if in ∆ABC, angle C=90 then cos(A+B )=​

To calculate the price of a common stock that pays regular dividends, we could begin with the general formula for the valuation of a dividend-paying stock.

The formula is known as the Dividend Discount Model (DDM) or the Gordon Growth Model. It calculates the present value of all future dividends and the stock's expected growth rate. The general formula is:

Price of Stock = Dividend / (Required Rate of Return - Dividend Growth Rate)

In this formula:

- Dividend refers to the expected dividend payment for a specific period.

- Required Rate of Return is the minimum rate of return an investor expects to receive from the stock. It represents the opportunity cost of investing in that stock.

- Dividend Growth Rate is the estimated rate at which the company's dividends are expected to grow over time.

By plugging in the appropriate values for the dividend, required rate of return, and dividend growth rate, you can calculate the price of a common stock using this formula. It's important to note that this formula assumes a constant growth rate in dividends, which might not be applicable for all stocks.

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First you will get 4dz

The positive angles for each trigonometric function are as follows:

a) arcsin(U): 1 radian and 2.6 radians

b) arccos(U): 2 radians

c) arctan(U): 1 radian and 2 radians

a) To find the positive angles for arcsin(U), we use the inverse sine function. Since U = -0.383, we can calculate arcsin(U) using a calculator or trigonometric tables. The solutions for arcsin(U) are 1 radian and 2.6 radians.

b) For arccos(U), we use the inverse cosine function. Since U = -0.383, we can calculate arccos(U) using a calculator or trigonometric tables. The solution for arccos(U) is 2 radians.

c) To find the positive angles for arctan(U), we use the inverse tangent function. Since U = -0.383, we can calculate arctan(U) using a calculator or trigonometric tables. The solutions for arctan(U) are 1 radian and 2 radians.

Therefore, the positive angles for each trigonometric function are as follows:

a) arcsin(U): 1 radian and 2.6 radians

b) arccos(U): 2 radians

c) arctan(U): 1 radian and 2 radians

Note: The angles are given in radians as requested.

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Step 1

Total number of hats = 394

Cost per hat = $7.49

Step 2:

You will multiply to find the total cost of 394 hats.

Final answer

Total cost of 394 hats = $2951.06

Slope: A number that describes both the direction and steepness of a line

Unit rate:A ratio that is used to compare quantities

Answer:

15 feet

Step-by-step explanation:

-1.5 × 10 = -15

so -15 = 15 feet deep.

have a nice day!

The correct answer of joint hypotheses on multiple regression coefficients ption (D) is the exception in this case.

In multiple regression analysis, joint hypotheses involve the null hypothesis of equality or inequality between two or more regression coefficients.

Option (A) H0: 3/2 = 1 and 4 = 0 is an example of a joint hypothesis that involves the null hypothesis of equality between two regression coefficients.

Where the coefficients are 3/2 and 1, and another null hypothesis of inequality between a coefficient and zero, where the coefficient is 4.

Option (C) H0: 1 = −2 and 1 + 2 = 1 is an example of a joint hypothesis that involves the null hypothesis of equality between a coefficient and a negative value.

Where the coefficient is 1, and another null hypothesis of equality between the sum of two coefficients and a value, where the coefficients are 1 and 2.

Option (D) H0: 2 = 0 and 3 = 0 is an example of a joint hypothesis that involves the null hypothesis of equality between two coefficients and zero, where the coefficients are 2 and 3.

However,

Option (B) H0:1 + 2 = 1 is not a joint hypothesis involving regression coefficients.

It is simply an equation involving two constants, 1 and 2, and the null hypothesis states that their sum is equal to 1.

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Answer:

Below.

Step-by-step explanation:

Step 1:  it is  5  x 10^-6 not 5 x 10^-5.

Step 5 : the result of the addition is 170 x 10^-4 not 170 x 10^-8.

Answer: yes that is correct explanation:

The Expression that have a product greater than 4 is one hundred  and one hundredths times four , the correct option is (d).

In the question ,

four expressions are given as

(a) four times ninety-nine hundredths

= 4 × 99/100

= 4 × 0.99

= 3.96

(b) four times eight-eighths

= 4 × 8/8

= 4 × 1

= 4

(c) three-fourths times four

= 3/4 × 4

= 3

(d) one hundred  and one hundredths times four

= 1.01 × 4

= 4.04

Therefore , The Expression that have a product greater than 4 is one hundred and one hundredths times four .

The given question is incomplete , the complete question is

Which of the following expressions will have a product greater than 4?

(a) four times ninety-nine hundredths

(b) four times eight-eighths

(c) three-fourths times four

(d) one hundred and one hundredths times four

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Step-by-step explanation:

In a parallelogram, opposite sides are equal and parallel. Therefore,

QT = PS = 3y ...(1)

PT + TR = PS

y + 2x + 1 = 3x + 9

2x - y = 4 .....(2)

PR = QT = 3y

PR = SQ = 3x + 9 ....(3)

From equations (1) and (3), we can see that:

3y = 3x + 9

y = x + 3

Substitute this value of y in equation (2):

2x - (x + 3) = 4

x = 7

To find the value of y, we can substitute x = 7 in equation (2):

2(7) - y = 4

y = 10

Therefore, x = 7 and y = 10.

Answer:

Step-by-step explanation:

I hope it helps :)

Answer:

B. should be roughly equivalent because the participants were labeled and then randomly selected  for the groups

Step-by-step explanation:

Just passed the quiz

The value of k for the given expression will be k = -11.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the equation 3√(x-k) -2=10 has a solution of x=5. The value of k will be calculated as:-

3√(x-k) -2=10

3√(x-k) =12

√(x-k) = 4

x - k = 16

5 - k = 16

k = -11

Therefore, the value of k will be -11.

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Answer:

3768

Step-by-step explanation:

The question is asking for the volume of the "cylinder" straw.

1cm = 10mm

30cm = 300mm

Volume of a cylinder = \(\pi r^2h\)

The radius is half of the diameter = 4/2 = 2

Radius squared is 4

Height is 300mm

1200mm * 3.14 = 3768

I am not very sure, since I am not that familiar with cylinders. Sorry if this is wrong.

Hope this helps :)

Have a great day!

Answer:

The required inequality is \(40-6b\leq 10\).

Jhon can buy at most 5 books.

Step-by-step explanation:

Consider the provided information.

Part(A)

Let b represent the number of books John buys.

He wants at least $10 in his savings account which means if we subtract the cost of books from $40 we have at least $10 left.

\(40-6b\leq 10\)

The required inequality is \(40-6b\leq 10\).

Part(B)

\(40-6b\leq 10\)

\(-6b\leq 10-40\)

\(b \leq\frac{30}{6}\)

\(b\leq 5\)

Part(C):  Jhon can buy at most 5 books.

Answer:

Option 4: a reflection over the y-axis and a translation 4 units down

Step-by-step explanation:

f(x) = 3x + 1 ---> g(x) = -3x - 5

to go from 3x to -3x is a reflection across the y axis

to go from 1 to -5 is a shift 4 units down

Answer:

x + 6 = 10

x = 4

Answer:

A) \(log{4}\) (3x+4) = 2

Step-by-step explanation:

took the test

The actual cost to see the game is $150, as that is the amount you paid for the ticket. The cost in this scenario can be considered an opportunity cost. By choosing to attend the game instead of selling the ticket for $400, you forgo the opportunity to earn that additional $400.

In this scenario, the cost of attending the game refers to the actual amount of money you spent on the ticket, which is $150. This is the out-of-pocket expense that directly affects your financial resources.

On the other hand, the opportunity cost is the potential benefit or value that you give up by choosing one option over another. In this case, if you had sold the ticket for $400, you would have received a higher amount of money, which represents the opportunity cost of attending the game. By deciding to go to the game, you forego the opportunity to earn that additional $400.

Opportunity cost is a concept in economics that emphasizes the value of the next best alternative forgone when making a decision. It helps assess the trade-offs involved in different choices and helps in evaluating the true cost of a decision beyond the immediate financial expenses.

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Answer:

4 = dt

I hope this helps

Sorry if it's wrong

It indicates that the test is highly accurate in correctly identifying individuals with hepatitis C (high sensitivity) and accurately ruling out individuals without the disease (high specificity).

Sensitivity and specificity are two important measures of a diagnostic test's performance. Sensitivity refers to the test's ability to correctly identify individuals who have the condition, while specificity refers to its ability to correctly identify individuals who do not have the condition.

In the case of the ELISA test for hepatitis C, a sensitivity of 95% means that the test will correctly identify 95% of individuals who actually have hepatitis C as positive. This indicates a high probability of detecting the disease when it is present.

On the other hand, a specificity of 90% means that the test will correctly identify 90% of individuals who do not have hepatitis C as negative. This suggests that there is a 10% chance of a false positive result, where individuals without the disease are mistakenly identified as positive.

Overall, the high sensitivity and specificity of the ELISA test for hepatitis C make it a valuable tool in the diagnosis and screening of individuals for this infectious disease. However, it is important to consider that no test is 100% accurate, and false results can still occur. Therefore, additional confirmatory tests may be required in certain cases to ensure accurate diagnosis and appropriate medical intervention.

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Answer:

None of the given points satisfy the inequality 2x - 3y < 1.

Step-by-step explanation:

To determine which points satisfy the inequality 2x - 3y < 1, we can substitute the coordinates of each point into the inequality and check if the inequality holds true.

Let's consider the given points:

Point A: (1, 0)

2(1) - 3(0) < 1

2 - 0 < 1

2 < 1 (False)

Point B: (-1, -1)

2(-1) - 3(-1) < 1

-2 + 3 < 1

1 < 1 (False)

Point C: (3, -2)

2(3) - 3(-2) < 1

6 + 6 < 1

12 < 1 (False)

None of the given points satisfy the inequality 2x - 3y < 1.

Therefore, none of the points A, B, or C satisfy the inequality.

Answer:

D (No, because there are values in the interval that are greater than 0.85.)

Step-by-step explanation:

edge2021 :)

The true proportion of times this weather forecaster correctly predicts the weather is less than 85% are; No, because there are values in the interval that are greater than 0.85.

Suppose we're given that:

Favourable Cases X (in count, in sample)

Sample Size N

Level of significance =\(\alpha\)

Then, the sample proportion of favorable cases is:

\(\hat{p} = \dfrac{X}{N}\)

The critical value at the level of significance \(\alpha\) is \(Z_{1- \alpha/2}\)

The true proportion of times this weather forecaster correctly predicts the weather is less than 85% are given as;

IT is No, because there are values in the interval that are greater than 0.85.

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Answer: the number of times the cricket could be expected to chirp in one minute if it’s 75 degrees Fahrenheit

Step-by-step explanation:

2. The hypotenuse is 13

b. Sin C = 0.5, Cos C = 0.875, TanC =  0.571

Finding the length of a side given the lengths of the other two sides, determining if a triangle is a right triangle, and other issues involving right triangles can be solved with the Pythagorean theorem.

The ratios of the side lengths in right triangles give rise to trigonometric functions such as sine, cosine, and tangent, which are used extensively in trigonometry and geometry.

Using;

\(c^2 = a^2 + b^2\\c = \sqrt{} 5^2 + 12^2\)

= 13

Sin C = 4/8

= 0.5

Cos C = 7/8

= 0.875

Tan C = 4/7

= 0.571

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Answer:

56 oz of water

Step-by-step explanation:

Answer:

56 oz

Step-by-step explanation:

He stops 7 times in 21 miles because he stops every 3 miles and 21 divided by 3 equals 7. He  also drinks 8 oz of water every time he stops, and if he stops 7 times then we just multiply 8 and 7, and since 8×7=56 he drank 56 oz of water after 21 miles.

Answer:

1. 5/3 is not equal to 3/5.

2. 7-(4+3) is equal to (4+3)-7

3. (x + y) + 1 is equal to x + (y + 1)

Step-by-step explanation:

1. 5/3 and 3/5 are completely different fractions and when you switch the denominator and the numerator you get a different fraction: 5/3 = 1 2/3, 3/5

2. If you solve both of them, they are equal because 7-7 = 7-7

3. This is equal due to the associative addition property, which means that when the addition of three or more numbers, the total/sum will be the same, even when the grouping of addends are changed.

Plz mark brainliest thx

#1

\(\boxed{\dfrac{a}{b}=\dfrac{b}{a},a=b}\)

Here 5\(\neq 3\)

Hence inequality holds

#2

\(\\ \sf\longmapsto 7-(4+3)=(4+3)-7\)

\(\\ \sf\longmapsto 7-7=7-7\)

\(\\ \sf\longmapsto 0=0\)

Equality holds

#3

\(\\ \sf\longmapsto (x+y)+1=x+(y+1)\)

Equality holds

Done

Answer:

210

Step-by-step explanation:

1: Part/whole=%/100

2: 100-5=95

3: 3150/30=$105 uniforms.

Answer: $210

Hope this helps.

Answer: Observational

Step-by-step explanation:

If it is a experiment then you can conclude that a variable caused a response

In statistics, correlation refers to the degree to which two variables are related or associated with each other. When the correlation between two variables is close to 1.0, it indicates a strong positive relationship between them. However, it is important to note that this strong correlation does not necessarily imply a cause-and-effect relationship between the two variables, especially in a study where certain conditions may not be met.

A study is a systematic investigation aimed at acquiring knowledge and understanding of a particular phenomenon or subject matter. In order to establish a causal relationship between two variables, certain conditions need to be met, such as the establishment of a temporal sequence, a clear association between the variables, and the elimination of any confounding variables that may influence the outcome. These conditions are essential for any study seeking to establish a cause-and-effect relationship between variables.

In the absence of these conditions, even if the correlation between two variables is close to 1.0, it cannot be concluded that the explanatory variable causes changes in the response variable. This is because correlation does not imply causation. Correlation simply indicates the strength of the association between two variables, but it does not provide information about the direction or the underlying mechanisms of the relationship.

For instance, consider a study examining the relationship between smoking and lung cancer. The study finds a strong positive correlation between smoking and lung cancer, indicating that smokers are more likely to develop lung cancer than non-smokers. However, this correlation alone does not necessarily prove that smoking causes lung cancer. There may be other factors such as air pollution, family history, or genetics that could influence the development of lung cancer.

In summary, the correlation between two variables is a measure of the strength of the association between them. A high correlation does not necessarily imply a cause-and-effect relationship between the variables, especially in a study where certain conditions may not be met. It is important to consider these conditions and rule out other factors that could influence the outcome before drawing any conclusions about the causal relationship between two variables.

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Answer:

Step-by-step explanation:

3x + 2y = 12

      2y = -3x + 12

        y = \(\frac{-3}{2}x + \frac{12}{2}\)

        y = \(\frac{-3}{2}x + 4\)

2) x + y = 8

          y = -x + 8

Answer:

1. alternate exterior angles

2. co-interior angles

3. corresponding angles

4. alternate interior angles

5. corresponding angles

6. co-interior angles