The turtle travels 19 inches in one hour. At that rate, how far can the turtle go in 39 hours?

There are a total of 20 students in the class (20 dots)

Statement 1 : Exactly 50% of the students scored 80 or higher.

If we count from 80 towards 100, we see that 14 students scored 80 or higher (not 50%) - false.

Statement 2 : More than 30% of the students failed the quiz with a score of less than 70.

There are 5 students who scored a 65 or below, which is 25% of the students (not 30%) - false

Statement 3 : Fewer than 12% of the students scored a 100.

There are 3 students who scored a 100 (15%, more than 12%) - false

Statement 4 : Exactly 75% of the class passed the quiz with a score of 70 or higher

There are 15 students who scored a 70 or more (75%) - true

So, the answer is the 4th option.

Answer:

last one

Step-by-step explanation:

20 dots in total, use as base

9 dots 80 or above, 9/20 does not equal 1/2

5 dots 65 or below, 5/20=1/4<1/3

3 dots on 100, 3/20=15/100>12/100

15 dots 70 or above, 15/20=3/4 true

Answer:

66.67%

Step-by-step explanation:

Answer:

its 66.67%

Step-by-step explanation:

Answer:

A) 7x^5 + 2x^2 + 6

Step-by-step explanation:

I hope this helps.

Answer:

The answer is A

The hypotheses for the test are H₀: σ₁² = σ₂² and H₁: σ₁² ≠ σ₂². This is a two-tailed test to assess if there is a difference in the standard deviations of sound levels between the areas designated as "casualty doors" and operating theaters. The claim being investigated is whether or not there is a difference in the standard deviations.

The hypotheses for the test are:

H₀: σ₁² = σ₂² (There is no difference in the standard deviations of the sound levels between the areas designated as "casualty doors" and operating theaters.)

H₁: σ₁² ≠ σ₂² (There is a difference in the standard deviations of the sound levels between the areas designated as "casualty doors" and operating theaters.)

This hypothesis test is a two-tailed test because the alternative hypothesis is not specifying a direction of difference.

To substantiate the claim that there is a difference in the standard deviations, we will conduct a two-sample F-test at a significance level of 0.10, comparing the variances of the two groups.

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The general solution to the differential equation is y = -1/(3x³ + C)

Where C is an arbitrary constant.

The concept used to solve this differential equation is the separation of variables. Separated the variables on either side of the equation and then integrated both sides to get the general solution with a constant of integration.

Note that, the solution is valid only for y ≠ 0 as the differential equation is undefined for y = 0.

Here we have  

dy/dx = 9x²y²

Solve the differential equation using the separation of variables.

=> dy/dx = 9x² y²

Let's separate the variables by dividing both sides by y² and dx:

=> 1/(y²) dy = 9x² dx

Now we can integrate both sides:

=> ∫1/(y²) dy = ∫9x² dx

Using the power rule of integration, we get:

=> -1/y = 3x³ + C

Where C is the constant of integration.

To solve for y, we can multiply both sides by -1:

=> y = -1/(3x³ + C)

Therefore,

The general solution to the differential equation is y = -1/(3x³ + C)

Where C is an arbitrary constant.

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The function f(x) = x² - 1/x + 1, with domain [0, ∞), does not have an absolute maximum on its domain, but this does not contradict the extreme value theorem.

The extreme value theorem states that if a real-valued function f is continuous on a closed interval [a, b], then f must have both an absolute maximum and an absolute minimum on that interval.

However, the theorem does not apply to functions that have an open interval as their domain, such as f(x) = x² - 1/x + 1 with a domain of [0, ∞).

In this case, f(x) approaches infinity as x approaches 0, but it does not have a maximum value within the given domain. The lack of an absolute maximum for f(x) on [0, ∞) is consistent with the behavior of the function, and it does not violate the extreme value theorem since the domain is not a closed interval.

Therefore, the function f(x) = x² - 1/x + 1, defined on [0, ∞), lacks an absolute maximum, but this does not violate the extreme value theorem.

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Answer:

The x-intercept is where a line crosses the x-axis, and the y-intercept is the point where the line crosses the y-axis.

The statement that best proves that <XWY ≅ <ZYW is that two parallel lines are cut by a transversal, then the alternate interior angles are congruent

To determine the correct statement, we need to know the properties of a parallelogram.

These properties includes;

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The lowest point on the graph occurs at point (3π/2,  -1)

One of the three fundamental functions in trigonometry, along with cosine and tan functions, is the sine function.

The ratio of the opposite side of a right triangle to its hypotenuse is known as the sine x or sine theta.

The sine function graph is sinusoidal in nature. This is a sim=ne wave that have smooth periodic oscillation

The attached graph shows sine function graph plotted with the interval [0, 2pi]

The lowest point is observed to occur at  (3π/2,  -1)

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Answer:

57

Step-by-step explanation:

An angle formed by a tangent and secant is equal to half the difference of its intercepted arcs. ( major arc minus minor arc to be more specific. )

∠B is the angle formed by a tangent and secant

Arc CA is its intercepted arc ( minor arc to be more specific )

Arc DA is also its intercepted arc ( major arc to be more specific )

Hence, ∠B = \(\frac{1}{2}\) ( Arc DA - Arc CA )

If arc CA = 51 and Arc DA = 165

Then ∠B =

\(\frac{1}{2} (165-51)\\165 - 51=114\\\frac{1}{2} (114)=57\)

Hence, ∠B = 57

The haircolor recording of shoppers at the mall describes an observational study.

This study falls under the category of an observational study. In an observational study, researchers do not manipulate or intervene in the natural setting or behavior of the subjects. Instead, they observe and record existing characteristics, behaviors, or conditions. In this case, the researchers simply recorded the hair color of shoppers at the mall without any manipulation or intervention.

Observational studies are often conducted to gather information about a particular phenomenon or to explore potential relationships between variables. They are useful when it is not possible or ethical to conduct an experiment, or when the researchers are interested in observing naturally occurring behaviors or characteristics. In this study, the researchers were likely interested in examining the distribution or prevalence of different hair colors among shoppers at the mall.

However, it's important to note that observational studies have limitations. They can only establish correlations or associations between variables, but cannot determine causality. In this case, the study can provide information about the hair color distribution among mall shoppers, but it cannot establish whether there is a causal relationship between visiting the mall and hair color.

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Answer:

Step-by-step explanation:

25, i think

Answer:

F type connector

Step-by-step explanation:

Use an F-type connector for broadband cable connections that use coaxial cable.

The F connector is a coaxial RF connector commonly used for "over the air" terrestrial television, cable television and universally for satellite television and cable modems,

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In this code, we initialize a variable `count` to keep track of the number of blank spaces. Then, we iterate through each character in the string using a `for` loop. Inside the loop, we check if the current character `char` is equal to a blank space, which is represented by `" "` in Python. If it is, we increment the `count` by 1.

To determine the number of blank spaces in a string called "wow," you need to iterate through each character in the string and count the occurrences of blank spaces.

Here's an example of how you can do this in Python:

```python

string = "wow"

count = 0

for char in string:

   if char == " ":

       count += 1

print("Number of blank spaces:", count)

```

In this code, we initialize a variable `count` to keep track of the number of blank spaces. Then, we iterate through each character in the string using a `for` loop. Inside the loop, we check if the current character `char` is equal to a blank space, which is represented by `" "` in Python. If it is, we increment the `count` by 1.

Finally, we print the value of `count`, which represents the number of blank spaces in the string "wow".

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The indefinite integral of e^x/(e^x + 1)^13 with respect to x is -1/12(e^-x/(e^x + 1)^12) + C.

To evaluate the indefinite integral, we can use the substitution u = e^x + 1. Then du/dx = e^x, and dx = du/e^x.

Substituting these into the integral, we have:

∫ e^x/(e^x + 1)^13 dx = ∫ 1/(u^13 - u^12) du/e^x

= ∫ 1/u^12(1 - 1/u) du/e^x

= ∫ (u^-12 - u^-13) du/e^x

Integrating each term separately, we get:

∫ u^-12/e^x du - ∫ u^-13/e^x du

= (-1/11)(e^-x/u^11) - (-1/12)(e^-x/u^12) + C

Substituting back for u, we get:

-1/12(e^-x/(e^x + 1)^12) + C, as the final answer.

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An example of a geometric formula that contains pi(π) is the formula for the circumference of a circle, which is

C = 2πr. This formula is used to calculate the distance around a circle.

A geometric formula is a mathematical equation that describes a relationship between geometric figures or their properties.

Geometric formulas are used to calculate the area, perimeter, volume, surface area, and other properties of shapes such as circles, triangles, rectangles, spheres, cubes, and cylinders. For example, the formula for the area of a triangle is

A = 1/2 b×h, where b is the base of the triangle and h is its height.

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answer:

B. 2:6 is equal to 1:3

2 and 6 are both even so you can split both of them in half and you would get 1 and 3

Answer:

option A 3

Step-by-step explanation:

2 : 6

2/6

1/3 therefore, 3 is the quotient

Answer:

Step-by-step explanation:

Given

Multiply all terms by -3

Add 12x to both sides

The probability that a randomly chosen buyer is an adult or purchased a clock scented like cotton candy is 1, which is equivalent to 100%.

To find the probability that a randomly chosen buyer is an adult or purchased a clock scented like cotton candy, we can use the concept of probability union.

Let A be the event that a buyer is an adult and C be the event that a buyer purchased a clock scented like cotton candy.

We are given:

P(A) = 0.9 (probability that a buyer is an adult)

P(C) = 0.9 (probability that a buyer purchased a clock scented like cotton candy)

P(A and C) = 0.8 (probability that a buyer is an adult and purchased a clock scented like cotton candy)

The probability of the union of two events A and C is given by:

P(A or C) = P(A) + P(C) - P(A and C)

Substituting the given values:

P(A or C) = 0.9 + 0.9 - 0.8

P(A or C) = 1.8 - 0.8

P(A or C) = 1

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The mass of the rod is 140 grams. If lim f(x) = lim g(x) = L, then lim [f(x) - g(x)] = lim f(x) - lim g(x) = L - L = 0. The correct option is (i) equal 0.

To find the mass of the rod, we can integrate the linear density function over the length of the rod:

m = ∫0^100 (7/√x) dx

Using the power rule of integration, we can simplify this expression:

m = 14[√x]0^100

m = 14(10 - 0)

m = 140 grams

Therefore, the mass of the rod is 140 grams.

As for the multiple-choice question, if lim f(x) = lim g(x) = L, then we can use the limit laws to evaluate the limit of their difference:

lim [f(x) - g(x)] = lim f(x) - lim g(x) = L - L = 0

So the answer is (i) equal 0.

This result holds true for any two functions with the same limit as x approaches a particular value or infinity. The limit of their difference will always be equal to the difference of their limits, which is zero in this case. Therefore, the answer is not dependent on the specific functions f and g.

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The correct option to represent the sample data is: option (A) . Since the data is categorical and discrete, a bar graph is the most appropriate way to display the data

A bar graph, also known as a bar chart, is a graphical representation of data in which the data is presented using rectangular bars. The length or height of each bar is proportional to the value that it represents.

The correct answer is: bar graph with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled baseball going to a value of 17, the second bar labeled basketball going to a value of 12, the third bar labeled tennis going to a value of 27, and the fourth bar labeled soccer going to a value of 44.

Since the data is categorical and discrete, a bar graph is the most appropriate way to display the data. The bars should be labeled with the sports and their corresponding heights should be the number of students who chose that sport.

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The algorithm described is the Insertion Sort Algorithm.

The given algorithm is the Insertion Sort Algorithm. It is used to sort an array of elements in ascending order.

The algorithm iterates through the array from index 2 to n, where n represents the size of the array.

At each iteration, it selects the element at the current index (x) and compares it with the previous elements in a backward manner.

If the element at the previous index (A[j]) is greater than x, it shifts that element to the right (A[j+1] = A[j]) until it finds the correct position for x.

This shifting process continues until either j becomes 0 or the element at A[j] is not greater than x.

x is placed at the correct position in the sorted portion of the array (A[j+1] = x).

The algorithm continues this process until all elements are sorted.

This approach resembles the way we sort playing cards in our hands, hence the name "Insertion Sort."

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The commission of the agent is 196000

From the question, we have the following parameters that can be used in our computation:

Commission percentage = 7%

Earnings = 2.8 million

Using the above as a guide, we have the following:

Commission = 7% * Earnings

Substitute the known values in the above equation, so, we have the following representation

Commission = 7% * 2.8 million

Evaluate

Commission = 196000

Hence, the commission is $196000

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Answer:

C. The domain is greater than -3 and less than 7.

Step-by-step explanation:

Just like the other one

x is domain

< = less than

≤ = less than or equal to

Answer:

c

Step-by-step explanation:

should b. cause most true usagw 'the domain'

good luck

An "unbiased-statistic" is preferred over "biased-statistic" for estimating population because it provides more accurate estimate of true population parameter.

A "biased-statistic" systematically overestimates or underestimates the population parameter, which leads to incorrect conclusions about the population. Biases can arise in many ways, such as through sampling methods or measurement errors.

Whereas, an "unbiased-statistic" is not systematically too high or too low, but rather it is an estimate that is equal on average to the true population parameter.

The "Unbiased-estimates" have a smaller "sampling-error" and are more accurate and more reliable for making inferences about the population.

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To construct a 4x2 matrix D such that AD=I2, we can use the following matrix: D = [0 0 1 0; 0 0 0 1]. It is not possible for CA to be equal to 4 or 14 for any 4x2 matrix C.

Constructing a matrix D such that AD=I2

Let A = -1 be a 1x1 matrix. We want to construct a 4x2 matrix D such that their product AD is equal to the 2x2 identity matrix I2. We can use the following matrix for D:

D = [0 0 1 0; 0 0 0 1; 1 0 0 0; 0 1 0 0]

To verify that AD=I2, we can compute the matrix product:

AD = [-1 0 0 0; 0 -1 0 0] [0 0 1 0; 0 0 0 1; 1 0 0 0; 0 1 0 0]

= [0 0 -1 0; 0 0 0 -1]

= -I2

Note that D only uses 1 and 0 as entries.

Now, it is not possible for CA to be equal to 4 or 14 for any 4x2 matrix C. To see why, we can use the definition of matrix multiplication. Let C be a general 4x2 matrix:

C = [c11 c12; c21 c22; c31 c32; c41 c42]

Then, we can compute CA as:

CA = [-1 0; 0 -1] [c11 c12; c21 c22; c31 c32; c41 c42]

= [-c11 -c12; -c21 -c22; -c31 -c32; -c41 -c42]

Since CA is a 4x2 matrix and 4 is a scalar, it is not possible for CA to be equal to 4. Similarly, since the entries of C are only 0 or 1, it is not possible for CA to be equal to 14.

Therefore, there is no matrix C that satisfies the equations CA=4 or CA=14.

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Answer:

hmm l d k

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A) x = 0

B) x = 1 or 0

Part A; (7²)ˣ = 1

From Laws of indices, we know that any number raised to the power of 0 equals 1.

Thus; 7⁰ = 1

We now have;

(7²)ˣ = 7⁰

Opening the bracket, 2 will multiply x to give;

= 7⁰

Both powers will be equal because their base numbers are equal.

Thus; 2x = 0

x = 0

Part B;

= 1

Like in Part A, 7⁰ = 1

Thus;

1ˣ = 1⁰

Equating both powers; x = 0

Again, x could also be gotten from;

1ˣ = 1¹

x = 1

This is because 1¹ is still equal to 1.

x = 1 or 0