Danielle says the answer is "A". Is she correct? If she is,why? And if she isn't,what is the correct answer?​

Answer:

digit

Step-by-step explanation:

2 + 2 = 4 the 2 is the digit and 4 is the answer

if the family gives up two nights in the hotel, they could afford d) 5 meals

The family has a budget of $800 for meals and hotel accommodations. If they could afford eight nights in a hotel without buying any meals, we can determine the cost of one night at the hotel. To do this, we can divide the total budget by the number of nights:

$800 / 8 nights = $100 per night

Now, let's consider the scenario where the family gives up two nights in the hotel. This would free up $200 from their budget ($100 per night x 2 nights). We can then use this amount to determine how many meals the family can afford by dividing the available funds by the cost of one meal:

$200 / $40 per meal = 5 meals

Therefore, if the family gives up two nights in the hotel, they could afford 5 meals. The correct answer is d. 5.

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(D) is the correct answer. The net force on a current loop in a uniform magnetic field is zero. With a homogeneous magnetization, the net force on any plane-shaped current-carrying loop is zero.

The net torque on something like a previous loop of any shape in a constant magnetic field is computed using =B = B, where B is the magnetic field strength.

Why is there no net magnetic force in a closed loop?

Assumption: Under a uniform magnetic field, the net force on a closed circular conductive loop is zero. Reason: When ever a conducting spherical ring is put in a homogeneous magnetic field such that the magnetism is parallel to the surface of the loops, the torque is produced is zero.

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The best fit for the function 5n is c. Linear.

A linear function is a function whose graph is a straight line. The general form of a linear function is f(x) = mx + b, where m is the slope and b is the y-intercept. In the given function, 5n, the slope is 5 and the y-intercept is 0. Therefore, the function is a linear function.

An exponential function is a function whose growth rate is proportional to the size of the function. The general form of an exponential function is f(x) = a*b^x, where a is a constant and b is the base. The given function, 5n, does not fit this form, so it is not an exponential function.

A polynomial function is a function that can be expressed in the form f(x) = a_n*x^n + a_(n-1)*x^(n-1) + ... + a_1*x + a_0, where a_n, a_(n-1), ..., a_1, and a_0 are constants. The given function, 5n, does not fit this form, so it is not a polynomial function.

Therefore, the correct answer is c. Linear.

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The board of directors for Procter and Gamble is concerned that only

19% of the people who use toothpaste buy Crest toothpaste. A marketing

director suggests that the company invest in a new marketing campaign

which will include advertisements and new labeling for the toothpaste.

The research department conducts product trials in test markets for one

month to determine if the market share increases with new labels.

PROCTOR and GAMBLE had only 19% of the people who use toothpaste

buy Crest toothpaste. Hence, it was worried about the market share of

the toothpaste it had been producing. The marketing director suggested

that the company invest in a new marketing campaign which will include

advertisements and new labeling for the toothpaste. The research

department conducted product trials in test markets for one month to

determine if the market share increases with new labels. This is an

effective approach because new labels attract customers easily. By

changing or improving the way that a product is labeled or packaged,

companies can influence the likelihood of a purchase by making the

product look more appealing or professional. Therefore, after changing

the labeling, the market share of Crest Toothpaste will increase.

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The answer is 13.5 gallon, using arithmetic operation

What is the arithmetic operation?

The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or more quantities. Included in them is the study of numbers, especially the order of operations, which is important for all other areas of mathematics, including algebra, data management, and geometry. The rules of arithmetic operations are required in order to answer the problem.

A family drinks 3 gallons of milk in two weeks.

in one week the family will drink is 3/2.

So in 9 week they going to drink = 3/2 * 913.5  galllons of milk.

Hence the family will drink 13.5 gallons of milk in 9 weeks.

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Answer:

a) 26

b) 26/3

Step-by-step explanation:

a) 4 and 1/3 = 13/3

13/3 x 6/1 = 13/1 x 2/1

b) 2 and 3/5 = 13/5, 3 and 1/3 = 10/3

13/5 x 10/3 = 13/1 x 2/3

√664 is the perimeter of the triangle .

What is a perimeter in math?

In this graph three points are given .

Let A = ( -9 , 3)

     B = ( 5 , 7 )

     C = ( -4 , -8 )

Distance between point AB = \(\sqrt{( 5 + 9 )^{2} + ( 7 - 3 )^{2} }\)

                                             = \(\sqrt{( 14)^{2} + ( 4)^{2} }\)

                                             = \(\sqrt{196 + 16}\)

                                              = √212

Distance between point BC = \(\sqrt{( -4 -5)^{2} + ( -8 -7 )^{2} }\)

                                               = \(\sqrt{( -9)^{2} + ( -15)^{2} }\)

                                               = \(\sqrt{ 81 + 225}\)

                                               = √306

Distance between point CA = \(\sqrt{ ( -4 + 9)^{2} + ( - 8 - 3 )^{2} }\)

                                               = \(\sqrt{(5)^{2} + ( - 11 )^{2} }\)

                                               = \(\sqrt{25 + 121}\)

                                               = √146

Perimeter of triangle = AB + BC + CA

                                  = √212 +  √306  +  √146

                                 = √664

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Completing the square – can be used to solve any quadratic equation. It is a very important method for rewriting a quadratic function in vertex form. Quadratic formula – is the method that is used most often for solving a quadratic equation.

In its most basic form, an equation is a mathematical statement that indicates that two mathematical expressions are equal. 3x + 5 = 14, for example, is an equation in which 3x + 5 and 14 are two expressions separated by a 'equal' sign. A mathematical statement made up of two expressions joined by an equal sign is known as an equation. 3x - 5 = 16 is an example of an equation. We get the value of the variable x as x = 7 after solving this equation.

Here,

Any quadratic problem may be solved by completing the square. It is a critical way for expressing a quadratic function in vertex form. The quadratic formula is the most often used method for solving a quadratic problem.

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Answer:

15 + _ = -15

15 + 15 = _

- 30 = _

- 30 is the answer.

Answer:

6 bghyjy UC Houston post Getty photo Getty hide and the new Yorker

To reduce the third-order ordinary differential equation y - y" - 4y + 4y = 0 into a companion system of linear equations, we introduce new variables u and v:

Let u = y,

v = y',

w = y".

Taking the derivatives of u, v, and w with respect to the independent variable (let's denote it as x), we have:

du/dx = y' = v,

dv/dx = y" = w,

dw/dx = y"'.

Now we can rewrite the given differential equation in terms of u, v, and w:

u - w - 4u + 4u = 0.

Simplifying the equation, we get:

-3u - w = 0.

This equation can be expressed as a system of first-order linear differential equations as follows:

du/dx = v,

dv/dx = w,

dw/dx = -3u - w.

Now we have a companion system of linear equations:

du/dx = v,

dv/dx = w,

dw/dx = -3u - w.

To solve this system completely, we need to find the solutions for u, v, and w. By solving the system of differential equations, we can obtain the solutions for u(x), v(x), and w(x), which will correspond to the solutions for y(x), y'(x), and y"(x), respectively.

The exact solutions for this system of differential equations depend on the initial conditions or boundary conditions that are given. By applying appropriate initial conditions, we can determine the specific solution to the system.

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Answer:

No solution

Step-by-step explanation:

2x + 4y = 8

-2x - 4y = 8

0 ≠ 16

Answer:

The mean size of the shoe is 7.

Step-by-step explanation:

We are given the shoe size for all the pairs of shoes in a person closet below;

X = 7, 7, 7, 7, 7, 7, 7, 7, 7, 7.

And we have to find the mean of the data.

Let X = shoe size for all the pairs of shoes

As we know that the mean of any discrete data is given by the following formula;

               Mean, \(\bar X\) = \(\frac{\text{Sum of all the observations}}{\text{Total number of observations}}\)

Here, the number of observations = 10

                              =  \(\frac{7+7+7+7+7+7+7+7+7+7}{10}\)

                              =  \(\frac{70}{10}\)  = 7

Hence, the mean size of the shoe is 7.

Association between the variables shown is a linear association.

A scatter plot is a graph that shows the association between variables. The association is linear if it can be fitted into a straight line. The equation of a straight line is given by y = mx + c.

We can see from the scatter plot that the association between the variables shown is a linear association.

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Answer:

Linear

Step-by-step explanation:

I just took the quiz

Answer:

z= -3

Step-by-step explanation:

-2z+3+7z= -12

5z+3= -12

5z= -12 -3

5z= -15

z= -3

Answer:

TRUE

Step-by-step explanation:

The probability of committing a type 1 error is called alpha (or the level of statistical significance)

Alpha is the probability of committing a type i error. The statement is True.

Alpha is also known as the level of significance. In hypothesis testing, the level of significance is used to determine the acceptance or rejection of a null hypothesis. It's calculated by dividing the critical value (the value beyond which we can reject the null hypothesis) by the standard deviation of the population. The level of significance is typically set to 0.05 or 0.01. If the p-value (the probability of getting the observed results by chance) is less than the level of significance, we reject the null hypothesis and conclude that the alternative hypothesis is true.

Therefore, it's true that alpha is the probability of committing a type I error, which occurs when we reject a null hypothesis that is actually true. A type I error is also known as a false positive. In other words, we conclude that there is a significant effect or relationship when there isn't one. The level of significance is a measure of how willing we are to make this type of error. If we set a high level of significance, we are more likely to make a type I error.

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Answer:

61,845,823

Step-by-step explanation:

had my trusty paper and pen next to me my guy aka a calculator

Answer:

Step-by-step explanation:

Radius of the inscribed circle is the apothem of the hexagon.

Apothem (a) and half of the side (s) make a 30-60-90 right triangle.

The ratio of the legs, as per property of 30-60-90 triangle:

Half the side is s = 5 units, then side of the hexagon is 10 units.

The area of the hexagon:

Correct choice is C

Answer:

8,3

Step-by-step explanation:

Answer:

The correct graph is graph B.

Answer:

x=4

Step-by-step explanation:

5x-20=0

  +20   +20

5x=20

5     5

x=4

Add 20 to both sides cancelling out the left side.

Than  you divide 5 leaving the x on one side and 20 over 5 which is 4

Factors that would make a hookup an autonomous decision include personal agency, clear communication, and consent.

An autonomous decision refers to a decision made by an individual with full personal agency and consent. In the context of hookups, this means that the decision to engage in a hookup is made willingly and independently, without any external pressure or influence.
Factors that contribute to an autonomous hookup decision include: Personal agency: The individual has a sense of control over their own choices and actions. They make the decision to engage in a hookup based on their own desires and preferences, rather than feeling obligated or pressured by others.

Clear communication: The individuals involved in the hookup have open and honest communication about their intentions, boundaries, and expectations. They are able to express their needs and desires, and actively listen to each other's preferences.Consent: Both parties involved in the hookup provide explicit and enthusiastic consent. Consent means that each person freely and willingly agrees to participate in the hookup, without any form of coercion or manipulation.When a hookup is entered into autonomously, these factors contribute to a healthier and more positive experience for the individuals involved. Autonomy allows for mutual respect, personal empowerment, and a greater likelihood of both parties enjoying the encounter.

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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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Answer:

5/1 or 5

Step-by-step explanation: You find two points that the line goes on. So in this it would be 1,1 for the first one, the second one is 2,4. Then you go from the first point up or down to get to the same level at the second point. Then you go over to the left or right to meet the second point, in this graph you will go up 5 times to get to the same level. Then over 1 time to get to the point. Then you divide the rise over the run the rise is 5 and the run is 1, so you would do 5 divided by 1 and the answer of that is 5.

Hope this helps you in the future

                                                            Smiles,  MysticCryptic (Aka) Jordan

Answer:

5

Step-by-step explanation: I am very late

The little monsters solved 15 problems in March's Math meet

Given, that in November's math meet, the little monsters of beast academy solved 1/5 of the problems.

In March's math meet, they solved 2/3 of the problems.

In total, the little monsters solved 13 of 30 problems over both math meets.

Let, the number of problems in November be n,

and  the number of problems in March be m

According to the question,

n + m = 30 as, the total problems be 30

Now, (1/5)n + (2/3)m = 13 as, they solved total 13 problems

n + m = 30 ... (1)

n/5 + 2m/3 = 13 ... (2)

On simplifying Eq (2) becomes

3n + 10m = 195 ... (2)

On multiplying Eq (1) by 3, we get

3n + 3m = 90

3n + 10m = 195

On subtracting, we get

- 7m = - 105

m = 105/7

m = 15

So, the problems asked in March's Math meet be 15.

Hence, 15 problems were asked at March's Math meet.

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Answer:

no sé eres tú

Step-by-step explanation:

Step-by-step explanation:

If Samantha has 6.75 bags of candy, and each bag contains 13.125 ounces of candy, we can find the total amount of candy she has by multiplying these two values:

6.75 bags * 13.125 ounces per bag = 88.594 ounces

Therefore, Samantha has 88.594 ounces of candy.

The area under the curve over [2,5] is 24.

Given function is f(x) = 2xIntervals [2, 5] is given and it is to be divided into subintervals.

Let us consider n subintervals. Therefore, width of each subinterval would be:

$$
\Delta x=\frac{b-a}{n}=\frac{5-2}{n}=\frac{3}{n}
$$Here, we are using right-hand end point. Therefore, the right-hand end points would be:$${ c }_{ k }=a+k\Delta x=2+k\cdot\frac{3}{n}=2+\frac{3k}{n}$$$$
\begin{aligned}
\therefore R &= \sum _{ k=1 }^{ n }{ f\left( { c }_{ k } \right) \Delta x } \\&=\sum _{ k=1 }^{ n }{ f\left( 2+\frac{3k}{n} \right) \cdot \frac{3}{n} }\\&=\sum _{ k=1 }^{ n }{ 2\cdot\left( 2+\frac{3k}{n} \right) \cdot \frac{3}{n} }\\&=\sum _{ k=1 }^{ n }{ \frac{12}{n}\cdot\left( 2+\frac{3k}{n} \right) }\\&=\sum _{ k=1 }^{ n }{ \frac{24}{n}+\frac{36k}{n^{ 2 }} }\\&=\frac{24}{n}\sum _{ k=1 }^{ n }{ 1 } +\frac{36}{n^{ 2 }}\sum _{ k=1 }^{ n }{ k } \\&= \frac{24n}{n}+\frac{36}{n^{ 2 }}\cdot\frac{n\left( n+1 \right)}{2}\\&= 24 + \frac{18\left( n+1 \right)}{n}
\end{aligned}
$$Take limit as n → ∞, so that $$
\begin{aligned}
A&=\lim _{ n\rightarrow \infty  }{ R } \\&= \lim _{ n\rightarrow \infty  }{ 24 + \frac{18\left( n+1 \right)}{n} } \\&= \boxed{24}
\end{aligned}
$$

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Given function f(x) = 2x. The interval is [2,5]. The number of subintervals, n is 3.

Therefore, the area under the curve over [2,5] is 21.

From the given data, we can see that the width of the interval is:

Δx = (5 - 2) / n

= 3/n

The endpoints of the subintervals are:

[2, 2 + Δx], [2 + Δx, 2 + 2Δx], [2 + 2Δx, 5]

Thus, the right endpoints of the subintervals are: 2 + Δx, 2 + 2Δx, 5

The formula for the Riemann sum is:

S = f(c1)Δx + f(c2)Δx + ... + f(cn)Δx

Here, we have to find a formula for the Riemann sum obtained by dividing the interval [2.5] subintervals and using the right hand endpoint for each ck. The width of each subinterval is:

Δx = (5 - 2) / n

= 3/n

Therefore,

Δx = 3/3

= 1

So, the subintervals are: [2, 3], [3, 4], [4, 5]

The right endpoints are:3, 4, 5. The formula for the Riemann sum is:

S = f(c1)Δx + f(c2)Δx + ... + f(cn)Δx

Here, Δx is 1, f(x) is 2x

∴ f(c1) = 2(3)

= 6,

f(c2) = 2(4)

= 8, and

f(c3) = 2(5)

= 10

∴ S = f(c1)Δx + f(c2)Δx + f(c3)Δx

= 6(1) + 8(1) + 10(1)

= 6 + 8 + 10

= 24

Therefore, the Riemann sum is 24.

To calculate the area under the curve over [2, 5], we take the limit of the Riemann sum as n → ∞.

∴ Area = ∫2^5f(x)dx

= ∫2^52xdx

= [x^2]2^5

= 25 - 4

= 21

Therefore, the area under the curve over [2,5] is 21.

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We have:

1 box has 6 cups

and 1 serving is 1/5 of 1 cup

Then:

Since there is 1/5 of a cup of oatmeal in a serving, this means that each of the 6cups contains 5 servings.

The total number of servings is seen to be

as there are 6 groups of 5 servings

Answer: 30