Answer:
The missing value in the ordered pair is 66
Step-by-step explanation:
Given that:
(12,10) and (-2,r)
Slope = m = -4
We have to find the value of r so that the line has a slope of -4.
Slope is the steepness of line which is denoted by m.
Here,
\(x_1=12, y_1=10\\x_2=-2, y_2=r\)
Putting the values in slope of line formula,
\(-4=\frac{r-10}{-2-12}\\ -4=\frac{10-r}{-14}\\\)
Multiplying both sides by -14
\(-4*-14=\frac{r-10}{-14}*-14\\56=r-10\\56+10=r\\66=r\\ r=66\)
The value of r is 66
Hence,
The missing value in the ordered pair is 66
Determine the exact value of cot 3pi/2
put steps please
By trigonometric functions and trigonometric formulas, the exact value of cot (3π / 2) is equal to 0.
How to determine the exact value of a trigonometric function
In this problem we have the case of trigonometric function whose exact value must be found by means of trigonometric functions and trigonometric formulas. Now we proceed to present the entire procedure:
cot (3π / 2)
1 / tan (3π / 2)
Rewrite the function in terms of fundamental trigonometric functions: (sine, cosine)
1 / [sin (3π / 2) / cos (3π / 2)]
cos (3π / 2) / sin (3π / 2)
Then, we get the following exact value:
0 / (- 1)
0
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Landon analyzed data and found that the correlation coefficient for their line of best fit was -0.85. Marco analyzed a different set of data and found a correlation coefficient of 0.85. Marco states that since 0.85 is greater than -0.85, his data points have a better line of best fit than Landon. Is Marco correct? Why, or why not?
Marco's data points have a better line of best fit based on a comparison of Correlation coefficients.
Marco is incorrect in stating that his data points have a better line of best fit than Landon based solely on the comparison of correlation coefficients. The magnitude of the correlation coefficient alone does not determine the quality or strength of the line of best fit.
The correlation coefficient measures the strength and direction of the linear relationship between two variables. It ranges from -1 to +1. A positive correlation coefficient (such as 0.85) indicates a positive linear relationship, while a negative correlation coefficient (such as -0.85) indicates a negative linear relationship. The closer the correlation coefficient is to -1 or +1, the stronger the relationship. A correlation coefficient of 0 indicates no linear relationship.
In the case of Landon and Marco, both correlation coefficients have the same absolute value of 0.85, suggesting a strong linear relationship. However, the negative sign for Landon's correlation coefficient indicates a negative linear relationship, while the positive sign for Marco's correlation coefficient indicates a positive linear relationship.
The comparison between -0.85 and 0.85 should not be made in terms of greater or lesser quality of the line of best fit. The choice of a positive or negative correlation depends on the context and nature of the variables being analyzed.
The appropriateness of the line of best fit and the goodness-of-fit of the model should be evaluated based on additional factors such as the data points' distribution around the line, residuals, and the overall context of the analysis. These aspects provide more comprehensive insights into the quality of the fit and the reliability of the relationship being represented.
Therefore, Marco's data points have a better line of best fit solely based on a comparison of correlation coefficients. The interpretation of the correlation coefficient requires considering the nature of the variables and other factors influencing the analysis.
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What is function and not function?
Answer: A function is a relation between domain and range such that each value in the domain corresponds to only one value in the range. Relations that are not functions violate this definition. They feature at least one value in the domain that corresponds to two or more values in the range.
Step-by-step explanation:
a die is rolled and the results are 2,4,6,1,5,1,6,3,2,4,5,6,1,6,4,3,6,1,6,6,. the experimental probability for getting a 6 is close to the theoretcal probability. true or false
To determine if the experimental probability for getting a 6 is close to the theoretical probability, we need to compare the observed frequency of rolling a 6 to the expected probability based on a fair six-sided die.
In the given list of rolls, we have a total of 20 rolls. To calculate the experimental probability of rolling a 6, we count the number of times a 6 appears and divide it by the total number of rolls.
From the list, we can see that a 6 appears 6 times. Therefore, the experimental probability of rolling a 6 is:
Experimental probability = Number of 6's / Total number of rolls = 6/20 = 0.3
Now let's compare this experimental probability to the theoretical probability. In a fair six-sided die, each face has an equal chance of occurring, so the theoretical probability of rolling a 6 is 1/6 ≈ 0.1667.
Comparing the experimental probability of 0.3 to the theoretical probability of 0.1667, we can see that the experimental probability is higher than the theoretical probability for rolling a 6.
Therefore, the statement "the experimental probability for getting a 6 is close to the theoretical probability" is false. The experimental probability is higher than the theoretical probability in this case.
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(Your answer will be a fraction. In the answer box write is
as a decimal rounded to two place.)
2x+8+4x = 22
X =
Answer
The value of x is 7/3, which can be rounded to two decimal places as approximately 2.33.
To solve the equation 2x + 8 + 4x = 22, we need to combine like terms and isolate the variable x.
Combining like terms, we have:
6x + 8 = 22
Next, we want to isolate the term with x by subtracting 8 from both sides of the equation:
6x + 8 - 8 = 22 - 8
6x = 14
To solve for x, we divide both sides of the equation by 6:
(6x) / 6 = 14 / 6
x = 14/6
Simplifying the fraction 14/6, we get:
x = 7/3
Therefore, the value of x is 7/3, which can be rounded to two decimal places as approximately 2.33.
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in a study examining the effect of room illumination (low, medium, high) and room temperature (cold, warm, hot) on test performance, how many main effects are possible? 2 3 6 9
The main effects are room illumination and room temperature. Therefore, 2 main effects are there.
Generally speaking, room temperature refers to a range of air temperatures that people favor indoors. When someone is dressed in regular indoor attire, they feel at ease. Depending on humidity, air circulation, and other factors, human comfort can go beyond this range. Neither heated nor chilled, food or beverages may be served at room temperature.
Temperature ranges are defined as room temperature for certain products and processes in industry, science, and consumer goods.
In a study examining the effect of room illumination (low, medium, high) and room temperature (cold, warm, hot) on test performance, there are 2 main effects possible. The main effects are room illumination and room temperature.
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a rectangular room twice as long as it is wide would contain 145 square feet more if each side were one foot longer. what is the length of the room?
The length of the room will be 96 ft after increasing each side by 1 foot.
Let L be the length of the room and W be the width of the room.
Given , L = 2W.
Area , A = LW
= 2W × W
= 2W²
On increasing each side by 1 foot, new area is A' = (L + 1)(W + 1)
= (2W + 1)(W + 1)
= 2W² + 3W + 1
Since, the room would contain 145 ft more if each side were increased by 1 foot, then its new area is A' = A + 145 = 2W² + 3W + 1
2W² + 145 = 2W² + 3W + 1
145 = 3W + 1
3W = 145 - 1
3W = 144
W = 144/3
W = 48 ft.
Since its length L = 2W, substituting W = 48 into the equation, we have
L = 2(48)
L = 96 ft
Therefore the length of the room will be 96 ft.
The area of a rectangle in a two-dimensional plane is the area that it occupies. A quadrilateral, a form of two-dimensional object with four sides and four vertices, is what a rectangle is. The rectangle's four angles are all right angles or exactly 90 degrees. The rectangle's opposing sides are equal and parallel to one another. It should be noted that a parallelogram also has equal and parallel opposite sides, but the angles are not exactly 90 degrees.
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HURRY IM BEING TIMED
This is an example of which property? 13 (8+7)=(13•8) + ( 13•7 )
Answer:
multiplication over addition
Step-by-step explanation:
I think soo bro. but do you need the answer too
Answer:
Distributive Property because of the formula
HELP!! I WILL GIVE BRAINLIEST TO THE PERSON WHO ANSWERED IT CORRECTLY AND GAVE A GREAT EXPLANATION!!! PLEASE ANSWER THE QUESTION!! IT IS ALGEBRA AND I AM NO GOOD AT IT!!!
( Hello! I'm bo)red....Can someone talk to me.....anyone...please???
Answer:
I believe the correct answer would be C.
Step-by-step explanation:
Have a great day! :)
PLEASE HELP
Which problem can be represented by the equation 100x+50=710?
a) A coin bank can hold 710 coins. There are 50 coins in the bank. A student puts in 100 coins per week. How many weeks until the bank is full?
B) A coin bank can hold 100 coins. There are 710 coins in the bank. A student puts in 50 coins per week. How many weeks until the bank is full?
c) A coin bank can hold 100 coins. There are 50 coins in the bank. A student puts in 710 coins per week. How many weeks until the bank is full?
d )A coin bank can hold 710 coins. There are 100 coins in the bank. A student puts in 50 coins per week. How many weeks until the bank is full?
Answer:
A
Step-by-step explanation:
Because for A, the question is "How many weeks until the bank is full?" which is looking for X. That part is checked off. It says 100x+50=710. 710 is the total in A too so that is checked off. In the equation, the piggy bank starts with 50 coins so that is checked off. Everything is in order so A is the answer. WEAR A MASK AND STAY SAFE DURING THIS HARD TIME! ;)
Answer:
The answer is D
Step-by-step explanation:
The original equation ..
100x +50 = 710
100x=710-50
100x=660
Divide on both sides
X =6.6
When you solve equation D in the same way, the same result will appear
Andre runs for 35 seconds at a velocity of -8 meters per second. He is running west. What is his finishing position?
Answer:
d = -280 m
Step-by-step explanation:
Given that,
Velocity of Andre, v = -8 m/s
Time taken, t = 35 seconds
We need to find his finishing position. Let the finishing position be x.
We know that,
Velocity = distance/time
So,
\(d=v\times t\\\\d=-8\times 35\\\\=-280\ m\)
so, he was at a distance of 280 m in west.
1 Jessica is walking home from work and has to walk through a rectangular park. The park is 24 feet long and 7 feet wide. She plans to walk diagonally through the park from one corner to the other. How far is the walk from one corner to the opposite corner?
Answer:
5 miles but she did walk part of another mile so that would be 5.35.
Step-by-step explanation:
There are 10 people waiting on standby at an airport to get on the next flight when 2 seats open up. One of the seats is in first class, and the other is in coach. What error is made in the work shown below to calculate the number of ways to choose the passengers to fill the seats
Step-by-step explanation:
As I do not have the work shown to calculate the number of ways to choose the passengers, I cannot identify the specific error made. However, I can provide some insight on how to approach this type of problem correctly.
When choosing 2 people from a group of 10, we can use combinations, which are denoted as "n choose k" and represented by the formula:
n choose k = n! / (k! * (n-k)!)
where n is the total number of items in the group and k is the number of items to be chosen.
In this case, we want to choose one passenger for first class and one passenger for coach. Therefore, we can separate the group of 10 into two subgroups: one subgroup with 1 person (for first class) and another subgroup with 9 people (for coach).
Using combinations, we can calculate the number of ways to choose 1 person from the subgroup of 1 and 1 person from the subgroup of 9:
(1 choose 1) * (9 choose 1) = 1 * 9 = 9
Therefore, there are 9 ways to choose the passengers to fill the seats.
"
Use the limit definition of the derivative to find f^{\prime}(x) when f(x)=-6 x^{2}. "options:f ′(x)=−12x; f ′ (x)=2x; f ′(x)=−12x−6h; f ′ (x)=12x
According to the question The limit definition of the derivative \(f^{\prime}\)\((x)\) when \(f(x)=-6 x^{2}\) is is \(\(f'(x) = -12x\).\)
To find \(\(f'(x)\)\) using the limit definition of the derivative for \(\(f(x) = -6x^2\)\), we start by applying the formula:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{f(x + h) - f(x)}}{h}\]\)
Substituting \(\(f(x) = -6x^2\)\) into the formula, we have:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{-6(x + h)^2 - (-6x^2)}}{h}\]\)
Expanding and simplifying the numerator:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{-6(x^2 + 2xh + h^2) + 6x^2}}{h}\]\)
Distributing the -6 to each term in the numerator:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{-6x^2 - 12xh - 6h^2 + 6x^2}}{h}\]\)
Cancelling out the \(\(6x^2\)\) terms:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{-12xh - 6h^2}}{h}\]\)
Factoring out \(\(h\)\) from the numerator:
\(\[f'(x) = \lim_{{h \to 0}} \frac{{h(-12x - 6h)}}{h}\]\)
Cancelling out \(\(h\)\) in the numerator and denominator:
\(\[f'(x) = \lim_{{h \to 0}} -12x - 6h\]\)
Finally, taking the limit as \(\(h\)\) approaches 0, we get:
\(\[f'(x) = -12x\]\)
Therefore, \(\(f'(x) = -12x\).\)
So, the correct option is \(\(f'(x) = -12x\).\)
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what is the slope of a line that is perpendicular to the line y= -1\2x+ 5
Answer:
-1/2
Step-by-step explanation:
Answer:
-1/2
Step-by-step explanation:
can someone help plzz plz help ASAP will mark brainlist
Answer:
domain (-3,3]
range [0,3)
Step-by-step explanation:
The domain is the input or x values
-3 < x ≤3
in interval notation
The parentheses means not include, the bracket means include
(-3,3]
The range is the output or y values
0≤y <3
[0,3)
PLEASE HELP ME ITS TIMED!!
Answer:
x=10
Step-by-step explanation:
x^2 + 24^2 = 26^2
x^2 + 576 = 676
x^2 = 100
√x^2 = √100
x=10
Answer:
well, we carry 2 of 2 of x so we know that 10 is in because of 6 +4 and 2+2=4 add them up so if im correct its 14 mark brainleist
Step-by-step explanation:
A bookshelf has 36 fiction books and 44 non-fiction books. What percentage of the total books are non-fiction?
Answer:
55%
Step-by-step explanation:
The total number of books is 80 (36+44) and 44 of the 80 books (44/80) are nonfiction. Converting this fraction to a percent would equal 55%.
how many method calls would it take to draw each individual number in the seven segment from? try to minimize the number of calls you use
By following these steps, you can draw each individual number in the seven segment form with a minimum of 7 method calls.
To draw each individual number in the seven segment form, it would take a total of 7 method calls. This is because each segment of the seven segment form is made up of an individual line, and each line requires a separate method call to draw. Therefore, to minimize the number of calls you use, you would need to draw each individual line with a single method call, for a total of 7 method calls. Here is a step-by-step explanation of how to do this:
1. Start by drawing the top horizontal line with a single method call.
2. Next, draw the top right vertical line with another method call.
3. Draw the bottom right vertical line with a third method call.
4. Draw the bottom horizontal line with a fourth method call.
5. Draw the bottom left vertical line with a fifth method call.
6. Draw the top left vertical line with a sixth method call.
7. Finally, draw the middle horizontal line with a seventh method call.
By following these steps, you can draw each individual number in the seven segment form with a minimum of 7 method calls.
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I NEED HELP PLEASE IM BEGGING YOU PLEASE!!!!!
NEED HELP WITH THE ONES THAT ARE HIGHLIGHTED PLEASE!!!!!1
11. -4
21. -3
14. -20
Hope these answers are correct
The online store charges a flat rate of $3.99 for shipping. Kelli is buying a book for $22.43. She could buy the same
book with a hardcover for $1.50 more.
Answer:
The book without the hardcover would cost $26.42.
Step-by-step explanation:
But with the hardcover, would be $27.92.
the taylor series for a function f about x=1 is given by
The Taylor series for a function f about x=1 is an infinite sum that represents the function using its derivatives at x=1. It starts with the value of the function at x=1 and includes terms involving higher derivatives multiplied by powers of (x-1) divided by factorials. It allows us to approximate the function near x=1 using a polynomial.
1. The first term, f(1), represents the value of the function at x=1.
2. The subsequent terms involve the derivatives of the function at x=1. The second term, f'(1)(x-1), is the first derivative of f at x=1 multiplied by (x-1).
3. Each subsequent term involves higher derivatives of f at x=1, with each derivative being multiplied by (x-1) raised to a power and divided by the corresponding factorial.
The Taylor series is a way to represent a function as an infinite sum of terms derived from its derivatives at a specific point. In this case, the Taylor series for function f about x=1 is given by f(x) = f(1) + f'(1)(x-1) + f''(1)(x-1)^2/2! + f'''(1)(x-1)^3/3! + ...
Each term involves a derivative of f evaluated at x=1, multiplied by (x-1) raised to a power and divided by the corresponding factorial. By including more terms in the series, we can approximate the function better near x=1 using a polynomial.
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In each basket of fruit, there are 3 more apples than pears.
Which equation represents the relationship between the number of apples a and the number of pears p?
a = 3p
a = p + 3
p = a + 3
p = 3a
Answer:
p=a+3
Step-by-step explanation:
i took the test
s + –177 = –423 solve for s
Find the total surface area of the following cylinder: r=3 cm 3 cm SA = [? ]n cm2
i need this ASAP!! plz help a bortha out
Answer:
36
Step-by-step explanation:
Mandy used the rule “Add 6” to make a pattern. She started with 20 and wrote the next 5 numbers in her pattern. Which number does NOT belong in Mandy’s pattern?
Answer:
43
Step-by-step explanation:
Answer:
43
Step-by-step explanation:
Well, I used the process of elimination at first. I realized that the numbers that mattered in the question were even numbers therefore the only one that would not end in the even number once I added "6" to the next 5 numbers, would be number 43.
If s = 1 over 3 unit and A = 18s² what is the value of A, in square units? ____ square unit(s).
Answer:
If s = 1 over 3 unit and A = 18s² what is the value of A, in square units? ____ square unit(s).Step-by-step explanation:
assign biggest decrease to the biggest decrease in waiting time between two consecutive eruptions. for example, the third eruption occurred after 74 minutes and the fourth after 62 minutes, so the decrease in waiting time was 74 - 62
The biggest decrease in waiting time between two consecutive eruptions is 18 minutes.
Here, we have,
To assign the biggest decrease to the biggest decrease in waiting time between two consecutive eruptions, we need to compare the decreases in waiting time for each pair of consecutive eruptions and identify the pair with the largest decrease.
Let's consider a sequence of eruption waiting times as an example:
Eruption 1: 60 minutes
Eruption 2: 70 minutes
Eruption 3: 74 minutes
Eruption 4: 62 minutes
Eruption 5: 80 minutes
To find the biggest decrease in waiting time, we compare the differences between consecutive eruptions:
Decrease between Eruption 1 and Eruption 2: 70 - 60 = 10 minutes
Decrease between Eruption 2 and Eruption 3: 74 - 70 = 4 minutes
Decrease between Eruption 3 and Eruption 4: 62 - 74 = -12 minutes
Decrease between Eruption 4 and Eruption 5: 80 - 62 = 18 minutes
From the calculations, we can see that the biggest decrease in waiting time occurs between Eruption 4 and Eruption 5, with a decrease of 18 minutes.
Therefore, the biggest decrease in waiting time between two consecutive eruptions is 18 minutes.
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In order to assign the biggest decrease to the biggest decrease in waiting time between consecutive eruptions, calculate the difference in waiting times for each pair of eruptions, and the biggest decrease will be the largest difference you find.
Explanation:To assign the biggest decrease to the biggest decrease in waiting time between two consecutive eruptions, you need to first identify the waiting times between each pair of consecutive eruptions. Then, calculate the difference in waiting times between each pair. For example, if the third eruption occurred after 74 minutes and the fourth after 62 minutes, the decrease in waiting time was 74 - 62 = 12 minutes. You repeat this process for all pairs of consecutive eruptions, and the biggest decrease in waiting time will be the largest difference you calculate.
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The maximum wind speed in November can be classified as calm,moderate,or strong.Of course these three outcomes are mutually exclusive.In one of the islands these outcomes occur with probabilities of 0.6,0.3,and 0.l respectively Assuming independence,what is the probability that in a sequence of 12 Novembers,exactly 8 months gets the classification calm, 3 months get the classification moderate and 1 month gets the classification strong. a)0.2124 b0.1427 c0.0898 d)0.0377 e)None
The probability that in a sequence of 12 Novembers, exactly 8 months gets the classification calm, 3 months get the classification moderate and 1 month gets the classification strong is option(a) 0.2124
To find the probability of getting exactly 8 calm months, 3 moderate months, and 1 strong month in a sequence of 12 Novembers, we can use the concept of binomial probability. The binomial probability formula is given by:
P(x) = (nCx) * (p^x) * ((1-p)^(n-x))
Where:
P(x) is the probability of getting exactly x successes,
n is the total number of trials,
p is the probability of success in a single trial,
nCx is the number of combinations of n items taken x at a time,
x is the number of successes.
In this case, the probability of getting a calm month is 0.6 (p), moderate month is 0.3 (p), and strong month is 0.1 (p).
Applying the formula, we have:
P(8 calm, 3 moderate, 1 strong) = (12C8) * (0.6^8) * (0.3^3) * (0.1^1)
Calculating the combinations:
12C8 = 12! / (8! * (12-8)!) = 495
Substituting the values into the formula:
P(8 calm, 3 moderate, 1 strong) = 495 * (0.6^8) * (0.3^3) * (0.1^1)
Evaluating this expression, we find:
P(8 calm, 3 moderate, 1 strong) ≈ 0.2124
Therefore, the correct answer is (a) 0.2124.
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What is a "gestalt"? How do the experimental examples provided in the text (Necker cube, visual cliff, etc.) help demonstrate principles of perceptual organization?; choose one example to discuss specifically.
The Kanizsa triangle illusion helps us understand that our perceptual experiences are not simply the sum of the individual sensory inputs, but rather the result of a complex and variable process of perceptual organization.
Gestalt is a German word meaning "shape" or "form," and in psychology, it refers to a set of principles that describe how people perceive and organize sensory information into meaningful wholes. These principles propose that the whole is greater than the sum of its parts, and that we tend to organize our perceptual experiences into coherent, holistic forms rather than isolated, unrelated sensations.
Experimental examples such as the Necker cube, visual cliff, and others help demonstrate principles of perceptual organization by highlighting how our minds naturally try to impose structure and order on sensory input. For example, the Necker cube is a two-dimensional drawing that can be perceived as a cube that can be viewed from different angles. However, as one stares at the image, it appears to flip back and forth between different possible interpretations. This phenomenon illustrates the Gestalt principle of figure-ground, which describes how we tend to perceive objects as being distinct from their surrounding context.
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