find the slope between the two points (3,-3) and (1,9)

Answer:

18 is the answer

Step-by-step explanation:

because you times 2 my 9

Answer:

18

Step-by-step explanation:

9 x 2 9 + 9 ? u good people ?

The answer of the given question on how to graph y=3/4x-1/2 the following steps are given below.

The y-intercept is point where  graph crosses y-axis. In other words, it is the point where x = 0 and the value of y is some number.

In the equation of a straight line in the form y = mx + b (where m is the slope of the line and b is the y-intercept), the y-intercept is the constant term (b) that appears without any x-variable.

For example, in the equation y = 2x + 3, the y-intercept is 3, since it is the value of y when x is zero. Similarly, in the equation y = -1/2x + 4, the y-intercept is 4, since it is the value of y when x is zero.

The y-intercept is an important property of a straight line, as it helps us to identify the starting point of the line and gives us an idea of the position of the line on the y-axis.

To graph the equation y = (3/4)x - (1/2), we can follow these steps:

Choose a range of x-values to plot. For example, we can choose x-values from -2 to 2.

Substitute each x-value into equation to find corresponding y-value. For example,

when x = -2, we have:

y = (3/4)(-2) - (1/2)

= -3/2

So the first point we can plot is (-2, -3/2).

Repeat step 2 for several more x-values to find additional points. For example, when x = -1, we have:

y = (3/4)(-1) - (1/2)

= -5/4

So we can plot the point (-1, -5/4).

Similarly, when x = 0, we have:

y = (3/4)(0) - (1/2)

= -1/2

So we can plot the point (0, -1/2).

Continuing this process for a few more values of x, we can get more points to plot.

Plot the points on the coordinate plane and connect them with a straight line.

Note that since the coefficient of x is positive (3/4), the line has a positive slope. Additionally, the y-intercept of the line is -1/2. Therefore, we can start by plotting the point (0, -1/2), which is where the line crosses the y-axis.

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Answer:

If there were 100 points possible, you earned 70.

Step-by-step explanation:

So 70% means 70 per cent which means 70 parts per 100 parts. So this means that out of the total 100 maximum possible points, you have earned 70 of them but did not earn 30

The quadratic equation with zeros at -6 and 2 is y² + 4y - 12 = 0. This is in standard form, which is ax² + bx + c = 0, with a = 1, b = 4, and c = -12.

To find the quadratic equation with zeros at -6 and 2, we can start by using the fact that if a quadratic equation has roots x₁ and x₂, then it can be written in the form

(y - x₁)(y - x₂) = 0

where y is the variable in the quadratic equation.

Substituting the given values of the zeros, we get

(y - (-6))(y - 2) = 0

Simplifying this expression, we get

(y + 6)(y - 2) = 0

Expanding this expression, we get

y² - 2y + 6y - 12 = 0

Simplifying this expression further, we get

y² + 4y - 12 = 0

So the quadratic equation with zeros at -6 and 2 is

y² + 4y - 12 = 0

This is the standard form of a quadratic equation, which is

ax² + bx + c = 0

where a, b, and c are constants. In this case, a = 1, b = 4, and c = -12.

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A continuous time system can behave roughly throughout a variety of periods using a discretized state matrix. A continuous time condition matrix should be used in its place if these requirements are not satisfied since a discretized state matrix might not adequately depict the performance of a continuous time system.

A continuous time condition matrix is a matrix that is used to indicate the state of a system at any moment, as opposed to a discretized state matrix, which is used to describe the status of a system at discrete time intervals. Under the following conditions, a discrete-time state matrix is identical to a time series state matrix:

The system may be regarded as being in stable equilibrium at each time point since the time gaps between every discretization are short enough. This indicates that the behavior of the system does not drastically vary from one-time point to the next.

Over the time frames between each discretization, a linear model accurately predicts the behavior of the system. This means that the behavior of the system can be precisely predicted by a linear equation of the type "Ax = Bu," where A as well as B are matrices and x as well as u are vectors that, respectively, represent the system's state and input.

Over the intervals between each discretization, the system's input remains constant. This indicates that the system's input does not drastically vary from one-time point to the next.

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Without using a calculator, the trigonometric expressions simplify to:

1. sin^(-1)(sin(θ/6)) = θ/6

2. cos^(-1)(cos(5/4)) = 5/4

3. tan^(-1)(tan(5/6)) = 5/6.

To compute the trigonometric expressions without using a calculator, we can make use of the properties and relationships between trigonometric functions.

1. sin^(-1)(sin(θ/6)):

Since sin^(-1)(sin(x)) = x for -π/2 ≤ x ≤ π/2, we have sin^(-1)(sin(θ/6)) = θ/6.

2. cos^(-1)(cos(5/4)):

Similarly, cos^(-1)(cos(x)) = x for 0 ≤ x ≤ π. Therefore, cos^(-1)(cos(5/4)) = 5/4.

3. tan^(-1)(tan(5/6)):

tan^(-1)(tan(x)) = x for -π/2 < x < π/2. Thus, tan^(-1)(tan(5/6)) = 5/6.

Hence, without using a calculator, we find that:

sin^(-1)(sin(θ/6)) = θ/6,

cos^(-1)(cos(5/4)) = 5/4,

tan^(-1)(tan(5/6)) = 5/6.

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There are two main subtypes of quantitative data, which are discrete data and continuous data. Each subtype has different techniques for analysis.

1. Discrete data: This type of data represents whole numbers or counts that can only take specific values. Examples include the number of students in a class or the number of cars in a parking lot. Techniques used to analyze discrete data include:
  a. Frequency distribution: A summary of the number of times each value appears in the dataset.

 b. Measures of central tendency: Calculating the mean, median, and mode of the dataset to understand its central point.

 c. Measures of dispersion: Assessing the range, variance, and standard deviation to understand the spread of the data.

2. Continuous data: This type of data represents measurements that can take any value within a range, such as height, weight, or temperature. Techniques used to analyze continuous data include:

 a. Histogram: A graphical representation of the distribution of the data, using bars to represent the frequency of values within specific intervals.

  b. Probability density function: A mathematical function that describes the probability of a continuous random variable falling within a specific range.

  c. Regression analysis: A statistical method for analyzing the relationship between a dependent variable and one or more independent variables.

Both discrete and continuous data can also be analyzed using inferential statistics, such as hypothesis testing and confidence intervals, to make inferences about a population based on a sample of the data.

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Answer:

(- 3, 2 )

Step-by-step explanation:

The vertex is at the point where the 2 lines meet V

The coordinates at this point is the vertex

vertex = (- 3, 2 )

Answer:

(–3, 2) just completed the quiz

Step-by-step explanation:

Answer:

hours

Step-by-step explanation:

12 hours on an analog clock. there are 60 minutes in an hour, not 12.

Answer:

Step-by-step explanation:

We can solve this using equations. Below is the work.

Step-1: Write the equation.

Step 2: Multiply.

Step 3: Solve.

Hence, in 3 hours, it will cover a distance of 615 miles.

Hoped this helped.

\(BrainiacUser1357\)

Answer:

1) (1.5a , 2b)

2) a

3) (1.5a , b)

Answer:

\(\sqrt{-3}\)

Step-by-step explanation:

Since each of these answers contain a radical, you want to find the one that has a negative value, because technically sqrt(some negative number) isn't defined, or rather it has no real solution. This is because you can rewrite a radical as \(\sqrt{a * b} = \sqrt{a} * \sqrt{b}\). And since \(i = \sqrt{-1}\) you can rewrite \(\sqrt{-3}\) as \(\sqrt{-1} * \sqrt{3}\) which becomes \(i\sqrt{3}\)

A - Growth (25%)

B- Growth (75%)

C - Growth

D - Growth (100%)

E - Growth (99%)

An rise in the resultant quantity for a given quantity is referred to as exponential growth, and a decrease in the resultant quantity for a given quantity is referred to as exponential decay.

The term "exponential decay" in mathematics refers to the process of a constant percentage rate reduction in an amount over time. It can be written as y=a(1-b)x, where x is the amount of time that has passed, an is the initial amount, b is the decay factor, and y is the final amount.

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Answer:

option b ) 2x3 - x2 + 3x - 11; 25

Step-by-step explanation:

Answer:

Its not congruent bc they do not have the same width and lenth

Hope This Help

Explanation: Please give brainly if it's right!

First move all the x and y values on one side, and the constants on the other:

-x² + y = − 1

-x² - y = -7

Multiply -1 to the 2nd equation to change signs and then solve:

-x² + y = − 1

+x² + y = +7

2y = 6

y = 3

Plug in y to either equation (I plug into the first one)

-x² + 3 = − 1

-x² = -4

x = 2

1. The Red Trail is flat between miles 5 and 7.

False

2. The highest point on the Red Trail is at mile 11.

False

3. The Red Trail is steepest between miles 8 and 11.

True

1. The Red Trail is flat between miles 5 and 7.

False: From the elevation graph, it can be observed that the elevation is not constant or flat between miles 5 and 7. There are changes in elevation during this section of the trail.

2. The highest point on the Red Trail is at mile 11.

False: Looking at the elevation graph, it can be seen that the highest point on the Red Trail is not at mile 11. There are higher elevations both before and after mile 11.

3. The Red Trail is steepest between miles 8 and 11.

True: Examining the elevation graph, it can be observed that the slope or steepness of the trail is highest between miles 8 and 11. This is indicated by the steeper increase in elevation during this section compared to other parts of the trail.

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Answer:

2

Step-by-step explanation:

For Every x value the y value increases by 2

In spherical coordinates, the equation \(5z^2 = 6x^2 + 6y^2\) can be written as: \(ρ^2sin^2(φ) = 6ρ^2sin^2(θ)cos^2(φ) + 6ρ^2sin^2(θ)sin^2(φ)\)

Spherical coordinates are a system of coordinates used to represent points in three-dimensional space. In this coordinate system, a point is described by three parameters: ρ (rho), θ (theta), and φ (phi).

ρ (rho) represents the radial distance from the origin to the point.

θ (theta) represents the azimuthal angle, which is the angle measured in the xy-plane from the positive x-axis to the line connecting the origin and the point.

φ (phi) represents the polar angle, which is the angle measured from the positive z-axis to the line connecting the origin and the point.

In spherical coordinates, a point in 3D space is represented using three parameters: ρ (rho), θ (theta), and φ (phi).

ρ (rho) represents the radial distance from the origin to the point.

θ (theta) represents the azimuthal angle, which is the angle measured in the xy-plane from the positive x-axis to the line connecting the origin and the point.

φ (phi) represents the polar angle, which is the angle measured from the positive z-axis to the line connecting the origin and the point.

To express the equation\(5z^2 = 6x^2 + 6y^2\)in spherical coordinates, we need to convert the variables x, y, and z to their corresponding spherical coordinate representations.

In spherical coordinates, the conversions are as follows:

x = ρsin(φ)cos(θ)

y = ρsin(φ)sin(θ)

z = ρcos(φ)

Substituting these values into the equation, we have:

5(ρcos(φ))^2 = 6(ρsin(φ)cos(θ))^2 + 6(ρsin(φ)sin(θ))^2

Simplifying the equation further by expanding the terms and using trigonometric identities, we can obtain the equation in spherical coordinates:

\(ρ^2sin^2(φ) = 6ρ^2sin^2(θ)cos^2(φ) + 6ρ^2sin^2(θ)sin^2(φ)\)

This equation relates the variables ρ, θ, and φ in spherical coordinates and represents the same relationship as the original equation in Cartesian coordinates.

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-3x + y = 2 Equation (1)

7x -8y = 1 Equation (2)

Let us solve the system of equations with the elimination method.

-24x + 8y = 16 (Multiplying the equation 1 by 8)

+ 7x - 8y = 1 (Adding the equation 2 to the last form of the equation 1)

------------------

-17x = 17 (Adding like terms)

x = 17/(-17) ( Dividing by -17 on both sides of the equation)

x= -1

Replacing x=-1 in the equation 1,we have:

-3(-1) + y = 2

3 + y = 2 (Multiplying and using the sign rules)

y = 2- 3 (Subtracting 3 from both sides of the equation)

y = -1 (Subtracting)

The answers are x=-1 and y=-1

Answer:

b= -11

Step-by-step explanation:

For an equation to remain valid, what we do to the right- hand side of the equation should also be done to the left- hand side of the equation.

5b= -55

Since we are finding the value of b, we need to divide the right- hand side by 5 to obtain b from 5b. Thus, divide the left- hand side by 5 too.

b= -55 ÷5

b= -11

The statement "P implies Q" is false under the following conditions: a) P is true and Q is false, and d) P is false and Q is true.

The statement "P implies Q" can be expressed as "if P, then Q." It is a conditional statement where P is the antecedent (the condition) and Q is the consequent (the result).

To determine when the statement is false, we need to identify cases where P is true but Q is false, or when P is false but Q is true.

Option a) states that both P and Q are true. In this case, the statement "P implies Q" holds true because if P is true, then Q is true.

Option b) states that both P and Q are false. In this case, the statement "P implies Q" is considered true because the antecedent (P) is false.

Option c) states that P is true and Q is false. Under this condition, the statement "P implies Q" is false because when P is true, but Q is false, the implication does not hold.

Option d) states that P is false and Q is true. In this case, the statement "P implies Q" is true because the antecedent (P) is false.

Therefore, the conditions under which the statement "P implies Q" is false are a) P is true and Q is false, and d) P is false and Q is true.

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The given statement is False. A test statistic based on point estimation is not used to construct the decision rule which defines the rejection region.

In hypothesis testing, a test statistic is calculated using sample data and a specific hypothesis to assess the strength of evidence against the null hypothesis. The decision rule, which determines whether to reject or fail to reject the null hypothesis, is based on the test statistic's distribution under the null hypothesis, rather than the point estimate itself.

The construction of the decision rule involves selecting a significance level (alpha), which represents the probability of rejecting the null hypothesis when it is actually true. The rejection region is determined based on the chosen significance level and the distribution of the test statistic. If the calculated test statistic falls within the rejection region, the null hypothesis is rejected; otherwise, it is not rejected.

Point estimation, on the other hand, is used to estimate an unknown parameter of interest, such as the population mean or proportion, based on sample data. It involves calculating a single value (point estimate) that represents the best guess for the parameter value. The point estimate is not directly involved in constructing the decision rule or defining the rejection region in hypothesis testing.

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False. A test statistic based on point estimation is not used to construct the decision rule that defines the rejection region.

The process of hypothesis testing involves constructing a decision rule to determine whether to accept or reject a null hypothesis based on sample data. The decision rule is typically defined using a critical region or rejection region, which is a range of values for the test statistic.

Point estimation, on the other hand, is a method used to estimate an unknown population parameter based on sample data. It involves calculating a single value (point estimate) that serves as an estimate of the population parameter.

While point estimation and hypothesis testing are both important concepts in statistics, they serve different purposes. Point estimation is used to estimate population parameters, whereas hypothesis testing involves making decisions based on sample data.

The decision rule for hypothesis testing is typically constructed based on the significance level (alpha) and the distribution of the test statistic, such as the t-distribution or the standard normal distribution. The test statistic is calculated using sample data and compared to critical values or calculated p-values to determine whether to reject the null hypothesis.

Therefore, the statement that a test statistic based on point estimation is used to construct the decision rule defining the rejection region is false.

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We can fill 69 buckets of equal capacity from 586.5 litres of water. It's important to note that this calculation assumes that no water is lost or spilled during the filling process.

To find out how many buckets of equal capacity can be filled from 586.5 litres of water, we need to divide the total amount of water by the capacity of each bucket. In this case, each bucket has a capacity of 8.5 litres.

Dividing 586.5 by 8.5 gives us the number of buckets that can be filled:

586.5 / 8.5 = 69

Therefore, we can fill 69 buckets of equal capacity from 586.5 litres of water. It's important to note that this calculation assumes that no water is lost or spilled during the filling process.

Knowing how many buckets can be filled can be useful in a number of situations, such as when transporting or storing water. It can also help with planning and budgeting for water usage in a variety of settings, from households to agricultural operations.

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Answer:

Step-by-step explanation:

1 st hit=12 ft

2nd hit=2*6=12 ft

3rd hit=2*3=6 ft

4th hit=2*1.5=3 ft

distance=12+12+6+3=33 ft

Answer:

5 yd

Step-by-step explanation:

Use Pythagorean theorem,

Hypotenuse² = base² + altitude²

                      = 3² + 4²

                       = 9 + 16

                       = 25

Hypotenuse = √25 = √5*5 = 5 yd

The amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.

As per the given problem:

Amount deposited = $60.00

Interest rate per year = 9%

The formula for calculating the interest is given by:

Interest = (Principal × Rate × Time)/100

Where Principal is the initial amount invested or deposited

Rate is the percentage of interest that you earn per annum

Time is the duration for which you want to calculate the interest

Putting the values in the above formula, we get:

Interest = (60 × 9 × 2)/100= (108 × 1)/1= $108

So, the amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.

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Answer:

4 ++5 −

hope this helps

Answer:

9x - y

Step-by-step explanation:

4 { x + y } + 5 { x - y }

= 4x + 4y + 5x - 5y

= 4x + 5x + 4y - 5y

= 9x - y