Me ayudan porfavor no entendí

Answer:

no because 1 x value cannot have 2 y values , i hope the helps

Choose C.

Hey there!

The 6 in the number 67 is in the place of 'tens'. So, the value of 6 in 67 is :- 6 × 10 = 60.

Hope it helps ya!

The simple interest for principal of 640 and rate of 3% and time of 2 years is $3.84

The Simple interest the end of 2 years is calculated using the simple interest formula

The formula is stated as

Simple interest = Principal *  time *  rate / 100

In the problem the give data include

principal = $640

rate= 3%

time = 2 years

plugging in the values

Simple interest = Principal *  time *  rate / 100

Simple interest = 640 * 2 * 3 /100

Simple interest = 3840 / 100

Simple interest = $3.84

The simple interest  is $3.84

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The length of 2 sides and an angle between them is given A = ½ × b × c × sin(α) If two angles and the length between them is given A = For an isosceles right triangle A = ½ × a.

If the height (i.e. the altitude) and base of an isosceles triangle are known, the area can be easily calculated. The area of the isosceles triangle is calculated by multiplying the height by the base and dividing by two. As a result, an isosceles triangle has two equal sides and two equal angles. The name is derived from the Greek words iso (same) and skelos (skull) (leg). An equilateral triangle has all of its sides equal, whereas a scalene triangle has none of its sides equal.

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The answer to this Question based on website is

What is website?

It is form of storage of information in well ordered way

Solution:

As we know she earns 0.75$ per set she sells in her website

and she sold 8 sets

hence total money he could earned = 8*0.75 = $6

but she made only = 2.25$ because remaining money she paid as website fee which was 6 - 2.25 = 3.75$

hence each week she has to pay 3.75$ as website fee so we can calculate his profit equation as follows

profit = 0.75x - n/7(3.75)

where x is no of sets sold on website and n is number of weeks in which these sets were sold

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The οrdered pair which represents a functiοn is: {(-40,0) , (20,-30) , (60,-50)}

A functiοn in mathematics frοm a set X tο a set Y allοcates exactly οne element οf Y tο each element οf X. The characteristic that every input is assοciated tο exactly οne οutput defines a functiοn as a relatiοnship between a set οf inputs and a set οf allοwable οutputs.

The cοllectiοn οf all the values that the functiοn may input while it is defined is knοwn as the dοmain. The entire set οf values that the functiοn's οutput can prοduce is referred tο as the range. The set οf values that cοuld be a functiοn's οutputs is knοwn as the cο-dοmain.

Let us lοοk intο each οrdered pairs.

1) {(-20,30) , (-40,0) , (-40,50)}

Here the x values are input and y values are οuptul.

Fοr each input there shοuld be οnly οne οutput.

But here -40 has twο οutputs.

Sο this is nοt a functiοn.

2) {(-30,0) , (-30,20) , (-30,50)}

Thsi is alsο nοt a functiοn, because -30 has three οutput values.

3) {(-40,0) , (20,-30) , (60,-50)}

This a functiοn because there is οnly οne οuput fοr each input.

4) {(-50,0) , (20,-30) , (-50,60)}

Thsi is alsο nοt a functiοn, because -50 has twο οutput values.

Therefοre the οrdered pair which represents a functiοn is:

{(-40,0) , (20,-30) , (60,-50)}

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Based on the limited information provided, it is not possible to definitively determine the type of economy in Country A. More specific details and factors would be necessary to make a conclusive determination.

A thin, uniformly charged disk can be represented as a collection of concentric charged rings with varying radii. Each ring has a uniform charge density and the total charge of the disk is distributed evenly across all the rings.

The electric field at a point on the axial line of the disk can be calculated using the formula E = k * Q / r^2, where k is Coulomb's constant, Q is the total charge on the disk, and r is the distance from the center of the disk to the point where the electric field is being calculated.

The electric field at a point outside the disk will be equal to the sum of the electric fields produced by each ring at that point.

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The true statement is "the line that can be drawn through points D and E is contained in plane Y".

option B is the correct answer

The points x and y and points C,D,E and f are shown in the figure, the true statement is determined as follows;

We know that, if two points lie in a plane, then the line drawn through the points will contained in the same plane.

The points C lies outside the plane Y and the point D lies on the plane Y, so the line drawn through the points C and D will not contained in plane Y.

So, option (A) is NOT correct.

The points D and E, both lie in the plane Y, so the line drawn through the points D and E will also contained in plane Y.

So, option (B) is CORRECT.

Since the plane X contain infinitely many points, so F is not the only point that can lie in plane X.

So, option (C) is NOT correct.

Similarly, there are infinitely many points in the plane Y, so the points D and E are not the only points that can lie in plane Y.

So, option (D) is NOT correct.  

Thus, the correct option is;

The line that can be drawn through points D and E is contained in plane Y.

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The complete question is below:

Points x and y and points C,D,E and f are shown what is true about points

(A) The line that can be drawn through points C and D is contained in plane Y.

(B) The line that can be drawn through points D and E is contained in plane Y.

(C) The only point that can lie in plane X is point F.

(D) The only points that can lie in plane Y are points D and E

We have that the maximum is the largest value the function takes vertically (for y)

The minimum is the smallest value the function takes.

In this case:

It reaches its maximum when x = 0 at y = 18

It reaches its minimum when x = 4 at y = 0.

Then

Max: x = 0

Min: x = 4

We have that the axis of symmetry is the line that cuts the parabola into equal halves. The vertex is the point where the line is cut:

In this line the axis of symmetry (AOS) is located on x = 2

The vertex is the point (x, y) = (2, 18)

Vertex = (2, 8)

AOS: x = 2

y- intercept:

The y axis is always intercepted when x = 0.

Here, the point where x = 0 shows the height in the second 0. It is to say, the height where the rock in launched.

Then, the y - intercept represents that the rock was launched from a height of 10.

x- intercept:

The y axis is always intercepted when y = 0.

Here, the point where y = 0 shows the second when the height is 0. It is to say, the second when the rock lands on the ground.

Then, the x - intercept represents that the rock was lands on the ground 4.5 seconds adter being launched.

We have that the domain is the set of x- values the function takes:

In this case it goes from

x = 0 to x = 4.5

The range is the set of y- values the function takes:

In this case it goes from

y = 0 to y = 18

domain = [0, 4.5]

range = [0, 18]

We have that after 4 seconds is when x = 4

When x = 4 then y = 10.

We have that when the rock reaches its max height x = 2.

When y is the max then x = 2.

Answer: 0.500001

Step-by-step explanation: Hope that helps!

Answer:A school bus provides a safe way of transportation for your child. Learn resources to talk to your child about school bus and bus stop safety.

Step-by-step explanation:

Step-by-step explanation:

The small number above the 2 is called an exponent, and we use exponents to shorten a number so it's not so large. So here, the 6 is an exponent, and when we have a problem like this where we have to figure out something like 2^6, as shown above, we grab the base number, which in this case is 2, and we multiply it by itself 6 times, since 6 is the exponent. So basically you have to multiply the base number (2) by itself the same number of times as whatever the exponent is. So we have 2 × 2 × 2 × 2 × 2 ×2, and when you multiply all of this, you get 64. So the module has 64 pages.

Answer:

p = -0.006n + 102

Step-by-step explanation:

So you have two data points and you want to find line between them in y-intercept form

    5000 shirts can be sold at a price of $ 72  

   10000 shirts can be sold at a price of $ 42

    p = m n + b               y = mx + b     y = price of shirts  x = number of shirts

   m = (p2 - p1) / (n2 - n1)            (5000, 72) and (10000, 42)

       = (72 - 42) / (5000 - 10000)

       =    30 / -5000

       =    - 0.006

   p = -0.006n + b

   p - 72  = -0.006(n - 5000)

   p = -0.006n - (0.006)(-5000) +72

      = -0.006n + 30 + 72

  p = -0.006n + 102

The standard normal distribution is used when calculating the confidence interval for the mean using a sample size of 30 or greater with a known population standard deviation.

The Z-distribution (also known as the standard normal distribution) is a normal distribution with a mean of 0 and a standard deviation of 1. When the population standard deviation is known, the sample mean follows a normal distribution and the standard error is given by the population standard deviation divided by the square root of the sample size. So, the Z-score is given by (x - μ) / (σ / √(n)) where x is the sample mean, μ is the population mean and σ is the population standard deviation and n is the sample size.

With a sample size of 30 or greater, the central limit theorem states that the sample mean will be approximately normally distributed, regardless of the shape of the population distribution. So, a Z-score can be used to find the probability that a sample mean falls within a certain range of the population mean, which is commonly used to construct a confidence interval.

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The expected values of the raffle ticket for you are given as follows:

For the PTO, the expected values are given as follows:

The expected value of a discrete distribution is given by the sum of each outcome multiplied by it's respective probability.

For you, the distribution is given as follows:

Hence the expected value for one ticket is given as follows:

E(X) = 62/280 - 4 x 279/280

E(X) = -$3.76.

For twelve tickets, the expected value is given as follows:

12 x -3.76 = -$45.12.

For the PTO, we use the inverse signals, as the distribution is the inverse, that is:

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Answer:

1/8

Step-by-step explanation:

I hope this helped!!

Answer: B i think

Step-by-step explanation:

A term can be a number, a variable, product of two or more variables or product of a number and a variable. An algebraic expression is formed by a single term or by a group of terms.

1. The mean age of the team is 21 years.

2. The age of the new player is 34 years

1. From the information, the following can be deduced:

AGE (X) - - - - - - - 19 - -20 - - - 21 - - - 22 - - - 23

FREQUENCY (F) - 2 - - 3 - - - - 1 - - - - 4 - - - - 1

Mean = Age × Frequency / Sum of frequency

= [(19 * 2) + (20 * 3) + ( 21 * 1)+(22 * 4)+(23 * 1)]

= 38 + 60 +21 + 88 + 23 = 230

Sun of frequency = 2 + 3 + 1 + 4 + 1= 11

Mean(X) = 230 / 11

X = 21

The mean is 21 years.

2. A new player joins and raises it to 22 years. Let age of new player = y

Sum of Ages = 19 + 19 +20 + 20 + 20 + 21 + 22 + 22 + 22 + 22 + 23 + y

Number of players = 11 + 1 = 12

Mean(x) = sum of ages / number of players

New mean (x) = 22

x = (230 + y) / 12

22 = (230 + y) / 12

Cross multiply

264 = 230 + y

y = 264 - 230

y = 34 years

The age is 34 years.

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Complete question

The table shows the ages of players on a football team.

Age

Frequency

a) Work out the mean age of the team.

Round your answer to 1 decimal place.

19

2.

20

3

21

1

b) A new player joins the team and raises

the mean age to 22.

22

4

23

1

Work out the age of this new player

y = 12.60 + 0.64x

Step-by-step explanation:

y = $12.60 + $0.64(x)

y = 12.60 + 0.64x

Solution:

A.) \((-4-\sqrt{13},-4+\sqrt{13})\)

Hope this helps!

Answer:

∠ x = 58°

Step-by-step explanation:

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠  BAD is an exterior angle of the triangle , then

x + 56° = 114° ( subtract 56° from both sides )

x = 58°

The marginal frequency of students who chose dancing is 37.

The correct answer to the given question is option 3.

The marginal frequency of students who chose dancing can be calculated by adding up the number of students who chose dancing in each row or column. In this case, we need to add up the number of art students who chose dancing (22) and the number of music students who chose dancing (15), which gives us a total of 37. This is the marginal frequency of students who chose dancing.

Based on the survey results, it appears that a slightly higher percentage of art students prefer dancing (41.5%) compared to music students (31.9%). However, both groups of students seem to be fairly evenly split between dancing and playing sports, with a slight preference for playing sports overall.

It's worth noting that cardiovascular activity is important for overall health and well-being, and both dancing and playing sports can provide great opportunities for exercise and physical activity. Additionally, both activities can also be enjoyable and provide a sense of community and social connection, which is important for middle school students who are still developing their social skills and relationships. Ultimately, the choice between dancing and playing sports will depend on individual interests, preferences, and abilities.

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Using the law of detachment and the law of syllogism,

We can conclude that Sally is too heavy for the bridge, but we cannot conclude that she can cross the bridge.

We have,

Using the law of detachment, we can conclude from statements 1 and statement 3:

If something weighs more than 2,000 pounds, then it weighs more than Jill's car. (Statement 1)

Sally the elephant weighs 2,325 pounds. (Statement 3)

Therefore, Sally weighs more than Jill's car.

Using the law of syllogism, we can then use the conclusion above and statement 2 to conclude:

Sally weighs more than Jill's car.

If something weighs more than Jill's car, then it is too heavy for the bridge. (Statement 2)

Therefore, Sally is too heavy for the bridge.

Therefore,

We can conclude that Sally is too heavy for the bridge, but we cannot conclude that she can cross the bridge.

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Answer:

No, she is not correct.

She did not factor out the 2 on the left side.

\(2x + 3 = 2(x + \frac{3}{2} )\)

The value of c on the normal distribution such that P(Z > c) = 0.1446 is given as follows:

c = 1.06.

The z-score of a measure X of a normally distributed variable that has mean represented by \(\mu\) and standard deviation represented by \(\sigma\) is obtained by the equation presented as follows:

\(Z = \frac{X - \mu}{\sigma}\)

Considering the second bullet point, the value of c is the z-score with a p-value of 1 - 0.1446 = 0.8554, hence it is given as follows:

c = 1.06.

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Answer:

Twelve and one fourth feet

Step-by-step explanation:

9 and 3/4 feet =9.75

2 and 2/4 feet =2.50

9.75 + 2.50

= 12.25/12 and 1/4 feet

Answer:

Step-by-step explanation try b:

None of the options are correct because no table shows the 1 gallon per minute.

Given that,
To determine which of the table shows the rate of 1 gallon per minute.

Rate of change is defined as the change in value with rest to the time is called rate of change.

Here.
Table 1,
Rate = number of gallon / minute = 1 / 5 / [10/5] = 1/10 gallon per minute
Similarly.
Table 2
Rate = 2 / 3  gallon per minute
Table 3
Rate = 1 / 2  gallon per minute
Table 4
Rate = 3 / 8  gallon per minute

Thus. none of the options is correct because no table shows the 1 gallon per minute.

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