Answer:
evaporates
Step-by-step explanation:
Answer:
The water cycle describes how water evaporates from the ocean, plants, animals, or waste.
Step-by-step explanation:
The word evaporates is the answer.
Hope this helps!
Please help!!! Its algebra 1
Answer:
A
Step-by-step explanation:
because the numbers between -5 and 6 is either equal or more than -5 and less or equal to 6
B. Prove the following using indirect proof.
1. If x = 3, then 3x + 5 ≠10
2. If a triangle is an isosceles triangle ( 2 sides are equal), then the base angles
cannot measure 92 degrees.
3. Given: 3 - 5 ≠ 13
Prove: r≠6
4.Given: x = 5
Prove: 2x + 4 12
Answer:
jsjsusjsksksisidjjdsksjks
the function s(x) gives a person's average speed in miles per hour if he or she travels one mile in 60x seconds. use a linear approximation to s at 0 to find a person's approximate average speed if he or she travels one mile in seconds. what is his or her exact speed?
Using a linear approximation at x = 0 for the function s(x) is not possible as the derivative is undefined at that point. The exact speed of a person traveling one mile in seconds is 1/60 miles per second.
To find the approximate average speed using a linear approximation for the function s(x), we need to find the equation of the tangent line to the curve at x = 0.
Given that the function s(x) gives a person's average speed in miles per hour if they travel one mile in 60x seconds, we can express s(x) as:
s(x) = 1 / (60x) miles per second
To find the linear approximation at x = 0, we need to compute the derivative of s(x) with respect to x:
s'(x) = d/dx (1 / (60x)) = -1 / (60x^2)
Next, we evaluate s'(0) to find the slope of the tangent line at x = 0:
s'(0) = -1 / (60 * 0^2) = undefined
As the derivative is undefined at x = 0, we cannot directly apply the linear approximation using the tangent line.
However, we can still find the exact speed if the person travels one mile in seconds. Given that s(x) = 1 / (60x) miles per second, we can substitute x = 1 into the function:
s(1) = 1 / (60 * 1) = 1 / 60 miles per second
Hence, the person's exact speed is 1/60 miles per second.
In summary, we cannot use a linear approximation at x = 0 for the function s(x). The person's exact speed is 1/60 miles per second.
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help help help help help
Why would you want to transform a set of raw scores into a set of z-scores? Check all that apply. a. To make a distribution with a mean of 1 and a standard deviation of 0 b. To be able to describe the location of a raw score in the distribution of raw scores c. To make all the transformed scores greater than 0 d. To make it possible to compare scores from two different distributions
For a z-score, We transform a set of raw scores into a set of z-scores because we can compare scores from two different distributions i.e. D.
What exactly is the z-score?
The z-score is a statistical measurement that describes a value's relationship to the mean of a collection of values. The z-score formula is
z = (x - μ)/σ
x = data point
μ = mean
σ = standard deviation
Mean:- The sum of a collection of numbers divided by the total number of numbers in the set is known as the arithmetic mean, sometimes known as the arithmetic average or simply the mean or average. A survey, experiment, or observational research is usually used to create the collection.
Now,
As Z-scores are standardized scores that identify and define each score's exact placement within a distribution. We may conduct meaningful comparisons of z-scores across various samples or groups by converting our data (raw score).
hence,
We transform a set of raw scores into a set of z-scores because we can compare scores from two different distributions.
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Write the relation as a set of ordered pairs. A relation. An arrow goes from 1 to negative 1, from 2 to 0, from 3 to 1. a. ordered pairs: {(–1, 1), (2, 0), (3, 1)} b. ordered pairs: {(–1, 1), (0, 2), (1, 3)} c. ordered pairs: {(1, –1), (0, 2), (1, 3)} d. ordered pairs: {(1, –1), (2, 0), (3, 1)} Please select the best answer from the choices provided A B C D
The following ordered pair is given as {(1, -1), (2,0), (3,1)} for the given data of movement of arrow.
What is a set ?A set comprises elements or members that can be mathematical objects of any sort, including numbers, symbols, points in space, lines, other geometric forms, variables, or even other sets. A set is the mathematical model for a collection of various things.
An ordered pair consists of two items. The order of the objects in the pair matters because, unless a = b, the ordered pair differs from the ordered pair. Ordered pairs are also known as 2-tuples, or 2-length sequences.
An ordered pair is made up of the ordinate and the abscissa of the x coordinate, with two values given in parenthesis in a certain sequence. In order to understand a point visually, it might be helpful to position it on the Cartesian plane. An ordered pair's numerical values may be fractions or integers.
The following ordered pair is given as {(1, -1), (2,0), (3,1)} for the given data of movement of arrow.
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Answer:
D
Step-by-step explanation:
is anyone expert here in data forecasting methods? I need some help in some topics like time series(holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series. please reply if you can help me with these topics
Yes, there are experts here in data forecasting methods who can help you with the topics you've mentioned including time series (holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series.
Below are brief explanations of each of these terms:
Time Series: A time series is a sequence of observations of a particular quantity measured over time. Holts Method: The Holt’s method is a forecasting method that forecasts the data by taking into account the trend component along with the level component. Holts Winter Method: Holt's winter model is used to forecast seasonal univariate time series.Naive Method: The naive method is a forecasting method that uses the most recent observation as a forecast for the next time period.Regression: Regression is a statistical method used to estimate the strength and direction of the relationship between two or more variables.ACF & PACF: Autocorrelation function (ACF) and partial autocorrelation function (PACF) are statistical tools used to determine the nature of the correlation between a variable and its lag.ARIMA: ARIMA stands for AutoRegressive Integrated Moving Average. ARIMA is a forecasting technique that uses past data points to predict future values.STL Method: STL is a time series decomposition method that separates a time series into three components: trend, seasonality, and random.Multivariate Time Series: Multivariate time series analysis deals with the analysis of time series data that involves more than one variable.Based on the topics you've mentioned, you may want to ask specific questions regarding these topics to get more detailed answers.To know more about data forecasting, visit
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Find the circumference and the area of a circle with diameter 5cm. Use the value 3.14 for pie , and do not round your answers. Be sure to include the correct units in your answers.
Answer:
Step-by-step explanation:
If diameter is 5, then the radius is 2.5 cm.
Area of circle = πR²
Area = 3.14 * 2.5^2 = 3.14 * 6.25 = 19.625
Circumference = π * Diameter
Circumference = 3.14 * 5 = 15.7
Answer:
Step-by-step explanation:
Objective: find the circumference and area of a circle.
Given values; diameter: 5cm, pie: 3.14.
Step one:
Circumference: pie x diameter
= 3.14 x 5cm = 15.7 cm (circumference)
Step two:
Area: ( pie x radius to the power of 2)
= 3.14 x 6.25 cm
= 19.625 (area)
cosy/1-siny = 1+siny/cosy
varify using trig identity.
Answer:
See Below.
Step-by-step explanation:
We want to verify the equation:
\(\displaystyle \frac{\cos y}{1-\sin y}=\frac{1+\sin y}{\cos y}\)
On the left, we can multiply both layers by (1 + sin(y)):
\(\displaystyle \frac{\cos y}{1-\sin y}\left(\frac{1+\sin y}{1+\sin y}\right)=\frac{1+\sin y}{\cos y}\)
Multiply:
\(\displaystyle \frac{\cos y(1+\sin y)}{1-\sin^2 y}=\frac{1+\sin y}{\cos y}\)
From the Pythagorean Theorem, we know that sin²(y) + cos²(y) = 1. Hence, 1 - sin²(y) = cos²(y). Substitute:
\(\displaystyle \frac{\cos y(1+\sin y))}{\cos^2 y}=\frac{1+\sin y}{\cos y}\)
Cancel:
\(\displaystyle \frac{1+\sin y}{\cos y}=\frac{1+\sin y}{\cos y}\)
Hence proven.
4. Show that the matrix [XX-X'Z(ZZ)-¹Z'X). where both the x & matrix X and the x matrix Z. have full column rank and m2, is positive definite. Discuss the implications of this result in econometrics.
To show that the matrix A = [XX - X'Z(ZZ)^(-1)Z'X] is positive definite, we need to demonstrate two properties: (1) A is symmetric, and (2) all eigenvalues of A are positive.
Symmetry: To show that A is symmetric, we need to prove that A' = A, where A' represents the transpose of A. Taking the transpose of A: A' = [XX - X'Z(ZZ)^(-1)Z'X]'. Using the properties of matrix transpose, we have:
A' = (XX)' - [X'Z(ZZ)^(-1)Z'X]'. The transpose of a sum of matrices is equal to the sum of their transposes, and the transpose of a product of matrices is equal to the product of their transposes in reverse order. Applying these properties, we get: A' = X'X - (X'Z(ZZ)^(-1)Z'X)'. The transpose of a transpose is equal to the original matrix, so: A' = X'X - X'Z(ZZ)^(-1)Z'X. Comparing this with the original matrix A, we can see that A' = A, which confirms that A is symmetric. Positive eigenvalues: To show that all eigenvalues of A are positive, we need to demonstrate that for any non-zero vector v, v'Av > 0, where v' represents the transpose of v. Considering the expression v'Av: v'Av = v'[XX - X'Z(ZZ)^(-1)Z'X]v
Expanding the expression using matrix multiplication : v'Av = v'X'Xv - v'X'Z(ZZ)^(-1)Z'Xv. Since X and Z have full column rank, X'X and ZZ' are positive definite matrices. Additionally, (ZZ)^(-1) is also positive definite. Thus, we can conclude that the second term in the expression, v'X'Z(ZZ)^(-1)Z'Xv, is positive definite.Therefore, v'Av = v'X'Xv - v'X'Z(ZZ)^(-1)Z'Xv > 0 for any non-zero vector v. Implications in econometrics: In econometrics, positive definiteness of a matrix has important implications. In particular, the positive definiteness of the matrix [XX - X'Z(ZZ)^(-1)Z'X] guarantees that it is invertible and plays a crucial role in statistical inference.
When conducting econometric analysis, this positive definiteness implies that the estimator associated with X and Z is consistent, efficient, and unbiased. It ensures that the estimated coefficients and their standard errors are well-defined and meaningful in econometric models. Furthermore, positive definiteness of the matrix helps in verifying the assumptions of econometric models, such as the assumption of non-multicollinearity among the regressors. It also ensures that the estimators are stable and robust to perturbations in the data. Overall, the positive definiteness of the matrix [XX - X'Z(ZZ)^(-1)Z'X] provides theoretical and practical foundations for reliable and valid statistical inference in econometrics.
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Write 4,007,603 in expanded form using powers of 10 with exponents
Answer:
To write the number 4,007,603 in expanded form using powers of 10 with exponents, we can break down each digit according to its place value:
4,007,603 = 4 * 10^6 + 0 * 10^5 + 0 * 10^4 + 7 * 10^3 + 6 * 10^2 + 0 * 10^1 + 3 * 10^0
This can be further simplified by removing the terms with a coefficient of zero:
4,007,603 = 4 * 10^6 + 7 * 10^3 + 6 * 10^2 + 3 * 10^0
To write 4,007,603 in expanded form using powers of 10 with exponents, we break down the number by its place values and use the power of 10 with exponents for each place value.
Explanation:To write 4,007,603 in expanded form using powers of 10 with exponents, we can break down the number by its place values. Starting from the left, the first digit represents millions, the second digit represents hundred thousands, the third digit represents ten thousands, and so on. Using the power of 10 with exponents, we can write 4,007,603 as
4,000,000(10)6
+ 0
+ 7,000(10)3
+ 600(10)2
+ 3(10)0
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The amount of money Deon earns working at a store is given in the table.
Deon's Earnings
Hours Worked
3
5
7
9
11
Money Earned $37.50 $62.50 $87.50 $112.50 $137.50
How much money does he earn for working 20 hours at the store?
O $12.50
0 $125.00
O $250.00
O $150.00
If the amount of money Deon earns working at a store is given in the table. He will earn $20 in the 20 hours.
What is a proportional relationship?It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.
The given data is represented by a table that gives a relation between the money earned and the hour he works.
It is obtained that there is a proportional relationship obtained from the money earned and the hour he works as,
The rate when he worked for 3 hours.
r=Money earned / hour
r=$ 37.50 / 3
r=12.5
The rate when he worked for 6 hours.
r=Money earned / hour
r=$ 62.50 / 6
r=12.5
The rate when he worked for 7 hours.
r=Money earned / hour
r=$ 87.50 / 7
r=12.5
The amount he earned for 20 hour is the product of the amount he earned for the one hour and the number of hours,
=$ 12.5 × 20
= $250.00
Thus, the amount of money Deon earns working at a store is given in the table. He will earn $20 in the 20 hours.
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Please help I will give brainliest
As just a motion in the x-direction is needed for this transition, the motion is stiff: d.(x, y) → (x - 2, y) (x - 2, y).
What is motion referred to as?A body's ability to change its location with respect to time is known as motion. The various motions include: 2.1 Straight line motion Particles in linear motion are those that move through one point to the other along a straight or curved path.
a.(x, y) → (2x, y + 2)
As this transformation only comprises a y-direction translation and an x-direction scaling, it is a stiff motion.
b.(x, y) → (2x, 2y)
Since this transformation involves scaling both the x and y axes without any translation, it is a dilation.
c.(x, y) →(x + 2, y + 2)
As this transformation only requires a translation in the x and y dimensions, it is a stiff motion.
d.(x, y) → (x - 2, y)
As this transformation solely requires a movement in the x-direction, it is a stiff motion.
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8.
y=
Which word describes the connection between the shape and its reflection?
[] congruent
[] similar
[ ] translation
[] corresponding
The corresponding sides and angles of both the triangles [pre-image and the image] are congruent
what is congruency?Congruent in geometry refers to being the same size and shape. Congruence can be used with figures, angles, and line segments. If any two line segments are equal in length, they are said to be congruent. If two angles have the same measure, they are said to be congruent. If the matching sides and angles of two triangles are the same, they are said to be congruent. In this post, we will learn more about congruence and congruent figures.The word 'congruent' means 'exactly equal' in terms of shape and size. Even when we turn, flip, or rotate the shapes, they remain equal.Hence,The corresponding sides and angles of both the triangles [pre-image and the image] are congruent
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what is the probability that all 6 workers are selected from the same shift? again, assume the employees are selected sequentially and not all at once. round your answer to four decimal places. save your answer as p allsame.
For a production company of total 24 workers, who works in different shifts. The probability that all 6 workers are selected from the same shift is equals to the 0.0019.
We have a company with faculty working in different shifts. Total number of workers in company = 10 + 8 + 6 = 24
Number of workers work in day shift = 10
Number of workers work in swing shift= 8
Number of workers work in graveyard shift = 6
Now, 6 workers are randomly selected from among 24. That is any of group of 6 can be selected. Number of possible ways to select 6 out of 24 = ²⁴C₆=134,596.
Number of ways to select a group of 6 workers from morning shift = ¹⁰C₆ = 210
Number of ways to select a group of 6 workers from swing shift = ⁸C₆= 56
Number of ways to select a group of 6 workers from graveyard shift = ⁶C₆ = 1
Now, probability to select the group of 6 from morning shift = \(\frac{210}{134596}\)
Probability to select the group from morning shift = \(\frac{56}{134596}\)
Probability to select the group from graveyard shift=\(\frac{1}{134596}\).
Total probability for selecting a group of 6 workers from same shift \(= \frac{210}{134596} + \frac{56}{134596} + \frac{1}{134596} \)
\(= \frac{267}{134596}\)
= 0.00198
Hence, required probability is 0.0019.
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Complete question:
a production company factory 10 workers on day shift , 8 workers on swing shift and 6 workers on graveyard shift. A quality control team select 6 workers for in depth interviews.. Suppose the selection made in such a way that any particular group of 6 workers has same chance to selecting as does any other group( drops 6 slips without replacement from among 24 )
what is the probability that all 6 workers are selected from the same shift, again, assume the employees are selected sequentially and not all at once. round your answer to four decimal places. save your answer as p all same.
Which number sentence matches this model?
Answer:
D
Step-by-step explanation:
dy ex+y = xy For the following implicity defined curves, find dx
The derivative dx for the curve defined by the equation dy = ex+y - xy is given by dx = (ex+y - xy - y) / [1 - (ex+y)].
To find dx for the curve defined by the equation dy = ex+y - xy, we can use implicit differentiation.
Taking the derivative of both sides with respect to x, we get:
d/dx(dy) = d/dx(ex+y - xy)
Using the chain rule, we have:
dy/dx = (d/dx)(ex+y) - (d/dx)(xy)
To differentiate ex+y, we use the chain rule again:
dy/dx = (ex+y)(d/dx)(x+y) - (d/dx)(xy)
dy/dx = (ex+y)(1 + dy/dx) - (x)(dy/dx) - y
Next, we isolate dy/dx by moving the terms involving dy/dx to one side:
dy/dx - (ex+y)(dy/dx) = (ex+y) - xy - y
dy/dx[1 - (ex+y)] = ex+y - xy - y
Finally, we can solve for dx:
dx = (ex+y - xy - y) / [1 - (ex+y)]
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A box contains only apple sweets, pear sweets and cherry sweets. The ratio of apple sweets to pear sweets is 2: 5. Olivia picks a sweet at random from the box. The probability that it is an apple sweet is 2/11 What is the probability that it is a cherry sweet? Give your answer as a fraction in its simplest form.
The probability that the sweet is a cherry sweet is given as follows:
p = 4/11.
How to calculate a probability?A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.
The probability that it is an apple sweet is 2/11, and the ratio of apple sweets to pear sweets is 2: 5, hence the probability of a pear sweet is given as follows:
p = 5/11.
Then the probability that the sweet is a cherry sweet is given as follows:
p = 1 - (5/11 + 2/11)
p = 1 - 7/11
p = 11/11 - 7/11.
p = 4/11.
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______________________________ (three words) are a precise mathematical description of the semantics of an executing program.
Program State Model describes a precise mathematical description of the semantics of an executing program.
This model is used to illustrate how the program executes and to determine its behavior. It is composed of three components: states, transitions, and actions. A program state is a snapshot of the program's state at a particular point in its execution. It includes the values of variables and other resources. Transitions are the changes that occur between states, and are caused by the execution of instructions. Finally, actions are the operations that are performed by the program as it transitions from one state to the next. All of these components together provide a mathematical model for understanding the behavior of a program.
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Which the correct solution of the equation 1/2a + 2/3b = 50, when b=30
According to the given formula, the value of a is:
60
If b=30 then 1/2a+2/3b=50
How do you find the value of a in the given equation?First, replace the 30 in b.
1/2a+2/3(30)=50
According to the order of operations, we must first multiply 2/3 by 30. yes:
2/3 times 30 is equal to 20.
2/3 times 30/1. 3 is 10 times 30, so 2 times 10 = 20. Now it looks like this:
1/2a+20=50
20 and 50 are similar terms, so I'll put those two together. Move the positive 20 to the other side where the 50 is. 20 has moved to the other side, so it changes sign and becomes negative.
yes:
1/2a=50-20
50-20 = 30
1/2a=30
Multiply each side by 2, because only 2 makes the variable 1a.
1/2a × 2 = 1a
30 times 2 = 60, so:
1a=60, which is also a=60. So a perfect simplification is a= 60
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HEED HELP QUICK!!! THANK YOU!!
The system of equations that could be used to determine the number of gift wraps and the gift packs is x + y = 21 and 4.5x + 2y = 79.5
What are linear equations?Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the system of equations?A system of linear equations is a collection of at least two linear equations.
In this case, the variables of the system of equations are:
x represents the number of single wrapsy represents the number of gift packsFrom the question, we have:
Total gift = 21
Total minute = 79.5 minutes
Time spent on single wrap = 4.5 minutes
Time spent on gift pack = 2 minutes
So, we have the following system of equations:
x + y = 21
4.5x + 2y = 79.5
Hence, the system of equations that could be used to determine the number of gift wraps and the gift packs is x + y = 21 and 4.5x + 2y = 79.5
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Two motorcycles are traveling due east with different velocities. However, four seconds later, they have the same velocity. During this four-second interval, cycle A has an average acceleration of 1.8 m/s^2 due east, while cycle B has an average acceleration of 3.8 m/s^2 due east.
a) By how much did the speeds differ at the beginning of the four-second interval?
b) Which motorcycle was moving faster?
Two motorcycles are initially traveling with different velocities and experience different accelerations for a four-second interval. The problem asks for the initial speed difference between the motorcycles and which motorcycle was moving faster.
Let's denote the initial velocities of cycles A and B as vA and vB, respectively. During the four-second interval, cycle A has an average acceleration of 1.8 m/s^2, and cycle B has an average acceleration of 3.8 m/s^2. We can use the formula for average acceleration, a = (vf - vi) / t, where a is acceleration, vf is final velocity, vi is initial velocity, and t is time.
From the given information, we have:
Cycle A: aA = 1.8 m/s^2, t = 4 s
Cycle B: aB = 3.8 m/s^2, t = 4 s
Using the formula, we can solve for the initial velocity difference:
aA = (vfA - vA) / 4
1.8 = (vfA - vA) / 4
vfA - vA = 7.2
aB = (vfB - vB) / 4
3.8 = (vfB - vB) / 4
vfB - vB = 15.2
From the above equations, we can see that the speed difference at the beginning of the four-second interval is 7.2 m/s (cycle A) and 15.2 m/s (cycle B).
To determine which motorcycle was moving faster, we compare the initial velocities. Since 7.2 m/s is less than 15.2 m/s, cycle A was moving faster initially.
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AP CAL AB HELP!
A plane flying with a constant speed of 14 km/min passes over a ground radar station at an altitude of 11 km and climbs at an angle of 25 degrees. At what rate is the distance from the plane to the radar station increasing 4 minutes later?
The distance is increasing at equation editorEquation Editor____ km/min.
Answer:
\(\frac{dc}{dt}\approx13.8146\text{ km/min}\)
Step-by-step explanation:
We know that the plane travels at a constant speed of 14 km/min.
It passes over a radar station at a altitude of 11 km and climbs at an angle of 25°.
We want to find the rate at which the distance from the plane to the radar station is increasing 4 minutes later. In other words, if you will please refer to the figure, we want to find dc/dt.
First, let's find c, the distance. We can use the law of cosines:
\(c^2=a^2+b^2-2ab\cos(C)\)
We know that the plane travels at a constant rate of 14 km/min. So, after 4 minutes, the plane would've traveled 14(4) or 56 km So, a is 56, b is a constant 11. C is 90+20 or 115°. Substitute:
\(c^2=(56)^2+(11)^2-2(56)(11)\cos(115)\)
Evaluate:
\(c^2=3257-1232\cos(115)\)
Take the square root of both sides:
\(c=\sqrt{3257-1232\cos(115)}\)
Now, let's return to our law of cosines. We have:
\(c^2=a^2+b^2-2ab\cos(C)\)
We want to find dc/dt. So, let's take the derivative of both sides with respect to t:
\(\frac{d}{dt}[c^2]=\frac{d}{dt}[a^2+b^2-2ab\cos(C)]\)
Since our b is constant at 11 km, we can substitute this in:
\(\frac{d}{dt}[c^2]=\frac{d}{dt}[a^2-(11)^2-2a(11)\cos(C)]\)
Evaluate:
\(\frac{d}{dt}[c^2]=\frac{d}{dt}[a^2-121-22a\cos(C)]\)
Implicitly differentiate:
\(2c\frac{dc}{dt}=2a\frac{da}{dt}-22\cos(115)\frac{da}{dt}\)
Divide both sides by 2c:
\(\frac{dc}{dt}=\frac{2a\frac{da}{dt}-22\cos(115)\frac{da}{dt}}{2c}\)
Solve for dc/dt. We already know that da/dt is 14 km/min. a is 56. We also know c. Substitute in these values:
\(\frac{dc}{dt}=\frac{2(56)(14)-22\cos(115)(14)}{2\sqrt{3257-1232\cos(115)}}\)
Simplify:
\(\frac{dc}{dt}=\frac{1568-308\cos(115)}{2\sqrt{3257-1232\cos(115)}}\)
Use a calculator. So:
\(\frac{dc}{dt}\approx13.8146\text{ km/min}\)
And we're done!
Dynamics can be written anywhere in band music.
True or False
how do you differentiate linear equation from those equatipn which are not linear?
Answer:
the x
Step-by-step explanation:
Looking at the x in an equation can reveal its shape. A linear graph can look like y=x, y=mx, y=mx+b (m being any number).
When you look at graphs that aren't linear, the x doesn't stand alone in the equation.
Parabolas have a y=x^2 equation. Cubic graphs are y=x^3. They have something attached to the x.
To see all the different kinds of equations and what their graphs look like you can search up "parent functions" and all the basic formulas show up.
please help ASAP
Consider the line y=5/4x-3
Find the equation of the line that is perpendicular to this line and passes through the point (5,-3)
Find the equation of the line that is parallel to this line and passes through the point (5,-3)
Answer:5/4 and x
Step-by-step explanation:
dont trust me sorry
Which of the following correctly expresses the number below in scientific notation? 0.000276
Answer:
2.76 × 10^ − 4
Step-by-step explanation:
answer please need belp ???
triangle sum theorem
WILL MARK BRAINLIEST
Step-by-step explanation:
13) 4x-22+x+11+10x-4 =180
15x=195
x=13
<P=(10(13)-4)=126
<Q=(4(13)-22)=30
<R=13+11=24
The Gateway Arch in St. Louis was designed by Eero Saarinen and was constructed using the equation y=211.49-20.96 cosh 0.03291765x for the central curve of the arch, where x and y are measured in meters and |x| ≤ 91.20. At what points is the height 100 m?
To find the points where the height of the Gateway Arch is 100 meters, we need to solve the equation y = 100 for x.
Substituting y = 100 into the equation for the central curve of the arch, we get:
100 = 211.49 - 20.96 cosh (0.03291765x)
Rearranging the equation, we get:
cosh (0.03291765x) = (211.49 - 100) / 20.96
cosh (0.03291765x) = 5.21
Taking the inverse hyperbolic cosine of both sides, we get:
0.03291765x = acosh(5.21)
x = (1/0.03291765) acosh(5.21)
Solving for x using a calculator, we get:
x = ± 64.975
Therefore, the height of the Gateway Arch is 100 meters at the points (64.975, 100) and (-64.975, 100).
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