how can i answer it ​

The relation that is displayed in the table can be found to be B: {(-3, -2), (-1, 1), (2, -2), (3, 3)}

The relation displayed on the table would simply refer to the points seen on the table. When writing the coordinates of a point, you should give the x value first and then give the y value.

The relations on the table are therefore { ( - 3 , - 2 ) , ( - 1 , 1 ) , ( 2 , - 2 ) , ( 3 ,  3 ) }. This represents the entire point portfolio seen on the table and therefore encompasses all the relation.

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The unknown side length in triangle B has a measure of 7.5 units.

It is given that Alejandro reduced triangle A proportionally.

It means triangle A and B are similar and their corresponding sides are proportional.

Scale factor = 6/12

=1/2

Each side of triangle A is changed by a factor of 1/2.

Let the unknown side of triangle B be x.

x/15=1/2

2x=15

x=7.5

Therefore, the unknown side length in triangle B has a measure of 7.5 units.

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Answer:

Question 3: would equal 30.5 and Question 4: would equal 19

Answer:

165

Step-by-step explanation:

there are 165 different arrangements of 1,2,3 place possible of the 11 students

The number of cups of flour must always be 6 times the number of cups of water, under the condition Mitch made two 10-inch pizzas using a recipe that calls for 3 cups of four and cup of water.

In order to make 4 more pizzas without changing the ratio of flour to water, Mitch have to use 12 cups of flour and 2 cups of water.

To evaluate this we need to perform multiplication
Mitch used 3 cups of flour and 1 cup of water for 2 pizzas. So for each pizza, he used 1.5 cups of flour and 0.5 cups of water.
To make 4 more pizzas, he needs to use 6 cups of flour and 2 cups of water (since he needs twice as many pizzas).
Then, for each pizza, he needs to use 1.5 cups of flour and 0.5 cups of water (since he wants to keep the ratio the same).
So for 4 more pizzas, he needs to use 6 x 2 = 12 cups of flour and 2 x 2 = 4 cups of water.
Since he wants to keep the ratio the same, he needs to use 12 cups of flour and 2 cups of water.

Therefore, the number of cups of flour must always be 6 times.
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The complete question is
Mitch made two 10-inch pizzas using a recipe that calls for 3 cups of four and cup of water. Mitch wants to make 4 more pizzas without changing the ratio of flour to water. Enter a number to make the sentence about the ingredients true.
The number of cups of flour must always be___ times the number of cups of water.

There are 19,958,400 different ways Grace can select the batting order for her club baseball team.

Using permutation formula: P(n,r) = n! / (n - r)!

where n is the total number of players on the team (12) and r is the number of batters in the batting order (10).

So, we have:

P(12,10) = 12! / (12 - 10)!

P(12,10) = 12! / 2!

P(12,10) = 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3

P(12,10) = 19,958,400

Therefore, there are 19,958,400 different ways Grace can select the batting order for her club baseball team.

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The sample space has 27 elements.

The sample space is the set of all possible outcomes of an experiment. In this case, the experiment is drawing one card from a well-shuffled deck of 27 cards.

To determine the number of elements in the sample space, we can count the total number of cards in the deck.

The number of red cards is 6, the number of green cards is 8, and the number of blue cards is 13. Therefore, the total number of cards in the deck is:

6 + 8 + 13 = 27

Hence, there are 27 possible outcomes when drawing one card from the deck. These outcomes consist of the 6 red cards, the 8 green cards, and the 13 blue cards in the deck.

So the sample space has 27 elements.

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Answer:

382 bags of dasheen

Step-by-step explanation:

Therefore, My. Andrew packed a total of 382 bags of  dasheen

The Type II error in this situation is the fourth option: (d) based on the sample mean, the owner concludes that the mean weight of all of the bunches of bananas is not less than 3.54 pounds when the true mean weight is actually less than 3.54 pounds.

A Type II error occurs when the null hypothesis (in this case, that the mean weight of the banana bunches is 3.54 pounds) is not rejected, even though it is false. In other words, the owner fails to reject the shipment of bananas, even though it does not meet the required weight standard. In this scenario, the owner may face a loss in business or reputation due to the low quality of bananas, and may also incur losses by selling the underweight bananas at a lower price or even disposing of them.

The probability of making a Type II error can be minimized by increasing the sample size or decreasing the significance level (alpha level) of the test. However, a Type II error can never be completely eliminated.

Therefore, the correct option is d.

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The Kanizsa triangle illusion helps us understand that our perceptual experiences are not simply the sum of the individual sensory inputs, but rather the result of a complex and variable process of perceptual organization.

Gestalt is a German word meaning "shape" or "form," and in psychology, it refers to a set of principles that describe how people perceive and organize sensory information into meaningful wholes. These principles propose that the whole is greater than the sum of its parts, and that we tend to organize our perceptual experiences into coherent, holistic forms rather than isolated, unrelated sensations.

Experimental examples such as the Necker cube, visual cliff, and others help demonstrate principles of perceptual organization by highlighting how our minds naturally try to impose structure and order on sensory input. For example, the Necker cube is a two-dimensional drawing that can be perceived as a cube that can be viewed from different angles. However, as one stares at the image, it appears to flip back and forth between different possible interpretations. This phenomenon illustrates the Gestalt principle of figure-ground, which describes how we tend to perceive objects as being distinct from their surrounding context.

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The probability that all three selected homes have a security system is 0.0014.

The probability that none of the three selected homes have a security system is 0.3583.

The probability that at least one of the selected homes has a security system is 0.6417.

a. The probability that the first selected home has a security system is 4/21. Since there are now only 3 homes left with security systems out of 20 total homes, the probability that the second selected home also has a security system is 3/20. Similarly, the probability that the third selected home has a security system is 2/19. Therefore, the probability that all three selected homes have a security system is:

[tex](4/21) * (3/20) * (2/19) = 0.0014[/tex]

So, the probability that all three selected homes have a security system is 0.0014.

b. The probability that the first selected home does not have a security system is 17/21. Since there are now only 16 homes left without security systems out of 20 total homes, the probability that the second selected home also does not have a security system is 16/20. Similarly, the probability that the third selected home does not have a security system is 15/19. Therefore, the probability that none of the three selected homes have a security system is:

(17/21) * (16/20) * (15/19) = 0.3583

So, the probability that none of the three selected homes have a security system is 0.3583.

c. The probability that none of the three selected homes have a security system is 0.3583 (as found in part b). Therefore, the probability that at least one of the selected homes has a security system is:

1 - 0.3583 = 0.6417

So, the probability that at least one of the selected homes has a security system is 0.6417.

d. We assumed the events to be dependent because the probability of each event is affected by the outcomes of the previous events. For example, the probability of selecting a home with a security system on the second draw is influenced by whether a home with a security system was selected on the first draw.

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Step-by-step explanation:

in geometry, a minor arc is an arc that measures less than 180°, and a major arc is one that measures greater than 180°. Arc measure is the angle measure of the center angle corresponding to the arc. An arc is a part of the circumference of a circle.

Answer:

  y = -3√(x -1) +2

Step-by-step explanation:

You want the equation of the translated, reflected, and scaled square root function in the given graph.

We can find the amount of translation by looking at the position of the point that corresponds to (0, 0) on the graph of the parent function. That end point where the slope is vertical is located at (1, 2) on the given graph.

When a function y = f(x) is translated by (h, k), it becomes ...

  y = f(x -h) +k

For (h, k) = (1, 2) the translated function is ...

  y = f(x -1) +2 = √(x -1) +2

When the function is scaled, its value is multiplied by the scale factor. If that factor is 'a', our scaled and translated function is ...

  y = a√(x -1) +2

To find the scale factor, we can use the second point on the curve: (2, -1). Using these values for x and y gives ...

  -1 = a√(2 -1) +2

  -3 = a . . . . . . . . . . subtract 2, simplify

The transformed function is ...

  y = -3√(x -1) +2

__

Additional comment

The function is scaled before it is translated, so the scale factor does not apply to the translation.

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The solution is:

No, this statement is not true, we know that these dimensions are not possible given the amount of fencing.

We have,

Perimeter measures the distance around a shape.

Perimeter Formula

The perimeter is 2w + 2l = P, where w is the width and l is the length. This formula is used because together, it adds together the distance of every side.

If wanted, it can be rewritten as w + w + l + l = P. This form of the formula shows all 4 sides being added together.

Inequality

We can set up an inequality to represent the situation. We know that the perimeter must be less than or equal to 150 because that is the amount of fence John has. So, we can plug the information that we know into the formula.

2(50) + 2(40) ≤ 150

Then, solve.

180 ≤ 150

Since this statement is not true, we know that these dimensions are not possible given the amount of fencing.

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complete question:

John is building a fence around his garden and has 150 feet of

fencing. The length of his garden is 40 feet and the width of

his garden is 50 feet. Does John have enough fencing to go

around the perimeter of his garden? Explain why or why not.

Since the p-value is greater than the commonly used significance level of 0.05, we fail to reject the null hypothesis. Therefore, we do not have sufficient evidence to conclude that union efforts to organize have increased union membership.

We can use a one-sample proportion test to determine if the proportion of union members in the sample is significantly different from the population proportion of 11.3%.

The null hypothesis is that the population proportion is equal to 11.3%:

H0: p = 0.113

The alternative hypothesis is that the population proportion is greater than 11.3%:

Ha: p > 0.113

The sample proportion is P = 58/400

= 0.145

The standard error of the sample proportion is:

SE = √(p*(1-p)/n)

= √(0.113*(1-0.113)/400)

= 0.0197

The test statistic is:

z = (P - p) / SE

= (0.145 - 0.113) / 0.0197

= 1.6244

The p-value for this test is the probability of getting a z-score of 1.6244 or greater, assuming the null hypothesis is true:

p-value = P(Z > 1.6244)

= 0.0515 (using a standard normal distribution table)

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The equation of the graph or function y=-1/9x²

From the given instruction we obtain a parabola with an x-coordinate equal to the midpoint of I of the endpoints of the base or −6+6/2 =0

And y-coordinate equal to the midpoint of the y-coordinates of the vertex and an endpoint of the base or 4+(−4)/2=0

So the vertex is (0,0)

From the function y=x² above graph is the reflection about x-axis

so we have y=−ax²

So, to find "a" we will put (6,-4) in equation 1 we get

-4=-a(6)²

a=1/9

Hence, the equation of the graph is y=-1/9x²

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the 90% confidence interval for p - um is (-0.816, 2.916), which can be rounded to (-0.82, 2.92). The closest option to this interval is (c) (-5.084, 7.284).

The point estimate for the difference in mean annual return is:

a - m = 7.3 - 6.2 = 1.1

To find the margin of error for a 90% confidence interval, we use the t-distribution with 16 degrees of freedom (conservative df) and a 5% significance level (90% confidence level):

t* = 1.745

The margin of error is then:

ME = t* * sqrt[(s1^2/n1) + (s2^2/n2)]

= 1.745 * sqrt[(0.093^2/17) + (0.124^2/17)]

= 0.916

The 90% confidence interval is:

(a - m) ± ME

1.1 ± 0.916

Thus, the 90% confidence interval for p - um is (-0.816, 2.916), which can be rounded to (-0.82, 2.92). The closest option to this interval is (c) (-5.084, 7.284).

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Answer:

Step-by-step explanation:

You want a formula for the volume of the given figure, which is a hemisphere of radius r atop a cylinder of the same radius and height r.

The volume of a sphere is given by ...

  V = (4/3)πr³

The volume of a cylinder is given by ...

  V =  πr²h

The given figure is composed of half a sphere, and a cylinder. The total volume will be the sum of the volumes of these parts.

  total volume = 1/2(sphere volume) + (cylinder volume)

Using a height of r for the cylinder, we can substitute the above formulas to get ...

  total volume = 1/2(4/3πr³) +(πr²·r)

  total volume = 2/3πr³ + πr³ = (2/3 +1)πr³

  total volume = (5/3)πr³

When the height is 12 inches, the radius is 6 inches, so the volume of the object is ...

  total volume ≈ (5/3)(3.14)(6 in)³ = 1130.4 in³

About 1130.4 cubic inches of glass will be needed for a paperweight that is 12 inches tall.

Answer:

Step-by-step explanation:

Both options A and B are correct, while option C is incorrect.

Option A, -6 < -4, is true because -6 is less than -4 on the number line.

Option B, 4 < 6, is also true because 4 is less than 6 on the number line.

Option C, 0 > -4, is incorrect because 0 is not greater than -4. In fact, -4 is less than 0, so the correct inequality would be -4 < 0.

Therefore, the correct options are A and

The solution for the given quadratic equation v² - 9v = -4 are v = [9 ± √65] / 2

To solve a quadratic equation in the form of ax² + bx + c = 0 using the quadratic formula, we can use the following formula:

x = [-b ± √(b² - 4ac)] / 2a

In this case, we have the equation v² - 9v = -4, which can be rearranged to the standard form of ax² + bx + c = 0 by adding 4 to both sides:

v² - 9v + 4 = 0

Now we can identify the values of a, b, and c:

a = 1, b = -9, c = 4

Substituting these values into the quadratic formula, we get:

v = [9 ± √(81 - 16)] / 2

Simplifying under the square root:

v = [9 ± √65] / 2

These are the two solutions for v, which can be expressed as decimals rounded to the nearest hundredth or as exact fractions.

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(1) The value of x is in the inscribed chords is  110⁰.

(2) The length of PT is 7.48 cm.

(3) The length of EC is 1.93.

The value of x is calculated by applying intersecting chord theorem as shown below;

x = ¹/₂ ( 360 - ( 40⁰ +  100⁰ )

x = ¹/₂ (360 - 140 )

x = ¹/₂ (220)

x = 110⁰

2. The length of PT is calculated as follows;

The radius of the circle = length NT,  is calculated as follows;

A = πr²

r² = A/π

r = √ (A/π)

r = √ (25π/π)

r = 5 cm = NT = NM

PT is calculated by applying Pythagoras theorem as follows;

NP = NM + MP

NP = 5cm + 4 cm

NP = 9 cm

PT = √ (9² - 5²)

PT = 7.48 cm

3. The length of EC is calculated  by applying chord theorem as follows;

AE. ED = BE . EC

ED = AD - AE

ED = 12 - 3 = 9

Now, solve for EC;

AE. ED = BE . EC

3 x 9 = 14(EC)

27 = 14(EC)

EC = 27/14

EC = 1.93

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If teacher is distributing sheets in a class, then the equation which is used to find number of students in class is (d) 2x+8 = 3x - 11​.

A "Linear-Equation" is a mathematical equation that represents a straight line in a coordinate plane. It is of form : y = mx + b

where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept (the point at which the line crosses the y-axis).

Let number of students in class be denotes as "x",

If each student get 2 sheets, then 8 sheets are remaining, it is mathematically represented as : 2x + 8 ,

If each student get 3 sheets each, then there would be 11 sheets less, and this is represented as : 3x - 11,

So, the equation which is used to find number of students in class is 2x+8=3x-11,

Therefore, the correct option is (d).

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The given question is incomplete, the complete question is

If a teacher were to distribute sheets of paper so that each student got two sheets, there would be 8 sheets remaining. However, if three sheets were given to each student, the teacher would be 11 sheets short. Which equation could be used to find how many students are in the class?

(a) 2(x - 8) = 3(x + 11)

(b) 2(x + 8) = 3(x - 11)

(c) 2x-8 = 3x + 11

(d) 2x+8 = 3x - 11​

To find the radius of the sphere passing through points A, B, C, and D in space, we can use the fact that the sphere will be the circumsphere of triangle ABC and triangle ABD.

Since BAC = BAD = CAD = 90, we know that triangle ABC and triangle ABD are both right triangles.

Using the Pythagorean theorem, we can find the length of BC and BD:

BC^2 = AB^2 + AC^2 = 6^2 + 6^2 = 72
BD^2 = AB^2 + AD^2 = 6^2 + 6^2 = 72

Since BC = BD, we know that triangle BCD is an isosceles triangle. Therefore, the altitude from vertex C to side BD will bisect BD, and the altitude from vertex B to side CD will bisect CD. Let E be the point where the altitudes intersect.

Now we can use the Pythagorean theorem again to find the length of CE:

CE^2 = BC^2 - BE^2 = 72 - (BD/2)^2 = 72 - 36 = 36
CE = 6

Since the sphere passes through point C, its center must be equidistant from points A, B, and D. Let O be the center of the sphere. Then we have:

OA = OB = OD
OA^2 = OC^2 + AC^2 = OC^2 + 36
OB^2 = OC^2 + BC^2 = OC^2 + 72
OD^2 = OC^2 + AD^2 = OC^2 + 36

Since OA = OB = OD, we can equate the expressions for OA^2, OB^2, and OD^2:

OC^2 + 36 = OC^2 + 72 = OC^2 + 36
72 = 2(OC^2 + 36)
OC^2 = 18

Therefore, the radius of the sphere is:

r = OC = sqrt(18) = 3sqrt(2)

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So the magnitude of the cross product between two vectors is the same regardless of the order of the vectors.

This statement is true. The magnitude of the cross product between two vectors u and v is defined as:

|u à v| = |u||v|sinθ

where θ is the angle between the two vectors. The cross product is anti-commutative, meaning that if we switch the order of the vectors, the sign of the result changes:

v à u = - (u à v)

Therefore, taking the magnitudes of both sides, we have:

|v à u| = |- (u à v)|

|v à u| = |u à v|

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The equation of the tangent to the curve at the point corresponding to t=1 is y = x - 2.

To find the equation of the tangent to the curve at the point corresponding to t=1:

We first need to find the corresponding values of x and y. Substituting t=1 into the given equations, we get:

[tex]x = 1^4 + 3 = 4[/tex]
[tex]y = 1^3 + 1(1) = 2[/tex]

So the point on the curve corresponding to t=1 is (4,2).

To find the equation of the tangent at this point,

we need to find the slope of the curve at this point. We can do this by taking the derivative of y(x) with respect to x:

[tex]dy/dx = (dy/dt)/(dx/dt) = (3t^2+t)/(4t^3)[/tex]

Substituting t=1, we get:

dy/dx = (3+1)/(4) = 1

So the slope of the curve at the point (4,2) is 1.

Now we can use the point-slope form of the equation of a line to find the equation of the tangent:

y - 2 = 1(x - 4)

Simplifying, we get:

y = x - 2

So the equation of the tangent to the curve at the point corresponding to t=1 is y = x - 2.

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The perimeter and area of parallelogram WXYZ is b.) perimeter= 22cm; area= 20cm²

The formula for calculating the perimeter of a parallelogram is expressed as;

P = 2(a + b)

Such that the parameters are;

Then, we have;

Perimeter = 2(4 + 7)

Add the values

Perimeter = 22 cm

The area of a parallelogram is expressed as;

Area = bh

Where the parameters of the formula are;

Area = 5(4)

Area = 20cm²

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Answer:

Unclear, but assuming it takes 2 minutes to cut one piece, your answer would be 10 minutes to cut 5 pieces.

Step-by-step explanation:

We have 5 pieces, each takes 2 minutes, so:

5×2=10

If it takes more or less than 2 minutes per piece, replace the "2" with another value. (EXAMPLE: 5 minutes per piece would be 5×5=25)
Other:
If this is wrong, I apologize, as there was not enough information given to your question.

The intersection change has significantly increased the number of traffic accidents. If not, you would fail to reject the null hypothesis and not have enough evidence to claim a significant increase in accidents due to the intersection change.

A) The Null Hypothesis (H0) is that the intersection change has not significantly increased the number of traffic accidents.

B) Without specific data, I cannot calculate the exact Test Statistic value. You'll need to perform a hypothesis test using the appropriate formula for your data set.

C) The Critical Value also depends on your data and the level of significance (alpha) you choose, typically 0.05 or 0.01. Use a statistical table or software to find the critical value based on your chosen level of significance and the degrees of freedom.

D) Similar to B and C, the p-value cannot be calculated without specific data. Compare the calculated p-value to the chosen level of significance (alpha) to determine whether to reject or fail to reject the null hypothesis.

E) Based on the Test Statistic, Critical Value, and p-value, you can draw conclusions about the null hypothesis. If the Test Statistic is greater than the Critical Value or the p-value is less than the chosen level of significance (alpha), you would reject the null hypothesis.

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Answer:

Step-by-step explanation:

easy its 7