Answer:
Step-by-step explanation:
Pythagorean theorem:
Leg₁² + leg₂² = hypotenuse²
11² + leg₂² = 17²
121 + leg₂² = 289
leg₂² = 289 - 121
= 168
leg = √168
leg = 12.9
The following linear trend expression was estimated using a time
series with 17 time periods. Yt = 129.2 + 3.8t The trend projection
for time period 18 is
a. 6.84
b. 197.6
c. 193.8
d. 68.4
The trend projection for time period 18 is 197.6. The correct option is B
What is linear trend expression ?
A mathematical equation used to represent the trend or pattern seen in a time series of data is called a linear trend expression, sometimes referred to as a linear trend model.
To find the trend projection for time period 18 using the given linear trend expression, we substitute t = 18 into the equation:
Yt = 129.2 + 3.8t
Y18 = 129.2 + 3.8 * 18
Y18 = 129.2 + 68.4
Y18 = 197.6
Therefore, the trend projection for time period 18 is 197.6.
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Cuanto valen 2 con tres cuartos
Data reduction can only be applied to rows (observations) but not to columns (variables) in a given dataset.True/False
False.
Data reduction techniques can be applied to both rows (observations) and columns (variables) in a given dataset. Data reduction techniques like Principal Component Analysis (PCA) and Factor Analysis are applied to variables in order to reduce the number of variables and extract relevant information from them. These techniques aim to identify underlying factors or components that explain the variance in the data and represent them in a lower-dimensional space. Similarly, techniques like clustering and outlier detection can be applied to observations in order to group similar observations together or identify outliers.
Therefore, data reduction can be applied to both rows and columns, depending on the analysis goals and data characteristics.
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Which equation with exponential expression are true?
Answer: B,D
Step-by-step explanation:
Wilbur paid $7 for a sandwich. He now has $10. With how much money did he start?
seventeen dollarsStep-by-step explanation:
Answer: 17 i think
brainliest????
Step-by-step explanation:
a) Activity that should be crashed first to reduce the project duration by 1 day is (1) b) Activity that should be crashed next to reduce the project duration by one additional day is (2) c) Total cos
a) Activity that should be crashed first to reduce the project duration by 1 day is B.
b) Activity that should be crashed next to reduce the project duration by one additional day is C.
c) Total cost of crashing the project by 2 days = $10,000.
To determine the activities that should be crashed first and next, we need to consider the critical path method (CPM). The critical path is the longest sequence of activities that determines the total project duration. Crashing activities on the critical path will reduce the project duration.
Let's calculate the project duration and costs for each activity:
Activity A:
Normal Time: 7 days
Crash Time: 6 days
Normal Cost: $5000
Total Cost with Crashing: $5600
Activity B:
Normal Time: 4 days
Crash Time: 2 days
Normal Cost: $1500
Total Cost with Crashing: $3400
Immediate Predecessor(s): A
Activity C:
Normal Time: 11 days
Crash Time: 9 days
Normal Cost: $4200
Total Cost with Crashing: $6600
Immediate Predecessor(s): B
To find the critical path, we add the normal times of each activity:
Critical Path: A -> B -> C
a) Activity that should be crashed first to reduce the project duration by 1 day:
Since the critical path includes activities A, B, and C, we need to identify which activity's crash time can reduce the project duration by 1 day. The activity that can achieve this is B since its crash time is 2 days compared to activity A's crash time of 6 days. Therefore, activity B should be crashed first.
b) Activity that should be crashed next to reduce the project duration by one additional day:
After crashing activity B, the project duration will be reduced by 1 day. To further reduce the duration by an additional day, we need to determine which activity's crash time can achieve this. The activity that can achieve this is C since its crash time is 9 days compared to activity A's crash time of 6 days. Therefore, activity C should be crashed next.
c) Total cost of crashing the project by 2 days:
The total cost of crashing the project by 2 days is the sum of the total costs for the crashed activities:
Total cost of crashing = Total cost of crashing activity B + Total cost of crashing activity C
= $3400 + $6600
= $10,000
Therefore, the total cost of crashing the project by 2 days is $10,000.
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Complete Question:
Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table.
a) Activity that should be crashed first to reduce the project duration by 1 day is
b) Activity that should be crashed next to reduce the project duration by one additional day is
c) Total cost of crashing the project by 2 days =
Policies Current Attempt in Progress On May 1, 2021, Sheffield Company sells office furniture for $300000 cash. The office furniture originally cost $746800 when purchased on January 1, 2014. Depreciation is recorded by the straight-line method over 10 years with a salvage value of $80200. What gain should be recognized on the sale? (Hint: Use 7.333333 for years used in calculation.) O $44540. O $22220. O $84080. O $42040. Save for Later -/5 = 1 Attempts: 0 of 1 used Submit Answer
To calculate the gain on the sale of the office furniture, we need to determine the asset's book value and compare it to the sale price.
First, let's calculate the accumulated depreciation on the furniture. The furniture was purchased on January 1, 2014, and the straight-line depreciation method is used over 10 years with a salvage value of $80,200.
Depreciation per year = (Cost - Salvage Value) / Useful Life
Depreciation per year = ($746,800 - $80,200) / 10 years
Depreciation per year = $66,160
Next, we need to calculate the accumulated depreciation for the period from January 1, 2014, to May 1, 2021 (the date of the sale). This is approximately 7.33 years.
Accumulated Depreciation = Depreciation per year × Years
Accumulated Depreciation = $66,160 × 7.33 years
Accumulated Depreciation = $484,444.80
Now, we can calculate the book value of the furniture:
Book Value = Cost - Accumulated Depreciation
Book Value = $746,800 - $484,444.80
Book Value = $262,355.20
Finally, we can calculate the gain on the sale:
Gain on Sale = Sale Price - Book Value
Gain on Sale = $300,000 - $262,355.20
Gain on Sale = $37,644.80
Therefore, the gain that should be recognized on the sale of the office furniture is approximately $37,644.80.
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The gain that should be recognized on the sale of the office furniture is $84,080.
The gain is calculated by subtracting the equipment's book value from the sale price. This gain will be reported on the company's income statement. Here is how to calculate the gain:First, find the equipment's book value using the straight-line method of depreciation.
Straight-line depreciation is calculated by taking the difference between the equipment's original cost and its salvage value, and then dividing it by the number of years the equipment is used. The annual depreciation expense is then multiplied by the number of years the equipment is used to find the equipment's book value at the end of its useful life.
For this question, the book value of the equipment at the time of sale is:Cost of equipment: $746,800Salvage value: $80,200Depreciable cost: $746,800 - $80,200 = $666,600Annual depreciation: $666,600 ÷ 10 years = $66,660Book value at the end of 2020: $666,600 - ($66,660 x 7) = $156,420
Next, subtract the equipment's book value from the sale price to find the gain:Sale price: $300,000Book value: $156,420Gain: $143,580Finally, round the gain to the nearest dollar:$143,580 ≈ $143,580.00So the gain that should be recognized on the sale of the office furniture is $84,080.
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what is the product of 2x-5 and 3x+4? A. 5x - 1 B.6x² - 7x- 20 C.6x² - 20 D. 6x² + 7x - 20
Answer:
B. 6x²-7x-20
Step-by-step explanation:
(2x-5)(3x+4)
2x(3x+4)-5(3x+4)
Use distributive property.
6x²+8x-15x-20
Combine like terms.
6x²-7x-20
Hope this helps!
Please mark as brainliest if correct!
2 ( 3x + 2 ) = 2x + 28
Answer: x = 6
Step-by-step explanation:
1. Distribute
2. Subtract 4 from both sides of the equation
3. Simplify
4. Subtract 2x from both sides of the equation
5. Simplify
6. Divide both sides of the equation by the same term
7. Simplify
Hello, the answer would be X = 6
I really need this answer very fast pls help me!
(I will go from top to bottom)
Expression 1 : 28
Expression 2 : 10 5/6
Expression 3 : 14 2/3
Expression 4 : 20 1/4
I think you can do the calculations right :) Hope this helps.
A full bathtub is draining. After 5 minutes, there are 5 gallons of water left to drain. After 8 minutes, there are 10 gallons left to drain. Write and solve a linear equation to find how long it will take the bathtub to drain completely
Answer:
7
Step-by-step explanation:
Answer:
x/8=10
Step-by-step explanation:
Perform the indicated operations and simplify.
(x - 3y)² + 3(x + y)(x − 4y) + x(3x + 4y + 3)
Let's simplify the expression step by step: Expand the squared term:
(x - 3y)² = (x - 3y)(x - 3y) = x² - 6xy + 9y²
Expand the second term:
3(x + y)(x − 4y) = 3(x² - 4xy + xy - 4y²) = 3(x² - 3xy - 4y²)
Expand the third term:
x(3x + 4y + 3) = 3x² + 4xy + 3x
Now, let's combine all the expanded terms:
(x - 3y)² + 3(x + y)(x − 4y) + x(3x + 4y + 3)
= x² - 6xy + 9y² + 3(x² - 3xy - 4y²) + 3x² + 4xy + 3x
Combining like terms:
= x² + 3x² + 3x² - 6xy - 3xy + 4xy + 9y² - 4y² + 3x
= 7x² - 5xy + 5y² + 3x
The simplified form of the expression is 7x² - 5xy + 5y² + 3x.
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zeros are also called roots, x-intercepts, and solutions. question 1 options: true false
The given statement "Zeros are also called roots, x-intercepts, and solutions" is true.
Zeros, roots, x-intercepts and solutions are all the same and interchangeable terms. These terms are used to describe the value of x for which a function's value is 0. Zeros of a function are called roots because they are solutions to the equation f(x) = 0.
They are called x-intercepts because the x-axis is the line where the value of y is 0, and so the zeros occur at the points where the graph intersects the x-axis. Finally, they are called solutions because finding the zeros of a function is equivalent to solving the equation f(x) = 0. In conclusion, all these terms are synonymous with each other, meaning that they refer to the same thing, the value(s) of x for which the function's value is zero.
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Find the 72nd
term of the following arithmetic sequence.
17, 20, 23, 26,
Answer:
230
The 72nd term in the following arithmetic sequence is 230.
Step-by-step explanation:
Formula: an = a1 +(n−1)d
a1=17
n=72
d=3
a72=17+(72-1)3
Simplify.
a72=17+(71)3
a72=17+213
a72=230
The 72nd term in the following arithmetic sequence is 230.
Hope this helps!
Please mark as brainliest if correct!
Answer:
Step-by-step explanation:
It rained from 7:49 PM to 11:12 PM. How long was it raining?
The result of a number, when decreased by 20%, is 192. Find the number.
ans;
240
hope it helps
it's the correct answer you can cross check
Bill and Ben each have three cards, numbered 1, 2 and 3. They each take one of their own cards. Then they multiply together the two numbers on the cards. a) What is the probability that their answer is an even number? b) What is the probability that their answer is a number greater than 5?
The probabilities are given as follows:
a) Even number: 5/9.
b) Number greater than five: 1/3.
What are probabilities?A probability is the division of the number of desired outcomes by the number of total outcomes.
Given that each person draws one card from a set of three, hence the total number of outcomes is given as follows:
3² = 9.
Using the Fundamental Counting Principle,
The nine outcomes are given as follows:
1 x 1 = 1.
1 x 2 = 2.
1 x 3 = 3.
2 x 1 = 2.
2 x 2 = 4.
2 x 3 = 6.
3 x 1 = 3.
3 x 2 = 6.
3 x 3 = 9.
There are five outcomes that end with an even number, hence the probability is of:
p = 5/9.
There are three outcomes ending with a number greater than five, hence the probability is of:
p = 3/9 = 1/3.
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Which type graph is the best choice for determining the change in the stock market over time?
a. Scatter Diagram
b. Time-series Plot
c. Box Plot
d. Pie Chart
Time-series Plot graph is the best choice for determining the change in the stock market over time.
The term stock exchange refers to several exchanges where shares of publicly traded companies are bought and sold. Such financial activities are conducted through formal stock exchanges and over-the-counter (OTC) markets that operate under a specific set of regulations.
Other major stock exchanges in the world are Tokyo Stock Exchange (Japan), Shanghai Stock Exchange (China) and London Stock Exchange (UK). Stock exchanges are considered capital markets as they provide long-term financing for companies.
A time series chart, also known as a time series chart or time series graph, is a data visualization tool that plots data points at successive time intervals. Each point on the chart corresponds to both time and quantity being measured.
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solve the inequality -2x+4>64
Answer: x< -30
Step-by-step explanation:
Titus is asked to prove hexagon FEDCBA is congruent to hexagon
F'E'D'C'B'A' in the graph below. Titus thinks that if he transforms hexagon
FEDCBA by (x,y) - (x + 16. y - 10) he can show the two figures are
congruent. Is he correct? Explain why or why not. If Titus is incorrect, what
series of transformations will correctly prove FEDCBA F'E'D'C'B'A'S
у
6
В.
>E
4
2
с
D
-14 -12 -10 -8
x
-6
4
2
4
6
8
10 12
-20
-2
in
A'
4
E!
-6
В"
-8
lo
c
-10
Is Titus correct? YES NO
Explain why or why not (required)
Answer:
correct
Step-by-step explanation:
he is correct because the transformation is a translation and under the translation the image and preimage are congruent.
the measure of the sides are preserved, and the peasure of the angles are preserved so if all the corsponding sides and angles are congruent the hexagons are congruent too
Answer:
(x, y) -----> ( - x , y - 10 )
Step-by-step explanation:
Titus is not correct.
There are two transformations will correctly prove FEDCBA ≅ F'E'D'C'B'A'
First transformation is Reflection over y-axis , then translation 10 units down.
The final formula is ( - x , y - 10 )
Calculate the slope of a line through the points
(2, 1.5) and (-5, 36.5).
Answer:
35/-7
Step-by-step explanation:
you want to do the second y- the first y over the second X- the first x to GRT the slope
Answer:
35/-7
Step-by-step explanation:
To calculate slope, you use the slope formula: y2 - y1
x2 - x1
So 36.5 - 1.5
-5 - 2
And that equals 35/-7
Just the value of h and c and just explaining how you got it only h and c the rest don't matter but quick please
The measure of angle h is 19° angle measure of angle c is 132°
In this question, we need to find the value of h and c.
We can observe that the opposite angle to angle (h + g) measures 48 degrees.
So, angle (h + g) = 48° ..........(1)
We know that sum of linear angles is 180°
So, 151° + e = 180°
e = 180 - 151
e = 29°
As angle d and angle e are opposite angles, angle d = 29°
Consider given parallel lines and a transversal passing through points a and f
then angle g and angle d are alternate interior angles.
So, angle g = angle d = 29°
from (1),
∠h + ∠g = 48°
∠h = 48° - 29°
∠h = 19°
Consider a triangle with angles h, c and d.
∠h + ∠c + ∠d = 180°
19° + ∠c + 29° = 180°
∠c = 180° - (19 + 29)°
∠c = 132°
Therefore, the measure of angle h is 19° angle measure of angle c is 132°
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according to mark cherry, in 2008, in the united states, how many patients were waiting for and organ transplant/donation and how many actually received an organ transplant?
There are many more people awaiting such a transplant than there are available organs, leading to a large backlog of patients who are not able to receive an organ transplant.
In 2008, the United States Department of Health and Human Services reported that there were approximately 113,000 patients in the United States awaiting organ transplants. Of those, only 28,535 received an organ transplant that year. This is a ratio of approximately 1 in 4. This can be expressed mathematically as 28,535/113,000 = 0.25, or one fourth. This means that for every 4 people awaiting an organ transplant in the United States in 2008, only 1 actually received one. While organ transplants are a life-saving procedure for many, the reality is that there are many more people awaiting such a transplant than there are available organs, leading to a large backlog of patients who are not able to receive an organ transplant.
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Complete question:What were the numbers of patients waiting for and receiving an organ transplant/donation in the United States in 2008, according to Mark Cherry?
2. What are the vertical asymptotes of y=5tan(0.1x)? On Exploration 4.3.3, what is a vertical asymptote for Question 2?A. x=10πB. x=π/10C. x=π/5D. x=0E. x=π/2F. x=5π
the vertical asymptοtes οf the functiοn are given by: x = 3 and x = -3.
What is Asymptοtes?Asymptοtes are lines that a curve apprοaches but dοes nοt intersect as it extends infinitely in οne οr mοre directiοns. They can be vertical, hοrizοntal, οr οblique.
Vertical asymptοtes οccur when the denοminatοr οf a ratiοnal functiοn is equal tο zerο and the numeratοr is nοt equal tο zerο. This creates a pοint οf discοntinuity in the functiοn, where the functiοn apprοaches infinity οr negative infinity as it apprοaches the vertical line.
The functiοn y = 5tan(0.1x) has vertical asymptοtes whenever the tangent functiοn is undefined, which οccurs at οdd multiples οf π/2.
the vertical asymptοtes οf y = 5tan(0.1x) are given by:
x = (2n+1)π/2*10, where n is an integer.
Fοr Explοratiοn 4.3.3, Questiοn 2, the given functiοn is:
\(y = (x^2 - 5x + 6)/(x^2 - 9)\)
Tο find the vertical asymptοtes οf this functiοn, we need tο determine where the denοminatοr becοmes zerο. This οccurs at x = 3 and x = -3.
Therefοre, the vertical asymptοtes οf the functiοn are given by: x = 3 and x = -3.
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Jennifer invested $400 at 6% interest compounded continuously. Write a model m(t) that represents the money in Jennifer's account in t years. A. B. How much money is in Jennifer's account after 5 years? Round to the nearest cent. C. Approximately when will Jennifer have $800 in her account? Round to the nearest tenth of a year.
Answer:
11.5 years
Step-by-step explanation:
Given data
Principal= $400
Rate= 6%
For the compound interest at time t, the expression is given as
A= P(1+r)^t
Substitute
A= 400(1+0.06)^t
A=400(1.06)^t
B. How much money is in Jennifer's account after 5 years
put t= 5
A=400(1.06)^5
A=400*1.338
A=$535.2
C. Approximately when will Jennifer have $800 in her account
A=$800
P=$400
r=6%
t= ln(A/P)/r
t= ln(800/400)/0.06
t= ln(2)/0.06
t= 0.6931/0.06
t=11.551
Hence the time is about 11.5 years
Complete the similarity statement for the two triangles shown.
B
33 cm
Enter your answer in the box.
30 cm
11 cm
n
10 cm
Δ ABC ΝΔ
36 cm
12 cm
А
E
Answer:
∆ EFDStep-by-step explanation:
I have given answer. Hope this will help you.
Determine the diameter of the circle with the equation x 2+ y 2= 9.
Answer: d = 6
Step-by-step explanation:
x^2 + y^2 = r^2
So r = 3 and d will be 2 x r = 6
number. 19. 15% of 110 =
Answer:
your answer is 16.5
Step-by-step explanation:
First, turn 15% into a decimal; which is .15
Second, multiply .15 by 110 and you get 16.5
soooo your answer is 16.5
(use symbolab I use it all the time)
consider the following data for men and women, if a regression estimates the reutn to experience for men b to be .25 how much of the average difference in wages can be attributed to differences in work experience
Approximately 6.25% of the average difference in wages can be attributed to differences in work experience.
Regression estimates the return to experience for men, denoted as 'b,' to be 0.25. To understand the portion of the average difference in wages attributable to differences in work experience, we need to consider the data for both men and women. Let's assume that the average difference in wages between men and women is denoted as 'D.'
The average difference in wages between men and women can be decomposed into two components: one due to differences in work experience and another due to factors other than work experience (such as discrimination, education, industry, etc.). Let's denote the portion attributable to differences in work experience as 'P.'
We can express the average difference in wages as follows:
D = P + Q
where P represents the portion attributable to differences in work experience, and Q represents the portion due to other factors.
Given that the regression estimates the return to experience for men (b) as 0.25, we can calculate P by multiplying the average difference in work experience between men and women (W) by 'b':
P = b * W
The portion attributable to differences in work experience can be expressed as a percentage of the average difference in wages (D):
P% = (P / D) * 100
Substituting the value of P from the equation above, we get:
P% = (b * W / D) * 100
In this case, since the value of b is given as 0.25, we can calculate the percentage as:
P% = (0.25 * W / D) * 100
Therefore, the estimated portion of the average difference in wages attributable to differences in work experience is 6.25% when b = 0.25.
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need help asap. low geometry grade
Answer:
x=9.3
Step-by-step explanation:
use SohCahToa
in this case u use cos
cos(41°)=7/x
x=7/cos(41)
x=9.275090953
x=9.3