Please help. This is getting confusing. I can mark you brainliest. Please explain it also thank you.

Answer:

Option B

Step-by-step explanation:

The number line divided in 10 parts in between 0 and 1

The 0.45 is represented by point B

Answer:

It's B miss.

Step-by-step explanation:

The statement that best explains whether or not a calculator is the most efficient way to simplify (0.68 – 0.38 – 0.2) × 2.3 is A. Multiplying the amount in the parentheses by 2.3 will be a time-consuming process, so using a calculator would most likely be more efficient.

In mathematics, multiplying means adding equal groups. The number of things in the group grows as we multiply. A multiplication problem includes the two factors and the product. In the multiplication problem 6 9 = 54, the numbers 6 and 9 are factors, and 54 is the product.

A product is the outcome of multiplication, or an expression that identifies the objects to be multiplied, known as factors.

Therefore, option A is the correct option as using the calculator is easier.

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Coordinates of the fourth vertex is (-4,7).

Given:

coordinates (5,-5),(7,-9) and (-2,-7)

From the figure:

Horizontal line vertices are (7,-9) and (-2,-7) on comparing the x coordinates the x is 9 units so the top line starting from (5,-5) should  move 9 units left that is x coordinate is x = -4.

Vertical line vertices (5,-5) and (7,-9) on comparing the y coordinates the y is 14 units so the left line starting from (-2,-7) should move 14 units top that is y coordinate is y = 7.

Therefore coordinates of the fourth vertex is (-4,7).

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Answer:

The inequality is;

34°F < t < 71°F

Step-by-step explanation:

Here, using t as the variable, we want to write an inequality

We want to write an inequality above 34 but below 71

The inequality will be;

34°F < t < 71°F

Answer:

c

Step-by-step explanation:

Answer: immy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of change in dollars he should give the customer. Which equation represents c?

20 minus 0.75 c = 9

20 minus 0.75 = 9 c

0.75 (9) + c = 20

0.75 c + 9 = 20

C / 0.75 (9) + c = 20

Step-by-step explanation:

To find your change, first you must determine how much the customer is paying. To find this, you must multiply the cost of one book by the number of books bought.

\(\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}\)

Actually Welcome to the Concept of the Straight lines.

Since there are more than one lines that can land plane safely, we take one of it,

When, X = 10 and Y = 7, so the equation we get as,

y-7 = m(x-10) + c

lets find slope, that is value of m,

y2-y1/x2-x1 = m

so, 9-7/ 7-10 = 2/-3

so, m= -2/3

so the final Equation is,

=> y-7 =(-2/3)(x-10) +c

Answer:

\(\frac{y2-y1}{x2-x1} \\\frac{-5-5}{21-9}\\ \frac{-10}{12} \\-\frac{5}{6}\)

Step-by-step explanation:

Answer:

0.5

Step-by-step explanation:

We are looking for how much height is gained per cup added.

Height per cup added can be calculated by finding the slope of the line that runs through the two given points on the graph, (3, 5.5) and (8, 8).

Formula for slope =

Let,

Answer:

We are looking for how much height is gained per cup added.

Height per cup added can be calculated by finding the slope of the line that runs through the two given points on the graph, (3, 5.5) and (8, 8).

Step-by-step explanation:

We are looking for how much height is gained per cup added.

Height per cup added can be calculated by finding the slope of the line that runs through the two given points on the graph, (3, 5.5) and (8, 8).

In probability theory, a random variable is a function that assigns a numerical value to each possible outcome of  random experiment.The random variable $X$ is a random variable, $Y$ and $c$ are numbers.

In probability theory, a random variable is a function that assigns a numerical value to each possible outcome of a random experiment. In this case, the random variable $X$ is described by a probability mass function (pmf), which specifies the probabilities of $X$ taking on different integer values. This indicates that $X$ is a random variable.

On the other hand, $Y$ is described as another integer-valued random variable, which implies that $Y$ is also a random variable. However, the question does not provide any further information about the pmf of $Y$, so we cannot determine its specific properties or characteristics.

Finally, $c$ is simply a number. It is not described as a random variable, and there is no indication that it follows any probability distribution. Therefore, $c$ is considered a constant or fixed value, rather than a random variable.

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If the rank of a matrix A is less than the number of columns (n) and the system is consistent, an infinite number of solutions exist because there are more variables than equations. The dependent variables can take on any value.

1. Rank(A): The rank of a matrix A refers to the maximum number of linearly independent rows or columns it possesses.

2. n: In this context, n represents the number of variables in a given system of linear equations.

3. Consistent System: A system of linear equations is consistent if it has at least one solution.

Now, let's put these terms together to explain the statement:

If the rank of a matrix A is less than n (the number of variables), it means that the system of linear equations has fewer linearly independent equations than variables. In such a case, there will be at least one free variable, which can take an infinite number of values.

Since the system is consistent, there is at least one solution, and due to the free variable, each of these infinitely many values will result in a different answer. Consequently, when the rank of a matrix A is less than n and the system is consistent, an infinite number of solutions exist.

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a. When x = 3 and dx = Ax = 2, the value of y (Ay) is 306.

b. When x = 3 and dx = Ax = 0.008, the value of y (Ay) is still 306. the value of dy is  0.008.

To find the values of Ay and dy, we need to substitute the given values of x and dx into the equation for y and calculate the corresponding values.

(a) When x = 3 and dx = Ax = 2:

y = 4x^4 - 6x

Substituting x = 3 into the equation:

y = 4(3)^4 - 6(3)

= 4(81) - 18

= 324 - 18

= 306

Therefore, when x = 3 and dx = Ax = 2, the value of y (Ay) is 306.

Since dx = Ax = 2, the value of dy (the change in y) is also 2.

(b) When x = 3 and dx = Ax = 0.008:

y = 4x^4 - 6x

Substituting x = 3 into the equation:

y = 4(3)^4 - 6(3)

= 4(81) - 18

= 324 - 18

= 306

Therefore, when x = 3 and dx = Ax = 0.008, the value of y (Ay) is still 306.

Since dx = Ax = 0.008, the value of dy (the change in y) is also 0.008.

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Answer:

83 deg

Step-by-step explanation:

sum of angles in triangle = 180

<1=180-(31+66)=180-97=83

Answer:

83 degrees

Step-by-step explanation:

the angles in a triangle add up to 180 degrees

Answer: Q' (7, 1)

Step-by-step explanation: You go right seven down five.

Answer:

2.49

Step-by-step explanation:

Given  X= 58

N = 175.

P = 25% = 0.25.

\(P' = \frac{X}{N} = \frac{58}{175} = 0.3314\\Z = \frac{P'-P}{\sqrt{\frac{pq}{N} } }\)

Now plugging the values we get

\(= \frac{0.3314-0.25}{\sqrt{\frac{0.25\times0.75}{175} } }\)

=2.49

5(w. 9)

hope it really helps...!!!

Answer: Adelita

Step-by-step explanation:

because if its going in order of the names by jobs then its adelita

Answer:

n-3=12+3n-11

n-3=3n+1

-3-1=3n-n

-4=2n

n=-2

Answer:

E

Step-by-step explanation:

NO

Answer:

Umm, no

Step-by-step explanation:

Answer:

No, that is definitely impossible.

Step-by-step explanation:

The only way you would be able to afford something that costs more than what you have, is by applying a coupon or getting it on sale. If you're online shopping, I recommend using something such as Honey, the extension.

The new pair of polar Coordinates for the given point is (-3, 2π + 2).

(a) Given point (1, π/2) in polar coordinates, we can find another pair of polar coordinates such that r > 0 and 2π < θ < 4π as follows:

Let us add 2π to the given θ to get a new value greater than 2π. So, θ' = π/2 + 2π = 5π/2.

Therefore, the new pair of polar coordinates for the given point is (1, 5π/2).

To find another pair of polar coordinates such that r < 0 and 0 < θ < 2π, we can use the fact that adding or subtracting any multiple of 2π from θ does not change the point represented by the polar coordinates. So, we can subtract 2π from the given θ to get a new value between 0 and 2π. Thus, θ'' = π/2 - 2π = -3π/2.

Therefore, the new pair of polar coordinates for the given point is (-1, -3π/2).

(b) Given point (-2, π/4) in polar coordinates, we can find another pair of polar coordinates such that r > 0 and 2π < θ < 4π as follows:

Let us add 2π to the given θ to get a new value greater than 2π. So, θ' = π/4 + 2π = 9π/4.

Therefore, the new pair of polar coordinates for the given point is (2, 9π/4).

To find another pair of polar coordinates such that r < 0 and -2π < θ < 0, we can subtract π from the given θ to get a new value between -π and 0. Thus, θ'' = π/4 - π = -3π/4.

Therefore, the new pair of polar coordinates for the given point is (-2, -3π/4).

(c) Given point (3,2) in polar coordinates, we can find another pair of polar coordinates such that r > 0 and 2π < θ < 4π as follows:

Let us add 2π to the given θ to get a new value greater than 2π. So, θ' = 2 + 2π = 2π + 2.

Therefore, the new pair of polar coordinates for the given point is (3, 2π + 2).

To find another pair of polar coordinates such that r < 0 and 0 < θ < 2π, we can use the fact that adding or subtracting any multiple of 2π from θ does not change the point represented by the polar coordinates. So, we can add 2π to the given θ to get a new value between 2π and 4π. Thus, θ'' = 2 + 2π = 2π + 2.

Therefore, the new pair of polar coordinates for the given point is (-3, 2π + 2).

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Answer: So required height is 124.22feets.

Step-by-step explanation:

Answer:

Below

Step-by-step explanation:

As I posted ....looks to be 147°

If the two firms do not cooperate, the payoff that North Springs and South Springs receive in the dominant-strategy equilibrium and the Nash equilibrium would depend on the specific game or scenario being played. Without more information about the specific game being played and the strategies of the two firms, it is impossible to provide a definitive answer.

However, in general, the dominant-strategy equilibrium refers to the situation where each player chooses their best strategy, regardless of what the other player does. The Nash equilibrium refers to the situation where each player chooses their best strategy given what the other player is doing. In some cases, the dominant-strategy equilibrium and the Nash equilibrium may be the same, but in other cases, they may differ.

So, in order to determine the payoff that North Springs and South Springs receive in these equilibria, more information about the game being played and the strategies of the two firms would be needed.
Based on the information given, we can analyze the payoff for both North Springs and South Springs firms in the dominant-strategy equilibrium and the Nash equilibrium.

Dominant-Strategy Equilibrium:
1. Identify each firm's dominant strategy (the best response regardless of the other firm's action).
2. Combine the dominant strategies for both firms to find the outcome.

Nash Equilibrium:
1. Identify each firm's best response given the other firm's action.
2. Find the outcome where both firms are simultaneously choosing their best responses.

Without specific numerical payoffs, I cannot provide the exact payoff amounts. However, once you have the payoff matrix, you can follow the steps mentioned above to find the payoffs for North Springs and South Springs in the dominant-strategy equilibrium and the Nash equilibrium.

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Answer:5

Step-by-step explanation:

30 chapters in 6 hours. 30/6 =5

The margin of error would be larger since a decrease in the confidence level will increase the critical value zα/2.So, as the confidence level decreases, the critical value increases and the margin of error increases as well.

If the confidence levels were 99.5% rather than 99.9%, the margin of error would be larger than the result in part.

What is the value of σ/√n for a given mean?

(a).Explanation:Given,Confidence level = 99.9% Critical value zα/2 = 2.58 Margin of error = 0.02(a)Margin of error = zα/2 * σ/√n Given margin of error is 0.02, substituting the values Margin of error = 2.58 * σ/√nNow, we need to determine the value of σ/√n for a given mean.

When margin of error will be larger?

The margin of error would be larger since a decrease in the confidence level will increase the critical value zα/2.So, as the confidence level decreases, the critical value increases and the margin of error increases as well.

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The margin of error would be smaller, since a decrease in the confidence level will decrease the critical value z a/2.

How to get the margin of error and confidence level?

We know that the confidence level is inversely proportional to the margin of error. This means that a higher confidence level results in a larger margin of error, while a lower confidence level results in a smaller margin of error.

Given that the confidence level changes from 99.9% to 99.5%, we can expect the margin of error to change as well.

To be more specific, we can use the formula for the margin of error:

where ME is the margin of error, z is the critical value, s is the sample standard deviation, and n is the sample size.

Since the sample proportion and sample size are the same as in part (a), the only factor that changes is the critical value z.

For a 99.5% confidence level, the critical value is approximately 2.807, whereas for a 99.9% confidence level, the critical value is approximately 3.291.

Since the critical value is smaller for the 99.5% confidence level, the margin of error will be smaller as well.

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The present value of an annuity due is $91704.00                            

We are to find the PV of the annuity.

Using the formula:

Present value of Annuity  = Annuity Amount × Present Value Annuity Factor i.e. PVAF (n, r)

Where , Annuity Amount = $4,000            

n = No. of periods = 7 years × 4 quarters per year = 28 periods but since the first payment is at beginning of the quarter, Then, n = 27 when considered for PVAF

r  = 6.2% / 4 quarters = 1.55%,

PVAF(n0,r) when first payment is at beginning of n i.e. n0 = 1 + { [1-(1+r)^ -n0 ]/r

= 1 + { [1-(1+0.0155)^ {-27}]/0.0155 }

= 1 + [ (1 - 0.66015 ) ] / 0.0155]

= 1 + 21.926

= 22.926

PVAF(28,1.55%) = 22.926

Thus , Present Value of Annuity = $4,000 × 22.926  = $91704.00

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Answer:

There are 20 long tables and 5 round tables y.

Step-by-step explanation:

Given:

long tables x + round tables y = total of 25 tables

8seats ·x +6seats ·y = 190 seats

Find x and y:

x+y= 25 so x= 25-y

8x+6y = 190, we substitute x for 25-y to find y

8(25-y) +6y = 190, we distribute 8 in parenthesis

200 -8y+6y = 190, combine like terms

200 -2y = 190, subtract 200 from both sides

-2y = 190-200, combine like terms

-2y = -10, divide both sides by -2

y = 5

x+y = 25, substitute y for 5

x+5 = 25, subtract 5 from both sides

x= 20

Conclusion:

There are 20 long tables and 5 round tables y.

Check :

20·8+5·6 = 160+30 = 190 seats

The following random variable meets the criteria for a hypergeometric distribution: Out of 50 adults, 10 who have a graduate degree. A sample of 20 is taken. Define x to be the number of adults in the sample with a graduate degree.

A hypergeometric distribution is a type of probability distribution that measures the likelihood of a particular number of successes (in this case, adults with a graduate degree) in a sample without replacement.

A random variable that meets the criteria for a hypergeometric distribution is that which meets these conditions: A sample of size n is taken from a population of size N. The population has k successes and N - k failures.

The hypergeometric distribution is used when sampling is done without replacement, where the sample size is small relative to the population size. The sample size is typically less than 10% of the population size. When you have the information of the population, you can use the hypergeometric distribution.

Out of the options provided, the random variable that meets the criteria for a hypergeometric distribution is, Out of 50 adults, 10 who have a graduate degree. A sample of 20 is taken. Define x to be the number of adults in the sample with a graduate degree.

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