Emily is giving candy to 8 of her friends. She wants to give each friend 2/3 of a chocolate bar. How many whole chocolate bars does she need?

Answer:

G

Step-by-step explanation:

The number of total bottles sold on that day is 40

11 + 7 + 18 + 4 = 40

On Tuesday, theoretically, this is what will be sold:

22 bottles of apple juice

14 bottles of cranberry juice

36 bottles of orange juice

8 bottles of pineapple juice

We need to find out what doesn't fit the data.

F: 14 - 8 = 6, not correct answer

G: the number of cranberry juice will be 6 times the number of pineapple juice sold? It's not even twice the amount!

H: 36 + 14 = 50, not correct answer

J: 22 - 8 = 14, not correct.

From this, G is the correct answer as it is not even close to matching the data.

The data set is bimodal with modes at 4 and 14.

To determine the mode(s) and the modality of a data set, we need to identify the values that occur most frequently.

The given data set is: 4, 14, 14, 14, 4

To find the mode(s), we can count the frequency of each value:

4 appears 2 times14 appears 3 times

The mode(s) are the value(s) that appear with the highest frequency. In this case, both 4 and 14 have the same frequency of occurrence, so this data set is bimodal, with modes at 4 and 14.

Therefore, the data set is bimodal with modes at 4 and 14.

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(a) The range has a significant difference between Set A and Set B.

(b) The interquartile range is a more appropriate measure for the data of Set B, considering the presence of outliers.

For Set A:

Range = 7 - 1 = 6

Interquartile Range = Q3 - Q1 = 5 - 2 = 3

Variance = 4.67

Standard Deviation = 2.16

For Set B:

Range = 50 - 1 = 49

Interquartile Range = Q3 - Q1 = 6 - 2 = 4

Variance = 205.14

Standard Deviation = 14.33

(a) The measure of dispersion that has a significant difference between Set A and Set B is the range.

(b) The most appropriate measure of dispersion to be used to measure the distribution of the data of Set B depends on the specific characteristics of the data. However, considering the presence of outliers (such as the value 50), a robust measure like the interquartile range may be more suitable for Set B.

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The domain of the function is all real numbers, and the range is [0, 1] and [11, 21].

To find the domain and range of the function f(x) = 1 - dx² - x + 2, we can analyze its properties without graphing.

Domain:

The domain of a function consists of all the valid input values, or the values of x for which the function is defined. In this case, the only restriction we need to consider is the square root of a negative number.

In the given function, there are no square roots involved. Therefore, the function is defined for all real numbers. The domain is the set of all real numbers, which can be represented as (-∞, ∞).

Range:

The range of a function consists of all the possible output values, or the values that f(x) can take. To determine the range, we need to consider the behavior of the function as x approaches positive or negative infinity.

As x approaches positive or negative infinity, the dominant term in the function is -dx². If d is positive, as x gets larger, the term -dx² becomes more negative, approaching negative infinity. Similarly, if d is negative, as x gets larger, the term -dx² becomes more positive, approaching positive infinity.

Since the remaining terms in the function (1-x+2) are constants, they do not affect the behavior as x approaches infinity. Therefore, the range of the function depends on the value of d.

If d is positive, the range of the function is (-∞, 1+d). As x approaches negative infinity, the function approaches positive infinity, and as x approaches positive infinity, the function approaches 1+d.

If d is negative, the range of the function is (1+d, ∞). As x approaches negative infinity, the function approaches 1+d, and as x approaches positive infinity, the function approaches negative infinity.

Given that the range is [0, 1] & [11, 21], we can conclude that d is positive, and the range is [0, 1+d]. Since the range also includes [11, 21], we can infer that 1+d = 11, and solving for d gives d = 10.

Therefore, the domain of the function is (-∞, ∞), and the range is [0, 1] & [11, 21].

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Answer:

The first graph is the function of x

Given that X1, X2, ..., Xy are i.i.d according to the probability density function fx such that EX = 2. Define Y = 1 if X > 2 and Y = 0 otherwise.

Find P(Y = 1).

Given that X1, X2, ..., Xy are i.i.d according to the probability density function fx such that EX = 2. Thus the probability density function is,fx = 1/2  for x ∈ (0, 2) fx = 0  elsewhere

Therefore, P(X > 2) = ∫2∞ fx dx= ∫2∞ 0 dx= 0Now, P(Y = 1) = P(X > 2) = 0

Hence, the required probability is 0. Therefore, the correct option is (D) 0.

Likelihood is a proportion of the probability of an occasion to happen. Numerous occurrences cannot be completely predicted. Using it, we can only predict the chance of an event happening, or how likely it is to happen.

The probability of an event occurring is determined by dividing the total number of possible outcomes by the number of favorable outcomes. A coin flip is the simplest illustration. There are only two outcomes that can occur when flipping a coin; either heads or tails is the outcome.

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After considering the given data we conclude that the there are 900 possible complete dinners generated that will be satisfactory to the dedicated question.

To evaluate the number of possible complete dinners, we need to apply multiplication regarding the number of choices for each course.
The number of possible complete dinners is the product of the number of choices for the appetizer, entree, beverage, and dessert.
Its is known to us  that we have a choice of five appetizers, ten entrees, three beverages, and six desserts, the number of possible complete dinners is:
Number of possible complete dinners = number of choices for appetizer × number of choices for entree × number of choices for beverage × number of choices for dessert
Number of possible complete dinners = 5 × 10 × 3 × 6
Number of possible complete dinners = 900
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The complete question is

A restaurant menu has a price-fixed complete dinner that consists of an appetizer, an entrée, a beverage, and a dessert. You have a choice of 5 appetizers, 10 entrées, 3 beverages, and 6 desserts. Determine the total number of possible dinners.

The two triangles, Triangle DEF ~ Triangle BCA. answer that DE = 3.6, EF = 1.47 and FD = 2.8.

Given the two triangles, Triangle DEF ~ Triangle BCA. Let us understand this notation first. '~' means 'is similar to'. So, it says that Triangle DEF is similar to Triangle BCA. The meaning of similarity is that the two triangles have the same shape but different sizes,

Similarly, angles E and C, as well as angles F and A, are corresponding angles. Since corresponding angles of similar triangles are congruent, we can write:D = B, E = C and F = ABy the transitive property of equality, we can write:D = B, E = C, F = A => DE = BC, EF = AB and FD = CA (using corresponding sides of the triangles).So, the triangles DEF and BCA are similar and their corresponding sides are proportional. Therefore, we can write: DE/BC = EF/AB = FD/CA = k (some constant)If we consider DE/BC = k, we can write: DE/k = BC and DE/k + EF/k = AB and (DE + EF)/k = FDAnd, from the given information, we know that CD = 3, EA = 4 and FB = 6.

So, we can write:BC + CD = 5 (since AB = EA + FB = 4 + 6 = 10 and AB/BC = EA/CD => BC = AB * CD/EA = 10 * 3/4 = 7.5)FD + CD = 9 (since FD/CA = EF/EA => FD = EF * CA/EA = 6 * 9/4 = 13.5)So, we get the following system of equations:DE/k + EF/k = 10/k = 2.5 (from the given EF = 2.5)DE/k = 7.5 - CD = 4.5 (from the equation BC + CD = 5)EF/k = AB - DE/k = 5.5 (using the first equation)DE/k + FD/k = 13.5/k (from the equation FD + CD = 9)DE/k = CD = 3 (from the given information)FD/k = 10.5/k (using the third equation)Solving these equations, we get:k = 3.75, DE = 13.5/3.75 = 3.6, EF = 5.5/3.75 = 1.47 and FD = 10.5/3.75 = 2.8.

So,we get the answer that DE = 3.6, EF = 1.47 and FD = 2.8.

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Answer:

x=y+1,y=y

Step-by-step explanation:

Answer:

Radians

Hope that helps!

Step-by-step explanation:

R₄,₄ gives an approximation of order h⁸ when approximating ∫(a to b)f(x)dx using Romberg integration. Therefore second option is the correct answer.

When approximating the integral ∫(a to b) f(x) dx using Romberg integration, the term "R₄,₄" refers to the fourth row and fourth column of the Romberg matrix.

This specific entry represents the approximation obtained using the Romberg method with four iterations. The order of approximation is determined by the highest power of h in the error term of the approximation.

Since R₄,₄ has a subscript of 4, it indicates that the approximation is of order h⁸. This means that the error decreases at a rate of h⁸ as the step size h decreases, providing a more accurate estimation of the integral.

Therefore the correct answer is second option.

The question should be:

When approximating ∫(a to b)f(x)dx using Romberg integration, R₄,₄ gives an approximation of order:

h10  

h8

h4

h6

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Answer:

B

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Answer:

Step-by-step explanation:

0.3a = -6

Divide 0.3 from both sides

a = -20

Answer:

24

Step-by-step explanation:

72/3

Answer:

360 ft²

³

Step-by-step explanation:

The volume of the rectangular pyramid is calculated as

V = [tex]\frac{1}{3}[/tex] Ah ( A is the area of the base and h the perpendicular height )

Here A = 10 × 6 = 60 ft² and h = 6 , then

V = [tex]\frac{1}{3}[/tex] × 60 × 6 = 20 × 6 = 120 ft³

The volume of the rectangular prism is calculated as

V = 10 × 6 × 4 = 60 × 4 = 240 ft³

Total volume = 120 + 240 = 360 ft³

Answer:

Step-by-step explanation:

From Shamma's study, there are 14 people in her sample. How many people were in Shamma's sample? Shamma's sample consists of 14 people.

Explanation: We can find the answer in the given text, which is the number of people in Shamma's sample.

The sentence that holds the answer is: "We conducted a one-tailed, one-sample t-test comparing the sample mean BDI score (28.4) against a population mean of 24, t(14) = 2.25, p = 0.021." We see that the value of t is in brackets with a value of 14.

Therefore, there are 14 people in Shamma's sample. Now, let's write the null hypothesis and an alternative hypothesis.

Null Hypothesis, H0: H0: μ = 24, There is no significant difference between the sample mean BDI score and population mean. Alternative Hypothesis, Ha: Ha: μ > 24, There is a significant difference between the sample mean BDI score and population mean.

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The sample mean is greater than the population mean i.e., μ > 24.

There were 15 people in Shamma's sample.

Shamma randomly gives the Beck's Depression Inventory (BDI) to a group of her patients.

After analyzing the One Sample T-test from her study she writes:

We conducted a one-tailed, one-sample t-test comparing the sample mean BDI score (28.4) against a population mean of 24, t(14) = 2.25, p = 0.021.

The value given in the bracket is 14.

As we know that N-1 is used as the degrees of freedom, so the number of people in Shamma's sample is:

[tex]N-1 = 14N = 14 + 1 = 15[/tex]

Thus, the number of people in Shamma's sample is 15.

The null hypothesis for Shamma's study would be:

H0: The sample mean is equal to the population mean i.e., μ = 24.

The alternative hypothesis for Shamma's study would be:

HA: The sample mean is greater than the population mean i.e., μ > 24.

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Answer:

C) 88

Step-by-step explanation:

so we are given a circle, and m<ACB is 44°. We need to find the measure of arc AB

<ACB is an inscribed angle (it is inside the circle), and it intercepts the arc AB

Inscribed angle theorem is a theorem that states the measure of an inscribed angle is half of the measure of the arc it intercepts

which also means that the measure of the intercepted arc is twice the measure of the inscribed angle (this is because of how algebra works)

which means mAB=2m<ACB (inscribed angle theorem)

mAB=2*44° (substitution)

mAB=88° (algebra)

therefore, your answer is C

Hope this helps!

Answer:

Step-by-step explanation:

The interest on the loan of $35,000 at a 6% interest rate for 9 months is $1,575.

To calculate the interest on a loan, you can use the formula:

Simple Interest = Principal x Rate x Time.

In this case, the principal is $35,000, the interest rate is 6%, and the time is 9 months.

First, convert the interest rate to a decimal by dividing it by 100: 6% = 0.06. Next, calculate the interest by multiplying the principal, rate, and time: Interest = $35,000 x 0.06 x 9/12.

Simplifying the calculation, we get: Interest = $35,000 x 0.06 x 0.75 = $1,575.

Therefore, the correct answer is option B: $1,575.

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Two linearly independent eigenvectors corresponding to the eigenvalue λ = 2 are v₁ = [-1, 0, 3] and v₂ = [0, 1, 1].

Given the matrix A = [−1 1 −1], one of the eigenvalues is λ = 2. We need to find two linearly independent eigenvectors corresponding to this eigenvalue.

To find the eigenvectors, we solve the equation (A - λI)v = 0, where A is the matrix, λ is the eigenvalue, I is the identity matrix, and v is the eigenvector.

In this case, the equation becomes:

(A - 2I)v = 0

Substituting the values, we have:

[−1 1 −1] - 2[1 0 0] [x] [0]

[y] = [0]

[z] [0]

Simplifying further:

[−3 1 −1] [x] [0]

[y] = [0]

[z] [0]

This gives us the following system of equations:

-3x + y - z = 0

y = 0

z = 0

From the second equation, we get y = 0. Plugging this into the first equation, we have -3x - z = 0, which simplifies to -3x = z.

Choosing a value for z, let's set z = 3. Then, -3x = 3, and solving for x gives x = -1.

Therefore, one eigenvector corresponding to the eigenvalue λ = 2 is v₁ = [-1, 0, 3].

To find the second linearly independent eigenvector, we can choose a different value for z. Let's set z = 1.

Again, from the equation -3x + y - z = 0, we have -3x + y - 1 = 0. By choosing x = 0, we get y = 1.

Thus, another eigenvector corresponding to λ = 2 is v₂ = [0, 1, 1].

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Answer:

Answer:  5

Step-by-step explanation:

The average rate of change for the function f(x) from x=a to x=b is given by :-

The given function :  (Its a quadratic function with degree 2.)

The average rate of change for the quadratic function from x=−2 to x = 5 will be :-

 [Note (-)(-)=(+)]

Hence, the average rate of change for the quadratic function from x=−2 to x = 5 is 5 .

Step-by-step explanation:

The electron to move a distance of 1 micron is approximately 0.255 s.

The main equation describing the evolution of the probability Pm (t) of finding an electron at point m in a molecular chain  with lattice constant a = 1 nm is given by the formula: dt = -2RP.m RPm 1 RPm- 1 Assuming that R = 10-125 , calculate the diffusion constant in units of cm²/s. The diffusion constant is given by D = a²v/2t where a = 1 nm, v = RPm = 2RP and R = 10-125D = a²v/2tD = (10-9)² x 2RP / 2t = 4.2 x 10 ⁻¹⁰ RPt

Evaluate the characteristic time for an electron to travel a distance of 1 micron. Room temperature can be assumed for the electron,  T = 27°C = 300K. The diffusion constant is given by the formula D = kbT/6πηra = (1.38 x 10-23 J/K) (300K) / (6π(8.9 x 10-4) Nsm-² x 1 x 10-⁷ m)D = 1 .57 x 10-2 cm²/s Distance 1 micron = 10⁻⁴ cm So by the formula D = sqrt((2d²)/t) t = 2d²/Dt = 2 x (10⁻⁴)² / (1.57 x 10 ⁻⁵ ) = 0.255 s Therefore, the characteristic time of an electron to travel a distance of 1 micron is approximately 0.255 s.

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Answer:

2/5!

Step-by-step explanation:

Answer:

46.08

Step-by-step explanation:

the formula for finding the volume of the cone is: V = π r^2 h/3

Insert the information provided (2 because half the diameter is the radius)

and solve. Hope this helps!

The perimeter of triangle is the sum of the lengths of its three sides. In the case of a triangle with angle measures of 30°, 60°, and 90° and a hypotenuse length equal to x, we can determine the perimeter in terms of x.

Let's consider the sides of the triangle:

The side opposite the 30° angle is x/2, which can be derived using the properties of a 30-60-90 triangle.

The side opposite the 60° angle is x√3/2, which can also be derived using the properties of a 30-60-90 triangle.

The hypotenuse, which is opposite the 90° angle, has a length of x.

To find the perimeter, we add up the lengths of these three sides:

Perimeter = x/2 + x√3/2 + x

Combining like terms, we can simplify the expression:

Perimeter = (x + x√3 + 2x)/2

Perimeter = (3x + x√3)/2

Perimeter = x(3 + √3)/2

Therefore, the perimeter of the triangle in terms of x is 2x + x√3.

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Answer:

3,500

plz mark me as brainliest

Answer:

30x

Step-by-step explanation:

missing must be 2×3x×5=30x

9x²+30x+25=(3x+5)²