 / 5 * x = x/5
x/5 = 55
multiplying both sides by 5
x = 275
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The manager of a men's store can sell 13 pairs of socks at a price of $2.46 per pair. If the price is $1.50, she can sell 29 pairs. The total cost for x pairs of socks is C(x)=0.75x+11.25 dollars. Find the revenue function. Do not round your answer.
Answer:
7sbbsshhshshdhdhdhdj₹hdhdhdye bcuz
Step-by-step explanation:
fixing call tbhi to go to this tbhi thick to swim6 ce bi cr
The revenue function is R(x) = $2.46 x and R(x) = $1.50 x .
What is revenue function?Revenue is the total income earned through the sale of goods and services by the company. Thus, revenue is the most important factor to determine the progress of any business. The revenue formula is used to find the revenue.
Revenue Formula = Number of goods sold × Sales Price
According to the question
The manager of a men's store can sell 13 pairs of socks at a price of $2.46 per pair.
i.e
Selling price of 1 pair socks = $2.46
Selling price of 13 pairs of socks = 13 * $2.46
= 31.98
If the price is $1.50, she can sell 29 pairs.
i.e
IF Selling price of 1 pair socks = $1.50
If Selling price of 29 pairs of socks = $1.50 * 29
= $43.5
Now,
The total cost for x pairs of socks in dollars is
\(C(x)=0.75x+11.25\)
x = 13
\(C(13)=0.75*13+11.25\)
\(C(13) = 21\)
x = 29
\(C(29)=0.75*29+11.25\)
\(C(29) = 33\)
Now,
The Revenue function
Revenue Formula = Number of goods sold × Sales Price
i.e
Let pair of socks sold = x
when Selling price of 1 pair socks = $2.46
R(x) = $2.46 x
IF Selling price of 1 pair socks = $1.50
R(x) = $1.50 x
Hence, The revenue function is R(x) = $2.46 x and R(x) = $1.50 x .
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Help me with this please!!!!
Answer:
4.69
Step-by-step explanation:
the distance between two points in three dimensions is equal to the sqrt((x-x1)^2+(y-y1)^2+(z-z1)^2)
So:
sqrt((2-0)^2+(3-0)^2+(3-0)^2)
= sqrt(4+9+9)
= sqrt(22)
~4.69
Answer:
The answer is 4.69
What are the answers to the last two questions?
Answer:
Thanks for the points :3
PLS HELP I AM TIMED I WILL MARK BRAINLIEST///A rectangular prism has dimensions 2 feet by 3 feet by h feet.
Which of the following expressions represents the surface area, in square feet, of the
prism?
a. 5h + 6
b. 5h + 12
c. 10h + 6
d. 10h + 12
Answer:
5h+6
Step-by-step explanation:
I was litterly just doing this trust me im right lol
Answer:
D. 10h+12
Step-by-step explanation:
You have to multiply to find the area of each rectangle. There are 3 pairs of rectangles that are identical to one another.
2*h = 2h * 2 = 4h
3*h = 3h *2 = 6h
2*3 = 6 *2 = 12
10h+12
what is all of the rotation rules? (geometry)
Answer:
These are the rules of rotation for geometry.
1) 90° clockwise rotation: (x,y) becomes (y,-x)
2) 90° counterclockwise rotation: (x,y) becomes (-y,x)
3) 180° clockwise and counterclockwise rotation: (x, y) becomes (-x,-y)
4) 270° clockwise rotation: (x,y) becomes (-y,x)
5) 270° counterclockwise rotation: (x,y) becomes (y,-x)
Step-by-step explanation:
I hope this helps! I also added a picture to make this more clear.
Jody is responsible for creating a survey sample. She forgets, however, to include a segment of the population that is relevant to the study. What sort of sampling error has she created? Group of answer choices Census Ethical Systematic Random
Jody has created a systematic sampling error by forgetting to include a segment of the population that is relevant to the study.
Systematic sampling is a sampling method where every nth member of a population is selected to be part of the sample. In Jody's case, she forgot to include a specific segment of the population, which means that the sampling process was not systematic. This error can introduce bias and affect the representativeness of the sample.
No calculations are required for this type of error.
Jody's mistake in not including a relevant segment of the population has resulted in a systematic sampling error. To ensure the accuracy and validity of the study, it is important to rectify this error by including the missing segment or adjusting the sampling method accordingly.
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what is the last digit of 3 with a power of 2011
So to find any last digit of 3^2011 divide 2011 by 4 which comes to have 3 as remainder. Hence the number in units place is same as digit in units place of number 3^3. Hence answer is 7.
Could someone please explain how to solve for the area?
9514 1404 393
Answer:
280.6 square units
Step-by-step explanation:
The formula for the area of an n-gon with radius r is useful here:
A = (n/2)r²sin(360°/n)
For your hexagon (n=6) with radius r=6√3, the area is ...
A = (6/2)(6√3)²sin(360°/6) = 324sin(60°) = 162√3 ≈ 280.6 . . . square units
what is the answer ..
Answer:
m = 5, -1/3
don't know if this is right or wrong
Answer:
if the questio is 3m-7 over 4 -2 than
Step-by-step explanation:
the awanser is 3/4m+ -15/4
Solve for b in the proportion.
48
b
=
39
26
b =
Answer:
b=32
Step-by-step explanation:
The number of workers permissible to be carried are 5 and the average weight of the workers is 80kg. The weight of the tools and equipments carried by these workers are 20kgs in total. Find the maximum load that can be carried in EWP?
Answer: 420 kg
Step-by-step explanation: 80(the weight of each person) x5 (the ppl) = 400
400+20(the weight of tools) =420
I need help with this
Solution
From given equation
Slope = -2
and y-intercept is (0,0)
Therefore,
if we put x= 0
then y = -2*0 = 0
if we put x = 1
then y = -2*1 = -2
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Solution
From given equation
Slope = -2
and y-intercept is (0,0)
Therefore,
if we put x= 0
then y = -2*0 = 0
if we put x = 1
then y = -2*1 = -2
for graph plotting, see the attachment.
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Raise to the power:
\((-xn)^{4}\)
Answer:
x^4 n^4
Step-by-step explanation:
(-x)^4*n^4
4 is an even power and the minus sign disappears. 4 minus signs make a plus.
x^4 n^4
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
\(( { - xn})^{4} = ({ - x})^{4} \times ({n})^{4} = \)
\(( { - 1})^{4} \times {x}^{4} \times {n}^{4} = {x}^{4} {n}^{4} \)
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
which one is the correct graph
Graph f(x) = -1/2x
Click on the graph until the graph of f(x) = -1/2x appears
Answer:
The third graph
Step-by-step explanation:
The third graph depicts the function f(x) = -1/2x because for every 1 unit decrease along the y-axis, you travel 2 units on the x-axis.
Also, the two points on the third graph can satisfy the equation.
Point 1: (-2,1)
f(-2) = (-1/2)(-2)
f(-2) = 1
Point 2: (0,0)
f(0) = (-1/2)(0)
f(0) = 0
Renz wishes to make an open box froma square piece of cardboard with a sidethat measures 15 inches by cuttingequal squares from the four cornersand folding the sides. what will be thevolume of the box if he cuts a squarewith 2 inch sides?
2.5 inches will be the volume of the box if he cuts a square with 2 inch sides.
What is volume ?
Every three-dimensional item takes up space in some way. The volume of this area is what is being measured. The area contained by an object's limits in three-dimensional space is referred to as its volume. It is sometimes referred to as the object's capacity.Let each side of he square that's cut-off from each corner be represented by x.
This means that the base of the box will be of dimension of the side 15−2x while the height of the box will be x.
Thus;
Volume of box is:
V = (15 − 2x)(15 − 2x)x
V = (15 − 2x)²x
V = (4x² - 60x + 225)x
V = 4x³ - 60x² + 225x
Let's differentiate with respect to x to get;
dV/dx = 12x² - 120x + 225
Maximum value of x is at dV/dx = 0
12x² - 120x + 225 = 0
Using quadratic formula, we arrive at;
x = 2.5 or 7.5
Now, let's find the second derivative of the volume;
d²V/dx² = 24x - 120
Putting x = 2.5 gives;
d²V/dx² = 24(2.5) - 120
d²V/dx² = -60Thus, V is maximum at x = 2.5, since d²V/dx² is negative
At x = 7.5;
d²V/dx² = 24(7.5) - 120
d²V/dx² = 60
Thus, V is minimum at x = 7.5, since d²V/dx² is negative
Thus,we will use x = 2.5
Maximum volume; V = (15 − 2(2.5))(15 − 2(2.5))(2.5)
V = 10 × 10 × 2.5
V = 250 Sq.inches
Dimensions are;
(15 − 2x) = 15 - 2(2.5) = 10 inches
(15 − 2x) = 15 - 2(2.5) = 10 inches
x = 2.5 inches
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Solve for x. The answer to each problem will match a letter that will allow you to figure out the joke. 1. 5x – 7 = 4x + 3
2. 6 + 2x = 7x – 9
3. 8x + 1 = -8 – x
4. -5 + 12x = 18x + 7
5. -4x + 3 = 5x – 13 - x
The letters corresponding to the solutions are: x = 10, x = -3/2, x = -1/9, x = -6, x = 10/3 That gives you the letters "joke"1. 5x – 7 = 4x + 3.
To solve for x, we can add 7 to both sides of the equation and subtract 4x from both sides:
5x - 7 + 7 = 4x + 3 + 7
5x = 4x + 10
x = 10
2. 6 + 2x = 7x - 9
To solve for x, we can add 9 to both sides of the equation, subtract 6 from both sides and divide both sides by -1:
6 + 2x + 9 = 7x - 9 + 9
2x = -3
x = -3/2
3. 8x + 1 = -8 - x
To solve for x, we can add x to both sides of the equation and add 8 to both sides:
8x + 1 + x = -8 - x + x + 8
9x + 1 = 0
x = -1/9
4. -5 + 12x = 18x + 7
To solve for x, we can subtract 12x from both sides of the equation and add 5 to both sides:
-5 + 12x - 12x = 18x + 7 - 12x
-5 = 6x + 7
x = -6
5. -4x + 3 = 5x - 13 - x
To solve for x, we can add x to both sides of the equation, subtract 3 from both sides and divide both sides by -1:
-4x + 3 + x = 5x - 13 - x + x + 3
-3x = -10
x = 10/3
The letters corresponding to the solutions are: x = 10, x = -3/2, x = -1/9, x = -6, x = 10/3
That gives you the letters "joke"
Therefore, The letters corresponding to the solutions are: x = 10, x = -3/2, x = -1/9, x = -6, x = 10/3 That gives you the letters "joke"1. 5x – 7 = 4x + 3.
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Which expressions are equivalent to -2y-8+4y−2y−8+4yminus, 2, y, minus, 8, plus, 4, y ? Choose all answers that apply: Choose all answers that apply: (Choice A) A -2(y+4)+4y−2(y+4)+4yminus, 2, left parenthesis, y, plus, 4, right parenthesis, plus, 4, y (Choice B) B 4(-2+y)-2y4(−2+y)−2y4, left parenthesis, minus, 2, plus, y, right parenthesis, minus, 2, y (Choice C) C None of the above
Answer:
C. None of the above. The correct expression is 2(y-4)Step-by-step explanation:
Given the expression -2y-8+4y, we are to find the equivalent expressed is which other expression is similar to it. This can be expressed as shown below;
Step 1: Collect the like terms of the expression
= -2y-8+4y
= (-2y+4y)-8
Step 2: Sum up the terms in parenthesis:
= (-2y+4y)-8
= 2y-8
Step 3: factor out the common terms
= 2y-8
= 2(y-4)
Hence the equivalent expression is 2(y-4).
Answer:
A and B
Step-by-step explanation:
On Khan Academy its right.
NEED HELP
5. Find the value of the variables of t and s
In given triangle, the value of t is 3.75 and the value of s is 10.4.
What are the 3 sides of a triangle?In a right triangle, the hypotenuse is the longest side, a "opposite" side is the one across from a given angle, and a "adjacent" side is close to a given angle. We use unique terminology to describe the sides of right triangles.
We can set up the following ratios because the two triangles in the illustration are comparable to one another:
t / 5 = 6 / 8 (using the smaller triangle)
s / 13 = 8 / 10 (using the larger triangle)
Simplifying these ratios, we get:
t / 5 = 3 / 4
s / 13 = 4 / 5
We may cross-multiply and simplify to find t and s:
t = 5(3/4) = 15/4 = 3.75
s = 13(4/5) = 10.4
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Adrian and his children went into a grocery store and will buy apples and mangos. Each apple costs $2.25 and each mango costs $2. Adrian has a total of $25 to spend on apples and mangos. Write an inequality that would represent the possible values for the number of apples purchased, aa, and the number of mangos purchased, m.
The inequality which represents the given situation will be 2.25x + 2y ≤ 25.
What is inequality?A mathematical phrase in which the sides are not equal is referred to as being unequal. In essence, a comparison of any two values reveals whether one is less than, larger than, or equal to the value on the opposite side of the equation.
Suppose the cost of an apple is x and the cost of one mango is y.
2.25x + 2y = total cost
2.25x + 2y ≤ 25
Hence "The inequality which represents the given situation will be 2.25x + 2y ≤ 25".
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