Answer:
- 5/7
Step-by-step explanation:
y2 - y1 / x2 - x1
(-3 - 2) / (3 + 4)
- 5/ 7
What is the value of x?
25 POINTS GUYS PLEASE HELP ME WITH THIS QUESTION
WHAT IS 1+1
Answer:
2
Step-by-step explanation:
1 + 1 = 2
Answer:
the answer is 2
Step-by-step explanation:
1+1=2
WILL GIVE BRAINLIEST! What is the speed, in miles per hour, of this plane? Note: This is what you would have in the table where the red As are located.
Answer: 610 miles per hour. Your welcome. :)
please solve! thank you so much.
A - Growth (25%)
B- Growth (75%)
C - Growth
D - Growth (100%)
E - Growth (99%)
What is a growth or decay function?An rise in the resultant quantity for a given quantity is referred to as exponential growth, and a decrease in the resultant quantity for a given quantity is referred to as exponential decay.
The term "exponential decay" in mathematics refers to the process of a constant percentage rate reduction in an amount over time. It can be written as y=a(1-b)x, where x is the amount of time that has passed, an is the initial amount, b is the decay factor, and y is the final amount.
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Which tablo represents a linear function that has a slope of 5 and a y-intercept of 20
0
y
0
20
40
60
8
4
0
4
8
y
0
-20
-40
60
Х
0
20
40
60
y у
4
0
4
8
Answer:
Table (1)
Step-by-step explanation:
We have to find the table representing a linear function with slope = 5 and y-intercept = 20.
We know y-intercept means value of the function at x = 0,
From all the tables given in picture,
Table (1) shows the value of the function is 20 at x = 0,
So the table (1) should be the answer.
Now we will recheck the answer for the slope = 5
Since slope of a line passing through the two points \((x_1,y_1)\) and \((x_2,y_2)\) is calculated by the formula,
m = \(\frac{y_2-y_1}{x_2-x_1}\)
Therefore, slope of the line passing through (-4, 0) and (0, 20) will be,
m = \(\frac{20-0}{0-(-4)}\)
= 5
Now we are sure that Table (1) is the answer.
What is the slope of the line on the graph?
Answer:
\(m=6\)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDASAlgebra I
Slope Formula: \(m=\frac{y_2-y_1}{x_2-x_1}\)Step-by-step explanation:
Step 1: Define
Find points from graph.
Point (1, 5)
Point (0, -1)
Step 2: Find slope m
Substitute: \(m=\frac{-1-5}{0-1}\)Subtract: \(m=\frac{-6}{-1}\)Divide: \(m=6\)WILL GIVE BRAINLIEST *NO LINKS*
you take a random of twenty ksu students and find that 16 of them have jobs. what is the probability that you would find exactly 16 out of twenty have jobs if the .50 conjectured by the professor was correct? what is the probability that you would find 16 or more have jobs? what will you say to the professor?
The probability of exactly 16 students having jobs in the sample is 0.204 and the probability of 16 or more students having jobs in the sample is 0.334.
Let X be the number of KSU students with jobs in a random sample of 20 students. Since each student in the sample can be either employed or not employed, X follows a binomial distribution with parameters n = 20 (the sample size) and p = 0.50 (the probability of a student having a job).
To find the probability of exactly 16 students having jobs in the sample, we can use the binomial probability mass function
P(X = 16) = (20 choose 16) * 0.5^16 * 0.5^(20-16) = 0.204
To find the probability of 16 or more students having jobs in the sample, we can use the cumulative distribution function
P(X ≥ 16) = 1 - P(X < 16) = 1 - ∑(i=0 to 15) (20 choose i) * 0.5^i * 0.5^(20-i) = 0.334
Based on the sample data, it appears that the proportion of KSU students with jobs is higher than the professor's conjectured value of 0.50. However, we cannot conclusively reject the professor's conjecture based on a single sample of 20 students.
We would need to conduct a hypothesis test with appropriate statistical significance level to determine if the difference between the sample proportion and the conjectured value is statistically significant or not.
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A carton of grapefruit juice displays the nutritional information shown below. How many grams of sugar are there in a 200 ml glass of juice? Grapefruit juice 250 ml contains Carbohydrate Sugar Protein 19.5 g | 16.5 g | 1.5 g
Answer:
13.2 g
Step-by-step explanation:
let x = grams sugar in a 200 ml glass
16.5 g sugar / 250 ml = x g sugar / 200 ml
x(250) = (16.5)(200)
x = (16.5)(200) / (250) = 3300 / 250 = 13.2
Answer: there are 13.2 g sugar in a 200 ml glass of juice
Can someone help me with Question 2b of this assignment? I'd deeply appreciate it! :)
Value of x is -6
According to question
(x/2)-6 = 2+(2x+1)
⇒x-12/2 = 3+2x
⇒x-12=2(3+2x)
⇒x-12=6+4x
⇒-3x=18
⇒x=18/-3
∴x=-6
The value of x is -6.
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Answer:
x = - 6
Step-by-step explanation:
(b)
\(\frac{1}{2}\) x - 6 = 2 + (2x + 1) ← remove parenthesis
\(\frac{1}{2}\) x - 6 = 2 + 2x + 1
\(\frac{1}{2}\) x - 6 = 2x + 3 ( add 6 to both sides )
\(\frac{1}{2}\) x = 2x + 9 ( multiply through by 2 to clear the fraction )
x = 4x + 18 ( subtract 4x from both sides )
- 3x = 18 ( divide both sides by - 3 )
x = - 6
Error Analysis A math test asks the students to solve the inequality x−5≤17, and then graph the solutions. Mason said the solutions are x≤12 and graphed the solutions as shown below. Solve the inequality and graph the solutions. What error might Mason have made? PLS HELP ME
After answering the provided question, we can conclude that Mason inequality believes the solutions are x 12. The graph shows a shaded region to the left of 12.
What is inequality?In mathematics, an inequality is a non-equal relationship between two expressions or values. As a result, imbalance leads to inequality. In mathematics, an inequality connects two values that are not equal. Inequality is not the same as equality. When two values are not equal, the not equal sign is commonly used (). Different inequalities, no matter how small or large, are used to contrast values. Many simple inequalities can be solved by modifying the two sides until only the variables remain. However, a number of factors contribute to inequality: Negative values are divided or added on both sides. Exchange left and right.
To solve the x517 inequality, first add 5 to both sides to get:
x - 5 + 5 ≤ 17 + 5
When we simplify, we get:
x ≤ 22
As a result, the correct solution to the inequality is x 22.
Now consider Mason's solution. He stated that the solutions are x 12 and graphed them as shown below.
|
|
|
|
|
|
----|------------
-5|4 9 12
Mason believes the solutions are x 12. The graph shows a shaded region to the left of 12.
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Solve the system of linear equations by graphing.
2x + 3y = 16.9
5x = y + 7.4
Intercept form (y = mx + b):
2x + 3y = 16.9
3y = -2x. The intersection point is the solution (x, y) to the system.
To solve the system of linear equations by graphing, we need to plot the two equations on the same coordinate plane and find the point where they intersect.
Let's rearrange the equations to slope-intercept form (y = mx + b):
2x + 3y = 16.9
3y = -2x + 16.9
y = (-2/3)x + 5.63
5x = y + 7.4
y = 5x - 7.4
Now, we can plot the two equations on the same graph:
The intersection point appears to be approximately (3, 4). Therefore, the solution to the system of linear equations is:
x = 3
y = 4
Hi! To solve the given system of linear equations by graphing, first, we need to rewrite the equations in slope-intercept form (y = mx + b).
Equation 1 2x + 3y = 16
Divide by 3 y = (-2/3)x + (16/3)
Equation 5x = y + 7.4
Subtract 7.4 y = 9.5x - 7.4
No, graph these two lines on a coordinate plane. The point where they intersect is the solution to the system of linear equations.
The lines can be graphed using graphing software or by hand. Determine some points by plugging in x-values and calculating the corresponding y-values, then connect the points to form the lines. The intersection point is the solution (x, y) to the system.
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a data set has its first and third quartiles as 9 and 17 respectively. Which of the following data points would be considered an outlier for the data set
A. 27
B. 17
C. 3
D. 41
In which of these cases should the mean be used?
A. When the data is left-skewed
B. When the data is symmetric
C. When the data is right-skewed
D. When the data has extreme values
To determine if a data point is considered an outlier for a data set, we need to calculate the interquartile range (IQR) and use it to define the outlier boundaries. The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). The correct option is (B).
We have that Q1 = 9 and Q3 = 17, we can calculate the IQR as follows:
IQR = Q3 - Q1 = 17 - 9 = 8
To identify outliers, we can use the following rule:
- Any data point that is less than Q1 - 1.5 * IQR or greater than Q3 + 1.5 * IQR is considered an outlier.
Using this rule, we can evaluate each data point:
A. 27: This data point is greater than Q3 + 1.5 * IQR = 17 + 1.5 * 8 = 29. It is considered an outlier.
B. 17: This data point is not an outlier because it is equal to the third quartile (Q3).
C. 3: This data point is less than Q1 - 1.5 * IQR = 9 - 1.5 * 8 = -3. It is considered an outlier.
D. 41: This data point is greater than Q3 + 1.5 * IQR = 17 + 1.5 * 8 = 29. It is considered an outlier.
Therefore, the outliers in the data set are A (27) and D (41).
As for when to use the mean, it is generally recommended to use the mean as a measure of central tendency when the data is symmetric and does not have extreme values.
Therefore, the correct option would be B. When the data is symmetric.
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The graph below displays the wrist circumferences and heights of six students in Alyssa’s classroom.
A graph titled Wrist Circumference versus Height has wrist circumference (centimeters) on the x-axis and height (centimeters) on the y-axis. Points are at (13.8, 151), (14.2, 151), (15.2, 156), (15.6, 159), (16, 162) and (16, 165).
Is the height of these students a function of their wrist circumference?
Yes because as wrist circumference increases height also increases.
Yes because a line can be fit to these data to predict other pairings.
No because the height of 151 cm is paired with two wrist circumferences.
No because the wrist circumference of 16 cm is paired with two heights.
Option D (No, as there are two heights associated with the wrist circumference of 16 cm.
What is meant by graph?An illustration of a relation is a function graph. In set theory and modern mathematical foundations, a function is truly equal to its graph.
The wrist circumferences and heights of six kids in Alyssa's class are represented by a collection of points in the graph that is shown.
The height is represented by the y axis, and the wrist circumference by the x axis.
Any relation is referred to as a function if there is only one value of y for any given value of x. The graph is referred to as a function if it passes the vertical line test, which requires that a vertical line be drawn and only touch the graph once.
There are two y values (162 and 165) on the above graph for the x value of x=16.
The graph is not a function as a result.
Among the possibilities The correct response is option D, "No," since the wrist circumference of 16 cm pairs with two heights.
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In basketball, some baskets are worth two points. Others are worth three points. In one game, the ratio of three-point baskets to three-point tries for one team was . If the team scored 27 points from three-point baskets, how many three-point tries did the team have?
Answer:
36 attempts
Step-by-step explanation:
pls help urgently
angle knowledge
Answer:
a) XY and BD are paralel and they are on the same side in relation to AB line
b) Lines XB and XC have the same size and are supported by the same line BC, therefore XBC and XCB have the same angles, therefore XCB is also 55º.
The sum of all angles of a triangle is 180 so BXC is 180 - 55 - 55.
180 - 110 = 70º
BXC = 70º... probably
Step-by-step explanation:
if a wave has a length of 30 feet, what is the depth? question 2 options: a) 20 feet b) 15 feet c) 10 feet d) 5 feet
The length of a wave does not directly determine its depth. The depth of a wave is influenced by various factors, including the shape and size of the seafloor,
The temperature and salinity of the water, and the strength and direction of the current. Therefore, without additional information about these factors, it is impossible to accurately determine the depth of a wave based solely on its length. I suggest seeking the advice of an expert in oceanography or physics for a more comprehensive explanation.
The length of a wave is the distance between two successive points in the same phase, such as from crest to crest or trough to trough. In your case, the wave length is given as 30 feet. However, without additional information about the wave, we cannot determine its depth solely based on its length.
Depth refers to the vertical distance from the surface to the lowest point of a wave (trough), and it's not directly related to the wave length. Therefore, we cannot accurately choose an option (a, b, c, or d) for the depth based on the provided information.
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If she made the last free throw; then her probability of making the next one is 0.7 . On the other hand, If she missed the last free throw, then her probability of making the next one is 0.3. Assume that state is Makes the Free Throw and that state 2 is Misses the Free Throw: (1) Find the transition matrix for this Markov process_
The transition matrix for Markovian is,
[ 0.7 0.3 ]
[ 0.3 0.7 ]
What is meant by probability?Probability is an area of mathematics that deals with numerical descriptions of the likelihood of an event happening or a proposition being true. An event's probability is a number between 0 and 1, where 0 indicates impossibility and 1 represents certainty.
Probability is simply the possibility of something happening. When we are confused about the outcome of an event, we might discuss the probabilities of certain outcomes—how likely they are. Statistics is the study of occurrences based on probability.
Let \(S_{i}\), i = 1, 2, is denoted for state i.
If \(T_{ij}\) is denoted for the transition from \(S_{j}\) to \(S_{i}\),
The transition probabilities are given by:
Probability(T₁₁) = 0.7
Probability(T₂₁) = 1- Probability(T₁₁) = 1 - 0.7 = 0.3
Probability(T₁₂) = 0.3
Probability(T₂₂) = 1- Prob(T₁₂) = 1 - 0.3 = 0.7
So, the transition matrix for Markovian is,
[ 0.7 0.3 ]
[ 0.3 0.7 ]
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A clothing designer determines that the number of shirts she can sell is given by the formula S = −4x2 + 80x − 76, where x is the price of the shirts in dollars. At what price will the designer sell the maximum number of shirts? a $324 b $19 c $10 d $1
To find the price at which the designer will sell the maximum number of shirts, we need to determine the vertex of the quadratic function representing the number of shirts sold.
The equation for the number of shirts sold is given by:
S = -4x^2 + 80x - 76
This is a quadratic function in the form of:
S = ax^2 + bx + c
To find the price at which the maximum number of shirts is sold, we need to locate the vertex of the quadratic function. The x-coordinate of the vertex can be found using the formula:
x = -b / (2a)
In this case, a = -4 and b = 80. Plugging in these values, we can calculate the x-coordinate:
x = -80 / (2*(-4))
x = -80 / (-8)
x = 10
Therefore, the designer will sell the maximum number of shirts at a price of $10. Hence, the correct option is c) $10.
the work is done, i just want to know if the calculations are right. thank you.
Please help the question is in the picture
Answer: D: Parallel to the base
Step-by-step explanation:
Answer:
the answer should be D if i am wrong please tell me.
Step-by-step explanation:
PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST)
You are buying batteries, a stereo, and some CDs from the I.B. Electronics store. You can buy from this store online or in a physical store. You have a coupon for 10% off that can only be used in the physical store and a $5.00 off coupon that can only be used online. The sales tax of 5% only applies to the physical store. Shipping for the online store is a flat rate of $6.99. You are trying to decide whether to shop at the physical store or the online store. Using the pricing information below, how much money would you save by shopping in the physical store after all discounts, taxes, and shipping fees have been applied?
Item Quantity Physical Store Online Store
Batteries 2 packs $5.99/pack $4.99/pack
Stereo 1 system $100.00/system $90.00/system
CDs 3 CDs $7.95/CD $8.95/CD
$19.62
It is more expensive to shop in the physical store.
$0.46
it would be better to go to the online store
- Three times a number increased by 15 is
equal to 30. What is the number?
plify.
Answer:
x = 5
Step-by-step explanation:
3x + 15 = 30 Subtract 15 from both sides of the equation
3x = 15 Divide both sides by 3
x = 5
Which inequality is true?
Can someone help me with this. Will mark brainliest.
diagonals of a parallelogram bisects each other making an angle of 90°.
so, your answer is True
Answer:
A. True
Step-by-step explanation:
The diagonals of a parallelogram do always bisect each other. However, they only form right angles if the parallelogram is a rhombus or a square.
ena is on a game show. She will choose a box to see if she wins
a prize. The odds in favor of Lena winning a prize are
5/7
. Find the probability of Lena winning a prize.
To find the probability of Lena winning a prize, we can use the odds in favor of her winning. Odds in favor are expressed as a ratio of the number of favorable outcomes to the number of unfavorable outcomes.
In this case, the odds in favor of Lena winning a prize are given as 5/7. This means that for every 5 favorable outcomes, there are 7 unfavorable outcomes.
To calculate the probability, we divide the number of favorable outcomes by the total number of outcomes:
Probability = Number of favorable outcomes / Total number of outcomes
Since the odds in favor are 5/7, the probability of Lena winning a prize is 5/(5+7) = 5/12.
Therefore, the probability of Lena winning a prize is 5/12.
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GUYS PLEASE HELP ME! Brainliest.
A dilation with a scale factor of 1/2 is applied to the three sides of Triangle ABC to
create Triangle A'B'C'.
The side lengths of Triangle ABC are: A = 4ft, B = 3ft, C = 5ft.
What are the lengths of the sides on the new Triangle A'B'C'?
A. A' = 8ft, B' = 6ft, C' = 10ft
B. A' = 2ft, B' = 1.5ft, C' = 2.5ft
C. A' = 3.5ft, B' = 2.5ft, C' = 4.5ft
D. A' = 4.5ft, B' = 3.5ft, C' = 5.5ft
Answer:
I think it's B or A. Im not sure. sorry if i'm wrong.
FILL IN THE BLANK. Study with Quizlet and memorize flashcards containing terms like ____ are the categories by which data are grouped
Data categorization is a process of organizing and grouping data into meaningful classes or categories.
This process is often used to simplify data and make it easier to understand and analyze. Data categorization involves breaking down a large set of data into smaller, more manageable groups. For example, a company may group customers into categories based on their age, income, or location. Each group can then be analyzed separately to better understand customer behavior. Categorizing data can also help identify trends or patterns that may not be visible when looking at the data as a whole. Categorization can also be used to identify outliers or anomalies in the data. By breaking down the data into smaller groups, it becomes easier to see which elements don’t fit the pattern or are not part of the normal range. Categorizing data can be done using a variety of methods. For example, data can be divided into numerical ranges or grouped into categories such as low, medium, and high. Data can also be grouped using descriptive terms, such as customer type or product type. Once the data is categorized, calculations such as averages, medians, and modes can be used to analyze the data. This can help to identify patterns or trends that can be used to make decisions or draw conclusions.
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Convert the credit card rate to the APR. Ohio, 0.02192% daily rate. Please round your answer to the nearest percent. (zero decimal place.) Enter only the number without $ sign.
Answer:
8%
Step-by-step explanation:
APR means annual percentage rate.
To convert the daily rate to an APR, multiply the daily rate by the number of days in a year
365 days = 1 year
0.02192% x 365 = 8.0008%
To round off to the nearest percent, look at the first number after the decimal, if it is less than 5, add zero to the units term, If it is equal or greater than 5, add 1 to the units term.
The tenth digit is 0, so the number would be rounded off to 8%
If uppercase I = p r t, which equation is solved for t? I – pr = t StartFraction uppercase I minus p Over r EndFraction = t StartFraction uppercase I Over p r EndFraction = t I pr = t.
To solve the equation we need to know about expression.
ExpressionIn mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
t can be written as \(\rm{ \dfrac{I}{ p \times r}\).
ExplanationGiven to us
I = p r tAs the equation given to us, solving it for t,
\(\rm{ I = p \times r\times t\)
\(\rm{ t =\dfrac{I}{ p \times r}\)
Hence, t can be written as \(\rm{ \dfrac{I}{ p \times r}\).
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