need help asap with just one question.
1.what is the slope of the graph between 120 and 150 minutes? what does this mean in terms of change in elevation? (2 points: 1 for slope, 1 for the explanation)​

Answer:

0.1

Step-by-step explanation:

Multiplication comes first 2X5 the divide by 100 is 0.1

Answer:

0.333333333

Step-by-step explanation:

0.333333333×0.3=1

3/10=0.3

To find the number of triangles with vertices of three different colors, we need to consider the combinations of colors we can choose from the given set of points.

We have 8 red points, 4 green points, and 6 blue points. To form a triangle with vertices of three different colors, we need to choose one point from each color group.

First, let's choose one red point. We have 8 options for this.

Next, let's choose one green point. We have 4 options for this.

Finally, let's choose one blue point. We have 6 options for this.

To determine the total number of triangles, we need to multiply the number of options for each color:

Total number of triangles = Number of options for red points × Number of options for green points × Number of options for blue points

                      = 8 × 4 × 6

                      = 192

Therefore, there are 192 triangles with vertices of three different colors.

It's worth noting that the order in which we choose the points does not matter because we are counting the number of distinct triangles. So, we are not considering permutations but rather combinations of colors.

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Using the ANOVA model, you can determine if the surface type has a significant impact on the speed of guineas.

Given that you are comparing the speed of guineas across three different surface types (grass, turf, and concrete), you would use an Analysis of Variance (ANOVA) model to analyze this data.

An ANOVA model allows you to compare the means of the speeds for each group (grass, turf, and concrete) and determine if there are any significant differences between them. The model takes into account the variability within each group and the variability between the groups to determine if the differences observed are due to chance or if they are statistically significant.

Here are the steps to perform an ANOVA analysis:

1. Collect the speed data for each guinea in the three groups (grass, turf, and concrete).
2. Calculate the means of the speeds for each group.
3. Calculate the overall mean of the speeds for all groups combined.
4. Calculate the Sum of Squares Within (SSW), which measures the variability within each group.
5. Calculate the Sum of Squares Between (SSB), which measures the variability between the groups.
6. Calculate the Mean Squares Within (MSW) and Mean Squares Between (MSB) by dividing the respective sums of squares by their degrees of freedom.
7. Calculate the F-statistic by dividing MSB by MSW.
8. Compare the F-statistic to the critical value from the F-distribution table based on the chosen level of significance (e.g., 0.05) and the degrees of freedom for the numerator and denominator.
9. If the F-statistic is greater than the critical value, you can conclude that there are significant differences between the groups' mean speeds, and further analysis can be conducted to determine which specific groups differ.

Using the ANOVA model, you can determine if the surface type has a significant impact on the speed of guineas.

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You can suggest that managers should avoid the quick-fix mentality that makes management by best-seller so tempting by implementing the following strategies:

1. Understand the Unique Nature of Your Business: Managers should take the time to understand the unique nature of their business. They should realize that what worked for another company may not work for their own company.

2. Avoid Short-Term Solutions: Managers should avoid short-term solutions that provide quick results. They should focus on long-term solutions that will benefit the organization in the long run.

3. Develop a Comprehensive Strategy: Managers should develop a comprehensive strategy that includes long-term goals and objectives. They should also have a plan in place to achieve those goals.

4. Invest in Employee Development: Managers should invest in employee development by providing training and development opportunities. This will help to build a strong workforce that is capable of handling complex challenges.

5. Encourage Collaboration: Managers should encourage collaboration among team members. This will help to create a culture of teamwork and cooperation.

6. Monitor Progress: Managers should monitor progress and adjust strategies as necessary. This will help to ensure that the organization is on track to achieving its goals.

By following these strategies, managers can avoid the quick-fix mentality that makes management by best-seller so tempting. They can focus on long-term solutions that will benefit the organization in the long run.

Hope this helped you...

The type of sampling strategy used when a researcher selects subjects that are easily accessible to participate in a study is called convenience sampling.

Convenience sampling is a non-probability sampling technique where researchers select subjects who are easily accessible to them. This type of sampling is often used when it is difficult or time-consuming to obtain a random sample.

Convenience samples are often used in exploratory studies, where the researcher is trying to get a general sense of a population. However, convenience samples are not representative of the population, so the results of studies that use convenience samples should be interpreted with caution.

Here are some of the advantages and disadvantages of convenience sampling:

Advantages:

Disadvantages:

Here are some examples of convenience sampling:

A researcher studying the effects of a new drug on depression might select subjects who are easily accessible to them, such as patients who are already being treated for depression at a local clinic.

A researcher studying the effects of a new educational program on student achievement might select subjects who are easily accessible to them, such as students who are already enrolled in a particular school district.

It is important to note that convenience sampling is not the only type of non-probability sampling technique. Other types of non-probability sampling techniques include quota sampling, snowball sampling, and purposive sampling.

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The histogram doesn't support Alfonso's claim and the correct option is 5: No, the distribution is skewed to the left with a mean age greater than 36.

What is a histogram?

A histogram is a graphic depiction of a frequency distribution with continuous classes that has been grouped. A series of rectangles with bases equal to the distances between class boundaries and areas proportional to frequencies in the associated classes make up the area diagram.

Consider the given histogram at the photo below. It is an left-skew histogram, since it has a long tail to the left side.

We need to estimate the mean of the given data. To do so, we need to multiply each class midpoint with its probability, and sum them.

For example, for the first one, the midpoint is 32 and the probability is 0.03 (read the value on the y-axis). For, the second one, the midpoint is 33 and the probability is 0.04, for the third the midpoint is 34 and the probability is 0.05, and so on. All needed values are presented below.

1. midpoint = 32, probability= 0.03

2. midpoint = 33, probability = 0.04

3. midpoint = 34, probability = 0.05

4. midpoint = 35, probability = 0.1

5. midpoint = 36, probability =0.11

6. midpoint = 37, probability = 0.13

7. midpoint = 38, probability = 0.2

8. midpoint = 39, probability = 0.09

So, it is obtained that -

μ = 0.03 · 32 + 0.04 · 33 + 0.05 · 34 + 0.10 · 35 + 0.11 · 36 + 0.13 · 37 + 0.25 · 38 + 0.20 · 39 + 0.09 · 40

μ = 37.15

Therefore, this histogram is left-skewed with mean greater than 36.

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Answer:

B. 12/13

Step-by-step explanation:

Hypotenuse= \(\sqrt{(5)^{2}+12^{2} } \\\)

hypotenuse=13

opposite= 5

adjacent= 12

Cosine= adjacent/hypotenuse

cosine= 12/13

Answer:

Use the distributive property and it will help a lot.

Step-by-step explanation:no solution

Answer:

Zero

Step-by-step explanation:

First you do (3-2) which is one then you multiply that by five which gives you 5. Then you will subtract 5 from each side and that leaves you with 15a=0. Divide both sides and you’ve got zero

Answer:

Answer :- Statement (B) ,C'D' ll AB

Given AB is parallel to CD.  CD rotated.

Consider a transversal line l intersecting AB and CD at angle x.

therefore By slope formula,

slope of AB and CD = m =tanx

Now after rotation of 180 CD become C'D'

therefore, slope of C'D' = =tanx=m

Hence C'D' ll AB.

Answer:

You line up the letters

Answer:

this is a rip off there at no 20 points it only 10

Step-by-step explanation:

Answer:

B.) Carrier B

Step-by-step explanation:

The unit rate would be \(c = 12t\). Since the cost for 2 minutes is $0.24 it is easy to figure out that for 1 minute it would be $0.12.

Might be a bit confusing, but hope it helps.

Answer:

-4

Step-by-step explanation:

y=3x13

2x=y-9

2x=3x+13-9

2x=3x+13-9

2x=3x+4

-3  -3

-x=4

-x/ -x/

x=-4

(You said "3x13" so i'm going to guess you meant to say "3x+13").

(If you meant "3x-13" I can also help you with that too)!

9514 1404 393

Answer:

  β ≈ 39.9°

  θ ≈ 50.1°

Step-by-step explanation:

The mnemonic SOH CAH TOA is intended to remind you of the relationships between the sides of a right triangle and the trig functions of the acute angles.

For angle β, we know the opposite side and the hypotenuse, so the relevant relation is ...

  Sin = Opposite/Hypotenuse

  sin(β) = 61/95

The inverse function is used to find the angle when the sine is known.

  β = arcsin(61/95) ≈ 39.9°

Of course, the angle θ is the complement of this:

  θ = 90° -39.9° = 50.1°

Answer:

Step-by-step explanation:

sin β = 61/95 = 0.642105

β = 39.95 degrees.

O = 90 - 39.95

= 50.05 degrees

cos O = 61/95.

Note that cos (90-β) = sin β.

The precentile for a student in the class who studies 8 hours a week is 5.74%.

To find the percentile for a student who studies 8 hours a week, we need to first standardize the student's study time by subtracting the mean study time and dividing it by the standard deviation of study time. This will give us the student's z-score. We can then look up the student's z-score in a standard normal table to find the percentile.

The student's z-score is (8 - 9.92) / 4.54 = -1.67.

Looking up -1.67 in a standard normal table, we find that the percentile is about 5.74%. This means that about 5.74% of the students in the class studied for less than 8 hours per week.

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As per the given standard deviation, the percentile for a student in the class who studies 8 hours a week is 50.80%

The term standard deviation in math is known as a measure which shows how much variation from the mean exists.

Here we have given that in one statistics course students reported studying an average of 9.92 hours a week with a standard deviation of 4.54.

Through this details, we have identified that the value of the following are given that,

=> weekly study time = 10 hours

=> average study time = 9.92 hours

=> standard deviation = 4.54 hours

Then the formula to calculate the Test statistic is written as

=> z = (weekly study time - average study time)/standard deviation

Apply the values on it, then we get

=> z = (10 - 9.92)/4.54

=> z = 0.08/4.54 = 0.02

While we take the value of z table, then we get the Cumulative area of the test statistic is 0.5080.

And the percentile is calculated by multiply the value by 100 as,

=> 0.5080 × 100 = 50.80

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Answer:turn right 45 degrees, then turn right another 45 degrees. flip the figure x-axis wise/horizontally

Step-by-step explanation:

The squares have a triangle in between them. The red square forms the hypotenuse, so we can use the Pythagorean theorem.

n^2 = 9^2 + 12^2

n^2 = 81 + 144

n^2 = 225

n = 15

There's your answer :)

n = 15

Answer:

Quantity of fuel is 24 L, based on the model S=2400/Q when S=100

Step-by-step explanation:

If the output power of the car remains constant, the speed would reduce as the masses increase, which is the shown in the observed data.

Hence S does NOT vary directly with the mass and quantity, but varies INVERSELY with the mass and fuel (which has a mass).

Many models are possible to fit the results.  Product models with a single constant k

S(m,q) = kmq  and S(m,q) = k/mq  

do not fit both observation, hence rejected.

A possible  model with two constants is shown below

S(m,q) = k1/m + k2/q..................(1)

1.  m=220, q=30 =>  80 = k1/220 + k2/30 ..........(2)

2. m=300, q=40 =>  60 = k1/300 + k2/40 ..........(3)

Solve system (2) and (3) gives k1=0, k2 = 2400.

So it appears that the speed is independent of the mass (m) [unlikely], but inversely proportional to the quantity (q) of fuel, giving

S(q) = 2400/q

When speed = 100 km/h, and mass = 250 kg,  substitute

100 = 2400/q => q=2400/100 = 24

The test to use when there's an independent group design and ordinal data is the Kruskal Wallis test

Given: Independent group and ordinal data. To find which test to use.

What's the Kruskal Wallis test?

The Kruskal Wallis test is used when you have one independent variable with two or further situations and an ordinal dependent variable. In other words, it's thenon-parametric interpretation of ANOVA and a generalized form of the Mann- Whitney test system since it permits two or further groups.

The Kruskal Wallis test is used when you have one independent variable with two or further situations and an ordinal dependent variable. In other words, it's thenon-parametric interpretation of ANOVA and a generalized form of the Mann- Whitney test system since it permits two or further groups.

The null thesis for the Kruskal- Wallis test simply states that there are no methodical or harmonious differences among the treatments being compared.

How to calculate the Kruskal Wallis test?

The computation of the Kruskal- Wallis statistic requires

Hence as is mentioned for an independent group design and ordinal data so we use the Kruskal Wallis test.

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We can use the Kruskal Wallis test when we have an independent group design and ordinal data.

We are given an independent group design and ordinate data.

We need to tell which test to use on them.

The Kruskal Wallis test is used when you have one independent variable with two or more situations and one ordinal dependent variable. In other words, it is an interpretation of ANOVA table and a generalized form of the Mann- Whitney test system.

The null hypothesis for the Kruskal- Wallis test tells us that:

There are no methodical or harmonious differences among the treatments being compared.

Therefore, we can use the Kruskal Wallis test when we have an independent group design and ordinal data.

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Answer:

33

Step-by-step explanation:

f(4) = 4(4) - 3 = 16 - 3  =  13

g(-5) = -2(-5) + 10  =  10 + 10  =  20

13 + 20 = 33

The equation representing the cost, C, of air conditioning your home, in dollars per day, when the temperature outside is T degrees Fahrenheit is given by the function C(T).

We need the information about the relationship between the cost, C, of air conditioning your home in dollars per day and the temperature outside is T degrees Fahrenheit.

It is mentioned that the cost, C, of air conditioning your home is dependent on the temperature outside, so we can say that it is a function of the temperature outside, T.

In mathematical terms, this can be written as:

C(T)

Here, C is a function of T, which implies that the cost of air conditioning depends on the temperature outside.

Hence, this equation tells us the relationship between C and T.

The equation, therefore, could be a linear or a nonlinear equation, depending on the nature of the relationship between C and T.

So, we can say that the equation representing the cost, C, of air conditioning your home, in dollars per day, when the temperature outside is T degrees Fahrenheit is given by the function C(T).

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Answer:

Simple Interest: $3.44

Annually Compounded Interest: $3.51

Answer:

Joey is going to pay $687.5

In all Joey is going to pay $3437.5

Step-by-step explanation:

To get 687.5 you have to do $2750 x 0.05 x 5 years

That gets you 687.5

To find the volume of the cylinder, we need to use the formula:

V = πr^2h

where V is the volume, r is the radius, and h is the height.

If we have a cylinder with radius r and height h, and another cylinder with the same radius r but double the height (2h), the volume of the second cylinder is:

V' = πr^2(2h) = 2πr^2h

So, to answer the questions:

The volume of the cylinder is V = π(5 cm)^2(8 cm) = 100π cubic cm, which is approximately 314.16 cubic cm rounded to two decimal places.

The volume of the cylinder with the same radius and double the height is V' = 2π(5 cm)^2(8 cm) = 200π cubic cm, which is approximately 628.32 cubic cm rounded to two decimal place

Answer: 5

Step-by-step explanation:

  8-2b=-2

8-2b-8=-2-8

    -2b=-10

-2b/-2=-10/-2

       b=5

Answer:

HI

Step-by-step explanation:

Two equal-size vectors at right angles to each other have a resultant that is equal to \(\sqrt{2}\) times the magnitude of each individual vector.

The magnitude of the resultant vector of two equal-size vectors at right angles to each other can be determined using the Pythagorean theorem.

Let's assume the magnitude of each vector is represented by "a".

According to the Pythagorean theorem, the magnitude of the resultant vector, denoted as "R", can be calculated as:

R =\(\sqrt{a^2 + a^2}\)

R = (\(\sqrt{2a^{2} )}\)

R = \(\sqrt{2}\) a

Therefore, the magnitude of the resultant vector is equal to \(\sqrt{2}\) times the magnitude of each individual vector.

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The pitch of the roof is 0.3.

Pitch:

The pitch can be expressed numerically as a fraction. The pitch fraction represents a certain amount of vertical rise over the entire span.

Here it is given that the rise in the roof is 3.6m and a rum of 12m,

We have to find the pitch of the roof.

As is already given in the statement that the slope of a roof is called its pitch.

By this we get the slope:

Slope = 3.6/12

= 3/10

= 0.3

Therefore we get the pitch of the roof at 0.3.

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