Answer:
The length will be multiplied by 2.
Step-by-step explanation:
By looking at the first and third ratio, we know that the no. of birck have been multiplied by 2 and the length has also been multiplied by 2 .
So when the number of bricks is multiplied by 2, the length is multiplied by 2
Answer:
2Step-by-step explanation:
Using the table we observe the points
(6, 3) and (12, 6)The number of bricks doubled
6*2 = 12, andThe length is doubled accordingly
3*2 = 6So the answer is 2
find the factors of 2x^3+x^2-13x+6.
Answer: The factors would be 1 and 2.
Step-by-step explanation:
I hope that helps!! Please correct me if I am wrong and have a great day!!
HELP ME PLEASE!!!!!!!!
Answer:
I think th answer is either 1753 or 17
Using trend line equation, if (a)-50 and (b)=20 for a sequential data set from year 2015 to year 2020, the forecast of year 2024 will be a. 220 b. 250 c. 500 d. 410
The forecast of year 2024 will be 310. so, the correct option is D.
Given data:
a)-50 and (b)=20
y = a +bx......(1)
x = (2024 - 2017.5)/1/2 = 13
Plugging the value in equation (1).
y = 50 + (20)(13) = 310
Therefore, the forecast of year 2024 will be 310.
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Circle whether the point is a solution to the inequality. Show work to support the answer.2x + 3y > -8 is (-6,2) a solution?Yes/ No
I need help on this question
Answer:
25.981 seconds
Step-by-step explanation:
because X represents the magnitutde of falling height substitute 1200 into the original equation and you will find the above answer
B
E
3
3
A
4
с
D
F
4
Enter the length of curve DE given that the curve is 5% longer than line
segment AB.
The length of curve DE, which is 5% longer than line segment AB, is 10.5 units.
To calculate the length of curve DE, we first need to determine the length of line segment AB. Let's say, for example, that line segment AB has a length of 10 units. To find the length of curve DE, we need to add 5% of line segment AB's length to line segment AB.
To calculate 5% of line segment AB's length, we can multiply the length of line segment AB by 0.05. This gives us:
5% of 10 = 0.05 x 10 = 0.5
So, 5% of line segment AB's length is 0.5 units. To find the length of curve DE, we need to add 0.5 units to the length of line segment AB. This gives us:
Length of curve DE = Length of line segment AB + 5% of Length of line segment AB
= 10 + 0.5
= 10.5 units
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Complete Question:
You are trying to help Matt understand the concept of a 5% slack in the line. You explain that having a 5% slack means that the length is 5% longer than it would be if it were completely straight. You compare ABC to Figure DEF, where curve DE is 5% longer than line segment AB.
Enter the length of curve DE given that the curve is 5% longer than line segment AB.
what do i put in the blank ?
Answer:
Slope: 3
Y-intercept: -1
Linear equation: y=3x-1
please help!!
<RQT is a straight angle. What are m<RQS and m<TQS?
angle RQS = 101 degrees
angle TQS = 79 degrees
===================================================
Explanation:
A straight angle has a measure of 180 degrees. It's another way of saying "straight line".
The two angles shown add to 180.
We'll use this fact to solve for x.
(angleRQS) + (angleTQS) = angle RQT
(9x+2) + (7x+2) = 180
16x+4 = 180
16x = 180-4
16x = 176
x = 176/16
x = 11
Use this x value to determine the angles we're after.
angle RQS = 9x+2 = 9*11+2 = 99+2 = 101 degreesangle TQS = 7x+2 = 7*11+2 = 77+2 = 79 degreesCheck:
(angleRQS) + (angleTQS) = 101+79 = 180 which confirms the answer is correct.
a compressor has a bore of 8 centimeters and a stroke of 10 centimeters. what is the displacement of the compressor?
The displacement of the compressor is 628 cubic centimeters. Other factors that affect the performance of a compressor include its operating pressure, flow rate, efficiency, and power consumption.
To find the displacement of the compressor, we need to use the formula:
Displacement = (pi/4) x bore^2 x stroke
Here, the bore is 8 centimeters and the stroke is 10 centimeters. So, substituting these values in the formula, we get:
Displacement = (pi/4) x 8^2 x 10
Displacement = (3.14/4) x 64 x 10
Displacement = 628.32 cubic centimeters
A compressor is a mechanical device that is used to increase the pressure of a gas or air by reducing its volume. It works by compressing the gas or air in a cylinder and then transferring it to a storage tank or other equipment. The displacement of a compressor is a measure of the volume of gas or air that is displaced or compressed during one complete cycle of the compressor. Therefore, the displacement of the compressor is 628 cubic centimeters. This means that during one complete cycle of the compressor, it displaces or compresses 628 cubic centimeters of gas or air. The displacement is an important parameter of a compressor, as it determines its capacity or the amount of gas or air that it can compress in a given time.
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The displacement of the compressor is 160π cubic centimeters.
Explanation:To find the displacement of the compressor, we first need to understand what displacement means. Displacement is the change in position of an object in a specific direction. In this case, the compressor has a bore of 8 centimeters and a stroke of 10 centimeters. The displacement of the compressor can be calculated as the product of the bore area (πr^2) and the stroke length.
First, we need to find the radius of the bore. Since the diameter is 8 centimeters, the radius would be half of that, which is 4 centimeters.Now, we can calculate the displacement by multiplying the bore area (πr^2) and the stroke length. The bore area is π(4^2) and the stroke length is 10 centimeters. Plugging in these values, we get:Displacement = π(4^2) * 10 = 16π * 10 = 160π cubic centimeters.
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LaDawn needed wire for her Halloween wreath. How many 1/4 inch pieces can be cut from a piece of wire that is 5/8 inches long?
The length of each piece of wire is 2.5 inches.
What are fractions?Fractions are used to depict the components of a whole or group of items. Two components make up a fraction. The numerator is the number that appears at the top of the line. It specifies how many identically sized pieces of the entire event or collection were collected. The denominator is the quantity listed below the line. The total number of identical objects in a collection or the total number of equal sections that the whole is divided into are both displayed. A fraction can be expressed in one of three different ways: as a fraction, a percentage, or a decimal. The first and most popular way to express a fraction is in the form of the letter ab. Here, a and b are referred to as the numerator and denominator, respectively.
Let the number of pieces = x
The length of the wire = 5/8 inches
The length of one piece of wire = 1/4 inch
According to the question,
1/4 x = 5/8
So, x = 5/8 × 4
x = 20/ 8
x = 5/2
x = 2.5 inch
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Are these triangles similar, congruent or neither? What theorem supports your answer?
options:
Similar: SAS
Similar: HL
Similar: AA
Congruent: SAS
Congruent: HL
Congruent: SSS
Neither
Answer:
The triangles are not similar because
12/24 is not equal to 3/5.
"Neither" is the correct answer.
A box plot is a representation of data in which we divide the data into 4 quarters. The five key features (five-number summary) are the minimum, lower
The five-number summary includes the minimum value, lower quartile (Q1), median, upper quartile (Q3), and maximum value. The interquartile range (IQR) is calculated as the difference between the third and first quartiles: IQR = Q3 - Q1.
A box plot is a graphical representation of numerical data that displays the five-number summary of a dataset, which includes the minimum and maximum values, the lower and upper quartiles, and the median. The box portion of the plot represents the middle 50% of the data, with the lower and upper edges of the box representing the first and third quartiles, respectively. The distance between the first and third quartiles is known as the interquartile range (IQR), which is a measure of the spread of the middle 50% of the data. The box plot is useful for identifying outliers and visualizing the overall distribution of the data.
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Complete question:
Box Plot laximum value A box plot is a representation of data in which we divide the data into 4 quarters. The five key features (fivenumber summary ) are the minimum, lower quartile, median, upper quartile and the maximum. The interquartile range (IQR ) is found by Q⁽³⁾ - Q⁽¹⁾.+
The weight of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 12.5 ounces and a standard deviation of 0.2 ounce. What proportion of the 12-ounce bags contain more than the advertised 12 ounces of chips
The proportion of 12-ounce bags that contain more than the advertised 12 ounces of chips is 0.
The proportion of 12-ounce bags that contain more than the advertised 12 ounces of chips can be determined by finding the area under the normal distribution curve to the right of the mean.
To find this proportion, we can use the z-score formula:
z = (x - mean) / standard deviation
In this case, we want to find the proportion of bags that contain more than 12 ounces, so x = 12 ounces.
z = (12 - 12.5) / 0.2
z = -2.5 / 0.2
z = -12.5
Next, we need to find the cumulative probability associated with the z-score. We can use a standard normal distribution table or a calculator to find this probability.
Looking up the z-score of -12.5 in the table or using a calculator, we find that the cumulative probability is approximately 0.
Therefore, the proportion of 12-ounce bags that contain more than the advertised 12 ounces of chips is 0.
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boy can mow a lawn in 90 minutes and his sister can mow the same lawn in 60 minutes. how long will it take for both mowing at the same time to mow the lawn?
The time taken by both to mow the lawn is 36 minutes.
This is a question of time and work.
It is given that:-
Time taken by boy to mow the loan = 90 minutes.
Time taken by girl to mow the loan = 60 minutes.
We have to find the time taken by both of them together to mow the lawn.
LCM(60,90) = 180
Let the total work to be done to mow the lawn be 180 units.
Hence,
Efficiency of boy = 180/90 = 2 units
Efficiency of girl = 180/60 = 3 units
Total efficiency = 2 + 3 = 5 units.
Hence, time taken by both of them to mow the lawn = 180/5 = 36 minutes.
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a new table needs to be added to the sports physical therapy database to track which sports the patients are playing. this data will be used to analyze the results of the therapies. assuming that many patients play multiple sports, how would you design the table?
To design the table, you could create a "Sports" table and a "Patient-Sport" table with the following fields:
Sports table: Patient-Sport table:
SportID (primary key) PatientID (foreign key)
SportName SportID (foreign key)
What do you mean by database?A database is a collection of organized data stored and retrieved electronically. It is designed to allow efficient storage, retrieval, manipulation, and management of large amounts of data. Databases can be used to store information such as text, numbers, images, and other media. The data in a database is typically organized into tables, which are made up of rows and columns. Each row represents a single record, and each column represents a field of information within that record. There are many different types of databases, including relational databases, NoSQL databases, and in-memory databases, and they are used in a wide range of applications, such as online retail, finance, healthcare, and more.
The Patient-Sport table is used to connect the patient to the sport they are playing. This allows for multiple sports to be assigned to a single patient. In this way, you can track the sports played by each patient, while still maintaining the relationships between the patient and their data in the other tables.
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What is the common difference for this arithmetic sequence?
-6-1,49, 14...
The common difference for the arithmetic sequence in the task content is; -5.
What is the common difference of the arithmetic sequence?The common difference of the sequence which is arithmetic can be evaluated as the difference between each successive term.
Hence, it follows that the common difference is;
-1-(-6) = 4-(-1) = 9-4 = 5.
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comparing descriptive statistics for numeric fields within the data is an example of which of the following?
Comparing descriptive statistics for numeric fields within the data is an example of quantitative analysis.
This type of analysis involves the use of numerical data to draw conclusions and make decisions. Descriptive statistics, such as measures of central tendency and variability, provide a summary of the data and can be used to identify patterns or trends. By comparing these statistics across different variables, researchers can gain insights into relationships between variables and make predictions about future outcomes. Overall, quantitative analysis is an important tool for understanding and interpreting complex data sets. Comparing descriptive statistics for numeric fields within the data is an example of "Exploratory Data Analysis (EDA)." EDA involves summarizing, visualizing, and analyzing datasets to extract meaningful insights and understand underlying patterns or trends. This process helps in making informed decisions and supports further statistical or predictive modeling.
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solve. minimize: w=35y1 72y2 65y3 subject to: with: write only the exact value for . do not round. if necessary, write as a fraction o
The solution to the equation is y₂ = -13.51.
To find the exact value of y₂ without rounding, we will use the method of corner points. This method involves finding the corner points of the feasible region and evaluating the objective function at each corner point to determine the optimal solution.
Step 1: Setting up the inequalities:
Let's rewrite the constraints with variables in terms of a fraction:
Constraint 1: 5y₁ + 9y₂ + 4y₃ < 15 ... (1)
Constraint 2: 5y₁ + 18y₂ + 2y₃ > 8 ... (2)
Step 2: Solving for y₂:
To solve for y₂, we will express y₂ in terms of the other variables in the constraints.
From constraint (1), we have:
5y₁ + 9y₂ + 4y₃ < 15
9y₂ < 15 - 5y₁ - 4y₃
y₂ < (15 - 5y₁ - 4y₃)/9
From constraint (2), we have:
5y₁ + 18y₂ + 2y₃ > 8
18y₂ > 8 - 5y₁ - 2y₃
y₂ > (8 - 5y₁ - 2y₃)/18
Step 3: Analyzing the constraints:
Now we have the inequalities for y₂ in terms of y₁, y₃, and constants. Let's examine the conditions to satisfy the constraints:
y₂ > (8 - 5y₁ - 2y₃)/18 ... (3)
y₂ < (15 - 5y₁ - 4y₃)/9 ... (4)
Considering the constraints y₁ > 0, y₃ > 0, and y₂ > 0, we need to find the range of values for y₁ and y₃ that satisfy these inequalities.
Analyzing the inequalities:
Let's examine the intervals for y₁ and y₃ that satisfy the constraints:
From inequality (3):
y₂ > (8 - 5y₁ - 2y₃)/18
For y₁ > 0 and y₃ > 0, the numerator 8 - 5y₁ - 2y₃ should be positive to maintain y₂ > 0.
Simplifying the numerator:
8 - 5y₁ - 2y₃ > 0
8 > 5y₁ + 2y₃
This implies that 5y₁ + 2y₃ < 8.
From inequality (4):
y₂ < (15 - 5y₁ - 4y₃)/9
For y₁ > 0 and y₃ > 0, the numerator 15 - 5y₁ - 4y₃ should be positive to maintain y₂ > 0.
Simplifying the numerator:
15 - 5y₁ - 4y₃ > 0
15 > 5y₁ + 4y₃
This implies that 5y₁ + 4y₃ < 15.
Step 5: Finding the corner points:
To find the corner points, we need to determine the intersection of the lines 5y₁ + 2y₃ = 8 and 5y₁ + 4y₃ = 15.
Solving the system of equations:
5y₁ + 2y₃ = 8 ... (5)
5y₁ + 4y₃ = 15 ... (6)
Multiplying equation (5) by 2, we get:
10y₁ + 4y₃ = 16 ... (7)
Subtracting equation (6) from equation (7):
(10y₁ + 4y₃) - (5y₁ + 4y₃) = 16 - 15
5y₁ = 1
Dividing both sides by 5:
y₁ = 1/5
Substituting y₁ = 1/5 into equation (5):
5(1/5) + 2y₃ = 8
1 + 2y₃ = 8
2y₃ = 8 - 1
2y₃ = 7
y₃ = 7/2
Therefore, one corner point is (y₁, y₂, y₃) = (1/5, ?, 7/2).
Step 6: Evaluating the objective function:
Now, let's evaluate the objective function at the corner point (1/5, ?, 7/2) to find the value of y₂.
Substituting the corner point into the objective function:
w = 35y₁ + 72y₂ + 65y₃
w = 35(1/5) + 72y₂ + 65(7/2)
w = 7 + 72y₂ + 2275/2
w = 7 + 72y₂ + 1137.5
w = 1144.5 + 72y₂
172 = 1144.5 + 72y₂
Let's start by subtracting 1144.5 from both sides of the equation:
172 - 1144.5 = 1144.5 + 72y₂ - 1144.5
This simplifies to:
-972.5 = 72y₂
To isolate y₂, we can divide both sides of the equation by 72:
-972.5 / 72 = 72y₂ / 72
Simplifying further:
-13.51 = y₂
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Complete Question:
Solve. Minimize: w = 35y₁ + 72y₂ +65y₃
Subject to: 5y₁ +9y₂ + 4y₃ < 15
5y₁ + 18y₂ + 2y₃ > 8
With: y₁ > 0; y₂ > 0; y₃ > 0
Write only the exact value for y₂.
Do not round. If necessary, write as a fraction or improper fraction. Show your work on separate paper.
i need help ASAP pls make sure to show your work.
Answer:
Step-by-step explanation:
2) 6.230 (3.115
6
0 2
- 2
0 3
- 2
1 0
-1 0
0
125) 6000 (4.8 ( on multiplying numerator and denominator by 100)
-500
1000
-1000
0
Hip traveled 150 nautical miles in 6 hours at a constant speed. How far did the cargo ship travel in one hour?.
Answer:
25 nautical miles
Step-by-step explanation:
150/6=25
Please help ASAP
Extra 500 points and brainliest
Answer:
3
Step-by-step explanation:
Only answer that remotely gets close to the chart.
Answer:
Step-by-step explanation:
(3) only answer closest
a study of 90 randomly selected families, 40 owned at least one television. find the 95% confidence interval for the true proportion of families that own at least one television.
The 95% confidence interval for the true proportion of families that own at least one television is (0.347, 0.542).,
How do we calculate ?The formula for the confidence interval of a proportion:
CI = p ± z* (√(p*(1-p)/n))
where:
p is the sample proportion (40/90 = 0.4444)
z* is the critical value of the standard normal distribution at the 95% confidence level (1.96)
n is the sample size (90)
Substituting the values, we have
CI = 0.4444 ± 1.96 * (√(0.4444*(1-0.4444)/90))
CI = 0.4444 ± 1.96 * (√(0.00245))
CI = 0.4444 ± 1.96 * 0.0495
CI = 0.4444 ± 0.097
Hence, the 95% confidence interval for the true proportion of families that own at least one television is (0.347, 0.542) when rounded to three decimal places.
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Air is being pumped into a spherical balloon at the rate of 7 cm³/sec. What is the rate of change of the radius at the instant the volume equals 36n cm³ ? The volume of the sphere 47 [7] of radius r is ³.
the rate of change of the radius at the instant the volume equals 36π cm³ is 7 / (36π) cm/sec.
The volume V of a sphere with radius r is given by the formula V = (4/3)πr³. We are given that the rate of change of the volume is 7 cm³/sec. Differentiating the volume formula with respect to time, we get dV/dt =(4/3)π(3r²)(dr/dt), where dr/dt represents the rate of change of the radius with respect to time.
We are looking for the rate of change of the radius, dr/dt, when the volume equals 36π cm³. Substituting the values into the equation, we have: 7 = (4/3)π(3r²)(dr/dt)
7 = 4πr²(dr/dt) To find dr/dt, we rearrange the equation: (dr/dt) = 7 / (4πr²) Now, we can substitute the volume V = 36π cm³ and solve for the radius r: 36π = (4/3)πr³
36 = (4/3)r³
27 = r³
r = 3 Substituting r = 3 into the equation for dr/dt, we get: (dr/dt) = 7 / (4π(3)²)
(dr/dt) = 7 / (4π(9))
(dr/dt) = 7 / (36π)
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Please answer the question The answer options are: less than, greater than, and equal to
From the question, we can see that we have two box-and-whisker plots. One of them represents the test score for Jake and the other the test scores of Ryan.
In a box-and-whisker plot, we have the following information:
We can see the following information from Jake and Ryan as follows:
The interquartile range (IQR) is the difference between Q3 and Q1.
Jake's Information• Median = about 86
,• First Quartile (Q1) = 80
,• Third Quartile (Q3) = 90
,• Interquartile range (IQR) = Q3 - Q1 = 90 - 80 = 10
Ryan's Information• Median = 75
,• First Quartile (Q1) = 70
,• Third Quartile (Q3) = 85
,• Interquartile range (IQR) = Q3 - Q1 = 85 - 70 = 15
Now, in summary, therefore, we can say that:
• Ryan's median test score (75) is ,less than, Jake's median test score (86).
,• The interquartile range of Ryan's test score (15) is ,greater than, the interquartile range of Jake's test scores (10).
[Hence, we have to select less than in the first part of the question, and greater than in the second part of the question.]
pls help asap! i will give brainliest
Answer:
G
Step-by-step explanation:
I did this assignment yesterday
Answer:
x = 91
y = 98
Your answer is F.
Step-by-step explanation:
Since a straight angle is 180° you have to subtract 89 from 180 and 82 from 180.
180 - 89 = 91
180 - 82 = 98
Hope this helps, and have a wonderful day! :)
Multiplying Polynomials
Find each product.
1) 6v(2v + 3) 2) 7(−5v − 8)
3) 2x(−2x − 3)
A polynomial is an equation made up of coefficients and in determinates that uses only the addition, subtraction, multiplication, and powers of positive-integer variables.
Multiplying Polynomials Find each product. 1) \(6v(2v + 3) 2) 7(-5v - 8)3) 2x(-2x -3)6v(2v + 3)\)
To distribute the 6v over the binomial 2v + 3, we multiply 6v by each term inside the parenthesis:
\(6v(2v) + 6v(3)\)
\(= 12v^2 + 18v7(-5v - 8)\)
To distribute the 7 over the binomial -5v - 8, we multiply 7 by each term inside the parenthesis:
\(7(-5v) + 7(-8)= -35v - 562x(-2x - 3)\)
To distribute the 2x over the binomial -2x - 3, we multiply 2x by each term inside the parenthesis:
\(2x(-2x) + 2x(-3)= -4x^2 - 6x\)
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Use the Law of Cosines to find a. Round answer to the nearest tenth
Answer:
Step-by-step explanation:
Deon runs each lap in 4 minutes. He will run at most 32 minutes today. What are the possible numbers of laps he will run today? Use n for the number of laps he will run today.
Write your answer as an inequality solved for n.
Answer:
4n ≤ 32
/4 /4
n ≤ 8, he could run less than 8 or just 8 laps,
so possible laps:
1, 2, 3, 4, 5, 6, 7, or 8 laps he could've ran.
If Z is a standard normal random variable, the area between z = 0.0 and z =1.30 is 0.4032, while the area between z = 0.0 and z = 1.50 is 0.4332. What is the area between z = -1.30 and z = 1.50?
A. 0.0668 B. 0.0968 C. 0.0300
D. 0.8364
The area between z = -1.30 and z = 1.50 is B. 0.0968.
To get the area between z = -1.30 and z = 1.50, we need to subtract the area to the left of z = -1.30 from the area to the left of z = 1.50.
The area to the left of z = -1.30 is the same as the area to the right of z = 1.30, which is 1 - 0.4032 = 0.5968.
The area to the left of z = 1.50 is 0.4332.
Therefore, the area between z = -1.30 and z = 1.50 is 0.4332 - 0.5968 = 0.0968.
So the answer is B. 0.0968.
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Which equation can be used to solve for x in the following diagram? Choose 1 answer. 2x° degrees, 4x° degrees, 150° degrees
Answer:
The answer is option D.
Step-by-step explanation:
Hi, there!!!
Here, if you closely look this figure, you will find that AB and CD are interested at a point O.
now, OP is just a line constructed from point "O".
now, 2x°+4x°=150°.....is equation.
{Because, They are vertically opposite angle}
When two st. line intersects at a point then the abgle formed oppositely are equal.
Hope it helps..