What is the slope of the line parallel to the line Y equals - 3X -8

Answer:

Step-by-step explanation:

price with vat=258750

VAT %=15%

let original price be x

CP+VAT%*CP= Rs258750

x+15/100*x= Rs258750

100x+15x= Rs258750*100

115x= Rs25875000

x= Rs25875000/115

x= Rs225000

Step-by-step explanation:

is answer

Daniel bought a van for Rs258 750.This price included a VAT of 15%.Calculate the price of the van without VAT

Hii!

After 3.5 days, the height of the plant is 5.75 centimeters.

h = 0.5(3.5) + 4

h = 1.75 + 4

height = 5.75 cm after 3.5 days.

The height of the plant is 6.25 centimeters after 4.5 days.

6.25 = 0.5d + 4

6.25 - 4 = 0.5d - 4

2.25 = 0.5d

2.25/0.5 = 0.5d/0.5

4.5 = d

days = 4.5

Thus, the height of the plant is 6.25 centimeters after 4.5 days.

After 3.5 days, the height of the plant is 5.75 centimeters and the height of the plant is 6.25 centimeters after 4.5 days.

A straight line is a combination of endless points joined on both sides of the point.

The slope 'm' of any straight line is given by:

\(\rm m =\dfrac{y_2-y_1}{x_2-x_1}\)

The equation of the line is:

h = 0.5d + 4

After rewriting the function:

f(x) = 0.5x + 4

Plug x = 0

f(0) = 4 cm

f(1) = 4.5 cm

f(2) = 5 cm

f(3) = 5.5 cm

f(4) = 6 cm

f(5) = 6.5 cm

Plug x = 3.5 days

f(3.5) = 5.75 cm

Plug f(x) = 6.25

6.25 = 0.5x + 4

2.25 = 0.5x

x = 4.5 days

Thus, after 3.5 days, the height of the plant is 5.75 centimeters and the height of the plant is 6.25 centimeters after 4.5 days.

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Answer:

x=2 y=7

Step-by-step explanation:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

Answer:

2/5 or 40%

Step-by-step explanation:

there are 10 possible ways to choose 2 cards:

19,13

19,10

19,14

19,22

10,13

14,13

22,13

10,14

10,22

14,22

there are only 4 pairs whose sum is greater than 32:

19,14

19,22

13,22

14,22

Answer:

3/5

Step-by-step explanation:

Answer:

False, the (8,27) ordered pair throws it off.  It would need to be (8,24).

Step-by-step explanation:

Step-by-step explanation:

you didn't post question

The height of the right cone is \(7 \ units\).

To find the height of the right cone, we can use the formula for the volume of a cone:

Volume = \(\frac{1}{3} \times \pi \times r^{2} \times h\)

where \(\pi\) is the mathematical constant pi (approximately \(3.14159\)), r is the radius of the base of the cone, and h is the height of the cone.

Given that the volume is \(21 \ \pi\) units and the diameter is \(6\) units, we can find the radius:

Radius (r) =

\(\frac{diameter}{2} \\= \frac{6}{2} \\= 3\)

Substituting the known values into the formula, we have:

\(21 \pi = \frac{1}{3} \times \pi \times 3^{2} \times h\)

Simplifying the equation:

\(21 = (\frac{1}{3}) \times 9 \times h\)

Multiplying both sides by \(3\):

\(63 = 9h\)

Dividing both sides by \(9\\\):

\(h = \frac{63}{9} \\ = 7 units\)

Therefore, the height of the right cone is \(7 \ units\).

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Answer:

Step-by-step explanation:a or b ?

Answer:1.24

2.7 27/56

3.3/4

4.1 2/3

Step-by-step explanation:

Answer: 26 inches is equivalent to 660.4 millimeters.

Step-by-step explanation:

You will multiply the inches by the conversion.

\(26in*25.4mm=660.4mm\)

Therefore, the answer is 660.4 millimeters.

I hope this helps!! Pls mark brainliest :)

Answer:

2 to the power of 6 x 3 to the power of 3

Step-by-step explanation:

Answer:

b. 2 to the power 6 . 3 cubed

c. 12 cubed

Answer:

its answer is in high school is ten

The slope of the line is B.

In mathematics, the slope of a line is the change in y-coordinate with respect to the change in x-coordinate.

The net change in the y coordinate is denoted by Δy and the net change in the x coordinate is denoted by Δx.

So the change in the y coordinate for a change in the x coordinate is:

The slope of a straight line can also be expressed as:

In general, the slope of a line is a measure of its steepness and direction. The slope of the line between two points (x1,y1) and (x2,y2) can be easily determined by finding the difference in the coordinates of the points.

If the x-coordinate of each point on a line is 5 more than half the y-coordinate, then x= y2+5.

To find the slope of the line, solve for y and put the equation in slope-intercept form (y = mx + b, where m is the slope).

To do so, first subtract 5 from both sides, then multiply the entire equation by 2 to get y = 2x − 10.

The slope is 2.

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Answer:

its not c i got it wrong on the test

Step-by-step explanation:

Answer:

x + x + 2 = x + 3

2x + 2 = x + 3

x = 1

x + 2 = 3

x + 3 = 4

The triangle AABC can be visualized in three-dimensional space using the given points A(3, 1, 4), B(0, 2, 2), and C(1, 2, 6).

To determine if the triangle is equilateral, isosceles, or scalene, we need to calculate the lengths of the three sides of the triangle. The lengths of the sides can be found using the distance formula, which measures the distance between two points in space.

Calculating the lengths of the sides:

Side AB: √[(3-0)² + (1-2)² + (4-2)²] = √(9 + 1 + 4) = √14

Side AC: √[(3-1)² + (1-2)² + (4-6)²] = √(4 + 1 + 4) = √9 = 3

Side BC: √[(0-1)² + (2-2)² + (2-6)²] = √(1 + 0 + 16) = √17

By comparing the lengths of the three sides, we can determine the nature of the triangle:

- If all three sides are equal, i.e., AB = AC = BC, then the triangle is equilateral.

- If any two sides are equal, but the third side is different, then the triangle is isosceles.

- If all three sides have different lengths, then the triangle is scalene.

In this case, AB = √14, AC = 3, and BC = √17. Since all three sides have different lengths, the triangle AABC is a scalene triangle.

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Answer:

Step-by-step explanation:

x^2 + 2x + 2x - 4

x^2 + 4x - 4

Option 2 is the answer

For an F-value of 3.4, the correct p-value is 0.0163 which is evaluated using the statistical tables or software.

Finding the correct p-value for a given F-value of 3.4 requires the use of statistical tables or software. Assuming a two-sided test and a significance level of 0.05, you can use JMP to calculate the p-value as follows:

Open JMP and click Analyze > Match Y to X. 

In the dialog box, select a response variable (eg: sales) and a factor variable (eg: promotion).

Click Options and select ANOVA from the list.

Click Run to generate the ANOVA table. Find the F Ratio and Prob > F columns in the ANOVA table.

The p-values ​​in the Prob > F column correspond to the probability of the F value being observed in the extreme, or observed more extreme than the observed value, given the null hypothesis to be true.

In this case, with an F value of 3.4, degrees of freedom of the numerator 4, and degrees of freedom of the denominator 45 (based on 5 groups and 50 samples in total), the p-value is 0.0163. 

therefore, for an F-value of 3.4, the correct p-value is 0.0163. 

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A. The distribution is given as follows: X ~ N(14, 6).

B. The probability that a randomly selected person with a kidney stone will take longer than 21 days to pass it is given as follows: 0.121 = 12.1%.

C. The minimum value of the upper quartile is given as follows: 18.05 days.

We first must use the z-score formula, as follows:

\(Z = \frac{X - \mu}{\sigma}\)

In which:

The z-score represents how many standard deviations the measure X is above or below the mean of the distribution, and can be positive(above the mean) or negative(below the mean).

The z-score table is used to obtain the p-value of the z-score, and it represents the percentile of the measure represented by X in the distribution.

The mean and the standard deviation for this problem are given as follows:

\(\mu = 14, \sigma = 6\)

The probability of a time greater than 21 days is one subtracted by the p-value of Z when X = 21, hence:

Z = (21 - 14)/6

Z = 1.17

Z = 1.17 has a p-value of 0.879.

1 - 0.879 = 0.121.

The upper quartile is X when Z = 0.675, hence:

0.675 = (X - 14)/6

X - 14 = 6 x 0.675

X = 18.05.

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The general solution will depend on the values of k, m, and the damping coefficient 8/m. To find the equation of motion for this system.

We can use Newton's second law:

F = ma

where F is the net force acting on the system, m is the mass of the object, and a is the acceleration.

The net force in this case is the sum of the external force and the force due to the spring:

F = f(t) - kx

where k is the spring constant and x is the displacement from equilibrium.

The damping force is given as 8 times the instantaneous velocity, which we can write as:

F_damp = -8v

where v is the velocity of the object.

Putting everything together, we get:

m(d^2x/dt^2) = f(t) - kx - 8v

Substituting in the given values, we have:

1(d^2x/dt^2) = 2 sin 4t - kx - 8(dx/dt)

To simplify this equation, we can use the fact that x is a displacement and therefore the second derivative of x with respect to time is the acceleration. So we can rewrite the equation as:

a = (2/g)sin(4t) - (k/m)x - 8v/m

where g = 32 ft/s^2 is the acceleration due to gravity.

To solve for x, we can use the fact that the velocity is the derivative of displacement with respect to time:

v = dx/dt

Taking the derivative of the equation for velocity, we get:

a = d^2x/dt^2 = dv/dt = d/dt(dx/dt) = d/dt(v) = d/dt(-8v/m - (k/m)x + 2/g sin(4t))

Simplifying this expression, we get:

a = -8/m(dv/dt) - k/m(dx/dt) + (8/g)cos(4t)

Substituting in the value of a from the previous equation, we have:

(2/g)sin(4t) - (k/m)x - 8v/m = -8/m(dv/dt) - k/m(dx/dt) + (8/g)cos(4t)

Rearranging and simplifying, we get:

d^2x/dt^2 + (k/m + 8/m)dx/dt + k/mx = (16/g)cos(4t) - (2/g)sin(4t)

This is a second-order differential equation that we can solve using standard techniques, such as the method of undetermined coefficients or Laplace transforms. The general solution will depend on the values of k, m, and the damping coefficient 8/m.

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The appropriate research hypothesis in this case is: "The sample mean scores of the new teaching method are higher than those of the standard teaching method."

To clarify, let's define the hypotheses more explicitly:

- Null Hypothesis (H0): The true mean of the scores under the new teaching method (mu_1) is equal to or less than the true mean of the scores under the standard teaching method (mu_2). H0: mu_1 <= mu_2

- Alternative Hypothesis (H1): The true mean of the scores under the new teaching method (mu₁ is greater than the true mean of the scores under the standard teaching method (mu₂). H1: mu_1 > mu_2

In other words, the researcher wants to determine if the new teaching method leads to higher scores compared to the standard method.

The alternative hypothesis suggests that there is a difference in favor of the new method, specifically that the true mean of the scores under the new method is greater than the true mean of the scores under the standard method.

The type I error rate, alpha, is set at 0.05, which means that if the p-value (the probability of observing the data given that the null hypothesis is true) is less than or equal to 0.05, we will reject the null hypothesis in favor of the alternative hypothesis.

It's worth noting that this is a one-sided test because we are only interested in determining if the new method is better (i.e., leads to higher scores) than the standard method.

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When an uncertain event is expressed as a set of possible values, these values are often combined with their respective probabilities into a single mean value called the expected value or the mathematical expectation.

The expected value is a concept used in probability theory and statistics to represent the long-term average outcome of a random variable or uncertain event. It is calculated by multiplying each possible value of the event by its corresponding probability and summing up these products. The result is a single value that represents the average or mean outcome of the event.

The expected value provides a way to summarize the overall outcome of an uncertain event in a single numerical value. It serves as a useful tool in decision-making and risk analysis, as it helps to assess the potential outcomes and evaluate the potential gains or losses associated with different probabilities. By considering the expected value, individuals or organizations can make informed decisions based on the average outcome of the event and weigh the potential risks and rewards.

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Answer:

y=2x+5............(1)

y=0.5x-1...........(2)

Step-by-step explanation:

equalizing equation (1)&(2),we get

2x+5=0.5x-1

2x-0.5x=-1-5

1.5x=-6

x=-6/1.5=-4

substituting value of x in equation (1),we get

y=2×-4+5=-8+5=-3

Answer:

3818

Step-by-step explanation:

In order to find the magnitude of a vector with three components, use the formula:

|V| = sqrt(Vx^2 + Vy^2 + Vz^2)

where Vx, Vy, and Vz are the components of the vector along the x, y, and z axes respectively.

To find the magnitude, you need to square each component, sum the squared values, and take the square root of the result. This gives you the length of the vector in three-dimensional space.

Let's consider an example to illustrate the calculation.

Suppose we have a vector V = (3, -2, 4). We can find the magnitude as follows:

|V| = sqrt(3^2 + (-2)^2 + 4^2)

   = sqrt(9 + 4 + 16)

   = sqrt(29)

   ≈ 5.385

Therefore, the magnitude of the vector V is approximately 5.385.

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