PLEASE HELP.!! ILL GIVE BRAINLIEST *EXTRA POINTS* DONT SKIP.!! :((

UGHHHHHHHHHHHHHHHHHHHH

Answer:

9 yards

Step-by-step explanation:

The Pythagorean theorem: \(a^2+b^2=c^2\)

Where a and b are legs, and c is the hypotenuse.

The hypotenuse is the side opposite from the right angle in the right triangle.

The hypotenuse would be AC, measured 15 yards, because it is opposite from the right angle. BC, the unmeasured side would be a leg. I can call that the "b" leg and AB, the 12 yard side the "a" leg.

Substitute the measures into the theorem to get: \(12^2+?^2=15^2\)

\(144+?^2=225 ; ?^2=81; ?=\sqrt{81} =9\)

Answer:

Step-by-step explanation:

Sure! I'll perform the mathematical operations using the given numbers and apply the rules of precision. Please find the results below:

(9.11) + (6.232)

The sum of 9.11 and 6.232 is 15.342.

(7.4023) x (19)

The product of 7.4023 and 19 is 140.844.

(9.162) - (2.39)

The difference between 9.162 and 2.39 is 6.772.

(0.00482) x (213)

The product of 0.00482 and 213 is 1.02786.

(8.73) / (5.198)

The division of 8.73 by 5.198 is 1.67920734.

(7644) / (0.13)

The division of 7644 by 0.13 is 58,800.

Please note that the results are rounded to the appropriate number of decimal places based on the precision rules.

The prime factors of 87 are 3 and 39. This can be found out by using prime factorisation method.

An integer that evenly splits a number, leaving no remainder, is referred to as a factor. Using division principles and divisibility rules, one can identify a number's factors.

The numbers that divide 87 without leaving a remainder are known as the factors of 87. In other terms, we can say that it will be completely divided by the factors of 87.

Although 87 can be divided into positive and negative components, it cannot be divided into decimals or fractions. The result of splitting 87 by its factor yields a quotient that is also a factor of 87.

A factor tree can be used to find out the prime factors of 87. It can be written as,

87 = 3 × 29

Consequently, 3 and 29 are the prime factors of 87.

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The weight of an object above the surface of the Earth varies inversely with the square of the distance from the center of the Earth.

Given that the weight of an object is 90 pounds when it is 3960 miles from Earth's center, we can use this information to find the weight of the same object when it is 4120 miles from Earth's center.

Let's denote the weight of the object as W and the distance from the center of Earth as D. According to the given information, we have the following relationship:

W ∝ 1/\(D^2\)

Using this relationship, we can set up a proportion to find the weight of the object when it is 4120 miles from Earth's center:

90 pounds / \((3960 miles)^2\) = W / \((4120 miles)^2\)

Simplifying the equation, we have:

90 / (\(3960^2\)) = W / (\(4120^2\))

To find W, we can rearrange the equation and solve for it:

W = 90 * (\(4120^2\)) / (\(3960^2\))

Calculating this expression, we find that the weight of the object when it is 4120 miles from Earth's center is approximately 94.29 pounds.

Therefore, the same object would weigh approximately 94.29 pounds when it is 4120 miles from Earth's center.

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Step-by-step explanation:

y = -3x² + mx + 10

dy/dx = -6x + m.

When dy/dx = 0, -6x + m = 0. => x = m/6.

We have y = -3(m/6)² + m(m/6) + 10 = 37.

=> -m²/12 + m²/6 = 27

=> -m² + 2m² = 324

=> m² = 324

=> m = 18 or m = -18.

The probability distribution at each point x along the horizontal axis.

For a Normal distribution with mean 0 and standard deviation 1,

the following Python line outputs the probability p(-0.15 < x < 1.88):

print(st.norm.cdf(1.88, 0, 1) - st.norm.cdf(-0.15, 0, 1))

Probability is the likelihood or chance that an event will occur. It is a number between 0 and 1, with 0 indicating that an event will never occur and 1 indicating that an event will always occur.

Probability values range from 0 to 1, with a value of 0 indicating that the event will never occur and a value of 1 indicating that the event will always occur.

The probability is the value between 0 and 1 that indicates the likelihood of an event occurring. The probability is obtained by dividing the number of ways an event can occur by the total number of possible outcomes.

Scipy.stats.norm is the normal distribution's probability density function (pdf) in SciPy.

The PDF function is a part of the scipy.stats library in Python. The probability density function of the normal distribution is the function scipy.stats.norm.pdf(x, loc=0, scale=1). It is the height of the probability distribution at each point x along the horizontal axis.

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9514 1404 393

Answer:

  (1) x(2/3) = y

  (2) 27

  (3) 8

  (4) 9

Step-by-step explanation:

The first line of the table tells you how to fill in the second line. Use the x and y values from the third line to write (y/x) = (2/3). This gives you the equation ...

  x(2/3) = y . . . . line (1)

For the remainder of the table, you can use the given value compared to the value in line 3 to see what the multiplier is for the other value.

(2): The multiplier is 18/2 = 9, so the missing x-value is 3×9 = 27.

(3): The multiplier is 12/3 = 4, so the missing y-value is 2×4 = 8.

(4): The multiplier is 6/2 = 3, so the missing x-value is 3×3 = 9.

The cost of the croissant before the increase was $0.60 and the cost of the cup of coffee was $1.65.

Let's assume the original price of a croissant is C dollars, the original price of a cup of coffee is F dollars, and the original price of a fruit bowl is B dollars.

From the given information, we can set up the following equations:

C + F + B = 5.25 (equation 1) - Total cost of the three items before the increase is $5.25.

1.25C + 1.4F + B = 4.80 (equation 2) - Total cost of the three items after the increase is $4.80.

B = 3C (equation 3) - The cost of a fruit bowl is 3 times the cost of a croissant.

Now, let's solve the equations:

Substituting equation 3 into equation 1, we get:

C + F + 3C = 5.25

4C + F = 5.25 (equation 4)

Substituting equation 3 into equation 2, we get:

1.25C + 1.4F + 3C = 4.80

4.25C + 1.4F = 4.80 (equation 5)

We now have a system of two equations (equations 4 and 5) with two variables (C and F). Solving this system of equations will give us the values of C and F, which represent the original costs of the croissant and the cup of coffee, respectively.

By solving equations 4 and 5 simultaneously, we can find that C ≈ 0.60 and F ≈ 1.65.

Therefore, the cost of the croissant before the increase was approximately $0.60 and the cost of the cup of coffee was approximately $1.65.

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The equation of line that passes a point (–3, 7) and has slope of 4, in the point-slope form is y - 7 = 4 (x + 3)

A linear equation can be expressed in three forms:

- slope intercept form : y = mx + c

- point-slope form: y - y₁ = m (x - x₁)

- standard form: Ax + By + C = 0

Where:

m = slope

(x₁, y₁) = point on the line

A, B, C are constant

In this problem, the point is (–3, 7) and the slope is 4. Hence,

x₁ = –3

y₁ = 7

m = 4

Plug these parameters into the equation:

y - y₁ = m (x - x₁)

y - 7 = 4 (x - (-3))

y - 7 = 4 (x + 3)

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Answer:50

Step-by-step explanation:

In the event that your credit card is stolen in the United States, federal law limits the liability of cardholders to $50, regardless of the amount charged on the card by the unauthorized user.

Answer:

$50

Step-by-step explanation:

It depends in what country you live. In the United States, you will be charged up to $50 but in others countries you would be refunded for the amount of money you had on that card

A line in the xy-plane passes through the origin and has a slope of 1/7 is 7y = x.

In the given question, we have to find a line in the xy-plane passes through the origin and has a slope of 1/7.

The equation of the line is:

y - y(1) = m(x - x(1))

The given points is (0, 0). So

x(1) = 0 and y(1) = 0

From the given question, m = 1/7

Now putting the value in the equation of line

y - 0 = 1/7(x - 0)

y = 1/7 x

Multiply by 7 on both side, we get

7y = x

Hence, a line in the xy-plane passes through the origin and has a slope of 1/7 is 7y = x.

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The complete question is:

What is a line in the xy-plane passes through the origin and has a slope of 1/7?

Answer:

3

Step-by-step explanation:

Lannister checks out 6 sets of book

Each set had the same number of books

She reads 7 books and has 11 more to go

Therefore the number of books in each set can be calculated as follows

= 11+7

= 18

18/6

= 3

Hence there are 3 books in each set

\(3x^2-10xy + 8y^2=\\\\=3x^2-6xy-4xy + 8y^2=\\\\=3x(x-2y)-4y(x-2y)=\\\\=(x-2y)(3x-4y)\)

The interest the customer would pay is $318.78.

Interest can be described as the cost of borrowing. It is the amount of money a borrower has to pay to the lender.

Interest = amount borrowed x interest rate

Daily interest = $2,530.16 x 0.42%

$2,530.16 x 0.0042 = 10.63

Monthly interest = 10.63 x 30 = $318.80

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Answer:

a 6

b 5

c 5

Step-by-step explanation:

of means multiply

(a) 1 / 5 of 30

1/5 * 30

30/5 = 6

(b) 1 / 4 of 20

1/4 * 20

5

(c) 1 / 3 of 15

1/3 * 15

5

To create an 80% alcohol solution, the pharmacist must therefore mix 2.17 cm3 of pure alcohol with 10 cm3 of the 8% alcohol solution.

A value or combination of values that satisfy an equation or system of equations are referred to as solutions in mathematics. For instance, if we substitute x = 2 into the equation, we get 2(2) + 3 = 7, which is a true statement, hence the answer to the equation 2x + 3 = 7 is x = 2. Similar to this, an equation system may have one or more solutions that simultaneously fulfil every equation in the system. Finding answers to equations or systems of equations is a key component of many branches of mathematics and has significant applications.

given

Find out how much pure alcohol is now contained in the 8% solution to start.

An 8% alcohol solution in 10 cm3 contains:

There are 0.8 cm3 of pure alcohol in 0.08 x 10 cm3.

Let's now calculate the amount of pure alcohol that has to be added to achieve an 80% solution using the alligation method.

We must add pure alcohol to the solution to raise the concentration from 8% to 100%. In order to connect 100% to 8% in the left column, we place 100% in the right column. There is a 92% discrepancy between these two percentages.

We put 80% in the middle column because we aim to arrive at an 80% solution. Between 80% and 100%, there is a 20% difference.

Now, we may construct the subsequent equation:

20/92 = x/10

After finding x, we obtain:

\(x = 2.17 cm^3\)

To create an 80% alcohol solution, the pharmacist must therefore mix 2.17 cm3 of pure alcohol with 10 cm3 of the 8% alcohol solution.

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Answer:

B.. ..... .., .........

On expanding the given expression (-2a²b⁴)³ , we get -

- 8a⁶b¹²

An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.

Given is the following expression -

(-2a²b⁴)³

On expanding the expression, we get -

(-2a²b⁴)³

- 8a⁶b¹²

The correct alternative is option [C] → - 8a⁶b¹²

Therefore, on expanding the given expression (-2a²b⁴)³ , we get -

- 8a⁶b¹²

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You have to shade 4 boxes of the figure.

Fractions are used to represent smaller pieces of a whole.

Given is a box with 8 parts of it,

1/2 of 8 = 8*1/2 = 4

Hence, You have to shade 4 boxes of the figure.

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Answer:

I really don't know but i'm getting a gut feeling looking at B

Step-by-step explanation:

Like i said i don't know but b seems good enough

Answer:

5

Step-by-step explanation:

because 8+8+8+8+8=40 or 8*5

and theres 8 five times

A is an n x n diagonal matrix with rank r , where rsn  and the statement (a)"O is an eigenvalue with algebraic muitiplicity n-r "  about A is true

Since A is an n x n diagonal matrix with rank r, the number of non-zero entries on the diagonal is r. This means that there are n - r zero entries on the diagonal.

For any diagonal matrix, the eigenvalues are simply the entries on the diagonal. Since there are n - r zero entries, the eigenvalue O has a geometric multiplicity of n - r.

Therefore, the correct statement is that O is an eigenvalue with geometric multiplicity n - r.

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Answer:

31 degrees

Step-by-step explanation:

Answer:

b 1/3.5

Step-by-step explanation:

Answer:

f(x) = x^3 - 12x^2 + 6x - 8

f'(x) = 3x^2 - 24x + 6 = -30

3x^2 - 24x + 36 = 0

x^2 - 8x + 12 = 0

(x - 2)(x - 6) = 0, so x = 2, 6

Answer:

the values of x are :

x = 2

x = 6

The MSE for the regression models developed in parts (b) and (d) is Ŷ = 5.10 + 0.83X

Let's assume that the dependent variable in both models is denoted by Y, and the independent variable is denoted by X. The regression model developed in part (b) is expressed as:

Y = 5.10 + 0.83X

The regression model developed in part (d) is expressed as:

Y = 4.90 + 0.89X + 0.012X²

To calculate the MSE for the model developed in part (b), we need to first calculate the predicted values of Y using the equation:

Ŷ = 5.10 + 0.83X

Then, we can calculate the squared difference between the predicted value Ŷ and the actual value Y for each data point, and take the average of these squared differences. This gives us the MSE for the model developed in part (b).

Similarly, to calculate the MSE for the model developed in part (d), we need to first calculate the predicted values of Y using the equation:

Ŷ = 4.90 + 0.89X + 0.012X^2

Then, we can calculate the squared difference between the predicted value Ŷ and the actual value Y for each data point, and take the average of these squared differences. This gives us the MSE for the model developed in part (d).

After calculating the MSE for both models, we can compare them to determine which model is more effective. A lower MSE indicates that the model is more accurate in predicting the dependent variable.

Therefore, the model developed in either part (b) or (d) with the lower MSE is considered to be more effective.

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Answer:

|XZ|=18,2cm

Step-by-step explanation:

|XY|=5,8cm

|YZ|=12,4cm

12,4+5,8=18,2

Yes, it is True. If we change the constraint quantity to a value outside the range of feasibility for that constraint quantity, the shadow price will change.

The shadow price is the marginal value of the constraint quantity, and it represents the increase in the objective function per unit increase in the constraint quantity. If the constraint quantity is changed to a value outside the range of feasibility, the shadow price will change because the relationship between the objective function and the constraint quantity has changed. The change in shadow price will depend on how the constraint affects the objective function, but it is typically that the shadow price will increase as the constraint becomes more binding.

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Answer:

\(m=\frac{1}{4}\)