anyone who answers both questions will get brainliest! ​

Answer:

Step-by-step explanation:

I really don’t know but I think you have to find the hypothenuse first then you can do the rest

Answer:

Step-by-step explanation:

"SAS" is when we know two sides and the angle between them. use The Law of Cosines to calculate the unknown side, then use The Law of Sines to find the smaller of the other two angles, and then use the three angles add to 180° to find the last angle.

Answer:

0

Step-by-step explanation:

I am not sure you included the full question, but if it is a multiplication problem, the answer is 0.

The area of one leaf of the four-leaved rose is π/2 square units.

PART 1:

Using symmetry, we can find the area of one leaf of the four-leaved rose by integrating from 0 to π/4 and multiplying the result by 4. So we have:

Area of one leaf = 4 × ∫[0 to pi/4] 1/2 r^2 dt

= 4 × ∫[0 to pi/4] 1/2 (2cos2t)^2 dt

= 4 × ∫[0 to pi/4] 1/2 (4cos^2(2t)) dt

= 4 × ∫[0 to pi/4] 2cos^2(2t) dt

= 4 × ∫[0 to pi/4] (cos(4t) + 1) / 2 dt

= 4 × [1/8 sin(4t) + 1/2 t] evaluated from 0 to pi/4

= 4 × (1/8 sin(pi) + 1/2 (pi/4) - 1/8 sin(0) - 1/2 (0))

= 4 × (1/2 (pi/4))

= π/2

PART 2:

The area of one leaf of the four-leaved rose is π/2 square units.

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Answer:

this was m closet answer 39.3701 and it was using 12 small boxes.

Step-by-step explanation:

The value of Tim's house at the start of 2018 is £146410

From the question, we have the following parameters that can be used in our computation:

Initial value = 100,000

Rate of increase = 10%

The value of the house x years after 2014 can be represented as the following exponential function

Value = Initial value * (1 + rate)ˣ

So, we have

Value = 100000 * (1 + 10%)ˣ

2018 is 4 years after 2014

This means that x = 4

So, we have

Value = 100000 * (1 + 10%)⁴

Evaluate

Value = 146410

Hence, the value is #146410

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The dimensions of the sides DH, VW, and WX are, respectively, 14, 12, and 30.

Two figures are known to be similar if the ratio of their similar sides is equal to a constant.

From the polygons given, the following expressions are true;

DH/12 = 21/18

18DH = 12 × 21

18DH = 252

DH = 14

Similarly:

VW/14 = 18/21

21VW = 14 * 18

21VW = 252

VW = 12

Also;

35/WX = 21/18

21WX = 35 * 18

21WX = 630

WX = 30

Therefore the measure of the sides DH, VW and WX are 14, 12 and 30 respectively.

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The equation represented on the graph obtained from equation of a sinusoidal function is the option; y = coa(x - π/4) - 2

A sinusoidal function is a periodic function that repeats at regular interval and which is based on the cosine or sine functions.

The coordinate of the points on the graph indicates that we get;

The period, T = π/4 - (-7·π/4) = 8·π/4 = 2·π

Therefore, B = 2·π/(2·π) = 1

B = 1

The amplitude, A = (-1 - (-3))/2 = 2/2 = 1

The vertical shift, D = (-1 + (-3))/2 = -4/2 = -2

The vertical shift, D = -2

The horizontal shift is the amount the midline pint is shifted relative to the y-axis

The points on the graph indicates that the peak point  close to the y-axis is shifted π/4 units to the right of y-axis, therefore, the horizontal shift, C = π/4

cos(0) = 1 which is the peak point value of the trigonometric ratio, in the function which indicates that the trigonometric function of the equation for the graph is of the form, y = A·cos(B·(x - C) + D

Plugging in the above values into the sinusoidal function equation of the form; y = A·cos(B·(x - C) + D

We get;

A = 1, B = 1, C = π/4, and D = -2

The function representing the graph is therefore;

y = cos(x - π/4) - 2

The correct option is therefore;

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Answer:

$30

Step-by-step explanation:

Every 100=$25

200=$50

Every additional 10=$1

50=$5

25+5=$30

The determinant of a 4x4 matrix is calculated using the Laplace Expansion method, which involves expanding the determinant along one row or column.

The formula for the determinant of a 4x4 matrix is:det(A) =\(a11 * a22 * a33 * a44 – a11 * a22 * a34 * a43 + a11 * a23 * a34 * a42 – a11 * a23 * a32 * a44 + a12 * a23 * a32 * a44 – a12 * a23 * a34 * a41 + a12 * a21 * a34 * a43 – a12 * a21 * a33 * a44 + a13 * a21 * a33 * a44 – a13 * a21 * a34 * a42 + a13 * a22 * a34 * a41 – a13 * a22 * a31 * a44 + a14 * a22 * a31 * a43 – a14 * a22 * a33 * a41 + a14 * a23 * a33 * a42 – a14 * a23 * a31 * a42\)To calculate the determinant of a 4x4 matrix, take the sum of the products of the elements in each row/column and its corresponding minor, then multiply each product by the sign of the term (+ or -). For example, if A is a 4x4 matrix, then the determinant is: det(A) =\(a11 * |A11| - a12 * |A12| + a13 * |A13| - a14 *\)|A14|.The minors A11, A12, A13 and A14 are the 3x3 matrices obtained by deleting the first row and first column from A. The values of the minors are calculated by applying the Laplace Expansion method to each minor.

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When calculating a confidence interval, the level of confidence chosen determines the range of values within which the true population parameter is expected to fall.

A 95% confidence interval means that if we repeatedly sample from the population and construct confidence intervals, 95% of those intervals will contain the true population parameter.

On the other hand, a 99% confidence interval means that if we repeatedly sample from the population and construct confidence intervals, 99% of those intervals will contain the true population parameter.

The margin of error, which is the amount by which the interval may vary due to sampling error, is directly affected by the level of confidence chosen.

As the level of confidence increases, the margin of error also increases. Therefore, when a 99% confidence interval is calculated instead of a 95% confidence interval with n being the same, the margin of error will be wider.

This means that the range of values within which the true population parameter is expected to fall will be larger with a 99% confidence interval, making the interval less precise but more conservative.

It is important to note that choosing a higher level of confidence comes at the cost of a wider margin of error, which may not always be practical or necessary depending on the research question and context.

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Answer:

C) Both (1 , 11) and (-1, -5)

Step-by-step explanation:

y = 8x + 3

Plugin x = 1  and y = 11 in the equation

11 = 8*1 + 3

11 = 8 +3

11 = 11

So, (1 , 11)  is a solution.

Plugin x = -1  and y =-5 ,

-5 = 8*(-1) + 3

-5 = -8 + 3

-5 = -5

So, (-1 , -5) is also a solution

Explanation

By observation, we can see that the transformation from the original to the image, is a rotation of 90 degrees counterclockwise about the origin.

Answer: Option D

Answer:

a lot

Step-by-step explanation:

The integer values of x in the interval 2 ≤ x ≤ 7 in x < 3 is 2

From the question, we have the following parameters that can be used in our computation:

-x + 8 > 5

The above expression is an inequality expression

So, we have

-x + 8 > 5

Evaluate the like terms

So, we have

-x > -3

Divide both sides by -1

x < 3

The integer values of x in the interval 2≤x≤7 in x < 3 is 2

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1. 5*20= 100

2.3.18309886184

3.6.36619772368

4.20

5.The choice of a circular table or a rectangular table depends on a variety of factors such as the intended use, available space, and personal preferences. However, there are some advantages to using a circular table over a rectangular one:

More inclusive: A circular table allows for more inclusive conversations since everyone can see and hear each other. There is no "head" of the table, which can make some people feel excluded.

Easier to navigate: A circular table allows for easier navigation around the table. There are no corners to bump into, and people can move around the table more freely.

Better for small spaces: A circular table can be more efficient for small spaces since it takes up less floor space than a rectangular table with the same seating capacity.

Aesthetically pleasing: A circular table can be aesthetically pleasing and can add a touch of elegance to a room. It can also create a more intimate and cozy atmosphere.

However, a rectangular table can also have advantages. It can be more practical for certain activities such as working on projects or serving food. It may also be easier to fit into a particular space or room layout. Ultimately, the choice of table shape depends on the specific needs and preferences of the user.

Answer:

Let's call the initial fee "x". The equation for the total cost of using a computer for t minutes at the internet cafe can be expressed as:

C = x + 0.60t

Knowing that the total charge to use a computer for 5 minutes would be $6, we can use this information to find the value of x:

C = x + 0.60 * 5

6 = x + 3

x = 6 - 3

x = 3

So, the equation representing the total cost of using a computer for t minutes at the internet cafe is:

C = 3 + 0.60t

Answer: 8.2 x 10^8

Step-by-step explanation:

Answer:

\(answer\)

\(820000000 = 8.2 \times 10 {}^{8} \)

Step-by-step explanation:

hope this helps you!!!

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We can simplify 2/3 / (1/8) as follows:

2/3 / (1/8) = 2/3 * 8/1      (dividing by a fraction is the same as multiplying by its reciprocal)

           = 16/3

Therefore, the relationship between 2/3 / (1/8) and 2/3 * 8/1 is:

2/3 / (1/8) = 16/3 = 2/3 * 8/1

So the correct answer is (D) 2/3 / (1/8) = 2/3 * 8/1.

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Answer:

No

Step-by-step explanation:

(3^2)-3 is the same as (3x3) - 3 which is 9 - 3 or 6

(3^3)-2 is the same as (3x3x3)-2 which is 27-2 or 25

Answer:

$25.75

Step-by-step explanation:

$30.00 - $4.25 = $25.75

Area of base:

3 * 9 = 27

So, 243 is the answer.

Answer:

1) The equation to determine the the number of people who can go to the amusement park is 14.75 + 13.25·p = 94.25

2) The number of people who can go to the amusement park is people

Step-by-step explanation:

The given parameters are;

The amount the group of friends have to spend on parking and admission = $94.25

The cost parking = $14.75

The cost of tickets per person = $13.25

The variable we let to represent the number of people who can go to the amusement park be "p"

1) The equation that can be used to determine "p" is therefore, given as follows;

14.75 + 13.25·p = 94.25

2) Therefore, we have, by making "p" the subject of the above equation;

p = (94.25 - 14.75)/13.25 = 6

Therefore, the number of people who can go to the amusement park, p = 6 people.

Answer:

Answer: 6

Step-by-step explanation:

Equation: 13.25p+14.75=94.25

All statements are true for the functions g(x) = x² and h(x) = -x²

A function is a mathematical object that maps input values (also called arguments or independent variables) to output values (also called function values or dependent variables).

G(x) will always be bigger than h for any value of x. (x). This is true because g(x) = x² is always positive or zero, while h(x) = -x² is always negative or zero. Therefore, g(x) will always be greater than h(x).

h(x) will always be bigger than g for any value of x. (x). This statement is false, as we just saw in the previous statement.

g(x) > h(x) for x = -1. This is true because g(-1) = 1 and h(-1) = -1, so g(-1) is greater than h(-1).

For positive values of x, g(x) > h(x). This is true because when x is positive, both g(x) and h(x) are positive, but g(x) is always greater than h(x) because g(x) = x² and h(x) = -x².

For negative values of x, g(x) > h(x). This is false because when x is negative, both g(x) and h(x) are positive, but h(x) is always greater than g(x) because h(x) = -x² and g(x) = x².

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Valerie and 3 friends can paint a house in 6 hours. If Valerie and 6 friends paint, it would take approximately 3.43 hours.

The time it takes Valerie to paint her house varies inversely with the number of people. This means that as the number of people increases, the time it takes to paint the house decreases, and vice versa.
In this scenario, it takes Valerie and 3 of her friends a total of 6 hours to paint the house. We can set up an equation to represent the inverse variation relationship:
(time) = (constant) / (number of people)
Let's call the constant "k". Using the given information, we can write the equation as:
6 = k / 4
To find the value of k, we can multiply both sides of the equation by 4:
6 * 4 = k
k = 24
Now that we know the value of the constant, we can use it to answer the question. The question asks how long it would take for Valerie and 6 of her friends to paint the house. Let's call this unknown time "x". Using the same equation, we can write:
x = 24 / (6 + 1)
Simplifying the equation:
x = 24 / 7
x ≈ 3.43
Therefore, it would take approximately 3.43 hours for Valerie and 6 of her friends to paint the house.

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The significance level, account for multiple testing, and recognize the limitations and context when interpreting p-values.

The p-value is a crucial concept in statistical hypothesis testing. It refers to the probability of observing a test statistic as extreme as or more extreme than the one observed, given that the null hypothesis is true.

In other words, it is the probability of obtaining the observed result by chance, assuming that there is no true effect.
There are several key guidelines that researchers need to keep in mind when interpreting p-values.

This threshold should not be taken as a hard-and-fast rule and other factors such as the study design sample size and effect size should also be considered.
Secondly, the p-value alone cannot determine the validity or importance of a research finding.

It is just one piece of evidence that needs to be considered along with other factors, such as the magnitude of the effect, the precision of the estimates, the plausibility of alternative explanations, and the practical implications of the findings.
Thirdly, the p-value can be influenced by various factors, such as the choice of statistical test, the assumptions made about the data, and the presence of outliers or influential observations.

Therefore,

Researchers should always report the assumptions and limitations of their analyses and consider conducting sensitivity analyses to test the robustness of their results.
In summary,

The key guidelines for interpreting p-values include understanding their meaning and limitations, considering other factors in addition to p-values, and being aware of the factors that can influence their interpretation.

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let the other angle be x degree

bigger angle = x +36°

According to the question,

x+36° + x° = 180°

=> 2x = 180–36

=> x = 144/2

=> x = 72°

Measure of the bigger angle = x + 36

= 72° + 36°

= 108°

Answer:

direct variation

Step-by-step explanation:

The constant of variation k for direct variation is

k = \(\frac{y}{x}\)

Calculate this ratio for each set of points

\(\frac{-10}{2}\) = \(\frac{-20}{4}\) = \(\frac{-35}{7}\) = \(\frac{-40}{8}\) = - 5

Then ordered pairs are in direct variation with k = - 5

The constant of variation for inverse variation is

k = xy

2 × - 10 = - 20

4 × - 20 = - 80

7 × - 35 = - 245

8 × - 40 = - 320

There is no constant thus not inverse variation

The given series Σ((-3)^(-1))^4) from n=1 does not converge. It is a divergent series.

The series Σ((-3)^(-1))^4) from n=1 can be written as:

(-3)^(-1) + (-3)^(-1) + (-3)^(-1) + ...

Since (-3)^(-1) = -1/3, the series becomes:

-1/3 + -1/3 + -1/3 + ...

This is an infinite geometric series with a common ratio of -1/3. In order for a geometric series to converge, the absolute value of the common ratio must be less than 1. In this case, the absolute value of -1/3 is 1/3, which is greater than 1.

Since the absolute value of the common ratio is greater than 1, the series does not converge and is therefore divergent.

The series Σ((-3)^(-1))^4) from n=1 is divergent.

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