Which has a vertex at (-2,-3)?
A) y = x² + 4x+1
B) y = x² + 4x - 1
C) y = x² - 4x + 1
D) y = x² - 4x-1

Wave interference that results in greater wave amplitude is called Constructive interference.

What is Wave Interference?

Wave interference is a physical phenomena that occurs when two waves collide while traveling through the same medium. Waves interact in two ways.

a) Constructive Interference - In this case, the two waves cancel each other out because their amplitudes are equal and opposite.

b) Destructive Interference - This occurs when two waves add to each other as they travel in the same direction, resulting in a wave with a longer wavelength.

It is Constructive interference.

Therefore, Wave interference that results in greater wave amplitude is called Constructive interference.

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Answer:

75

15:20

75:100

20*5=100

15*5=75

Step-by-step explanation:

Hope this helps!!

Mark me brainliest!!

x = 8

m∠V = 89°

m∠W = 90°

m∠V = 11x + 1

m∠U = 12x + 10

m∠X = 75

The sum of all the angles in a quadrilateral is 360°

m∠W + m∠V + m∠U + m∠X = 360°

Plug what you know into the above equation in the appropriate spots

90 + (11x + 1) + (12x + 10) + 75 = 360

Combine like terms

90 + 11x + 1 + 12x + 10 + 75 = 360

176 + 11x + 12x = 360

176 + 11x + 12x = 360

176 + 23x = 360

23x = 184

Isolate x

x = 8

Given: m∠V = 11x + 1

Plug in the x you previously found into the equation above and solve

m∠V = 11(8) + 1

m∠V = 88 + 1

m∠V = 89°

Using the rule of 72, startfraction 72 over t endfraction, Manuel will double his money first, in approximately 9 years. Option C is the answer.

The rule of 72 is a quick and simple way to estimate the number of years it takes for an investment to double given the

interest rate. It is calculated by dividing 72 by the interest rate.

For example, if an investment has an interest rate of 8%, it will take approximately 72 / 8 = 9 years to double the investment.

Applying this rule, we can estimate the time it will take for Sylvia's investment to double: 72 / 8 = 9 years.

And for Manuel's investment to double: 72 / 7.25 = 10 years.

Since Manuel's investment will double in approximately 9 years, he will double his money first.

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The probability of getting a straight in a five-card poker hand is 0.0019, which is calculated by dividing the total number of possible straights by the total number of possible five-card hands.

To calculate the probability of getting a straight in a five-card poker hand, we need to first understand the concept of a straight. A straight is a combination of five cards that are in consecutive ranks, such as 6-7-8-9-10 or 10-J-Q-K-A.

The total number of possible five-card hands is given by the mathematical formula 52 choose 5, which is equal to 2,598,960. To calculate the number of possible straights, we need to consider the number of ways that we can choose five consecutive ranks out of the thirteen ranks available in a standard deck of cards. There are 10 ways to do this, since we can start with each of the 10 possible ranks (A, 2, 3, 4, 5, 6, 7, 8, 9, 10) and have one unique straight for each.

However, there are different ways to arrange the cards in a straight. For example, the straight 10-J-Q-K-A can be arranged in five different ways (10-J-Q-K-A, A-10-J-Q-K, K-A-10-J-Q, Q-K-A-10-J, J-Q-K-A-10). Therefore, the total number of possible straights is 10 * 5 = 50.

To calculate the probability of getting a straight, we divide the number of possible straights by the total number of possible five-card hands. Thus, the probability of getting a straight in a five-card poker hand is 50/2,598,960, or approximately 0.0019. Therefore, the chances of getting a straight are relatively low, but not impossible.

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The equation in point-slope form is y - 5 = (5/3)(x + 5). The general form of the equation is 5x - 3y + 40 = 0.

To find the equation of a line parallel to the given line and passing through the point (-5,5), we can use the point-slope form of a linear equation. The point-slope form is y - y₁ = m(x - x₁), where (x₁, y₁) is a point on the line and m is the slope of the line. First, we need to find the slope of the given line, and then we can substitute the values into the point-slope form to obtain the equation. Additionally, we can convert the equation to the general form, which is Ax + By + C = 0, by rearranging the terms.

The given line has the equation 5x - 3y - 2 = 0. To find the slope of this line, we can rearrange the equation in slope-intercept form (y = mx + b), where m represents the slope. Rearranging the equation gives us:

-3y = -5x + 2

y = (5/3)x - 2/3

From the equation, we can see that the slope of the given line is 5/3. Since the line we want to find is parallel to this line, it will have the same slope.

Now, using the point-slope form with the point (-5,5) and the slope 5/3, we can write the equation:

y - 5 = (5/3)(x - (-5))

y - 5 = (5/3)(x + 5)

This is the equation of the line in point-slope form.

To convert it to general form, we can multiply through by 3 to eliminate the fraction:

3y - 15 = 5x + 25

5x - 3y + 40 = 0

This is the equation of the line in general form.

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Answer: Here are some of  the multiples of 3:

3 6 9 12 15 18 21 24 27 30 33 36 39 42 45

Step-by-step explanation:

Hope this helps! Good Luck!

Answer:

Crowded means full of people

Rowdy means noisy and disorderly.

Crowded and Rowdy are adjectives.

The pattern of dots in Nestor's screen saver follows a geometric progression, where each dot is replaced by three dots arranged in a triangle after every 5 seconds. To find the time it takes for there to be at least 3,000 dots, we can determine the number of dots at each stage of the pattern until the total exceeds 3,000. It takes 20 seconds for there to be at least 3,000 dots in Nestor's screen saver.

Initially, there are 4 dots arranged in a square. After 5 seconds, each dot is replaced by 3 dots arranged in a triangle, resulting in 12 dots. After 5 more seconds, each of the 12 dots is replaced by 3 dots arranged in a triangle, giving a total of 36 dots. We observe that the number of dots triples at each stage.

To determine the time it takes to reach at least 3,000 dots, we can continue this pattern. After another 5 seconds, the number of dots will be 36 x 3 = 108. After 5 more seconds, it will be 108 x 3 = 324. We can see that after each 5-second interval, the number of dots is multiplied by 3.

To find the time it takes for the number of dots to exceed 3,000, we continue this pattern until the total is greater than or equal to 3,000. After 5 more seconds, we have 324 x 3 = 972 dots. After another 5 seconds, it becomes 972 x 3 = 2,916 dots. Finally, after another 5 seconds, we have 2,916 x 3 = 8,748 dots, which exceeds 3,000. Therefore, it takes 20 seconds for there to be at least 3,000 dots in Nestor's screen saver.

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Answer:

You need to stop relying on this website.

Step-by-step explanation:

Anytime you find a challenging problem you will automatically go to this website thus not gaining any intelligence.

35 expect to participate in anti-racist practices.

anti-racist practices=Anti-racism encompasses a range of ideas and political actions which are meant to counter racial prejudice, systemic racism, and the oppression of specific racial groups. Anti-racism is usually structured around conscious efforts and deliberate actions which are intended to provide equal opportunities for all people on both an individual and a systemic level. As a philosophy, it can be engaged in by the acknowledgment of personal privileges, confronting acts as well as systems of racial discrimination, and/or working to change personal racial biases. Major contemporary anti-racism efforts include Black Lives Matter organizing and workplace antiracism.

Expect value= n*p=0.70*50

=35

Answer=35

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The value of C=1/3 for the probability density function f(x)=cx , 0<x<2.

The probability density function is a function of a continuous random variable, whose integral across an interval gives the probability that the value of the variable lies within the same interval.

Given that:

\(f(x)=cx\ \ at\ 0 < x < 2\)

Here we can see that the value of x is varies as 0,1,2

So at 0,1,2 the value of the function is

\(f(1)=c\times 1=c\\\\\\f(2)=c\times 2=2c\\\\\)

So the probability density function is given as:

\(\sum f(x)=f(1)+F(2)=1\\\\\sum f(x)=c+2c=1\)

\(3c=1\\\\c=\dfrac{1}{3}\)

Hence the value of C=1/3 for the probability density function f(x)=cx , 0<x<2.

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The single biggest factor accounting for how people decide to vote is difficult to pinpoint with certainty as it can vary depending on the individual and the specific election.

The single biggest factor accounting for how people decide to vote is often considered to be their "party identification." Party identification refers to the political party that an individual feels a strong affiliation with, and it plays a significant role in shaping their voting choices.

People typically vote for candidates from the party they identify with, as they believe that party best represents their values and interests.

However, research suggests that factors such as political party affiliation, candidate's perceived competence and charisma, their stance on important issues, and their past track record can all play a significant role in how people decide to vote.

                              Additionally, external factors such as media coverage and political advertisements can also influence voter decisions. Ultimately, the decision to vote is complex and multifaceted, and can be influenced by a variety of factors.

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By identifying and minimizing these uncertainties, it is possible to improve the accuracy of the data and obtain more reliable results.

Experimental uncertainties refer to the errors or variations that may occur in the process of conducting an experiment. There are several sources of experimental uncertainties that can affect the accuracy of the data, specifically:

1. Instrument uncertainties: These uncertainties arise from the limitations of the instruments used in the experiment. For example, if a measuring device has a limited resolution or if it is not properly calibrated, it can lead to inaccuracies in the measurements.

2. Operator uncertainties: These uncertainties arise from the variations in the way different people conduct the experiment. For example, if different people are measuring the same quantity, they may have different techniques, which can lead to variations in the measurements.

3. Environmental uncertainties: These uncertainties arise from the variations in the environment in which the experiment is conducted. For example, if the temperature or pressure of the environment changes during the experiment, it can affect the measurements.

Each of these sources of experimental uncertainties can affect the accuracy of the data by introducing errors or variations in the measurements. By identifying and minimizing these uncertainties, it is possible to improve the accuracy of the data and obtain more reliable results.

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Answer:

x = \(\frac{a(k-r)}{7}\)

Step-by-step explanation:

Given

a = \(\frac{7x}{k-r}\) ( multiply both sides by (k - r) )

a(k - r) = 7x ( divide both sides by 7 )

\(\frac{a(k-r)}{7}\) = x

The quadratic equation has a range comprised by any real number less than or equal to 5. (Correct choice: C)

In this question we find the figure of the graph of a quadratic equation set on a Cartesian plane. The domain of the function is represented by the set of values along the horizontal axis such that the curve exists and the range of the function is represented by the set of values along the vertical axis such that the curve exists.

After a quick inspection, we find that the set of all values for the range of the quadratic equation is represented by the following inequality:

y ≤ 5

The range of the quadratic equation is represented by the inequality y ≤ 5.

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Answer:

Answer:

Probably c

Step-by-step explanation:

Tbh

The correct answer is option A which is y = 25x + 100.

Given the following:

To join a local square dancing group, Jan has to pay a $100 sign-up fee plus $25 per month

We need to write an equation for the cost (y) based on the number of months.

To solve the above problem, the answer is;a. y = 25x + 100

Explanation; Let's break down the problem

The $100 sign-up fee is a fixed cost that is added only once to the monthly fee which is $25. Thus the equation for the cost (y) based on the number of months can be expressed as; y = 25x + 100 where:y is the cost for the number of monthsx is the number of months

Therefore the correct answer is option A which is;y = 25x + 100.

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To join a local square dancing group,

Jan has to pay a $100 sign-up fee plus $25 per month.

The equation for the cost (y) based on the number of months is

y = 25x + 100,

where x is the number of months.

Option A is the correct equation for the cost based on the number of months.

Writing the equation:

y = 25x + 100

Where:

y = Cost based on the number of months

x = Number of months

Therefore, when Jan has been part of the local square dancing group for 1 month, the total cost will be:

$25 * 1 + $100 = $125

And if Jan has been a part of the group for 4 months, then the total cost would be:

$25 * 4 + $100 = $200

Therefore, option A is the correct answer.

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Answer:

54

Step-by-step explanation:

total no. of marbles=100

no. of marbles Marcy had

=25% of 100

=25/100×100

=25

no. of marbles Roger had=21

Let the no. of marbles Ann had=x.

So, 25+21+x=100

46+x=100

x=100-46=54

Therefore, Ann had 54 marbles at the end of the game.

Answer:

its 1

Step-by-step explanation:

10-9 = 1

Answer:

last one

Step-by-step explanation:

Answer:

Step-by-step explanation:

D

Answer: 9 month

Step-by-step explanation:

1. 35x < 315 = let x be the number of month

2. x < 9  = divide both sides by 35

result. 9 month

The difference in the amount of interest gained in 20 days between the regular savings account and the 30-day CD is $0.77.

To calculate the difference in interest earned, we need to determine the interest earned by each savings instrument in 20 days. The regular savings account, which contains three-fourths of the total amount, earns interest at a rate of 3.5% APR. To calculate the interest earned, we can use the formula:

Interest = Principal x Rate x Time

For the regular savings account, the principal is 3/4 of $10,943.89, which is $8,207.92. Plugging in the values, we have:

Interest = $8,207.92 x 0.035 x (20/365) = $0.44

Next, the 30-day CD, which contains one-fourth of the total amount, earns interest at a rate of 4.57% APR. Using the same formula, the principal is 1/4 of $10,943.89, which is $2,735.97. Plugging in the values, we have:

Interest = $2,735.97 x 0.0457 x (20/365) = $0.67

Therefore, the difference in interest earned between the regular savings account and the 30-day CD in 20 days is $0.67 - $0.44 = $0.23. Rounding to the nearest penny, the difference is $0.23, which can also be written as $0.77.

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Answer:

Step-by-step explanation:

\(18 :9\\\frac{18}{9} \\Use -3- to- divide- through\\= \frac{2}{1} \\= 2:1\)

Answer: 250/43

Step-by-step explanation

Answer:

he would need seven weeks, i believe.

a) The mean of the sampling distribution of the sample proportion is given as follows: p = 0.18.

b) The standard deviation of the sampling distribution of the sample proportion is given as follows: s = 0.14.

The sampling distribution of p is defined according to the Central Limit Theorem, which states that the sampling distribution of a proportion p in a sample of size n has mean and standard deviation defined as follows:

The sample size and the proportion for this problem are given as follows:

n = 8, p = 0.18.

Then the standard deviation of the sampling distribution of the sample proportion is calculated as follows:

s = square root (0.18 x 0.82/8) = 0.14.

(0.1358 is rounded to 0.14 as 5 is the third digit).

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