please hep I dont understand

Answer:

20. A. y= 10x = 15

21. C. Php 75.00

22. B. Php 195.00

Step-by-step explanation:

She has to pay 25 Pesos for one hour and only ten more each hour after that. That can be represented in the formula Y= 10x +15. To solve the rest of the questions, just substitute 6 hours for question 21 and 18 hours for question 22.

Yes, The equation has two valid solutions.The value of Fiona’s engagement ring from Prince Harry may be more than $3 million,

but this information does not directly relate to the concept of equations with more than one solution.

an equation with an equal sign can have more than one solution. This happens when there are different values that can satisfy the equation, making them all valid solutions.

These types of equations are known as conditional equations. When solving a conditional equation, it is important to take into account any restrictions that may apply to the domain of the variable.

This helps to avoid extraneous solutions that may not work for the equation.For example, consider the equation x² - 9 = 0. This equation can be solved by taking the square root of both sides of the equation, which gives x = ±3.

This means that there are two solutions to the equation, x = 3 and x = -3. Both values can be substituted back into the equation and will satisfy it.

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Answer: 20.48

Step-by-step explanation: you add 5.12 four time then you get 20.48.

Answer:

The formula for solving surface area is LxWxH (LengthxWidthxHeight)

And the formula for solving area is LxW (LenghtxWidth)

Step-by-step explanation:

I hope this helps. I didnt really see any pictures for this.

Answer: 1. 60 square centimeters and the volume was 24 cm3

2. Yes, because if you have length, width and height, that's really all the information you need to find out the area, volume, perimeter, surface area, ect!

Step-by-step explanation: Hope this helps! :)

(I had the same question btw)

The number of calories that Darrell will burn in 1 minute while kayaking is given as follows:

4 calories.

The number of calories that Darrell will burn in 1 minute while kayaking is obtained applying the proportions in the context of the problem.

For each input-output pair in the table, the constant of proportionality is of 4, hence the number of calories that Darrell will burn in 1 minute while kayaking is given as follows:

4 calories.

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The probability that the sample proportion is at least 0.60 is 0.0294.

Given data,

In a local university, 70% of the students live in dormitories. A random sample of 75 students is selected for a particular study The probability that the sample proportion (the proportion living in the dormitories) is at least 0.60 is,

The sample size in this case,

n = 75

The proportion of students living in dormitories p,

⇒ 70% = 0.7

Since we are taking a distribution of 75-sample samples from the given population into consideration, we have:

The mean, p = 0.7

The standard deviation, s = √p * (1 − p)/n

                                           = √0.7 * (1 − 0.7)/75

                                           = 0.0529

Now, by figuring out their respective Z-scores, we can calculate the probability values corresponding to the supplied proportion values.

The Z-score for a proportion value of 0.60;

Z₀.₆₀ = (0.6 - p)/s

        = (0.6 - 0.7)/0.0529

        = -1.890

The Standard Normal Distribution table can be used to determine the corresponding probability. Consequently, the overall likelihood value for,

Z₀.₆₀ = -1.890

P-value from Z-Table,

P(x < 0.6) = 0.029355 = 0.0294

Hence, there is a 0.0294 percent chance that the sample proportion is at least 0.60.

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The statement that "a surface generated by a closed plane curve rotated about a line that lies in the same plane as the curve but does not intersect" is true.

The surface generated by a closed plane curve rotated about a line that lies in the same plane as the curve but does not intersect it is called a torus. The torus is a three-dimensional surface that can be thought of as a doughnut shape. The curve that generates the torus is called the generator, and the line about which the curve is rotated is called the axis of rotation. The torus has the interesting property that it has a hole in the center, and the distance from any point on the surface to the center of the torus is constant.

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Answer:

15 +51 = 66 meters total

66 /2 = 33 seconds  

and that is your answer

One product/service that is currently in the decline stage is DVD rentals. The decline can be attributed to the rapid rise of digital streaming platforms and the decreasing popularity of physical media. Companies competing in a declining market have strategic options such as harvesting and divesting. Harvesting involves maximizing profits from the declining product/service by reducing costs and maintaining a loyal customer base, while divesting involves exiting the market and reallocating resources to more profitable ventures.

DVD rentals are in the decline stage of the product lifecycle due to several factors. The advent of digital streaming platforms like Netflix, Hulu, and Amazon Prime Video has revolutionized the way people consume media. The convenience and vast content libraries offered by these platforms have led to a significant decline in DVD rentals. Moreover, the proliferation of high-speed internet connections and the increasing availability of streaming devices have made it easier for consumers to access digital content.

In a declining market, companies have strategic options to consider. One option is harvesting, which involves maximizing profits from the declining product/service. Companies can achieve this by reducing costs associated with production, distribution, and marketing, as the demand for the product/service diminishes. They may also focus on retaining their loyal customer base by providing incentives, discounts, or exclusive offers. For example, DVD rental companies may lower rental fees, offer bundle deals, or introduce loyalty programs to retain their remaining customers.

Another strategic option is divesting, which involves exiting the declining market altogether. Companies may choose to reallocate their resources to more profitable ventures or invest in emerging technologies or industries. In the case of DVD rentals, companies could divest by shutting down physical rental stores and selling off their DVD inventory. They could then shift their focus to digital streaming services or invest in other areas with growth potential, such as content production or streaming device manufacturing.

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Answer:

X

=

27

Step-by-step explanation:

Answer:

In scientific notation itll be 1.5288e+14

Step-by-step explanation:

Multiply light year equation times how many light years vega is from earth (26)

(a) The position when the particle changes direction is approximately 2.449 meters.

(b) The velocity when the particle returns to the position it had at t = 0 is 2.5 m/s (positive direction).

(a) Determine the position when the particle changes direction:

The expression for position (x) as a function of time (t) is:

x = x₀ + v₀t + (1/2)at²

Plugging in the values:

x = 2.1 + 2.5t - 3.5t²

To find when the particle changes direction, we need to find the time (t) when its velocity (v) becomes zero. The velocity equation is the derivative of the position equation with respect to time.

v = dx/dt = d/dt(2.1 + 2.5t - 3.5t²)

Differentiating the equation, we get:

v = 2.5 - 7t

Setting v = 0, we can solve for t:

2.5 - 7t = 0

7t = 2.5

t = 2.5/7

t ≈ 0.357 seconds

Substituting this time back into the position equation, we can find the position when the particle changes direction:

x = 2.1 + 2.5(0.357) - 3.5(0.357)²

Calculating the value, we find:

x ≈ 2.449 meters

Therefore, the position when the particle changes direction is approximately 2.449 meters.

(b) Determine the velocity when it returns to the position it had at t = 0:

We can use the equation for velocity as a function of time to find the velocity when the particle returns to its initial position.

v = v₀ + at

Plugging in the values:

v = 2.5 + (-2 × 3.5)(t)

At t = 0, the particle is at its initial position, so we substitute t = 0:

v = 2.5 + (-2 × 3.5)(0)

v = 2.5 m/s

The velocity is positive (2.5 m/s) since the particle is moving in the positive x-direction when it returns to its initial position.

Therefore, the velocity when the particle returns to the position it had at t = 0 is 2.5 m/s (positive direction).

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The probability that this is the urn with 6 red balls if the ball turns out to be red = 0.5188

In this question we have been given two identical urns contain balls.

One of the urns has 6 red balls and 3 blue balls. the other urn has 5 red balls and 8 blue balls.

An urn is chosen at random and a ball is drawn at random from this urn.

We need to  the probability that this is the urn with 6 red balls if the ball turns out to be red.

P(Urn 1) = 1/2 ,

P(urn 2) = 1/2

P(red ball from urn 1) = 6/9

                                  = 2/3

P(red ball from urn 2 ) = 5/13

Using conditional probability,

P(Urn 1 | red ball) = P( Urn 1 and red ball) / P(red ball)

By Baye's theorem

P(Urn 1 | red ball)

= P( Urn 1 and red ball) / [  P( Urn 1 and red ball) +  P( Urn 2 and red ball) ]

= (1/2 * 6/11) / [(1/2 * 2/3) + (1/2 * 5/13)]

= (6/22) / (1/3 + 5/26)

= 0.2727 / 0.5256

= 0.5188

Therefore, the required probability is 0.5188

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Answer:

60-32

Step-by-step explanation:

i had the same thing

Answer:

5

Step-by-step explanation:

\(3f - {g}^{2} \\ = 3 \times 3 - ( { - 2})^{2} \\ = 9 - 4 \\ = 5\)

What are you asking? Is there a unit of measurement/weight for the grape and giraffe?

The value of the gift card declined by $37.40.

The total cost of all the items purchased has to be determined.

The sum of these items is $37.40

Change in value = value of the gift card - cost of items

$50 - $37.40 = $12.60

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Answer:

Total cost of pens = $1.57 x 1 = $1.57

Total cost of pencils = $1.98 x 2 = $3.96

Total cost of folders = $0.75 x 6 = $4.50

Total cost of highlighter: $3.45 x 1 = $3.45

Total cost of notebooks: $2.95 x 5 = $14.75

Total cost of binders: $3.55 x 2 = $7.10

Total cost of paper: $0.69 x 3 = $2.07

The sum of these items is $37.40

Change in value = value of the gift card - cost of items

$50 - $37.40 = $12.60

Step-by-step explanation:

The number of outcomes where team A wins 2 games, loses 3 games, and ties 2 games is 210.

In problem 1, there are three possible outcomes for each game: win, loose, or tie.

So, for seven games, there are 3x3x3x3x3x3x3 = 2187 different outcomes.

For problem 2, we need to calculate the number of ways that team A can win two games, lose three games, and tie two games.

To do this, we can use the binomial coefficient formula, which is (n choose k) = n!/(k!(n-k)!).

In this case, n=7 (the total number of games), k=2 (the number of games that team A wins), and m=2 (the number of games that team A ties).

So the number of outcomes where team A wins 2 games, loses 3 games, and ties 2 games is (7 choose 2)(5 choose 3)(2 choose 2) = 210.

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(4, 65/13) is the solution to the given system of equation

Given the simultaneous equation below
8a + 12b = 92

6a – 4b = 4

This can be further simplified to have:

2a + 3b = 23 ............. 1

3a – 2b = 2 ............... 2

Multiply equation 1 by 3 and 2 by 2 to have:

6a + 9b = 69

6a - 4b = 4

Subtract both equations

9b + 4b = 69 - 4

13b = 65

b = 65/13

Substitute b = 65/13 into equation 2 to have:

3a – 2b = 2 .

3a – 2(65/13) = 2

3a - 10 = 2

3a = 12

a = 4

Hence the solution to the given equation is (4, 65/13)

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Complete question

Solve the simultaneous equation

8a + 12b = 92

6a – 4b = 4

Answer:

Is 50

Step-by-step explanation:

I don’t know

Answer:

It’s neither

Step-by-step explanation:

4(x+2) = 4x +8 and neither Jason nor Isabella got it

100 - 41 = 59

so 100 - 59 = 41

Answer 59

The number you need to subtract from 100 to get 41 is 59

To find the number you need to subtract from 100 to get 41, you can use the subtraction formula:

Subtraction = Initial number - Result

Given:

Initial number = 100

Result = 41

Subtraction = 100 - 41

Subtraction = 59

So, you need to subtract 59 from 100 to get 41.

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Answer:

Sixth day

Step-by-step explanation:

Keep adding 2 until you get to 13

Answer: A monomial representation is a way to express a polynomial as a product of powers of its variables, where each power is a non-negative integer. For example, the polynomial 2x^3 + 4x^2 - 6x + 8 can be represented as a monomial representation of (2x^3)(x^2)(-6x)(8).

Symmetric polynomials are polynomials that are invariant under permutation of their variables. A symmetric presentation is a way of expressing a symmetric polynomial as a sum of elementary symmetric polynomials, which are defined as the sum of all possible products of variables taken i at a time, where i ranges from 1 to the number of variables. For example, the symmetric polynomial x^3 + y^3 + z^3 can be expressed as a symmetric presentation of x + y + z.

Step-by-step explanation:

Answer:

17.5

Step-by-step explanation:

If  n(E1 and E2) = 3 and n(E1) = 12, then  P(E2|E1) = 1/4. To find the probability P(E2|E1), given that n(E1 and E2) = 3 and n(E1) = 12, we'll use the conditional probability formula. The formula is P(E2|E1) = P(E1 and E2) / P(E1).

Step 1: Find the probabilities of the events.
P(E1) = n(E1) / total outcomes = 12 / total outcomes
P(E1 and E2) = n(E1 and E2) / total outcomes = 3 / total outcomes
Step 2: Plug the probabilities into the conditional probability formula.
P(E2|E1) = P(E1 and E2) / P(E1)

Step 3: Substitute the values from Step 1 into the formula.
P(E2|E1) = (3 / total outcomes) / (12 / total outcomes)
Step 4: Simplify the expression.
P(E2|E1) = 3/12
Step 5: Reduce the fraction to the simplest form.
P(E2|E1) = 1/4
So, the probability of event E2 occurring given that event E1 has occurred is 1/4 or 0.25.

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