A flower vase has 5 white lilies, 4 pink roses, and 6 yellow carnations. One flower is chosen at random and given to a woman for her to keep. Another flower is then chosen at random and given to a different woman for her to keep. Both women received a pink rose. Are these events independent or dependent?


A) Dependent because the women both received a pink rose.
B) Independent because the women both received a pink rose.
C) Dependent because when the first flower is taken, it affects the ratio of the types of flowers in the vase.
D) Independent because when the first flower is taken, it does not change the ratio of the types of flowers in the vase.

Another way is to note that there are (104)(104) (“10 choose 4”) ways to select 4 balls from a collection of 10. If 4 of those 10 balls are “special” in some way (in this case, “special” = “red”), then the number of ways to choose 4 special balls is (44)(44). (The factor of (60)(60) is included to convey that, after choosing 4 special balls, we choose none of the 6 non-special balls.) This line of reasoning gives the second expression.

Answer:

[tex]7\cdot g-3 = 42[/tex]

Step-by-step explanation:

As the first three guest are three and each aditional guest costs $ 7 dollars. The formula is presented as follows:

[tex]7\cdot (g-3) = 42[/tex]

Or:

[tex]7\cdot g = 63[/tex]

Or:

[tex]g = 9[/tex]

The wrong equation is:

[tex]7\cdot g-3 = 42[/tex]

Answer:

B. 150 children

Step-by-step explanation:

Let, number of children  = x and number of adults = y.

Since, total number of people attended the fair are 350.

So, x + y = 350.

Moreover, charges per child is $2 and adult is $3.

As, total sales are given to be $900.

So, 2x + 3y = 900

Thus, we get the system of equations,

2x + 3y = 900

x + y = 350

We will now solve the equations,

x + y = 350 ⇒ y = 350 - x

So, 2x + 3y = 900 ⇒ 2x + 3(350 -x) = 900 ⇒ 2x + 1050 - 3x = 900 ⇒ -x = -150 ⇒ x = 150.

Then, y = 350 - x ⇒ y = 350 - 150 ⇒ y = 200.

Hence, number of children and adults that attended the fair are 150 and 200 respectively.

The value of k in the expression is 12.

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

To simplify the given expression, we first need to expand the second term using the distributive property:

(x + 8)(x - 4) = x² - 4x + 8x - 32 = x² + 4x - 32

Now we can substitute this expression into the original expression:

x² + 16x + 64 - (x² + 4x - 32)

Simplifying further, we can combine like terms:

12x + 96

Now we can see that the expression can be rewritten as:

12(x + 8)

So the value of k is 12.

Thus,

The value of k is 12.

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To classify shapes, one can use the distance formula to calculate the lengths of a shape's sides and the slope formula to determine angles between sides. Analyzing these measurements helps identify if a shape is a rectangle, square, etc., based on side length equality and perpendicular angles.

Classifying Shapes Using Distance and Slope Formulas

To classify shapes using the distance and slope formulas, you'll need to analyze the lengths of sides and the angles between them. The distance formula helps determine the length of sides by calculating the distance between two points. On the other hand, the slope formula is used to find the inclination of sides, which can indicate whether lines are parallel or perpendicular.

Here's an example. Suppose we have a quadrilateral with vertices at (1,1), (1,4), (5,4), and (5,1). We'd calculate the distance between consecutive vertices to determine if the sides are equal. If the distances are the same, our shape might be a square or a rectangle. Next, we calculate the slopes of adjacent sides using the formula (y2-y1)/(x2-x1) (rise over run). If the slopes of adjacent sides are negative reciprocals of each other, the lines are perpendicular, which is a characteristic of rectangles and squares.

Applying the slope formula to our example, the slope from (1,1) to (1,4) would be (4-1)/(1-1), which is undefined, suggesting a vertical line. Between (1,4) and (5,4), the slope is (4-4)/(5-1), which is 0, indicating a horizontal line. Therefore, the expected behavior for a square's or rectangle's sides is observed. By further calculating all side lengths and slopes, we could definitively classify our shape.

Answer:

75 miles/hour

Step-by-step explanation:

Given information: d=337.5 miles and t=4.5 hours.

The given formula is

[tex]r=\frac{d}{t}[/tex]

where d is the distance in miles, r is the rate, and t is the time in hours.

We need to find the rate for d=337.5 miles and t=4.5 hours.

Substitute d=337.5 and t=4.5 in the above formula.

[tex]r=\frac{337.5}{4.5}[/tex]

[tex]r=75[/tex]

The value of r is 75, therefore we need to travel at the rate of 75 miles per hours to cover 337.5 miles in 4.5 hours.

Two forces act on the fish, and these are:

1) Its weight mg, downwards and 

2) pressure in the string, T, upwards which is 22 N when the string breaks. 
In the result of these two forces, the fish had an acceleration of 2.5 m/s^2 in the upward way. 


So, T - mg = m*2.5

=> m = T / (2.5 + g)

=> m > 22 / (2.5 + 9.8) ( when the string snaps ) 

=> m > 1.79 kg. 

As a result, the mass of the fish is more than 1.79 kg as the line has been broken.

Considering Newton's second law of motion and the given parameters of force and acceleration, the fish that caused the fishing line to snap would have a mass of approximately 1.76 kg.

In order to find out the mass of the fish in this scenario, we need to consider the principles of Newton's second law of motion, which states that the force exerting on an object is equal to the mass of the object multiplied by its acceleration (F=ma).

In this case, the force before the fishing line breaks is 22 N (Newtons), and acceleration due to gravity is 10 m/s² approximately. But as the fish is pulled out with an acceleration of 2.5 m/s², we consider total acceleration to be (10+2.5) m/s² = 12.5 m/s².

Making these substitutions into Newton's law, we will solve the equation to 22 N = m* 12.5 m/s², yielding the mass of the fish m = 22 N / 12.5 m/s² = 1.76 kg

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No, our friend is not correct because the absolute value equation has a solution.

Given that,
Friend says that the absolute value equation ∣3x + 8 ∣ − 9 = −5 has no solution because the constant on the right side of the equation is negative.
It is to justify whether our fried is correct or not.

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

Here,
|3x + 8 | - 9 = -5
| 3x + 8 | = -5 + 9
| 3x + 8 | = 4
3x + 8 = ± 4
x = (-8 ± 4) / 3
Here, it can be seen that the given aboslute value equation has the solution that implies our friend is wrong.

Thus, no, our friend is not correct.

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The x and y intercept of the given line is required,

The x intercept is [tex](6.2,0)[/tex]

The y intercept is [tex](0,3.1)[/tex]

The given line is [tex]2x+4y=12.4[/tex]

x intercept [tex]y=0[/tex]

[tex]2x+4\times 0=12.4\\\Rightarrow x=\dfrac{12.4}{2}\\\Rightarrow x=6.2[/tex]

The x intercept is [tex](6.2,0)[/tex]

y intercept [tex]x=0[/tex]

[tex]2\times 0+4y=12.4\\\Rightarrow y=\dfrac{12.4}{4}\\\Rightarrow y=3.1[/tex]

The y intercept is [tex](0,3.1)[/tex]

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To find the relative frequency of applicants whose score X is less than 500 on the quantitative GRE, calculate the Z-score for 500 and find the corresponding area under the standard normal curve.

To find the relative frequency of applicants whose score X is less than 500, we need to calculate the Z-score for 500. The formula for calculating the Z-score is: Z = (X - mean) / standard deviation. Plugging in the values, we get Z = (500 - 544) / 103 = -0.427.

Next, we need to find the corresponding area under the standard normal curve for the Z-score of -0.427. Using a calculator or a standard normal table, we find that the area to the left of -0.427 is approximately 0.3356.

Therefore, the relative frequency of applicants whose score is less than 500 is 0.3356, or 33.56%.

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The given in this problem are:

99% confidence level

N = 61

Mean = 2.0 kg

Standard deviation = 4.8

Z value for a 9% confidence interval is 2.576

Confidence Interval = mean ± Z s/ sqrt n

= 2.0 ± 2.576(4.8/sqrt 61)

=2.0 ± 2.576 (0.6145770236779006736364371988794)

= 2.0 ± 1.5832

= 0.4168 < x < 3.5832

Justin and his wife should focus on ( b) managing liquidity, as their savings are not sufficient to cover emergencies or unexpected expenses.

Based on the information provided, the area Justin and his wife should work on is b. managing liquidity. Justin's family has a set income from both his and his wife's jobs, and they have basic insurance coverage and are contributing to retirement. However, the fact that they have a relatively low balance in savings compared to their monthly outflow suggests that they may face challenges if unexpected expenses arise or if there is a disruption in their income. It’s important for them to focus on building a larger emergency fund to cover at least three to six months of living expenses to ensure they have sufficient cash on hand to handle unforeseen situations without jeopardizing their financial stability.

Titanic is no longer in existence, as it sank over a century ago and currently rests on the ocean floor.

If you are referring to combining the Atlantic Ocean with the Titanic, it would simply mean that the Titanic is traveling across the Atlantic Ocean.

The Titanic was a famous British passenger liner that sank in the North Atlantic Ocean on April 15, 1912, after hitting an iceberg during its maiden voyage from Southampton to New York City.

So, crossing the Atlantic with the Titanic would describe the journey of the Titanic as it sailed across the Atlantic Ocean.

However, it's important to note that the Titanic is no longer in existence, as it sank over a century ago and currently rests on the ocean floor.

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Solution:

The total cost will be the sum of money spent on tickets and on soda and popcorn.

Ticket cost for:

5 year old brother = $4.25.

Grandparents = 2x($6.00)=$12.00

Myself=$7.25.

Total cost of tickets= $4.25+$12.00+$7.25=$23.50

Total money spent= Cost of ticket + cost of soda popcorn= $23.50+$20=$43.50

Total money spent=$43.50.

Distance from point (-1,1) to line l: [tex]\( \frac{60}{\sqrt{74}} \)[/tex] units.

To find the distance from point P to line l, we can use the formula for the distance between a point and a line in the coordinate plane.

The formula to find the distance from a point (x1, y1) to a line Ax + By + C = 0 is given by:

[tex]\[ \text{Distance} = \frac{|Ax_1 + By_1 + C|}{\sqrt{A^2 + B^2}} \][/tex]

Where A, B, and C are the coefficients of the equation of the line, and (x1, y1) are the coordinates of the point.

First, let's find the equation of the line passing through the points (11, -1) and (-3, -11).

The slope of the line, m, can be calculated using the formula:

[tex]\[ m = \frac{y_2 - y_1}{x_2 - x_1} \][/tex]

[tex]\[ m = \frac{-11 - (-1)}{-3 - 11} = \frac{-11 + 1}{-3 - 11} = \frac{-10}{-14} = \frac{5}{7} \][/tex]

Now, we have the slope of the line. We can use the point-slope form of the equation of a line:

[tex]\[ y - y_1 = m(x - x_1) \][/tex]

Using one of the given points, let's say (11, -1):

[tex]\[ y - (-1) = \frac{5}{7}(x - 11) \][/tex]

[tex]\[ y + 1 = \frac{5}{7}(x - 11) \][/tex]

Now, let's convert this equation into the standard form Ax + By + C = 0:

[tex]\[ \frac{5}{7}x - y - \frac{5}{7} \cdot 11 + 1 = 0 \][/tex]

[tex]\[ \frac{5}{7}x - y - \frac{55}{7} + 1 = 0 \][/tex]

[tex]\[ \frac{5}{7}x - y - \frac{55}{7} + \frac{7}{7} = 0 \][/tex]

[tex]\[ \frac{5}{7}x - y - \frac{48}{7} = 0 \][/tex]

Now, we have the equation of line l:[tex]\(\frac{5}{7}x - y - \frac{48}{7} = 0\)[/tex]

Now, we can plug in the coordinates of point P (-1, 1) into the formula for the distance:

[tex]\[ \text{Distance} = \frac{| \frac{5}{7}(-1) - 1 - \frac{48}{7} |}{\sqrt{(\frac{5}{7})^2 + (-1)^2}} \][/tex]

[tex]\[ = \frac{| -\frac{5}{7} - 1 - \frac{48}{7} |}{\sqrt{\frac{25}{49} + 1}} \][/tex]

[tex]\[ = \frac{| -\frac{5}{7} - \frac{7}{7} - \frac{48}{7} |}{\sqrt{\frac{25 + 49}{49}}} \][/tex]

[tex]\[ = \frac{| -\frac{60}{7} |}{\sqrt{\frac{74}{49}}} \][/tex]

[tex]\[ = \frac{\frac{60}{7}}{\frac{\sqrt{74}}{7}} \][/tex]

[tex]\[ = \frac{60}{\sqrt{74}} \][/tex]

So, the distance from point P to line l is [tex]\(\frac{60}{\sqrt{74}}\)[/tex] units.