wich one doesn't belong

Answer:

16\(t^{2}\) + 2t - 6

Step-by-step explanation:

\((12t^{2} + 5t -y) - (-4t^{2} + 3t -1)\)

simplify

\(12t^{2} + 5t -7 +4t^{2} -3t +1\)

combine like terms

16\(t^{2}\) + 2t - 6

The height of the cylinder is 3 and its base is a circular disk with radius 1.

The solid of revolution obtained by revolving the region bounded by the curves y = x - 1, y = 0, and x = 3 about the x-axis is a cylinder.

The curves y = x - 1 and y = 0 bound a triangular region in the xy-plane with vertices (0, -1), (3, 0), and (1, 0). When this region is revolved about the x-axis, it generates a cylinder with height 3 and base a circular disk with radius 1.

A cylinder has traditionally been a three-dimensional solid, one of the most normal of curvilinear geometric shapes.

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Answer:

d is the right answer hope you get it right

Answer:

12/1 or just 12

Step-by-step explanation:

If you divide 180 by 15 you get 12 and what you divide by the by the top you divide by the bottom and you get 1 because 15 divided by 15 is 1 .

The area of the concave hexagon AOBCPD is 36 square units.

The concave hexagon AOBCPD is formed by two externally tangent circles with centers O and P and radii 2 and 4, respectively. Points A and B are on the circle with center O, and points C and D are on the circle with center P. Lines AD and BC are common external tangents to the circles.

To find the area of the hexagon, we can divide it into two trapezoids: AOCP and BOCD. In each trapezoid, the shorter base is a radius of the smaller circle (2 units) and the longer base is a radius of the larger circle (4 units). Since AD and BC are tangent to the circles, they are perpendicular to the radii at the points of tangency, forming right angles. This means the height of each trapezoid is the same, and it is the distance between the centers O and P (6 units).

Let's use the formula for the area of a trapezoid: (1/2)(sum of parallel sides)(height). For trapezoid AOCP: (1/2)(2+4)(6) = 18 square units. For trapezoid BOCD: (1/2)(2+4)(6) = 18 square units. The total area of hexagon AOBCPD is the sum of the areas of the two trapezoids: 18 + 18 = 36 square units. Therefore, the area of the concave hexagon AOBCPD is 36 square units.

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Adult tickets cost $8.25 and children ticket is $6.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions written on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved.

Let adult tickets = a

Let children tickets = c

Since Johnny bought 4 adult tickets and 8 children tickets for $81. Leslie bought 2 adult

tickets and 2 children tickets for $28.50.

This will be:

4a + 8c = 81 ....i

2a + 2c = 28.50... ii

From equation ii a + c = 14.25

a = 14.25 - c

Put this into equation I

4a + 8c = 81 .

4(14.25 - c) + 8c = 81

57 - 4c + 8c = 81

4c = 81 - 57.

c = 6

Since a = 14.25 - c

a = 14.25 - 6.

a = 8.25

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Answer: The maximum amount you would be willing to pay for the investment is approximately $870,552.37, assuming an 8% return and living until age 60.

Step-by-step explanation: To calculate the maximum amount you would be willing to pay for the investment, you need to determine the present value of the future cash flows. Since the investment pays $4,800 annually until you reach age 60, which is 20 years from now, and assuming an 8% return, you can use the present value formula to calculate the present value of these cash flows. The result is approximately $870,552.37, which represents the maximum amount you would be willing to pay for the investment given your expected return and time frame.

Step-by-step explanation:

let's multiply the first equation by 2 and the second equation by -3, and then we add them together :

26x - 12y = 4

-9x +12y = 30

-------------------------

17x 0 = 34

x = 2

and now we use one of the original equations to solve for y :

3×2 - 4y = -10

6 - 4y = -10

-4y = -16

y = 4

the solution is (2, 4).

Thus, the obtained area of sector for the given circle is found as 43.96 in².

Two radii that meet at the centre to form a sector define a circle. The sector is the portion of the circle created by these two radii. Knowing a circle's central angle assessment and radius measurement are both crucial for solving circle-related difficulties.

The curved portion that runs along the circle's perimeter and joins the ends of a two radii that make up a sector is known as the sector arc.

given data:

Formula for the area of sector:

area of sector = Ф /360 * (πr²)

area of sector = 140/360 * (3.14 *6²)

area of sector = 7/18 * 3.14 *36

area of sector = 43.96 in²

Thus, the obtained area of sector for the given circle is found as 43.96 in².

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Independent and dependent variables are interdependent.

Dependent Variable: The term "dependent variable" refers to the variable that is being measured or tested in an experiment.

The results of the participants' tests, for instance, would be the dependent variable in a study looking at how tutoring affects test scores because that is what is being measured.

If you keep in mind that the dependent variable depends on the independent variable, finding it can be simpler.

This isn't the same as an experiment's independent variable, which is a variable that can stand on its own. The dependent variable (test results), however, may alter depending on the independent variable (tutoring).

The unrelated factor

Because the experimenters are allowed to change the independent variable as necessary, it is called a "independent" variable.

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The proportion of Americans who support federal spending cuts to Medicaid is less than 0.12 leads to Type 1 error.

When we reject a true H₀ it is known as type 1 error. The probability of type 1 errors is inversely proportional to the amount of confidence you choose. There is a 5% possibility of receiving a type 1 error on a test with a 95% confidence level.

When we feel to reject a false H₀ it is known as type 2 error.

H₀:P= 0.12

Hₐ:P= 0.12

The question implies that we actually rejected the null hypothesis, while there is a chance that it is true and we are rejecting a true null hypothesis.

Therefore, it only suggests that there is a possibility that we will make a type 1 error.

Consequently, Type 1 error is the response to our query.

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Answer:

The translation from quadrilateral EFGH to quadrilateral E'F'G'H' is \(T_{(2, -4)}\), which is two units to the right (x direction) and 4 units down (negative y direction)

Step-by-step explanation:

The coordinates of quadrilateral EFGH are;

Point E has coordinates (-1, 1)

Point F has coordinates (0, 4)

Point G has coordinates (3, 1)

Point H has coordinates (3, 0)

The coordinates of the translation are;

Point E' has coordinates (0, -3)

Point F' has coordinates (1, 0)

Point G' has coordinates (4, -3)

Point H' has coordinates (4, -4)

The change in the y-coordinate values (y values) are;

From point E to point E', we have;

(-3 - 1) = -4 which is four units down

The change in the x-coordinate values (x values) are;

From point E to point E', we have;

(0 - (-1)) = 2 which is two units to the right

The total change in translation is \(T_{(2, -4)}\).

Answer:

  RS = 38

Step-by-step explanation:

Given ∆XYZ ~ ∆RST with XY=5x-3, XZ=60, RS=3x+2, RT=40, you want the length of RS.

Corresponding sides of similar triangles have the same ratios:

  XY/XZ = RS/RT

  (5x -3)/60 = (3x +2)/40 . . . substitute given lengths

  2(5x -3) = 3(3x +2) . . . . . . . multiply by 120

  10x -6 = 9x +6 . . . . . . . . . . . eliminate parentheses

  x = 12 . . . . . . . . . . . . . . . add 6-9x to both sides

Using this value of x we can find RS:

  RS = 3x +2

  RS = 3(12) +2

  RS = 38

__

Additional comment

The value of XY is 5(12)-3 = 57, and the above ratio equation becomes ...

  57/60 = 38/40 . . . . . both ratios reduce to 19/20.

The congruent corresponding parts of triangle PQR and TSR are:

|PQ| and |TS|

|QR| and |SR|

|PR| and |TR|

From the question, we are to determine the congruent corresponding parts in the given triangles.

From the given information,

PQR is congruent to TSR

Congruent triangles are triangles that have exactly the same size and shape.

NOTE: The parts of the two triangles that have the same measurements (congruent) are referred to as corresponding parts.

Thus,

Considering triangles PQR and TSR,

The congruent corresponding parts are:

|PQ| and |TS|

|QR| and |SR|

|PR| and |TR|

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Answer:

b

Step-by-step explanation:

used a calucator

17

25 - 8 = 17

so

17 + 8 = 25

Answer: $51.48

Step-by-step explanation:

If a $52 item is marked up by 10%, its new price will be:

$52 + 10% of $52 = $52 + $5.20 = $57.20

Then, if this new price is marked down by 10%, the final price will be:

$57.20 - 10% of $57.20 = $57.20 - $5.72 = $51.48

Therefore, the final price of the item after the markup and markdown is $51.48.

that it is important for likert-type scale response choices to be balanced at the ends of the response continuum. This means that there should be an equal number of positive and negative response options to avoid any bias or skew in the results.

An explanation for this is that if there are too many positive or negative response options, respondents may feel pressured to choose a certain option even if it doesn't accurately reflect their true opinion. This can result in inaccurate data and can skew the results of the survey or study.

balancing the response choices on a likert-type scale is crucial for obtaining accurate and unbiased data. By having an equal number of positive and negative options, respondents are more likely to provide honest and accurate responses.

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Answer:

4

Step-by-step explanation:

(25-18+5)/4=4

(insert the variables)

The x and y coordinates of Q are negative according to the transformation rule of a 90 degree counterclockwise rotation about the origin, which is (x, y)→  (-y, x).

C) Both x and y are negative.

When a function is transferred without undergoing any form or rotation changes, it has been "translated." A function may be translated both horizontally and vertically. Dilation, reflection, as well as rotation are additional "transformations" of a function that are feasible.

The following is the transformation formula for a 90° counterclockwise rotation about the origin:

(x, y) →  (-y, x)

the triangle is then reflected across the x-axis,

the following transformation rule:

(x, y) → (x, -y)

So, we have:

(x, y) → (-y, -x)

From the graph, we have:

Q = (1,2)

So,

the coordinates of Q" are

Q" = (-2, -1)

Both the x and y coordinates of Q " are negative.

Therefore,

the correct answer is option:

C) Both x and y are negative.

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I understand that the question you are looking for is:

Triangle PQR is rotated 90 degrees counterclockwise about the origin to form the image triangle P'Q'R' (not shown). Then triangle P'Q'R' is reflected across the x-axis to form triangle P"Q"R" (not shown). What are the signs of the coordinates (x, y) of Point Q"?

A) Both x and y are positive

B) x is negative and y is positive

C) Both x and y are negative

D) x is positive and y is negative

In a proportional relationship between two quantities, the constant of proportionality, often denoted by the letter "k," represents the value that relates the two quantities. The equation y = kx is the standard form for expressing a proportional relationship, where "y" and "x" are the variables representing the two quantities.

Here's a breakdown of the components in the equation:

y: Represents the dependent variable, which is the quantity that depends on the other variable. It is usually the output or the variable being measured.

x: Represents the independent variable, which is the quantity that determines or influences the other variable. It is typically the input or the variable being controlled.

k: Represents the constant of proportionality. It indicates the ratio between the values of y and x. For any given value of x, multiplying it by k will give you the corresponding value of y.

The constant of proportionality, k, is specific to the particular proportional relationship being considered. It remains constant as long as the relationship between x and y remains proportional. If the relationship is linear, k also represents the slope of the line.

For example, if we have a proportional relationship between the distance traveled, y, and the time taken, x, with a constant of proportionality, k = 60 (representing 60 miles per hour), the equation would be y = 60x. This equation implies that for each unit increase in x (in hours), y (in miles) will increase by 60 units.

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Answer:

your answer should be 15

Step-by-step explanation:

The 95% confidence interval for the given population proportion is between 0.1716 to 0.2884.

The confidence interval for a population proportion is calculated by the formula,

\(C.I = \bar{p}\pm z_{\alpha/2}\sqrt{\frac{\bar{p}(1-\bar{p})}{n} }\)

Where \(\bar{p}\) is the sample proportion and α is the level of significance.

It is given that,

The statistics reported on CNBC projects, a surprising number of motor vehicles are not covered by insurance. The sample results are

The sample size n = 200;

The number of successes = 46

So, the sample proportion \(\bar{p}\) = 46/200 = 0.23

For a 95% confidence interval, the level of significance is

α = 1 - 95/100 = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

Then, the z-score for the value 0.025 is

\(z_{\alpha/2}\) = 1.96 (from the table)

Thus, the confidence interval is

\(C.I = \bar{p}\pm z_{\alpha/2}\sqrt{\frac{\bar{p}(1-\bar{p})}{n} }\)

⇒ C.I = 0.23 ± (1.96) × \(\sqrt{\frac{0.23(1-0.23)}{200} }\)

⇒ C.I = 0.23 ± 1.96 × 0.0298

⇒ C.I = 0.23 ± 0.0584

So, the upper limit is 0.23 + 0.0584 = 0.2884 and the lower limit is 0.23 - 0.0584 = 0.1716.

Therefore, the 95% confidence interval for the given population proportion lies between 0.1716 to 0.2884.

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Answer:

180/19

Step-by-step explanation:

(10x)/15+(9x)/15＝5+7

19x＝12(15)

x＝180/19

Answer:

(-4,-4)

Step-by-step explanation:

You can see the vertex from the graph

Answer:

(-4,-4)

Step-by-step explanation:

Vertex is the the point in which the graph originates from

In structural analysis, the normal force represents the force acting perpendicular to a section. To determine the normal force at point C, you need to consider the vertical forces acting on that point.

These forces may include applied loads, self-weight, and any external reactions. Summing up the vertical forces will give you the normal force at point C.

The shear force represents the internal force parallel to a section. To determine the shear force at point C, you need to consider the horizontal forces acting on that point. These forces may include applied loads, reactions, and any distributed loads. Summing up the horizontal forces will give you the shear force at point C.

The moment represents the rotational force acting around a point. To determine the moment at point C, you need to consider the moments caused by the forces acting on that point. These moments may include the moments due to applied loads, reactions, and any distributed loads. Summing up the moments will give you the moment at point C.

To express the answers with appropriate units, the normal force is measured in Newtons (N), the shear force is measured in Newtons (N), and the moment is measured in Newton-meters (Nm).

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1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30 = 465

The solution for x is 1.67.

An equation is a mathematical statement that asserts the equality of two expressions. It typically contains an equal sign (=) and expressions connected by addition, subtraction, multiplication, and division. Equations are used to describe relationships between variables or constants, and can be used to solve for a desired value.

To solve the equation 2 = 3x/5 + 1, we need to use algebraic manipulation to isolate the x variable. First, subtract 1 from both sides of the equation:
2 - 1 = 3x/5
1 = 3x/5

Next, we need to multiply both sides by 5 in order to isolate the x variable:
5(1) = 5(3x/5)
5 = 3x

Finally, divide both sides by 3 in order to solve for x:
5/3 = 3x/3
1.67 = x

Therefore, the solution for x is 1.67.

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Answer:

160 words

Step-by-step explanation: