The proportional equation for the given graph would be y = 2. 5 x
How to find the proportional equation?The proportional equation takes the form :
y = mx
Where:
m = slope or the change in y as a result of x
The value of the slope is :
= Change in y / Change in x
= ( 15 - 0 ) / ( 6 - 0 )
= 15 / 6
= 2. 5
The proportional equation is:
y = 2. 5 x
In conclusion, the proportional equation would be y = 2. 5 x .
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A company offers to pay you R0,01 for your first day of employment. R0,02 for your second day. R0,04 for your third day. R0,08 for your fourth day, and so forth. If this pattern continues, calculate your total earnings in the first month (Assaune 30 days in the month)
The total earnings for the first month are given as follows:
R370,256.
How to obtain the total earnings?The series in this problem is a geometric sequence, as there is a common ratio between consecutive terms.
Each day, the amount paid to you by the company is doubled, hence the common ratio of the geometric sequence is given as follows:
r = 2.
The amount paid on the first day is given as follows:
a(1) = 0.01.
The sum of the first n terms of a geometric sequence is given as follows:
S = [a1(1 - r^n)]/(1 - r).
Hence the sum for the first 30 days is given as follows:
S = [0.01(1 - 2^30)]/(1 - 30)
S = 370,256.
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At the moment Mr Finn pays £700 per month in rent.
His landlord has informed that this will increase by 5% for the next two years and by 8% after that.
What will Mr Finn's rent be in three years' time if he stays in his current accommodation?
(4)
Mr. Finn's rent in the next 3 years will be £ 833.49
Finding increased rent:To find the rent, calculate how much it will increase in the first and in the second year by using calculating percentages individually or using the compound interest formula. From the find total rent for next years. Using the total rent in the second year find the rent in 3rd year.
Here we have
The rent paid by Mr. Finn is £700 per month in rent.
His landlord informed him that rent will increase by 5% for the next two years and by 8% after that.
The rent in the 1st year = 700 + 5% of 700
= 700 + (5/100) 700
= 700 + 35 = 735
In the second year again the rent will increase by 5%
The total rent in the second year = 735 + 5% of 735
= 735 + 36.75 = 771.75
After 2 years, the increment will be 8%
So, The total rent in the 3rd year year = 771.75 + 8% of 771.75
= 771.75 + (8/100) 771.75
= 833.49
Therefore,
Mr. Finn's rent in the next 3 years will be £ 833.49
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Joanna has six beads that she wants to assemble into a bracelet. Three of the beads have the same color (like red), and the other three have the same color (ike blue). How many different ways can Joanna assemble her bracelet? (Two bracelets are considered identical if one can be rotated and/or reflected to obtain the other.)
Joanna can assemble her bracelet in 30 ways.
What is permutation?In mathematics, a permutation of a set is, loosely speaking, an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements. The word "permutation" also refers to the act or process of changing the linear order of an ordered set.
here, we have,
to find the number of ways in which the bracelet can be assembled:
It is given that Joanna has 6 beads and of those 6 beads, 2 are of the same color.
The rest 4 are of different colors.
Six beads can be arranged in a circle in 6!/6 ways.
This means that the six beads can be arranged in 5! ways.
Since this is a bracelet, it can be flipped around.
Therefore, it can be arranged in 5!/2 ways.
5!/2
= 5*4*3*2*1/2
= 60
Now, we know that two beads are of the same color. Therefore, we must divide this by two again.
Therefore, we get:
60/2 = 30
The six beads can be arranged in 30 ways to make the bracelet.
Therefore, we have found that Joanna can assemble her bracelet in 30 ways.
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Two parallel lines are crossed by a transversal. What is the value of x? x = 40 x = 70 x = 110 x = 130.
If two parallel lines are crossed by a transversal, the value of x is option (b) x = 70 degrees
When two parallel lines are intersected by a transversal, eight angles are formed. Two of these angles are vertical angles, which are opposite angles that share the same vertex and are formed by the intersection of two lines.
Vertical angles are always congruent, meaning they have the same measure. This is a geometric property that is true regardless of the angle's degree measurement.
In this problem, one of the vertical angles is given to be 70 degrees. Therefore, the other vertical angle must also have a measure of 70 degrees. This means that the value of x, which is the measure of one of the vertical angles, is also 70 degrees.
So, correct option is (b) x = 70 degrees.
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The given question is incomplete, the complete question is:
Two parallel lines are crossed by a transversal. What is the value of x? a) x = 40 b) x = 70 c) x = 110 d) x = 130.
Determine and state an equation of the line perpendicular to the line 5x - 4y = 10 and passing
through the point (5,12).
the equation of the line perpendicular to 5x - 4y = 10 and passing through the point (5,12) is y = -(4/5)x + 16.
How to determine?
To find the equation of the line perpendicular to the line 5x - 4y = 10 and passing through the point (5,12), we need to first find the slope of the given line.
Rewriting the equation of the given line in slope-intercept form (y = mx + b), we get:
5x - 4y = 10
-4y = -5x + 10
y = (5/4)x - 5/2
The slope of this line is (5/4), so the slope of any line perpendicular to it is the negative reciprocal of (5/4), which is -(4/5).
Now we can use the point-slope form of a linear equation to find the equation of the perpendicular line. The point-slope form is:
y - y1 = m(x - x1)
where (x1, y1) is a point on the line and m is the slope.
Plugging in the values we have, we get:
y - 12 = -(4/5)(x - 5)
Expanding and simplifying, we get:
y - 12 = -(4/5)x + 4
y = -(4/5)x + 16
Therefore, the equation of the line perpendicular to 5x - 4y = 10 and passing through the point (5,12) is y = -(4/5)x + 16.
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6. Suppose 2 more pieces of rope are cut to
be 2 feet. Would the value that occurred
most often change? Explain your
reasoning.
450
Topic 10 Assessment Practice
Answer:6
Step-by-step explanation: because the 2 feet already has four pieces and if you add two more pieces to it there will be six in total.
d.
X
-2
-1
0
1
2
f(x)
-17
-12
-7
-2
3
Type of function:
Nature of change:
Recursive equation
Explicit equation
Answer:
integers . whole number and nutural number
study the graph to see how grasshoppers of three different body colors survive predation by blue jays in a mostly green environment. grasshopper numbers are shown before and after blue jays preyed on them. which statements are supported by the data in the table? choose three correct answers.
The statement A and statement B are supported by the data in the table. The solution has been obtained by studying the bar graph.
What is a bar graph?
Bar graphs or bar charts are visual depictions of groups of data that are made up of vertical or horizontal rectangular bars with lengths that are equal to the data's measure.
We are given a graph showing grasshopper numbers before and after blue jays preyed on them.
From the graph, we can observe that there is no change in the number of green grasshoppers. This means that blue jays did not prey them.
Also, there is a great fall in the brown grasshoppers which means that they are most visible to the blue jays.
Hence, the statement A and statement B are supported by the data in the table.
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The complete question has been attached below
What does it mean to have a skewed distribution? What causes a skew in statistical terms? And how does one deal with skewed data when conducting research? Are there specific types of research questions and types of data where one would expect the data to be skewed?
Please answer in simple terms for someone that is new to statistics
We have discussed what is skewed distribution and how to deal with skewed data as mentioned below.
What is a skewed distribution?
When one tail is longer than the other, the distribution is said to be skewed. The asymmetry of a distribution is defined by skewness. These distributions are asymmetric, in contrast to the well-known normal distribution and its bell-shaped curve. Because the data are not equally distributed on both sides of the distribution peak, the two parts of the distribution are not mirror images.
A) The direction of outliers is revealed by skewness. A distribution curve's tail is longer on the right side when there is a positive skew. As a result, the distribution curve's outliers are more extreme to the right and closer to the mean to the left. Skewness simply conveys the direction of outliers; it does not convey the number of outliers.
B) Lower or upper boundaries on the data frequently cause skewed data. In other words, data with a lower bound are frequently skewed right, whereas data with an upper bound are typically skewed left.
C) One popular method for handling skewed outcome data is to logarithmically transform each observation before conducting the analysis with the resulting values.
D) It is likely that the income distribution curve you plot on a graph will be positively skewed to the right. If the majority of people earn normal earnings and a smaller proportion earn high incomes, then this would happen.
Therefore this is what skewed distribution is and the above mentioned ways are how one deals with skewed data in research.
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Which of the following is the best linear approximation for f(x) = cos(x) near x equals pi divided by 2 ?
y equals x minus pi over 2
y equals negative x plus pi over 2
y equals negative x plus pi over 2 plus 1
y equals x minus pi over 2 plus 1
Answer:
Please Mark Brainlaiest Answer
Step-by-step explanation:
The best linear approximation for f(x) = cos(x) near x = pi/2 is given by the equation:
y = -(x - pi/2) + 1
This is because the linear approximation should have the same value and slope as the original function at x = pi/2.
At x = pi/2, the value of f(x) = cos(pi/2) = 0. The value of the linear approximation at x = pi/2 is:
y = -(pi/2 - pi/2) + 1 = 1
So, the value of the linear approximation matches the value of the original function at x = pi/2.
The slope of the original function at x = pi/2 is -sin(pi/2) = -1. The slope of the linear approximation is:
y' = -1
So, the slope of the linear approximation also matches the slope of the original function at x = pi/2.
Therefore, the best linear approximation for f(x) = cos(x) near x = pi/2 is:
y = -(x - pi/2) + 1
Hence, the correct option is "y equals negative x plus pi over 2 plus 1".
Answered By Unish ©
Verified Answer ✅
The product of 4 and a number w is 8
Answer:
x = 2
Step-by-step explanation:
1) Based on the given conditions, formulate: 4 × x = 8
2) Divide both sides of the equation by the coefficient of variable: x = 8 ÷ 4
3) Calculate the product or quotient: x = 2
4) You then get the result x = 2
The product of 4 and a number w is 8.
[tex]4\times w=8[/tex]
This can also be written as:
[tex]4w=8[/tex]
Divide both sides by 4:
[tex]\dfrac{4w}{4}=\dfrac{8}{4}[/tex]
[tex]\boxed{w=2}[/tex]
Find length of third side using Pythagorean theorem (round to the nearest tenth)
Answer:
15.81 units
Step-by-step explanation:
Let the hypotenuse of the triangle be x.
Let us use the Pythagorean theorem to find x.
x² = 9² + 13²
x² = 81 + 169
x² = 250
x = √250
x = 15.81 units
How can we tell if a number is divisible by 4
The number can be said to be a multiple of 4 if the last two digits of the number is a multiple of 4
What are Factors of a Number?Numbers that divide an original number evenly or precisely are known as its factors. A factor is a whole number that can divide a larger number in two equal parts. A factor is a number that divides another number, leaving no remainder
Given data ,
Let the number be represented as n
Now , the number can be said to be a multiple of 4 if the last two digits of the number is a multiple of 4
Let the value of the number n be n = 3240
Now , the last two digits of the number is 40
And , the number 40 is a multiple of 4 , so the number 3240 is also a multiple of 4
where n / 4 = 810
Hence , the factors of the number 4 is a multiple of 4
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You have a total of 49 dimes and quarters. You have 7 more quarters than dimes. How many quarters do you have?
Answer:
Step-by-step explanation:
Answer:21 dimes and 28 quarters
Step-by-step explanation:
Question about p-value: if the p-value is 0.03, are they statistically different or not? (Picture)
Yes, they are statistically different.
What does statistical significance mean?Statistical significance is a term used to indicate that a result from a statistical test is likely to be reliable and reproducible. It is the probability that a result is caused by something other than random chance. Statistical significance is usually determined by calculating the probability, or p-value, that the result occurred by chance. A result is deemed to be statistically significant if the p-value is below a certain threshold. This threshold is typically set at 0.05, but can be adjusted depending on the study.
A p-value below 0.05 is generally considered to be statistically significant, indicating that the differences observed between the two groups are unlikely to have occurred by chance. In this case, a p-value of 0.03 is well below the threshold, indicating that the two groups are statistically different
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The time to complete a construction project is normally distributed with a mean of 60 weeks and a standard deviation of 4 weeks. Solve all following questions both manually (by looking up the Z table) and using Excel.
(1) (2 pts for manual calculation; 2 pts for using Excel) What is the probability the project will be finished in 62 weeks or less?
(2) (2 pts for manual calculation; 2 pts for using Excel) What is the probability the project will take longer than 65 weeks?
(3) (2 pts for manual calculation; 2 pts for using Excel) What is the probability the project will be finished between 62 and 66 weeks?
1. The probability the project will be finished in 62 weeks or less is 0.6915. 2.The probability the project will be finished in longer than 65 days is 0.8944.
What is standard score?The standard score in statistics is the amount of standard deviations that a raw score (i.e., an observed value or data point) deviates from or exceeds the mean of the thing being observed or measured. Standard scores are positive for raw scores above the mean and negative for raw scores below the mean.
It is determined by deducting the population mean from a given raw score, then dividing the result by the population standard deviation. Standardizing or normalising is the process of transforming a raw score into a standard score.
Given that,
mean = 60 weeks
SD = 4 weeks
1. P (p ≤ 62) = P(z ≤ 62)
The z-score is given by:
z-score = x - mean / SD
Substituting the values we have:
z-score = 62 - 60/4 = 2/4 = 0.5
P(z ≤ 0.5) = 0.6915 (Using the z -table)
Hence, the probability the project will be finished in 62 weeks or less is 0.6915.
Similarly,
2. P(z > 65) = P(z > 1.25) = 0.8944
Hence, the probability the project will be finished in longer than 65 days is 0.8944.
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FROM LEAST TO GREATEST WHAT IS THE ORDER THAT THESE FRACTIONS SHOULD GO IN: 7/5, 15/4, 3/2, 11/4, 13/3
Answer:
7/5, 3/2, 11/4, 15/4, 13/3.
Step-by-step explanation:
Convert all to decimal then arrange from lowest to highest
Help Help Help Help Help Help (Just yes or no) I don’t need explanation
Answer:
Step-by-step explanation:
No.
Enrollment in the community education program this year decreased by 20% to 580 students. What was last year’s enrollment?
Answer: 464
Step-by-step explanation: First you multiply by 580 times .20 and subtract the answer of that by 580
Pleaase show your work ASAP
For given coordinates of a linear equation, the slope will be 3/4 i.e. B.
What is a linear equation, exactly?
When the greatest power of a variable is 1, the equation is said to be linear. Other term used for it is a one-degree equation. The standard form of a linear equation with one variable is Ax + B = 0. There are three variables in this equation: x, A, and B. A denotes a coefficient. A linear equation with only two variables is commonly written as Ax + By = C. There is three more constants added to the constant C: the variables x and y, the coefficients A and B, and the variables.
and general equation of line is y=mx+c
where m=slope=y2-y1/x2-x1
Now,
Here given coordinates are , (-3,4) and (1/7)
then (x1,y1) and (x2,y2) are (-3,4) and (1/7) respectively
so slope=m=7-4/1-(-3)=3/4
Hence,
For given coordinates of a linear equation, the slope will be 3/4.
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I need help graphing this equation
The graph of the piecewise function is attached at the end.
What is piecewise function?A piecewise function is a function that is defined on a sequence of intervals. For example -
[tex]$|x| =\left \{ {{-x\;\;\;\;x < 0} \atop {x\;\;\;\;x > 0}} \right.[/tex]
Given is the piecewise function as -
[tex]$f(x) =\left \{ {{-x-1\;\;\;\;x < 3} \atop {-x+1\;\;\;\;x \geq 3}} \right.[/tex]
Refer to the graph of the piecewise function. The graph of the function is attached. The line one does not include the point {x = 3}. The second line includes the point {x = 3}
Therefore, the graph of the piecewise function is attached at the end.
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4. Simplify completely x² - 15x+36/5x – 60
X-3/5
x-12/5
x²-6/5
x²-18/5
Solving the Question
[tex]\dfrac{x^2-15x+36}{5x-60}[/tex]
First, factor the trinomial in the numerator.Two factors of 36 that have a sum of -15 are -3 and -12:[tex]= \dfrac{(x-3)(x-12)}{5x-60}[/tex]
Now, factor the denominator.There is a common factor of 5:[tex]= \dfrac{(x-3)(x-12)}{5(x-12)}[/tex]
Simplify the fraction.(x-12) appears in both the numerator and the denominator:[tex]= \dfrac{(x-3)}{5}\\= \dfrac{x-3}{5}[/tex]
Determine the restrictions. The denominator cannot equal 0.[tex]x\neq12[/tex]Answer[tex]\dfrac{x-3}{5}[/tex], [tex]x\neq12[/tex]
What are the coordinates of point A?
Answer:
Step-by-step explanation:
I believe its
(-2,-6)
According to a certain organization, approximately 26% of adults in the United States live with a disability. This includes disabilities affecting mobility, cognition, vision, hearing, and others. Suppose that we select a random sample of five US adults, and let x = the number of adults out of five that live with a disability. The methods of Section 5.2 can be used to compute the probability assignments for the x distribution.
Answer:
the probability assignments for the x distribution can be computed using the binomial probability formula, with p = 0.26 and n = 5, and the results are shown in the table above.
Step-by-step explanation:
If approximately 26% of adults in the United States live with a disability, then the probability of a randomly selected US adult living with a disability is 0.26. We can use this probability to determine the probability of getting a certain number of adults out of five that live with a disability.
To do this, we can use the binomial probability formula:
P(x) = (n choose x) * p^x * (1-p)^(n-x)
where n is the sample size (in this case, 5), x is the number of adults with a disability, p is the probability of an adult having a disability (0.26), and (n choose x) is the binomial coefficient, which can be calculated as:
(n choose x) = n! / (x! * (n-x)!)
where ! denotes the factorial function.
= 10 * 0.0676 * 0.4052
= 0.211
The solution is, 0.211 is the probability assignments for the x distribution.
Here, we have,
the probability assignments for the x distribution can be computed using the binomial probability formula, with p = 0.26 and n = 5, and the results are shown in the table above.
now, we have,
If approximately 26% of adults in the United States live with a disability, then the probability of a randomly selected US adult living with a disability is 0.26. We can use this probability to determine the probability of getting a certain number of adults out of five that live with a disability.
To do this, we can use the binomial probability formula:
P(x) = (n choose x) * p^x * (1-p)^(n-x)
where n is the sample size (in this case, 5), x is the number of adults with a disability, p is the probability of an adult having a disability (0.26), and (n choose x) is the binomial coefficient, which can be calculated as:
(n choose x) = n! / (x! * (n-x)!)
where ! denotes the factorial function.
= 10 * 0.0676 * 0.4052
= 0.211
So, 0.211 is the probability assignments for the x distribution.
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How do we simplify
6h\3 when it's not 3 h
Answer:
2h
Step-by-step explanation:
You can still divide 6h by 3 even if its not 3h
Imagine there are 6 h's:
H H H H H H
now divide them by 3:
1 2
HHH HHH
Now you have 2 groups of H so:
2H
Solve the equation by a method of your choice:
x2 - 2x - 3 = 0
If there are two solutions, separate the solutions by a comma.
Answer:
{x = -1, 3}
Step-by-step explanation:
See picture below :)
Which option is a possible solution to a system of linear equations?
0
y = 2x + 1
(1, 2)
y = 5
Answer:
y=5
Step-by-step explanation:
i think it is ahhhh&hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
Your itinerary contains a grid map of Washington D.C., with each unit on the grid representing 0.125
miles. If the White House is located at (−8,−6)
and the Pentagon is located at (−1,10)
, what is the direct distance (not walking distance, which would have to account for bridges and roadways) between the two buildings in miles? Round your answer to two decimal places, if necessary.
The direct distance between the White House and the Pentagon is approximately 3.067 miles.
Describe Distance?Distance is a measure of how far apart two objects or points are from each other. It is a fundamental concept in mathematics, physics, and other scientific disciplines, and plays a crucial role in our everyday lives.
Distance can be measured in various units, such as meters, kilometers, miles, feet, and inches, depending on the context and application. In mathematics, the distance between two points in a plane can be found using the Pythagorean theorem, which states that the distance between two points (x1, y1) and (x2, y2) is given by the formula:
distance = √((x2-x1)² + (y2-y1)²)
In this formula, the square of the difference in the x-coordinates and the y-coordinates of the two points are added and then the square root of the sum is taken to obtain the distance.
Using the distance formula, the direct distance between the two buildings is:
d = sqrt[(x2 - x1)^2 + (y2 - y1)^2]
where (x1, y1) = (-8,-6) and (x2, y2) = (-1,10)
d = sqrt[(-1 - (-8))^2 + (10 - (-6))^2]
d = sqrt[7^2 + 16^2]
d = sqrt(49 + 256)
d = sqrt(305)
Since each unit on the grid represents 0.125 miles, we can convert the answer to miles by multiplying by 0.125:
d = sqrt(305) * 0.125
d = 3.067 miles (rounded to 3 decimal places)
Therefore, the direct distance between the White House and the Pentagon is approximately 3.067 miles.
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- 1
grams
- 2
Continu
5
X
6
5
Lena's chocolate bar is 54% cocoa. If the weight of the chocolate bar is 53 grams, how many grams of cocoa does it contain? Round your answer to the nearest
tenth.
7
Q Search
8
9
10
Submit Assignm
© 2023 McGraw HLLC AB Rights Reserved. Terms of Use | Privacy Center | Access
S
Answer:
28.6 grams
Step-by-step explanation:
Percentage of cocoa in the chocolate bar = 54%
Weight of the chocolate = 53 grams
Weight of the cocoa = 54% of 53 = 28.62 grams
Rounding off to nearest tenth = 30 grams
A cube of a number minus the sum of the second number and two times the third number.
The answer is 4 times the cube of the first number minus the sum of the second number and two times the third number. That is the result of the calculation is -6.
To calculate this, first, we multiply the first number by itself twice to get the cube of the first number. Then, we subtract the sum of the second and third numbers multiplied by two from the cube of the first number. This result is our answer.
For example, let's say we have the numbers 2, 3, and 4. We first calculate the cube of 2, which is 8. Then, we subtract the sum of 3 and 4 multiplied by two, which is 14. So, the final answer is 8 - 14 = -6.
We can also show the stepwise calculation as follows:
= 2³ - (3 + 2 × 4)
= 8 - 14
= -6
Therefore, the result of the calculation is -6.
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