please help thankyou
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Answer: B) y=-3x+2.

Step-by-step explanation:

+2 is where the line touches on the y axis. and for -3. you find 2 points and you go from 1 point to the other. the points i got were. (0,2) (2,-4). i went down 6 times, and to the right 2. that’s a fraction 6/2. and then simplify. 2 can go into 6 three times, and can go into 2 once. 3/1. since there’s a 1 underneath it’s just 3. and since you went down. it’s is negative. so y=-3x+2 is your answer.

Answer:

C

Step-by-step explanation:

Its not A because The left side 6 is not less than the right side 5, which means that the given statement is false.

Its not B because The left side 6 is not less than the right side 5, which means that the given statement is false.

Its C because The left side 5 is less than the right side 6, which means that the given statement is always true.

Its not D because The left side is 5 is not less than the right side 6, which means that the given statement is false.

The set of all objects of interest is called population.

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The limit of f(x) as it approaches -1 is given as 3/2

In mathematics and computation, the limit can be described to be the value that a sequence is going to approach in such a way that the input would approach or tend towards a given value

The unit is used to assign values to numbers at certain points where there are no defined values.

we have 3/x-1

We have to take the value of x here to be three as the equation tends to 1.

Then we apply it in the formula

3/3-1

= 3/2

Hence the limit of f(x) is given as 3/2

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Answer:

Two distinct real roots

Step-by-step explanation:

Rearrange terms in descending order: \(x^{2} -10x+3=0\)

Find discriminant of quadratic equation through (b^2-4ac ): Δ\(=b^{2} -4ac\)

Identify a,b,c througn coefficient: \(\left \{ {{A=1} \atop {B=-10}} \atop {{c=3}\right.\)

Substitute the value of a,b,c and calculate discriminant: Δ=88

Determine number of solution through discriminant: two distinct real roots

Answer: two distinct real roots

Answer:

I think it will be rectangle or square

because rectangle and Square have 4 right angles

and each two opposite sides are parallel

The correct answer is A) The data are discrete because the data can only take on specific values.

The number of words in books is a discrete data type because it can only take on specific integer values. In a book, the number of words cannot be a fractional or continuous value. It is always a whole number. Each book has a finite number of words, and there are no intermediate values between the word counts of different books. Therefore, the data is discrete.

Discrete data refers to data that can only take on distinct, separate values. These values are often counted or categorized and cannot be subdivided further. Examples of discrete data include the number of students in a class, the number of cars in a parking lot, or the number of books on a shelf.

In contrast, continuous data can take on any value within a certain range. It is measured and can be subdivided infinitely. Examples of continuous data include the height of a person, the weight of an object, or the temperature of a room.

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Answer:

That kind of depends what x is...the theta angle? the hypotenuse? the base?

But i'll solve it for the missing value of the hypotenuse

5^2 +{ 12^2=c^2

169=c2

c=169 root

c=13 inches

Answer:

no 379s not in the sequence below

Answer:

Annalise is correct because the outputs are closest when x = 1.35

Step-by-step explanation:

The solution to the equation 1/(x-1) = x² + 1 means the one x value that will make both sides equal. If we look at the table, notice how when x = 1.35, f(x) values are closest to each other for both equations, signifying that x = 1.35 is approximately the solution. Thus, Annalise is correct.

Answer:

17) 19

19) 8

Step-by-step explanation:

17)

(6 +6² -4)÷2

(6 +36 -4)÷2

(38)÷2

19

19)

3³ ÷3 - 1

27 ÷3 -1

9 -1

8

When the price of bracelets increases, Jim will start making more bracelets because it has become more profitable to make bracelets than to make earrings.

This means that the supply of earrings will decrease because Jim and other skilled suppliers will shift their production towards bracelets. As a result, the supply curve of earrings is likely to shift to the left, indicating a decrease in supply. In the market, there are many suppliers like Jim who are skilled at making both earrings and bracelets. Therefore, the decrease in the supply of earrings due to the shift in production towards bracelets by these suppliers is likely to be significant. The magnitude of the shift in the supply curve of earrings will depend on the elasticity of production between earrings and bracelets. If it is easy to switch between making earrings and bracelets, then the shift in the supply curve of earrings will be larger than if it is difficult to switch. Overall, the increase in the price of bracelets will have an indirect effect on the supply of earrings through its impact on the opportunity cost of making earrings. As the opportunity cost of making earrings increases, the supply of earrings will decrease, resulting in a leftward shift in the supply curve of earrings.

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To determine if the polynomial is even, odd, or neither, we substitute -x for x in the polynomial and simplify. -3(-x)² + 6(-x) = -3x² - 6x. Since the polynomial is not equal to its negation, it is neither even nor odd.

To write the equation of the line with an x-intercept at -6 and a y-intercept at 2, we can use the slope-intercept form of a line, y = mx + b, where m is the slope and b is the y-intercept.

In this case, the y-intercept is given as 2, so the equation becomes y = mx + 2. To find the slope, we can use the formula (y2 - y1) / (x2 - x1) with the given points (-6, 0) and (0, 2). We find that the slope is 1/3. Thus, the equation of the line is y = (1/3)x + 2.

For the polynomial f(x) = -3x² + 6x, the degree is 2 and the leading coefficient is -3. The end behavior of the graph is determined by the degree and leading coefficient. Since the leading coefficient is negative, the graph will be "downward" or "concave down" as x approaches positive or negative infinity.

To find the zeros, we set the polynomial equal to zero and solve for x. -3x² + 6x = 0. Factoring out x, we get x(-3x + 6) = 0. This gives us two solutions: x = 0 and x = 2.

The x-intercept is the point where the graph intersects the x-axis, and since it occurs when y = 0, we substitute y = 0 into the polynomial and solve for x. -3x² + 6x = 0. Factoring out x, we get x(-3x + 6) = 0. This gives us two x-intercepts: (0, 0) and (2, 0).

To determine if the polynomial is even, odd, or neither, we substitute -x for x in the polynomial and simplify. -3(-x)² + 6(-x) = -3x² - 6x. Since the polynomial is not equal to its negation, it is neither even nor odd.

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The computed area values of Tₐ(f) for \( \int_{0}^{4} \frac{ 1}{1 + x²} dx = tan^{-1} (-4) = 1.32581766366803 \\ \), are equal to 1.2500, 1.3100, 1.3182, 1.3221, 1.3240. The value of Richardson's error estimate for T₃₂, T₆₄, and T₁₂₈ are 6.5104× 10⁻⁴, 1.6276× 10⁻⁴ and 4.0690× 10⁻⁵ respectively.

The trapezoidal rule is a numerical method for approximating the definite integral of a function f(x) over an interval [a, b]. It estimates a definite integral by dividing the area under the curve into a series of trapezoids, and then summing up all. The MatLab script or program to implement Trapezoidal Rule is written as :

a= 0;

b = 4;

n= input ('Enter n ');

h=(b-a)/n;

sum = 0.0;

% to find the sum

%dx = (b-a)/(n-1);

% To find step size or height of trapezium

% Generating the samples

for i = 1: n

x(i) = a + (i-1) ×h ;

end

% Generate the function value at different values of x or sample

for i = 1:n

\(y(i) = 1./(1+x(i).^2);\)

end

% Computation of area by using method 1

for i = 1:n

if ( i == 1 || i == n) % for finding the sum of fist and last ordinate

sum = sum + y(i)./2;

else

sum = sum + y(i); % for calculating the sum of other ordinates

end

end

area = sum * h

Output

Enter n = 4

area = 1.2500

>> Trapz

Enter n 16

area = 1.3100

>> Trapz

Enter n 32

area = 1.3182

>> Trapz

Enter n 64

area = 1.3221

>> Trapz

Enter n 128

area = 1.3240

b)

\(f(x)=\frac{1}{(x^2+1)} \newline\)

\(f''(x)=\frac{(6x^2-2)}{(x^2+1)^3} \newline\)

We have to find max f''(x) for x in [0,4] \newline

\(f'''(x)=\frac{(-24x^3+24x)}{(x^2+1)^4}\)

Now, f'''(x)=0 will lead to x=0, 1 f''''(1)< -3 <0, f''(x) has maximum value at x=1

\(max f''(x)=f''(1)=\frac{1}{2}(=M, say) \\ \)

Error Formula is written as: \(T_n=\frac{h^2(b-a)}{12}M=\frac{(b-a)^3}{12n^2}M\) (\because nh=b-a). Now, the program is written as following, Program :

n= input ('Enter n');

E=4^2/(12*n^2)*(1/2)

Output

>> Error_Trapz

Enter n 32

E = 6.5104e-04

>> Error_Trapz

Enter n 64

E = 1.6276e-04

>> Error_Trapz

Enter n 128

E =4.0690e-05

>>

Hence, required error values are 6.5104× 10⁻⁴, 1.6276× 10⁻⁴ and 4.0690× 10⁻⁵.

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Complete question:

(a) Write a MatLab script to implement the Trapezoidal Rule. Hence, compute the value of a,(f) for

\( \int_{0}^{4} \frac{ 1}{1 + x²} dx = tan^{-1} (-4) = 1.32581766366803 \\ \)

, for n = 4,8,16,...128.

(b) Use the result of part (a) to determine the value of the Richardson's error estimate for T32, T64 , and , T128 In your solution include a copy of the Trapezoidal Rule script.

Answer:

30 minutes

Step-by-step explanation:

It took 20 minutes to progress from 5 to 9 feet meaning it goes 1 foot every 5 minutes. 15 - 9 is 6 and 6 * 5 = 30 meaning in 30 minutes it will reach 15 feet.

Answer: 67 degrees

Step-by-step explanation:

Answer:

534.37500

Step-by-step explanation:

1/42.75 = 12.5/x

x= 534.37500

you setup a ratio of litre/cost = litre/cost

you can also multiply 42.75 by 12.5, which is way easier.

Answer:

So if theres two people who can have a drink thats the same and a dessert thats different, then there are 40 different ways you can have one drink with a different dessert.

Step-by-step explanation:

Drinks: 4

Desserts: 10

There are ten desserts for every drink.

10*4, or 10 times 4, equals 40.

Answer:

J. 1

Step-by-step explanation:

Plug the x values into the equation:

f(-1)=3-(-1)^2

f(2)=3-(2)^2

Solve each one, then add.

3-(-1)^2=

=3-1=2

3-(2)^2=

=3-4=-1

Combine the answers together.

2-1=1

The answer is J. 1.

Hope this helps!

Please mark as brainliest if correct!

The probability that fewer than 20 customers in the sample buy coffee during their visit on that certain day of the week is 59.87%

What is the normal distribution?

A probability distribution that is symmetric about the mean is the normal distribution, sometimes referred to as the Gaussian distribution. It demonstrates that data that are close to the mean occur more frequently than data that are far from the mean. The normal distribution appears as a "bell curve" on a graph.

The formula for z-score is z = (x -μ)/σ

Where,

Z is standard score.

X is observed value.

μ is mean of the sample.

σ is standard deviation of the sample

Given that 55% of the customers buy coffee, hence p = 55% = 0.55

Sample of 35 customers, hence n = 35.

For the normal distribution μ = np, σ = √[np(1-p)]

The mean and the standard deviation of the approximation are:

μ = 35 ˣ 0.55 = 19.25

σ = √[35 ˣ 0.55(1-0.55)] =2.943

Using continuity correction, the probability that fewer than 20 customers in the sample buy coffee during their visit on that certain day of the week is P(X < 20 - 0.5) = P(X < 19.5), which is the p-value of Z when X = 19.5, hence:

z = (20 -19.25)/2.943

z = 0.25 has a p-value of 0.5987.

0.5987 =59.87%

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I believe the answer is 8x+2

A student's probability of having a sister are 1/2 or 0.5 if they do not have a brother.

Using the above data table, we must determine the likelihood that a student without a brother also has a sister. Analysing the table now

has a sibling: 5

possesses no sisters: 2

has an 18-year-old brother

possesses no brothers: 4

We are looking for the likelihood that a student has a sister and neither a brother (as indicated by the statement "Does not have a brother"). In this instance, there are two children who do not have a brother but do have a sister, making that number the number of positive outcomes.

No matter whether a student has a sister or not, the total number of outcomes is equal to the number of students who do not have a brother. According to the table, there are 4 students without brothers.

As a result, the likelihood that a student who doesn't have a brother will have a sister can be determined as follows:

Probability is calculated as the ratio of the number of favourable outcomes to all possible outcomes.

Probability equals 2/4

Probability equals 0.5 or half.

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Justin must drive at least 67.2 miles per hour (rounded to one decimal place) to average 64 miles per hour for the whole trip, including the 15-minute stop

To average 64 miles per hour for the whole trip, Justin must complete the 144-mile distance and the 15-minute stop in a total of 144 minutes (2 hours and 24 minutes) or less.

If we subtract the 15 minutes stop from the total time, Justin will have to cover the 144 miles in 129 minutes (2 hours and 9 minutes) or less.

To determine the required speed, we can use the formula:

\(speed = \frac{distance }{time}\)

So,  \(speed = \frac{144 miles}{129 minutes}=1.12 miles per minute\)

To convert this to miles per hour, we can multiply by 60:

1.12 miles per minute x 60 minutes per hour = 67.2 miles per hour

Therefore, Justin must drive at least 67.2 miles per hour (rounded to one decimal place) to average 64 miles per hour for the whole trip, including the 15-minute stop.

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Answer:

linear

Step-by-step explanation:

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

\(\frac{5y}{3}\) = 3x

y = 9x/5

Answer:

That’s cool

Step-by-step explanation:

Answer:

thank you so much

Step-by-step explanation:

Answer:

B. all real numbers greater than or equal to 1

Step-by-step explanation:

Answer:

Step-by-step explanation:

"all real numbers greater than or equal to -9" is correct.  The vertex of this parabolic graph is (1, -9).  To the left of 1, or to the right of 1, the graph continues upward without bound.

Answer:

p=4

Step-by-step explanation:

5p-11=13p-43

-8p-11=-43

-8p=-32

p=4

Answer:

p=4

Explanation:

Add 11 to both sides

5p-11+11=13p-43+11

simplify

5p=13p-32

subtract 13p from both sides

5p-13p=13p-32-13p

simplify

-8p=-32

divided both sides by -8

\(\frac{-8p}{-8}=\frac{-32}{-8}\)

then, you'll get your result

p=4

Answer:

(a) The best answer for residuals plot (a) is:

A. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases.

A fanned pattern in the residuals plot suggests that the linear model is not appropriate because the variability of the residuals increases as the values of the explanatory variable increases. This indicates that the linear model is not capturing all the important features of the data and may not be the best fit for the data.

(b) The best answer for residuals plot (b) is:

B. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.

A curved pattern in the residuals plot suggests that the linear model is not appropriate because the relationship between the variables is not linear. This indicates that the linear model is not capturing all the important features of the data and may not be the best fit for the data.

The volume of a cube with side length of 8 units is 512 units³.

A cube is a solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges.

The faces of a cube are all equal.

Therefore,

volume of a cube = s²

where

Therefore, let's find the volume of a cube with side length of 8 units.

s = 8 units

Volume of the cube = 8³

Volume of the cube = 8 × 8 × 8

Volume of the cube = 512 unit³

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The difference quotient for the given function is 9 -2/h.

The difference quotient for the given function can be calculated as:

[f(x+h) - f(x)]/h

= [(3(x+h)² - 2(x+h) + 5) - (3x² - 2x + 5)]/h

= (3x² + 6xh + 3h² - 2x - 2h + 5 - 3x² + 2x - 5)/h

= (6xh + 3h² - 2h)/h

= (6x + 3h -2)/h

Simplifying the expression further, we get:

(6x + 3h -2)/h = 6 + 3h/h -2/h

= 6 + 3 -2/h

= 9-2/h

Therefore, the difference quotient for the given function is 9 -2/h.

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"Your question is incomplete, probably the complete question/missing part is:"

Find the difference quotient [f(x+h)-f(x)]/h, where h≠0, for the function below.

f(x)=3x² -2x+5. Simplify your answer as much as possible.