In a right triangle, θ is an acute angle and tan(θ) = −1. Evaluate the
other five trigonometric functions of θ

As per the given information, the total length of a rectangle is 216mm²

Length of the rectangle = 8 mm = 5.2 cm

Width of the rectangle = 27 mm =   2.0 cm

A quadrilateral, also known as a four-sided polygon, is characterised by four right angles, each of which is 90 degrees, and opposing sides that are parallel and of equal length. It is a four-sided geometric object having right angles at each of its four corners and opposing sides that are parallel and of equal length.

Using the formula for area of rectangle -

Area of rectangle = Length x width

Substituting the values -

Area = 27 x 8

= 216

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An expression equivalent to (5x2 + 3x + 4)-(2x2 + 1)-(7x + 3) using the fewest number of possible terms is calculated to be 3x² - 4x.

We can simplify the given expression by combining like terms. By doing so, we can obtain an equivalent expression with the fewest number of possible terms. In this case, we combine the terms with the same variable and exponent and simplify the constant terms to get the simplified expression of 3x² - 4x.

(5x² + 3x + 4) - (2x² + 1) - (7x + 3)

= 5x² + 3x + 4 - 2x² - 1 - 7x - 3 (distributing the negative sign)

= (5x² - 2x²) + (3x - 7x) + (4 - 1 - 3)

= 3x² - 4x

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Answer:

y=3x-12

Step-by-step explanation:

We can simply apply the formula;

[tex]y = y1 = m(x - x1)[/tex]

When x1 and y1 are points on the line and m is the gradiant

Hence,

[tex]y - ( - 3) = 3(x - 3)[/tex]

[tex]y + 3 = 3x - 9[/tex]

Hence when arranging to yields:

[tex]y = 3x - 12[/tex]

Hopefully this helps!! :)

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Answer:

To solve for P(A[B), we can use Bayes' theorem, which states that P(A[B) = P(A^B) / P(B). Using the information given, we know that P(A^B') = ², which means that P(B') = 1 - P(B) = 1 - 3 = 2. Therefore, we can also find that P(A^B) = P(B) - P(B^A') = 3 - ² = ². Finally, we can plug these values into Bayes' theorem to get P(A[B) = ² / 3.

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2/3 is answer

a) The null hypothesis is H0: mu = $27.
b) The alternative hypothesis is one-sided, as the analyst wants to know if the mean purchase amount of all transactions is at least $27. So, Ha: mu > $27.

c) To calculate the test statistic, use the formula: (sample mean - null hypothesis mean) / (standard deviation / sqrt(sample size)). Plugging in the given values: (32.84 - 27) / (14.35 / sqrt(25)) = 5.84 / (14.35 / 5) = 5.84 / 2.87 = 2.04. The test statistic is 2.04 (rounded to two decimal places).
d) To find the P-value, look up the test statistic (2.04) in the t-distribution table with 24 degrees of freedom. The P-value for a one-sided test is 0.0264 (rounded to four decimal places).
e) With a significance level of α = 0.005, the P-value is 0.0264, which is greater than α. So, we fail to reject the null hypothesis. There is not enough evidence to conclude that the mean purchase amount of all transactions is greater than $27.

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Answer:

3800 invested at 7%; 3200 invested 12%

Step-by-step explanation:

We will need a system of equations to solve for the interest invested at both interest rates.

We can allow x to represent the amount invested at 7% and y to represent the amount invested at 12%.

We know that the amount invested at 7% + the amount invested at 12% = total investment

Thus, our first equation is x + y = 7000

We further know that the interest earned at 7% + the interest earned at 12% = total interest earned

Since we calculate interest by multiplying the investment and the interest rate, our other equation is 0.07x + 0.12y = 650 (we had to convert the percentages to decimals for the sake of the problem)

We can solve first for y by isolating x in the first equation and plugging it in for y in the second equation:

[tex]x+y=7000\\x=-y+7000\\\\0.07(-y+7000)+0.12y=650\\-0.07y+490+0.12y=650\\0.05y+490=650\\0.05y=160\\y=3200[/tex]

Now that we've found y, we can solve for x using any of the two equations, although the equation with no coefficients is much simpler:

[tex]x+3200=7000\\x=3800[/tex]

Now, we can check by plugging in 3800 for x and 3200 for y in both equations:

First equation

3800 + 3200 = 7000

7000 = 7000

Second equation

0.07(3800) + 0.12(3200) = 650

266 + 384 = 650

650 = 650

The measure of the amount of variation in the observed values of the response variable that is explained by multiple linear regression is called the coefficient of determination, or R-squared.

R-squared is a statistical measure that ranges from 0 to 1 and represents the proportion of the variance in the dependent variable that is explained by the independent variables in the model. An R-squared value of 1 indicates that all of the variation in the response variable is explained by the independent variables, while a value of 0 indicates that none of the variation is explained by the model.

R-squared is a useful tool for evaluating the goodness of fit of a multiple linear regression model and can be used to compare different models. However, it is important to keep in mind that R-squared alone does not necessarily indicate the validity or usefulness of a model, and other factors should also be considered in model selection and evaluation.

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Answer:

x = 45

Step-by-step explanation:

y is the score on the test. To find the amount of time to study he needs to get a score of 90 on his next test, we need to find x ("y=1/5x+81 models his score after studying for x minutes.")

Initial equation
[tex]y = \frac{1}{5}x + 81[/tex]

Replace y with 90
[tex]90 = \frac{1}{5}x + 81[/tex]

Find for x
[tex]90 - 81 = \frac{1}{5}x[/tex]
[tex]9 = \frac{1}{5}x[/tex]
[tex]5 * 9 = 5 * \frac{1}{5}x[/tex]
[tex]45 = x[/tex]

Therefore, Jonas needs 45 minutes to get 90 on his next test.

I apologize, but I am having difficulty understanding your question. Can you please provide more information or clarify the terms and calculations you are requesting. Here's a step-by-step explanation to find a formula for the balance after each month:

1. Start with the initial balance on your MasterCard: $6,000.
2. Each month, you make a minimum payment (let's call it 'P') of the balance.
3. After making the payment, the remaining balance will be Balance - Payment = 6000 - P.
4. Assuming no additional charges and an interest rate (let's call it 'i'), we can calculate the new balance after interest is added.
5. New balance = (Remaining balance) * (1 + i) = (6000 - P) * (1 + i).
6. To find the balance after each month, replace 'n' in the formulation with the number of months that passed.

The formula for the balance after 'n' months would be: (6000 - P) * (1 + i)^n.

Please note that you will need to know the minimum payment percentage ('P') and the interest rate ('i') to calculate the exact balance.

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The cylinders that have the same volume as the one given are: option C and option F.

The volume of a cylinder = V = πr²h

Note: r is the radius and h is the height of the cylinder.

The cylinder given has:

h = 32 m

r = 20/2 = 10 m

V = π* 10² * 32 ≈ 10053.1 m³

Option A:

h = 16 m

r = 40/2 = 20 m

V = π*20²*16 ≈ 20106.2 m³

Option B:

h = 64 m

r = 5/2 = 2.5 m

V = π * 2.5² * 64 ≈ 1256.6 m³

Option C:

h = 8 m

r = 40/2 = 20 m

V = π * 20² * 84 ≈ 10053.1 m³

Option D:

h = 64 m

r = 10/2 = 5 m

V = π * 5² * 64 ≈ 5026.55

Option E:

h = 20 m

r = 32/2 = 16 m

Volume = π * 16² * 20 ≈ 16084.95 m³

Option F:

h = 128 m

r = 10/2 = 5 m

Volume = π * 5² * 128 ≈ 10053.1 m³

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In this case, the exponential term (4^n) grows much faster than the quadratic term (n^2). Therefore, the numerator will grow at a much faster rate than the denominator as n approaches infinity. Consequently, the limit does not exist, and the sequence is divergent.

The given sequence is: f_n = 9/(4^n) + 13.

To determine whether this sequence is convergent or divergent, we can take the limit of f_n as n approaches infinity:

lim (n → ∞) f_n = lim (n → ∞) (9/(4^n) + 13)

As n approaches infinity, (4^n) goes to infinity much faster than 9, so the entire first term of the sequence goes to 0. Therefore:

lim (n → ∞) f_n = lim (n → ∞) (0 + 13) = 13

Since the limit exists and is finite, the sequence converges. Its limit is 13.
To determine whether the given sequence is convergent or divergent, we first need to identify the sequence. Based on your question, it appears the sequence is:

f(n) = (9(4^n) + 13) / (n^2)

Now, let's evaluate the limit as n approaches infinity:

lim (n → ∞) (9(4^n) + 13) / (n^2)

In this case, the exponential term (4^n) grows much faster than the quadratic term (n^2). Therefore, the numerator will grow at a much faster rate than the denominator as n approaches infinity. Consequently, the limit does not exist, and the sequence is divergent.

Your answer: The sequence is divergent.

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Using the inscribed angle theorem, the value of x is calculated as: x = 96 degrees.

We have to recall the inscribed angle theorem in order for us to create an equation that would enable us calculated the value of x in the circle that is given above. The theorem simply states the following:

Measure of intercepted arc = 2(measure of inscribed angle).

The intercepted arc = x

The inscribed angle = 48 degrees

Therefore, applying the theorem we have equation below:

x = 2(48)

x = 96°

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The quotient of the polynomials is 6x^2 - 2x + 5 with a remainder of -50.

To find the quotient of the polynomials  ÷ (2x + 5), you can use polynomial long division as follows:

       6x^2 - 2x + 5

 -----------------------

2x + 5 | 12x^3 + 26x^2 + 25

- (12x^3 + 30x^2)

---------------

-4x^2 + 25

- (-4x^2 - 10x)

--------------

35x + 25

- (35x + 75)

-------------

-50

Therefore, the quotient of the polynomials is 6x^2 - 2x + 5 with a remainder of -50.

Th given number " six hundred thousand eight" can be written in the standard form as 600,008.

To write "six hundred thousand eight" in standard form, we need to write the number using digits in the appropriate place value positions.

The digit "8" is in the "ones" position, the digit "0" is in the "tens" position, the digit "0" is in the "hundreds" position, the digit "0" is in the "thousands" position, the digit "0" is in the "ten thousands" position, and the digit "6" is in the "hundred thousands" position.

Therefore, it can be concluded that we can write the given number in standard form as 600,008.

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To estimate the mean farm size for the region with 90% confidence, we can use the t-distribution since the population standard deviation is not known and the sample size is small (n = 11).

First, we need to calculate the sample mean and the sample standard deviation:

Sample mean (x) = (67 + 165 + 170 + 296 + 351 + 409 + 486 + 770 + 1092 + 1321 + 2612) / 11 = 643.36

Sample standard deviation (s) = √[Σ(xi - x)² / (n - 1)] = 565.90

Next, we need to find the t-value for a 90% confidence interval with 10 degrees of freedom (n-1=11-1=10). Using a t-distribution table or calculator, the t-value for a 90% confidence interval with 10 degrees of freedom is 1.812.

Finally, we can calculate the confidence interval for the population mean:

Margin of error (E) = t-value * (s / √n) = 1.812 * (565.90 / √11) = 374.23

Lower bound of the confidence interval = x- E = 643.36 - 374.23 = 269.13

Upper bound of the confidence interval = x+ E = 643.36 + 374.23 = 1017.59

Therefore, we can estimate with 90% confidence that the mean farm size in the region is between 269.13 acres and 1017.59 acres. Rounded to two decimal places in ascending order, the interval is (269.13, 1017.59).

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i) The variation of parameters method can be used to find the second solution. Let y = u(x)cos(2x), then y' = u'(x)cos(2x) - 2u(x)sin(2x), and y'' = u''(x)cos(2x) - 4u'(x)sin(2x) - 4u(x)cos(2x).

Substituting these into the differential equation, we get:

u''(x)cos(2x) - 4u'(x)sin(2x) - 4u(x)cos(2x) + 4u(x)cos(2x) = 0

Simplifying, we get:

u''(x)cos(2x) - 4u'(x)sin(2x) = 0

Dividing by cos(2x), we get:

u''(x) - 4tan(2x)u'(x) = 0

This is a first-order linear differential equation, which can be solved using an integrating factor. The integrating factor is e^(-2ln|cos(2x)|) = cos^(-2)(2x). Multiplying both sides by this, we get:

cos^(-2)(2x)u''(x) - 4cot(2x)cos^(-2)(2x)u'(x) = 0

The left-hand side is the derivative of cos^(-2)(2x)u'(x) with respect to x, so we can integrate both sides to get:

cos^(-2)(2x)u'(x) = C1

where C1 is a constant of integration. Integrating again, we get:

u(x) = C1int(cos^(-2)(2x)dx) + C2

This integral can be evaluated using the substitution u = sin(2x), du/dx = 2cos(2x), to get:

u(x) = C1arcsin(tan(2x)) + C2

Therefore, the second linearly independent solution is y = u(x)cos(2x) = (C1arcsin(tan(2x)) + C2)cos(2x).

ii) The general solution is y = c1cos(2x) + c2[(arcsin(tan(2x)))cos(2x)], where c1 and c2 are constants.

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In this case, you're looking for the critical value of a left-tailed t-test with a significance level (α) of 0.01 and 8 degrees of freedom (df).

A left-tailed test focuses on the lower tail of the distribution, and the rejection region is in the left tail. Since it's a one-tailed test, there's no need to find a critical value for the unused region, so we will enter "NONE" for that.

To find the critical value, you need to consult a t-distribution table or use a calculator or software that provides t-distribution values. Look for the value that corresponds to a 0.01 significance level (α) and 8 degrees of freedom (df).

After checking the t-distribution table or using a calculator, you'll find the critical value to be approximately -2.896. So, for this left-tailed t-test, any t-value less than -2.896 would fall into the rejection region, indicating a significant result.

In summary:
- Critical value (left-tailed): -2.896 (rounded to three decimal places)
- Critical value (unused region): NONE

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For scenario 1, the appropriate statistical test to run is an independent samples t-test. The null hypothesis would be that there is no significant difference in weight gain between cows raised in a pen and those raised in an open pasture.

For scenario 2, the appropriate statistical test to run is a chi-squared test for independence. The null hypothesis would be that there is no significant association between the type of environment the cows were raised in and their weight status (healthy vs. undernourished).

For scenario 3, the appropriate statistical test to run is a one-sample t-test. The null hypothesis would be that the mean weight of the cows raised in the small pen is equal to 1,300 pounds.
1. In the first scenario, the farmer should use an independent samples t-test. The null hypothesis would be: There is no significant difference in the weight of Holstein cows (Bos Taurus) raised in a small pen compared to those raised in an open pasture.

2. In the second scenario, the farmer should use a chi-square test of independence. The null hypothesis would be: There is no significant association between the rearing environment (small pen or open pasture) and the health status (healthy or undernourished) of Holstein cows (Bos Taurus).

3. In the third scenario, the farmer should use a one-sample t-test on the log-transformed weights. The null hypothesis would be: The mean log-transformed weight of Holstein cows (Bos Taurus) raised in a small pen is equal to the log-transformed weight of 1,300 pounds, indicating no significant difference from the expected average adult cow weight.

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The probability that a student chosen randomly from the class has a brother and a sister is 3/29

From the table, we have the following values

Number of students = 29

Students that have a brother and a sister = 3

The probability is then calculated using:

P = Students that have a brother and a sister/Number of students

Substitute known values

P = 3/29

Hence, the probability that a student chosen randomly from the class has a brother and a sister is 3/29

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The number 1.1 in this scenario is the population standard deviation, which represents the variability of the entire population.

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean. Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.

The sample standard deviation of 0.92 is an estimate of the population standard deviation based on the sample data. The sample mean of 5 is also an estimate of the population mean based on the sample data. By using the sample statistics, we can make inferences about the population parameters with a certain level of confidence.

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The domain of the given function is the one in option A,

Domain = 4 ≤x ≤13

To identify this, just look at the horizontal axis (which is the axis of the inputs, and we know that the domain is the set of the inputs of the function), here we can see that the graph (which is the bell-shaped curve) starts at 4 and ends at 13.

Then the domain is the set of all values between these two, we can write this as:

Domain = 4 ≤x ≤13

Thus the correct option is A.

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To declare variable's length, width, and area that can hold decimal values like 13.5 and 14.6, the following code can be used: var length = 13.5;

var width = 14.6; var area = length * width; The variables length and width hold the decimal values of 13.5 and 14.6 respectively, and the variable area is calculated by multiplying the length and width variables.

These variables can be used to represent the dimensions of a rectangular shape in a program or application. Additionally, if the values of length and width are subject to change, they can be updated to reflect the new values and the area variable can be recalculated accordingly.

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The probability( likelihood ) that fewer than 3 people in the group of 20 use the social media website is approximately 0.483.

Let X be the number of individuals within the gather of 20 who utilize the social media website.

Since each individual within the bunch either employments or does not utilize the site, X takes after a binomial conveyance with parameters n=20 and p=0.15.

a) P(X = 3) can be calculated utilizing the binomial likelihood equation:

P(X = 3) = (20 choose 3) * [tex]0.15^3 * 0.85^17[/tex]

Employing a calculator, we get:

P(X = 3) ≈ 0.202

In this manner, the likelihood that precisely 3 individuals within the bunch of 20 utilize the social media site is roughly 0.202.

b) P(X < 3) can be calculated utilizing the aggregate dispersion work of the binomial conveyance:

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

Utilizing the binomial likelihood equation, we get:

P(X = 0) = [tex]0.85^20[/tex] ≈ 0.026

P(X = 1) = (20 select 1) * [tex]0.15^1 * 0.85^19[/tex] ≈ 0.149

P(X = 2) = (20 select 2) * [tex]0.15^2 * 0.85^18[/tex] ≈ 0.308

Including these probabilities, we get:

P(X < 3) ≈ 0.483

In this manner, the likelihood that less than 3 individuals within the gather of 20 utilize the social media site is around 0.483. 

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There are two solutions does the equation have.

We have to given that;

The equation is,

⇒ 5x² + 3x + 8

Now, We can see that;

The degree of equation is, 2

Hence, There are two solution of the equation are possible.

Thus, There are two solutions does the equation have.

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Answer:

23/77

Step-by-step explanation:

To simplify this expression, we need to find a common denominator for all the fractions. The smallest common multiple of 7 and 11 is 77. So, we'll convert each fraction to an equivalent fraction with a denominator of 77.

5/7 = (5 * 11)/ (7 * 11) = 55/77

2/11 = (2 * 7)/ (11 * 7) = 14/77

-8/7 = (-8 * 11)/ (7 * 11) = -88/77

6/11 = (6 * 7)/ (11 * 7) = 42/77

Now we can add the fractions:(55/77) + (14/77) + (-88/77) + (42/77) = 23/77So the simplified answer is 23/77.

Answer:

Step-by-step explanation:

Answer: The angles are supplementary, the value of x is 141

Step-by-step explanation:

Because this shows a straight line with two angles, one being algebraic (albeit unrelated to finding if the angles are supplementary) this tells you that the value of x is found by using an equation like this:

[tex]\left(x-13\right)=180-52[/tex]

You can then subtract 52 from 180, giving you

[tex]\left(x-13\right)=128[/tex]

Now you can add 13 to both sides

[tex]x-13+13=128+13[/tex]

[tex]x=141[/tex]

The numbers in order from least to greatest are -20, -9, -5, -2, 2.2, 2.5, 2.7

The absolute value of 34 is |34|

The winner of the tournament is Whitney who scored -16.

February 2nd was warmer with a high temperature of 48 °F.

Chicken salad > Hamburger

A system of writing numbers is known as a number system. It is the mathematical notation for consistently employing digits or other symbols to represent the numbers in a particular set.

It represents the arithmetic and algebraic structure of the numbers and gives each number a distinct representation.

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Answer:60

Step-by-step explanation:

We can start by splitting the figure into 3 rectangals. one with side lengths 4,6 another with 5,4 and another with 4,4. Then we get 24+20+16=60

Answer:

The fourth vertex needed to create a rectangle with vertices located at (−17, 15), (−17, −7), and (−5, −7) is (-5, 15).

Step-by-step explanation:

Rectangle is a two dimensional figure which has four sides and four angles and all the angles are right angles.

Given three vertices, let it be A, B and C.

A(-17, 15), B(-17, -7) and C(-5, -7).

Let D be the point required.

By looking at other points, we can see that the sides of a rectangle will be parallel to the axes.

So, we know that the fourth point must have the same y coordinate as that of A and has same x coordinate as that of C.

So the forth vertex D is (-5, 15).

Hence the forth vertex is (-5, 15).