vicente is eating at a restaurant. his total bill comes to $24.90. if vicente decides to leave a tip that is approximately 15% of the total bill, how much should he leave for the tip?

If the null hypothesis is actually true, the probability of mistakenly rejecting it is 0.05 or 5%.

The probability of rejecting the null hypothesis by mistake, also known as a Type I error, is equal to the significance level, which is 0.05 in this case.

When the null hypothesis is true, the p-value represents the probability of obtaining a test statistic as extreme as, or more extreme than, the observed value. If the p-value is less than 0.05, we would reject the null hypothesis.

Therefore, if the null hypothesis is actually true, the probability of mistakenly rejecting it is 0.05 or 5%.

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Answer:

The answer is 0.71

Step-by-step explanation:

I divided it

Answer:

If the length of a tree's shadow is 35.25 meters. The height of the tree to the nearest hundredth of a meter will be : 11.74m

Given:

Denora height=1.35 meters

Length =35.25 meters

Width =31.2 meters

Height of the tree=x

Proportion:

1.35 : 35.25 :: x : 31.2

Now let's determine the height of the tree:

35.25 - 31.2 / 1.35 = 35.25 / x

4.05 / 1.35 = 35.25 / x

Cross multiply

4.05x = 35.25 × 1.35

4.05x = 47.58

Divide both sides

x = 47.58 / 4.05

x = 11.74

In conclusion, if the length of a tree's shadow is 35.25 meters. The height of the tree to the nearest hundredth of a meter will be: 11.74m

The average line shows the average of the data for a particular graph by drawing a line across the chart at the mean value points on the y-axis. By default, the average line label is displayed as a combination of line value and line title. 

Graph is a collection of data from several tables that will be presented or also displayed in the form of images, such as squares, circles, tubes, triangles, beams, cones or others. Graphics are also usually also interpreted as a framework or image that will be used to create a visualization object from data in tables with the aim of being able to provide information about a data from the material presenter to the recipient of the material.

In addition, graphs are also often interpreted as a description of the ups and downs of an existing data, or depicted by lines or pictures. The data used to create graphics can be in the form of numbers, letters, symbols, pictures, symbols, sayings, or paintings.

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The distance between points W and X is 5 units. We can count the number of units between the two points on the number line, which is 5.

A number line is a visual representation of numbers in one dimension, typically displayed horizontally. It is used to represent both positive and negative numbers, as well as fractions and decimals.

A number line is a straight line that is typically divided into equal segments or intervals, each of which represents a specific value. For example, a number line that represents integers may be divided into equal segments or intervals that represent consecutive integers, such as -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, and 5.

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Answer:

last one

Step-by-step explanation:

Answer: the correct answer is B the guy above me is wrong

Step-by-step explanation:

Answer:\(\Large\boxed{First~choice.~y\leq \frac{1}{2}x+2 }\)

Step-by-step explanation:

Given function form

Point-Slope form : y = mx + b

Given the information from the graph

Since the graph crosses (0, 2), b = 2

Find the slope

Choose any two points from the graph

(x₁, y₁) = (0, 2)

(x₂, y₂) = (2, 3)

Slope = (y₂ - y₁) / (x₂ - x₁)

Slope = (3 - 2) / (2 - 0)

Slope = 1 / 2

m = 1 / 2

Therefore, the equation form of the inequality is y = (1/2)x + 2

Since it is a solid line, the values on the line are also included. Thus, it must be either greater than or equal to, or less than or equal to.

The shaded region is below the solid line, therefore, it is ≤

Therefore, the inequality is \(\Large\boxed{y\leq \frac{1}{2}x+2 }\)

To double-check the sign, we can substitute (0, 0) into the inequality to see whether it is true.

y ≤ (1/2) x + 2

0 ≤ (1/2) 0 + 2

0 ≤ 2              TRUE

Hope this helps!! :)

Please let me know if you have any questions

Answer:

the answer is 1/2

Step-by-step explanation:

.79 2/3 1/2 .4

The equation in slope-intercept form for the line is y = -3/2x + 5.

We have,

In slope-intercept form,

The equation of a line is written as y = mx + b, where m represents the slope of the line and b represents the y-intercept (the point where the line crosses the y-axis).

Given that the slope is -3/2 and the y-intercept is 5, we can substitute these values into the equation to obtain:

y = -3/2x + 5.

This equation tells us that for every increase of 1 unit in the x-coordinate, the y-coordinate decreases by 3/2 units.

The y-intercept of 5 indicates that the line passes through the point (0, 5).

Thus,

The equation in slope-intercept form for the line is y = -3/2x + 5.

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The set {x|x ∈ N and x^2 - 2x - 8 = 0} can be described as {4}.

To describe the given set by listing its elements, we first need to solve the quadratic equation x^2 - 2x - 8 = 0 for x, keeping in mind that x ∈ N (x is a natural number).

Using the quadratic formula, we get:

x = [2 ± √(2^2 - 4 * 1 * (-8))] / (2 * 1)
x = [2 ± √(4 + 32)] / 2
x = [2 ± √36] / 2
x = [2 ± 6] / 2

This gives us two possible values for x:

x1 = (2 + 6) / 2 = 8 / 2 = 4
x2 = (2 - 6) / 2 = -4 / 2 = -2

Now, we need to check which of these values belong to the set of natural numbers (N). Since natural numbers include only positive integers, only x1 = 4 is a natural number.

So, the set {x|x ∈ N and x^2 - 2x - 8 = 0} can be elaborated as {4}.

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The height of the stone at the time it is thrown when the stone's height h, t seconds after Alain threw it, is

modeled by h=-4.9^2+10t+18 is 18 meters.

​Given:

h=-4.9t²+10t+18

where h is the height (in meters) of the stone t seconds after Alain threw it

Now,

To find the height of the stone at the time it is thrown,

We have to find the value of h when t=0

Put t=0 in h=-4.9t²+10t+18

h=-4.9(0)²+10(0)+18h

=18 meters

Therefore, the height of the stone at the time it is thrown is 18 meters.

Complete question: Alain throws a stone off a bridge into a river below. The stone's height h (in meters above the water). t seconds after Alain threw it, is modeled by:

h=-4.9^2+10t+18

What is the height of the stone at the time it is thrown?

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Answer:

The multiple of 5 is 25

Step-by-step explanation:

The computation of the multiple of 5 is given below:

The multiple of 5 are 5, 10,15,20,25 etc

And, the answer would be lies between 14 and 32

So here we took 25

As if we took 25 and now we add 3 the number would be 28 which is easily divisible by 7

Therefore the multiple of 5 is 25

Answer:

24.6 cm^2

Step-by-step explanation:

3.28m = 328 cm

75mm = 0.075 cm

Area of rectangle: L x W

328 times 0.075 = 24.6 cm^2

Answer:

1 7/10 or 1.70

Step-by-step explanation:

6 1/2 - 9/10

Convert the mixed number to an improper fraction

13/2 - 9/10

Find a common denominator for these 2 fractions, and in this case it can be 10

13 * 2/ 5 * 2

26 / 10 - 9/10

17/10

1 7/10 as a fraction or 1.70 as a decimal

Hope this helped!

Have a supercalifragilisticexpialidocious day!

\(8^{3} \cdot 8^{-7} =8^{-4}=\boxed{\frac{1}{8^4}}\)

The hydrologic cycle, also known as the water cycle, plays a crucial role in the Earth's natural processes. It involves the continuous movement of water between the Earth's surface, atmosphere, and underground reservoirs.

The importance of the hydrologic cycle can be understood by considering its various functions:

Transport: The hydrologic cycle facilitates the transport of water across the Earth's surface, including rivers, lakes, and oceans. This movement of water is vital for the distribution of nutrients, sediments, and organic matter, which are essential for the functioning of ecosystems.

Weathering and Contaminant Transport: Water plays a significant role in weathering processes, such as erosion and dissolution of rocks and minerals. It also acts as a carrier for contaminants, pollutants, and nutrients, influencing their transport through the environment.

Energy Balance: Water has a high heat capacity, which means it can absorb and store large amounts of heat energy. This property helps regulate the Earth's temperature and climate by transporting heat through evaporation, condensation, and precipitation.

Greenhouse Gas: Water vapor is a major greenhouse gas that contributes to the Earth's natural greenhouse effect. It absorbs and re-emits thermal radiation, trapping heat in the atmosphere. Approximately 80% of the atmospheric greenhouse effect is attributed to water vapor.

Life: Water is vital for supporting life on Earth. It provides a habitat for numerous organisms and serves as a medium for various biological processes. Terrestrial life forms, including plants, animals, and humans, rely on water availability for their survival, growth, and reproduction.

It is important to note that while water is critical for most terrestrial life forms, human beings have developed technologies and systems that allow them to inhabit regions with limited water availability. However, water still remains a fundamental resource for human societies, and the hydrologic cycle plays a crucial role in ensuring its availability and sustainability.

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Answer: The answer is 25.

Answer:

60000

Step-by-step explanation:

6x1=6. When multiplying 100's you just carry the 0's so there are for 0's in 100*600 and all you do is add the 6 which your answer comes out 60000 which is sixty thousand.

Answer:

6 minetes? how does this work?

Step-by-step explanation:

In ΔQRS, if sin R = cos S, we can conclude that ∠R and ∠S are complementary angles.

In a right triangle, the sine of an angle is equal to the cosine of its complement. By the given equation sin R = cos S, it implies that R and S are complementary angles that add up to 90 degrees.

To understand this concept, we can consider the unit circle. The sine of an angle represents the y-coordinate on the unit circle, while the cosine represents the x-coordinate. When sin R = cos S, it means that the y-coordinate of angle R is equal to the x-coordinate of angle S. This suggests that angle R and angle S are complementary angles, as they share the same relationship between their trigonometric ratios.

Therefore, we can conclude that in ΔQRS, ∠R and ∠S are complementary angles, with their measures adding up to 90 degrees.

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The complete question is:

In ΔQRS, sin R= cos S. What can you conclude about ∠R and ∠S?

Both are supplementary angles.

Both are complementary angles.

Both are obtuse angles.

Both are right angles.

a. The solution for x - 3 ≥ 0  is x ≥ 3

b. The solution for 2x + 11 < 3  is x < -4

c. The solution for the quadratic equation is  -1  ≥ x ≥ 2

d. The solution is x < -4/3 or x > 1

a. x - 3 ≥ 0

isolating the variable x

x - 3 ≥ 0

x ≥ 3

b. 2x + 11 < 3

isolating variable x

2x + 11 < 3

2x < 3 - 11

2x < -8

x < -4

c. x² ≥ x + 2

rearranging the quadratic equation

x² - x - 2 ≥ 0

factorizing

(x - 2)(x + 1) ≥ 0

d. x + 4 > 3x²

rearranging the quadratic equation

3x² - x - 4 < 0

factorizing

(x - 1)(3x + 4) < 0

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Answer:

1.A

2.D

Step-by-step explanation:

Brainliest pls hardstuck ambitious

In the given Markov chain, State 1 is absorbing, State 4 is periodic, State 1 is recurrent, and States 3, 4, and 5 are recurrent.

A Markov chain is a stochastic model that represents a sequence of states where the probability of transitioning from one state to another depends only on the current state. Let's analyze the given Markov chain to determine the properties of each state.

State 1: This state has a probability of 1 in the first row, indicating that it is an absorbing state. An absorbing state is one from which there is no possibility of leaving once it is reached. Therefore, statement a) is correct, and State 1 is absorbing.

State 2: There are no transitions from State 2 to any other state, which means it is an absorbing state as well. However, since it is not explicitly mentioned in the question, we cannot determine its status based on the given information.

State 3: This state has non-zero probabilities to transition to other states, indicating that it is not absorbing. Furthermore, it has a loop back to itself with a probability of 1/6, making it recurrent. Hence, statements c) and e) are incorrect, while statement f) is correct. State 3 is recurrent.

State 4: State 4 has a transition probability of 1/3 to State 3, which means there is a possibility of leaving this state. However, there are no outgoing transitions from State 4, making it an absorbing state. Moreover, since there is a loop back to itself with a probability of 2/3, it is also recurrent. Therefore, statement b) is correct, and State 4 is periodic and recurrent.

State 5: Similar to State 4, State 5 has a transition probability of 2/3 to State 3 and no outgoing transitions. Hence, State 5 is also an absorbing and recurrent state. Consequently, statement e) is correct.

To summarize, State 1 is absorbing and recurrent, State 4 is periodic and recurrent, and States 3 and 5 are recurrent.

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Shortest distance between start and end point is 55.9 miles

According to given statement,

Terry had to travel south 50 miles and then west 25 miles.

We are taking X as a start point and Z is end point.

In triangle XYZ, we are taking angle Y to be of 90 degrees, which qualifies the Triangle XYZ to qualify Pythagorean theorem [The Pythagorean theorem, sometimes known as Pythagoras' theorem, is a basic relationship between a right angle triangle's three sides in Euclidean geometry. According to this statement, the areas of the squares on the other two sides add up to the size of the square whose side is the hypotenuse.]

XY = 50 miles

YZ= 25 miles

XZ^2 = XY^2 + YZ ^2

XZ^2 = (50) ^2 + (25) ^2 = 3125

XZ = 55.9

Shortest distance between start and end point is 55.9 miles

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Dominic should lower or maintain his sodium intake to below 2,300 mg/day.

The Chronic Disease Risk Reduction (CDRR) consumption of 2,300 mg/day was recently developed due to connections between high sodium intake and the risk of hypertension. It is anticipated that sodium intake below this level will lower the risk of chronic diseases.

Adults may be at risk for chronic diseases if their sodium intake exceeds their CDRR intake. The population's cardiovascular health may be improved by efforts to reduce sodium consumption. Among healthy individuals, lowering daily sodium intake to CDRR is anticipated to lower the risk of developing chronic diseases, primarily by lowering blood pressure.

Hence, sodium intake to below 2,300 mg/day can reduce his risk of chronic disease.

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Answer:

christian closest-0.5 is the distance he traveled which is less than 8 and 6

Step-by-step explanation:

Freddie is the fastest because christian travles .1 miles every 2 minutes being the slowest  and .8 is greater than .66666

Answer:

a. Christian

b. Freddie

Step-by-step explanation:

a.

y = mx + b

m is the slope. It represents the speed of walking.

b is the y-intercept. It represents the distance from the school at time 0. Time 0 is when a person leaves his home, so the higher b is the farther from the school the person lives.

Freddie: y = -0.8x + 8

b = 8

Freddie lives 8 miles from school.

Christian: (0, 0.5); b = 0.5

Christian lives 0.5 miles from school.

Trevor: (0, 6) from the graph. b = 6; Trevor lives 6 miles from school.

a. Answer: Christian

b.

Each slope is the speed.

Freddie: m = -0.8

Christian: m = (0.4 - 0.5)/(2 - 0) = -0.1/2 = -0.05

Trevor: m = rise/run = -2/3 = -0.666...

The fastest speed is the slope with the highest absolute value.

b. Answer: Freddie

Answer:

graph{6x [-10, 10, -5, 5]}

Step-by-step explanation:

Start with

1. x = 0.

2. Here, y = 0 and your first dot.

3. Got to x = 1; And here is y = 6. So your second dot is at y = 6 and x = 1.

4. Connect both dots and you will get the graph below.

(sorry if dont make sense)