The frequencies based on the information are are 100, 40, and 6.
How to explain the frequencyIn the formula of the median, we have to calculate cumulative frequencies and have to use cumulative frequency of the interval previous to the median class. Also, in the formula of mode, frequencies are used and not the cumulative frequencies.
140 - y = 100
y = 40
substituting y and x in equation 1 is:
x + y + z = 146
100 + 40 + z = 146
z = 6
Therefore, the missing frequencies are 100, 40, and 6.
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How many ways to paint a house with 3 different colors from a pool of 12 distinct colors
Five sevenths of the fifty six images used as backgrounds on julia iPad were photos from dance class that she took herself. How many photos are of julia dance class? **Make sure you provide Your final answer as a fraction with a denominator of 56
The number of photos from Julia dance class = 5/7 or 40/56 photos.
We shall use mathematical operations to calculate the photos that are of Julia dance class
How do we use mathematical operations to calculate the photos?Five sevenths of the images are photos from dance class, meaning that 5/7 x 56 = 40 photos from dance class.
We express the answer as a fraction with a denominator of 56 like this:
Number of photos / Total number of photos = 40/56
Number of photos from dance class / Total number of photos = 5/7
Therefore, the fraction of photos that are of Julia dance class (as a fraction with a denominator of 56) = 5/7 or 40/56.
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what’s the answer bro what is the answer
Answer:
7
Step-by-step explanation:
a= a+b/2*h
WHAT IS THE RANGE OF 28 42 36 23 14 47 40
Answer:
33
Step-by-step explanation:
To solve for the range, simply subtract the largest-value term from the smallest-value term. First, set all numbers from least to greatest:
14 , 23 , 28 , 36 , 40 , 42 , 47
The smallest term is 14.
The largest term is 47.
Subtract 47 with 14:
[tex]47 - 14 = 33[/tex]
The given range value will be 33.
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Need help easy please give right answer
Answer: x < 5, see attached
Step-by-step explanation:
To solve for x, we will isolate the given variable.
Given:
[tex]\displaystyle 1 > \frac{x}{5}[/tex]
Multiply both sides of the equation by 5:
[tex]\displaystyle5 > x[/tex]
Flip equation:
[tex]\displaystyle x < 5[/tex]
To graph, we will first plot a point on 5 with an open circle. Then, we will shade to the left since x is less than 5. See attached.
Luciana bought a total of 7 textbooks at the bookstore. She bought four more textbooks than journals. How many journals did she buy
Abby is collecting data for her science fair project about nutrition. She gathers data about the number of grams of fat and the number of calories in a serving of fruit.
Describe patterns in the data
There is no association between the number of fat grams and the number of calories because there are no outliers or clusters.
What does no association mean ?To make this clear, when we claim that there is no correlation between two variables, it indicates a lack of comprehensible patterns or connections. Put another way, adjustments in one factor do not seem to impact the other.
In relation to the inquiry at hand, if fat grams and calorie figures have no notable outliers or groupings, there might be an inference that these two variables are not related.
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6. It takes Ms. Singleton 36 minutes to get ready
for school. This is 4 times as long as it takes Ms.
Mullaney to get ready for school. How long does
it take Ms. Mullaney to get ready for school?
(1 point) (a) Find a vector parametric equation for the part of the saddle = z = x y inside the cylinder 2+2=9 x 2 + y 2 = 9 .
Three cakes are sliced into 20 pieces each. Each cake contains 1 gold ring What is the
probability one person who eats one piece of cake from each of the 3 cakes will find 3 gold
rings?
Answer:
1/60
Step-by-step explanation:
For each cake, there is a 1/20 chance to find the gold ring since it is in one of the 20 slices. The probability for each cake is independent of each other, so we multiply
1/20 x 1/20 x 1/20
=1/60
If m varies jointly as p and the square root of w and m=21 when p=5 and w=36, find m when p=9 and w=225
When p = 9 and w = 225, the value of m is 94.5
How to find the value of m?We know that m varies jointly as p and the square root of w, then we can write.
m = k*p*√w
Where k is a constant.
We know that m=21 when p=5 and w=36, replacing that we will get:
21 = k*5*√46
21 = k*30
21/30 = k
7/10 = k
Then the equation is:
m = (7/10)*p*√w
Then when p = 9 and w = 225 we will have:
m = (7/10)*9*√225
m = 94.5
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The market mechanism might leave some people with too little income and others with too much. The government uses taxes and transfers to redistribute income more fairly.
Income Transfers are payments to individuals for which no current goods or services are exchanged (e.g., Social Security, welfare, unemployment benefits).
Program Recipient Group Number of Recipients Value of Transfers
Social Security Retired and disabled workers 70 million $ 1,156 billion
Medicare Individuals over age 65 61 million $ 820 billion
Medicaid Medically needy individuals 77 million $ 650 billion
Unemployment compensation Unemployed workers 18 million $ 150 billion
Food stamps Low-income households 43 million $ 105 billion
Earned Income Tax Credit Low-wage workers 25 million $ 62 billion
Temporary Aid to Needy Families Low-income families 3 million $ 30 billion
Calculate the average benefit a Medicaid recipient receives.
Instructions: Round your response to the nearest dollar.The market mechanism might leave some people with too little income and others with too much. The government uses taxes and transfers to redistribute income more fairly.
Income Transfers are payments to individuals for which no current goods or services are exchanged (e.g., Social Security, welfare, unemployment benefits).
Program Recipient Group Number of Recipients Value of Transfers
Social Security Retired and disabled workers 70 million $ 1,156 billion
Medicare Individuals over age 65 61 million $ 820 billion
Medicaid Medically needy individuals 77 million $ 650 billion
Unemployment compensation Unemployed workers 18 million $ 150 billion
Food stamps Low-income households 43 million $ 105 billion
Earned Income Tax Credit Low-wage workers 25 million $ 62 billion
Temporary Aid to Needy Families Low-income families 3 million $ 30 billion
Calculate the average benefit a Medicaid recipient receives.
Instructions: Round your response to the nearest dollar.
Taxes and transfers are used by the government to more equitably share revenue. A Medicaid participant typically receives $1500 in benefits.
We know that,
Medicare is a health insurance program for seniors, disabled individuals under 65, and dialysis patients. Medicaid is a program that provides financial aid for low-income patients' medical costs.
The federal government and the states share funding for the Medicaid program. The amount that the federal government reimburses states for program costs is known as the Federal Medical Assistance Percentage, or FMAP (FMAP).
Spending on Medicaid is mostly targeted at the elderly and those with disabilities. Despite accounting for over two-thirds of Medicaid spending, seniors and individuals with disabilities make up one in four beneficiaries, which reflects the high per-enrollee expenses for both acute and long-term care.
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Lily Starbright, a singer-songwriter, released her first album at the beginning of March. By the
end of March, she had sold 1,040 copies. In April, she sold 1,352 copies. Several of the songs
on the album are now trending, so Lily expects her sales to continue to increase.
Write an exponential equation in the form ya(b) that can model the expected monthly
number of albums sold, y, x months after release.
Answer: 1040
Step-by-step explanation: y=ab
The exponential equation is: y = 1040(1.3^x)
How to solve
Calculate the value of y, which stands for the albums sold, and x represents the months passed from their release. For an exponential equation structured as y = a(b^x), identify the base b to solve it mathematically.
By analyzing the last month after launch, known as March, 1040 copies were made available for public consumption. One month further down the line, in April, the gross profit jumped up to 1352 units sold.
When we divide the copies traded throughout April by those resold in March, the value identifies the base:
b=1352/1040 ≈ 1.3
Thus, applying the coefficient a for the initial sales registered during March - totaling 1,040 copies - leads us to define the following form for our equations:
y = 1040(1.3^x)
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FOUR CARS CRASH AT 5 MILES AN HOUR. Cost of the repairs are 422, 456, 401, and 215
COMPUTE RANGE
SAMPLE VARIANCE,
AND SAMPLE STANDARD DEVIATION
The range of the repairs to the cars is 241.
The sample variance is 11, 671.33
The sample standard deviation would be 108.03.
How to find the range ?Range = Maximum repair cost - Minimum repair cost
= 456 - 215
= 241
How to find the sample variance and standard deviation ?Find mean :
= (422 + 456 + 401 + 215) / 4
= 373. 5
Sample variance :
= Sum of ( each repair cost - mean ) ² / (Number of cars - 1)
= ( 2, 340.25 + 6, 812.25 + 756.25 + 25, 105.25 ) / ( 4 - 1 )
= 11, 671. 33
Sample standard deviation:
= √sample variance
= √11, 671. 33
= 108. 03
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MA.912.G.6.6 Benchmark Pre-Test (Multiple Choice) answers
Where the information relating to the circle and its diameter are given, the equation of the circle would be: "(x 5)² + y2 = 81" (Option B)
Why is this so?The above is determined by the standard form equation of a circle which is:
(x- h) ² + (y - k)² = r²
Here,
(h, k) is the center of the circle and r is the radius
In this case, the center is (-5 , 0) and the diameter is 18, so the radius is half the diameter, whic is 18/ 2 = 9
So making the required substitutions, the expression becomes:
(x-(-5))² + (y-(0))² = 9²
Which becomes
(x 5)² + y2 = 81
Thus, it is correct to state that Option B is the equation of the circle.
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Full Question:
Although part of your question is missing, you might be referring to this full question:
The center of a circle is at (-5, 0), and the diameter of the circle is 18. Which of the following is the equation of the circle?
A. (x 5)² + y = 9
B. (x 5)² + y2 = 81
C. (x 5)² + y2 = 9
D. (x 5)² + y2 81
Happy Motor® is a company producing specialty vehicles. The company operates
several departments and each of the department is responsible for building a particular
type of vehicles, including large transport trucks, mini-bus, race car, motorcycle... etc.
Happy Motor® wants to create a database to keep track the orders to improve the
purchase and deliver process.
Each vehicle requires at least one or more different specific components, and each
department makes order to buy the components from the vendors. The vendors may
provide more than one type of the components.
All the orders are handled by the purchasing department. Each order may contain of
several different components, but all components should be come from the same vendor.
The quantity for each component requested may be different If the components needed
by the department are come from different vendors, the department need to place one
order per vendor. Each component is provided by a specified vendor.
To provide the frequently requested components immediately, an inventory is
maintained. That means the quantity on hand (QOH) for each component is recorded.
When an order comes in, it is checked to determine whether the requested component
is in inventory. If a component is not in inventory, it must be ordered from a vendor.
For each department, department code, name and email are recorded. For each order,
order number, date and total amount are recorded. For each component, component
code, name and price are recorded. Some components may not have been ordered by
any departments yet. For each vendor, vendor code, name and email are recorded. Some
vendors are newly introduced and has no order or component provided.
Given that functional description of the processes encountered at Happy Motor®
purchasing department, create the appropriate fully attributed Crow's Foot ERD.
I am not able to create visual content such as an ERD diagram, but I can guide you through the process of creating an ERD for Happy Motor's purchasing department based on the functional description provided.
First, let's identify the entities in the description:
Department (with attributes: department code, name, email)
Vehicle Type (which is produced by each department)
Component (with attributes: component code, name, price)
Vendor (with attributes: vendor code, name, email)
Order (with attributes: order number, date, total amount)
Next, let's identify the relationships between the entities:
Each department produces one or more types of vehicles
Each vehicle type requires at least one or more different specific components
Each department makes orders to buy components from vendors
Each vendor provides one or more types of components
Each order contains several different components, but all components should be from the same vendor
Each component is provided by a specified vendor
An inventory is maintained to keep track of the quantity on hand (QOH) for each component
Based on these relationships, we can create an ERD with the following entities and relationships:
Department (department code, name, email) with a one-to-many relationship with Vehicle Type
Vehicle Type (vehicle type code, name) with a many-to-many relationship with Component
Component (component code, name, price) with a many-to-one relationship with Vendor
Vendor (vendor code, name, email) with a one-to-many relationship with Component and Order
Order (order number, date, total amount) with a many-to-many relationship with Component
To show the inventory relationship, we can add an attribute to the Component entity for QOH.
Note that this is just a general outline of the ERD, and there may be additional details that need to be considered based on the specific requirements of Happy Motor's purchasing department.
To represent the inventory maintained for each component, the Component entity would have an attribute for quantity on hand (QOH).The ERD for Happy Motor® purchasing department would have the following entities and relationships:
Entities:
1. Department - with attributes: department code (PK), name, email
2. Vehicle Type - with attributes: type code (PK), name
3. Component - with attributes: component code (PK), name, price
4. Vendor - with attributes: vendor code (PK), name, email
5. Order - with attributes: order number (PK), date, total amount
Relationships:
1. Department orders Component - one-to-many (1:N) relationship between Department and Component
2. Component belongs to Vehicle Type - many-to-one (N:1) relationship between Component and Vehicle Type
3. Component is provided by Vendor - many-to-one (N:1) relationship between Component and Vendor
4. Order contains Component - many-to-many (M:N) relationship between Order and Component
5. Order is placed by Department - many-to-one (N:1) relationship between Order and Department
6. Order is placed with Vendor - many-to-one (N:1) relationship between Order and Vendor
Additionally, to represent the inventory maintained for each component, the Component entity would have an attribute for quantity on hand (QOH).
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Lois is planning to retire from her job. She has been working there for 27 years. If she retires this year, her monthly pension will be calculated with a flat benefit formula using the flat amount of $52 for each year of
service. She was informed that if she works another 4 years that the flat amount would increase to $60 for each year of service. How much more would her pension be if she waited the 4 years?
If Lois is retiring from her job after 27 years, then if she waited for 4 years, her pension will be $38 higher than if she retires this year.
If Lois retires this year, the flat-amount is $52, So, her monthly pension can be calculated as follows;
⇒ Monthly pension = (52 × 27)/12,
⇒ Monthly pension = $117,
If Lois works for another 4 years, the flat amount used to calculate her monthly pension will increase to $60 for each year of service.
So, her monthly pension will be calculated as follows:
⇒ Monthly pension = (60 × 31)/12,
⇒ Monthly pension = $155,
So, The difference in monthly pension between retiring this year and retiring after working another 4 years can be calculated as follows:
⇒ Difference in monthly pension = $155 - $117,
⇒ Difference in monthly pension = $38,
Therefore, if Lois waits another 4 years before retiring, her monthly pension will be $38 higher than if she retires this year.
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Given the vectors a and b. sketch the vector a+b
The resultant of the two vectors or the sum of the two vector is equal to the diagonal of parallelogram.
What is parallelogram law of vector addition?
Parallelogram law of vector addition states that if two vectors are represented in magnitude and direction by the adjacent sides of a parallelogram, the diagonal of the parallelogram drawn from the point of intersection of the vectors represents the resultant vector in magnitude and direction.
For the given vector a, and vector, the resultant of the two vector is calculated as;
-----------> a and --------------->b = a + b
The diagram represents the addition of the two vectors, a and b;
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A set of data items is normally distributed with a mean of 500. Find the data item in this distribution that corresponds to the given z-score. z = -3, if the standard deviation is 80.
Answer:
260
Step-by-step explanation:
The z score for a normal distribution is given by the formula
[tex]z = \dfrac{X-\mu}{\sigma}[/tex]
where
X is the data point, μ is the mean and σ is the standard deviation
Given
Mean μ = 500
Standard deviation σ = 80
z-score = -3
and plugging in these values for z-score formula we get
[tex]-3 = \dfrac{X -500}{80}[/tex]
==>
-240 = X - 500
-240 + 500 = X
260 = X
or
X = 260
Last week, the value of an investment changed at a rate of -\$ 3.15−$3.15 each day. After how many days was the total charge in $ 12.60?−$12.60?
Based on the rate of change, the total charge will be $ 12.60 in 4 days
After how many days was the total charge in $ 12.60?From the question, we have the following parameters that can be used in our computation:
Rate of change of investment = $3.15
Value of the investment = $12.60
Using the above as a guide, we have the following:
Number of days = Value of the investment/Rate of change of investment
Substitute the known values in the above equation, so, we have the following representation
Number of days = 12.60/3.15
Evaluate
Number of days = 4
Hence, the number of days is 4
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The histograms display the frequency of temperatures in two different locations in a 30 day period. A histogram titled “Temps in Desert Landing” with When comparing the data, which measure of variability should be used for both sets of data to determine the location with the most consistent temperature?
The measure of variability that should be used for both sets of data to determine the location with the most consistent temperature is:
Range, because Flower Town is symmetric
How to Interpret the Histogram?A histogram is a visual representation of statistical data that makes use of rectangles to illustrate the frequency of data points over a range of successive numerical intervals of equal width. The independent variable and dependent variable are plotted along the horizontal axis and the vertical axis, respectively, in the most typical type of histogram.
Now, from the given histograms, we can see that Desert landing is skewed while Flower town is symmetrical entirely.
Thus, The measure of variability that should be used for both sets of data to determine the location with the most consistent temperature is:
Range, because Flower Town is symmetric
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what is the value of t
Which set of ordered pairs gives the polygon shown?
(-4.2), (-4, -5), (1.5, -5), (1.5, 2)
(1.5, 2), (1.5, -4.5), (-4.5, -4), (2, -4)
(-4, -4.5), (-4.5, 1.5), (1.5, 2), (-4, 2)
(1.5, -4.5), (-4, -4.5), (-4, 2), (1.5, 2)
The points of the polygon are:
(1.5, 2)
(-4, 2)
(-4, -4.5)
(1.5, -4.5)
Option D is the correct answer.
We have,
From the coordinate plane,
There are 4 points that form the polygon,
The points are all in ordered pairs.
So,
(1.5, 2)
(-4, 2)
(-4, -4.5)
(1.5, -4.5)
Thus,
The points of the polygon are:
(1.5, 2)
(-4, 2)
(-4, -4.5)
(1.5, -4.5)
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pls help ............ explain
Answer:
Step-by-step explanation:
8, 40, 200, ...
Find the 10th term.
Answer: 15,625,000
Step-by-step explanation: x5, 8, 40, 200, 1,000, 5,000, 25,000, 125,000, 625,000, 3,125,000, 15,625,000
Triangle LMN is an obtuse triangle with l = 6, n = 8.3, and m∠M = 132°. What is the area of ΔLMN?
The area of triangle LMN is 49.61 square units.
We have,
To find the area of triangle LMN.
Area = (1/2) x base x height
where the base and height are the sides of the triangle perpendicular to each other.
First, we need to find the length of side L.
We can use the Law of Cosines.
L² = M² + N² - 2MNcos(132°)
L² = 6² + 8.3² - 268.3cos(132°)
L² = 36 + 68.89 + 99.36
L² = 204.25
L = √204.25
L = 14.28
Now that we know the length of the base of the triangle, we can find the height by dropping a perpendicular from vertex M to side LN.
Since triangle LMN is obtuse, the perpendicular will fall outside of the triangle.
Let's call the foot of the perpendicular point P.
Since M∠M is 132°, we can find the measure of the acute angle ∠LMP:
M∠LMP = 180° - M∠M
M∠LMP = 180° - 132°
M∠LMP = 48°
We can use trigonometry to find the length of MP:
tan(48°) = h/6
h = 6 x tan(48°)
h = 6.93
The area of triangle LMN is:
Area = (1/2) x base x height
Area = (1/2) x 14.28 x 6.93
Area ≈ 49.61
Thus,
The area of triangle LMN is 49.61 square units.
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Hurry up (time limit )
State the domain and range and tell if the graph is a function yes or no?
What’s the domain and range?
In this problem, we have that the graph in fact represents a function, as there are no vertically aligned points, that is, each input is mapped to a single output.
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PLEASE LOOK AT PICTURE
The numeric ratio of the segment ratio are:
CD: DB | √5:10 | part:partCE: CA | 2:10 | part:wholeDE: BA | 1:5 | part:partCD: CB | √5:√181 | part:wholeHow to find numeric ratio?To find the numeric ratios of the given segment ratios, to calculate the distances between the given points.
CD: DB
The distance between C(6,2) and D(4,3) is:
CD = √[(6 - 4)² + (2 - 3)²] = √5
The distance between D(4,3) and B(-4,7) is:
DB = √[(4 + 4)² + (3 - 7)²] = 10
Therefore, the numeric ratio of CD:DB is:
CD:DB = √5:10
CE: CA
The distance between C(6,2) and E(4,2) is:
CE = √[(6 - 4)² + (2 - 2)²] = 2
The distance between A(-4,2) and C(6,2) is:
CA = √[(-4 - 6)² + (2 - 2)²] = 10
Therefore, the numeric ratio of CE:CA is:
CE:CA = 2:10
DE: BA
The distance between D(4,3) and E(4,2) is:
DE = √[(4 - 4)² + (3 - 2)²] = 1
The distance between B(-4,7) and A(-4,2) is:
BA = √[(-4 + 4)² + (7 - 2)²] = 5
Therefore, the numeric ratio of DE:BA is:
DE:BA = 1:5
CD: CB
The distance between C(6,2) and D(4,3) is:
CD = √[(6 - 4)² + (2 - 3)²] = √5
The distance between C(6,2) and B(-4,7) is:
CB = √[(6 + 4)² + (2 - 7)²] = √181
Therefore, the numeric ratio of CD:CB is:
CD:CB = √5:√181
Based on the numeric ratios, determine the type of ratio for each segment ratio:
CD: DB is a part:part ratio
CE: CA is a part:whole ratio
DE: BA is a part:part ratio
CD: CB is a part:whole ratio
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on the map , a line of length 5cm represents 40km, how many kilometers would a line of length 7 1/2 cm represents
Two sets of data have the same measures of central tendency. Are the data sets the same? Explain.
Sample Response/ Explanation: The data sets could be the same, but not necessarily. It is possible for data sets to differ in their spread but still have the same measures of center. The measures of spread could be different.
The data sets could be the same, but not really. It is possible for the data sets to differ in their spread but still have the same measures of center. The measures of spread could be different though.