1. use the quadratic equation to find the exact solutions to this equation, and simplify your answer: 2x^2 6x 12

Therefοre, the sοlutiοn οf the given prοblem οf angles cοmes οut tο be  m∠1 + m∠6 = 180°.

The largest and smallest walls οf a skew are determined by the intersectiοn οf lines that create its ends. There is a chance that twο lines will cοme tοgether at a junctiοn. Anοther result οf twο οbjects interacting is an angle. They mοst clοsely resemble dihedral fοrms. Twο line beams can be arranged in different ways between their extremities tο fοrm a twο-dimensiοnal curve.

Here,

=> m∠1 + m∠2 = 180° (interior angles on the same side of the transversal and between the parallel lines)

=> m∠4 + m∠5 = 180° (interior angles on the same side of the transversal and between the parallel lines)

Other views shown in the figure include:

=> m∠3 = 75° (given)

=> m∠1 = m∠6 (corresponding angles)

Vertical angles: m2 = m6 x - 15° (alternate interior angles)

Angles corresponding to m4 are m5 (vertical angles)

So let's assess each assertion:

Since they are corresponding angles, m1 = m6 is correct.

This is also accurate because the angles are vertical: m2 = m6.

M1 + M6 = 180°: Since they are linear pairs, this is correct.

=> x = 90°: According to the data in the illustration, this isn't always the case.

=> x = 120°: Based on the data shown in the illustration, this is also not always the case.

Thus, the following assertions are true:

=> m∠1 = m∠6

=> m∠2 = m∠6

=> m∠1 + m∠6 = 180°

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Answer:

Step-by-step explanation:

To find g(4), we substitute x = 4 into the expression for g(x):

g(4) = -3(4) - 4 = -12 - 4 = -16

To find g(4) + 8, we add 8 to the value we just found for g(4):

g(4) + 8 = -16 + 8 = -8

Therefore, g(4) + 8 = -8.

The type of graph that represents a system of linear equations that has multiple common coordinate pairs as a solution is called a line of best fit.

A line of best fit is a line drawn through data points that are scattered on a graph in order to illustrate a relationship between the data.

This line helps identify patterns in the data, and when plotted, multiple points can exist on the same line, which in this case represents the multiple common coordinate pairs.

To create a line of best fit, you will need to calculate the slope and the intercept for the equation that models the data. Then, you can plot the points onto the graph and draw a line through them.

The resulting line will be the line of best fit, which represents the multiple common coordinate pairs that are solutions for the system of linear equations.

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Using coordinate geometry,

The problem provides two pieces of information about Hannah's jogging routine: she started with 3 41 miles and added 1/21 miles every week. We can use this information to create a linear equation that represents the number of miles Hannah jogged as a function of the number of weeks she has been jogging.

To create this equation, we first identify the starting value, which is 3 41 miles. This is also the y-intercept of the line. Next, we determine the slope of the line, which is the rate at which the number of miles increases each week. The slope is equal to the change in y (miles) divided by the change in x (weeks), which in this case is (1/21 - 3/41)/1 = -2/1 = -2. Therefore, the slope of the line is -2.

Putting these two pieces of information together, we get the equation y = -2x + 3 41, where y is the number of miles jogging and x is the number of weeks of jogging. This is a linear equation in slope-intercept form, where the slope is -2 and the y-intercept is 3 41.

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Answer:

false, 216° turns 3/5 in a 360° rotation

The total time that it took the fireman to be ready and aboard the firetruck can be obtained by summing all of the time spent. When summed, the total figure will be 32 seconds.

The total time taken to board the firetruck can be calculated by summing all the time given in seconds. We start by getting the time it took the firefighter to reach the fire pole which is 9.5 seconds.

Next is the time it took him to slide down the pole which is 3.2 seconds. Next is 13.6 seconds for sliding down the pole and 5.7 seconds for climbing aboard. The sum of all these is 32 seconds.

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Answer:

2 radical 11

Step-by-step explanation:

hyp= short (2)

x= √11 (2)

x= 2√11

The height of the given cylinder with radius 1.6 meters is 11.81 meters.

A cylinder is a solid made up of two congruent circles in parallel planes, respective interiors, and all the parallel line segments with ends on the circular regions that are perpendicular to the took the shape the centers of both circles.

A three-dimensional solid's volume is the amount of room it occupies up. When calculating the volume, make sure that each of the quantities belong to the same unit.

Radius r =  1.6 meters.

Volume of cylinder V = 95 cubic meters

Formulae for volume of cylinder = πr²h

Height = ?

V = πr²h

95 = 3.14  * 1.6² * h

h = 95 /(3.14  * 1.6²)

h = 11.81

Thus, the height of the given cylinder with radius 1.6 meters is 11.81 meters.

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The value of the double integral is 128/27 - 32/9 + 8ln2/3. From triangular region with vertices (0, 1), (1, 2), (4, 1) d.

To evaluate the double integral, we first need to set up the limits of integration. Since the region D is a triangle, we can use the following limits:

0 ≤ x ≤ 1

1 + x ≤ y ≤ 4 - x

The integral then becomes:

∫0^1 ∫1+x^4-x 8y^2 dy dx

Evaluating the integral with respect to y first, we get:

∫0^1 ∫1+x^4-x 8y^2 dy dx = ∫0^1 [(8/3)(y^3)]1+x^4-x dx

= ∫0^1 [(8/3)(1+x^3)^3 - (8/3)(1+x^2)^3] dx

= 128/27 - 32/9 + 8ln2/3

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6. f(x)g(x)+h(x) = 20x3-4x. This answer is arrived at by using the rules of algebra and the values of the given functions.

7. f(x)g(x) = -15x2 - 18x - 15

Polynomials are algebraic expressions consisting of variables and coefficients that are combined through addition, subtraction, multiplication and division operations. For example, the polynomial 4x² + 3x - 5 can be written as the sum of 4x², 3x and -5.

6. In order to calculate f(x) g(x)+h(x), it is necessary to first multiply f(x) and g(x). Since f(x)=4x and g(x) = 5x2-4, it follows that f(x)g(x)=20x3-4x. Next, it is necessary to add h(x) to this product. Since h(x) = 9x, it follows that f(x)g(x)+h(x) = 20x3-4x+9x = 20x3-4x. Since each coefficient is correctly represented in the answer, it follows that the correct answer is 20x3-4x.

Multiplying f(x) and g(x) gives the product of 20x3-4x, and adding h(x) to this product gives the sum of 20x3-4x. As each coefficient is correctly represented in the answer, the correct answer is 20x3-4x.

7. The product of two polynomials is found by multiplying each term of one polynomial by each term of the other polynomial. This is known as the FOIL method (First, Outer, Inner, Last).

The first term is the product of the first terms of each polynomial, which is 3x x 4x = 12x2.

The second term is the product of the outer terms, which is 3x x -5x = -15x2.

The third term is the product of the inner terms, which is 5 x -5x = -25x.

Finally, the fourth term is the product of the last terms of each polynomial, which is 5 x -3 = -15.

We can now combine the terms to get the product of the two polynomials, which is:

f(x)g(x) = -15x2 - 18x - 15.

Therefore, the correct coefficient for each term is -15x2 for the first term, -18x for the second term, and -15 for the third term.

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We will need to place three tablets of hydroxyzine 10 mg in Mrs. Stevens' med cart drawer for a 24-hour supply because her prescriber has instructed her to take it every eight hours.

Mrs. Stevens will need to take 10 mg of hydroxyzine three times per day (every eight hours) to comply with the prescription. We will need to figure out how many tablets of hydroxyzine 10 mg she will need for those three daily doses because we need to fill the drawer for 24 hours.

We will require a total of 30 mg per day for three doses, each of which contains 10 mg. Since we are filling it for 24 hours, that means we will need

for the entire day. There are 10 mg of hydroxyzine in each tablet., therefore,

However, as we are only using the drawer for three doses, we will require three 10 mg hydroxyzine tablets.

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Answer:

a) The perimeter of the room is the sum of the lengths of all four sides. The length of two opposite sides is 4x + 3, and the length of the other two opposite sides is 3x. Therefore, the perimeter is:

P = 2(4x + 3) + 2(3x) = 14x + 6

b) The area of the room is the product of the length, width, and height. The length is 4x + 3, the width is 3x, and the height is 3x. Therefore, the area is:

A = (4x + 3)(3x)(3x) = 27x^2 + 12x

c) If both the length and width are doubled, the new dimensions are 2(4x + 3) = 8x + 6 for the length and 2(3x) = 6x for the width.

a) The new perimeter is the sum of the lengths of all four sides:

P' = 2(8x + 6) + 2(6x) = 28x + 12

b) The new area is the product of the length, width, and height:

A' = (8x + 6)(6x)(3x) = 144x^2 + 72x

d) The new perimeter is not twice the original perimeter because:

P' = 28x + 12

2P = 28x + 12 + 28x + 12 = 56x + 24

Therefore, 2P is not equal to P', so doubling the length and width does not double the perimeter.

e) The new area is not twice the original area because:

A' = 144x^2 + 72x

2A = 2(27x^2 + 12x) = 54x^2 + 24x

Therefore, 2A is not equal to A', so doubling the length and width does not double the area.

The answer of the given question based on the supplementary angle is  the two angles are 58° degrees and 122° degrees.

An angle is a geometric figure that is formed by two rays or lines that share a common endpoint, called the vertex. The rays or lines are called  sides or arms of  angle. Angles are typically measured in the degrees or the radians.

The measure of an angle is determined by the amount of rotation needed to bring one of its sides into coincidence with the other side. A full rotation is 360° degrees, so an angle that is half of a full rotation is 180 degrees, an angle that is a quarter of a full rotation is 90° degrees, and so on.

Let's call the two angles "x" and "y". We know that they are supplementary, which means that their sum is 180° degrees:

x + y = 180

We also know that one angle (let's say "x") is two times the sum of the other angle (y) and 3:

x = 2(y + 3)

Now we can substitute the second equation into the first equation to eliminate "x":

(2(y + 3)) + y = 180

Simplifying the equation, we get:

3y + 6 = 180

Subtracting 6 from both sides, we get:

3y = 174

Dividing both sides by 3, we get:

y = 58

Now that we know "y", we can substitute it back into the equation for "x" to find its value:

x = 2(y + 3) = 2(58 + 3) = 122

Therefore, the two angles are 58° degrees and 122° degrees.

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Answer: 3x-2x or (3x)-(2x)

Write an expression that best represents the difference between triple and double a number?

Step-by-step explanation: HOPE THIS HELPS!

Answer:

3x-2x

Step-by-step explanation:

I hope you this is it

The mistake made by the student is (c) incorrect sign was used for the first term.

When using the distributive property, the expression 7(y-5) should be expanded as 7y - 35, not y - 35. The student incorrectly distributed the 7 to the second term only, while ignoring the first term, which led to an incorrect expression.

Approximately 95% of scores lie between -1.96 and 1.96 z-scores. This is because the area under the standard normal distribution curve between these two values is approximately 0.95.

To calculate this, first calculate the area under the standard normal distribution curve between -1.96 and 1.96. This can be done by using a Z-score table, which provides the area under the curve to the left of a given value. To calculate the area between -1.96 and 1.96, subtract the area to the left of -1.96 from the area to the left of 1.96. This is approximately 0.95.

Since the total area under the curve is 1, this implies that approximately 95% of scores lie between -1.96 and 1.96 z-scores. This is commonly known as the "95% Rule," and it is a useful way to quickly estimate the amount of scores that are within a certain range.

It is important to note that this calculation is only an approximation, as the exact value depends on the actual values that are used. Therefore, it is important to use a Z-score table with more accurate values if more precision is needed.

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a) an = 3n-1 · 2

b) an = 2·n

c) an = 5·n + 8

d) an = 4n-1 · 1

Let's dive deeper into the details below.
(a) The sequence 2, 5, 10, 17, 26 is a geometric sequence with common ratio 3 and a1 = 2. Therefore, the closed formula is an = 3n-1 · 2.

(b) The sequence 0, 2, 5, 9, 14 is an arithmetic sequence with common difference 2 and a1 = 0. Therefore, the closed formula is an = 2·n.

(c) The sequence 8, 12, 17, 23 is an arithmetic sequence with common difference 5 and a1 = 8. Therefore, the closed formula is an = 5·n + 8.

(d) The sequence 1, 5, 23, 119 is a geometric sequence with common ratio 4 and a1 = 1. Therefore, the closed formula is an = 4n-1 · 1.

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The area of triangle TUV with vertices T(-8,2), U(-2,8), and V(-9,9) are 13.4 units.

A triangle is a closed two-dimensional plane figure that has three sides, three angles, and three vertices. The sum of the angles of a triangle is always 180 degrees. Triangles can be classified based on the length of their sides and the size of their angles. Some common types of triangles include equilateral, isosceles, scalene, acute, obtuse, and right triangles. Triangles are a fundamental concept in geometry and are used in many areas of mathematics and science.

Here,

To find the area of triangle TUV, we can use the formula:

Area = 1/2 * base * height

We can choose any two sides of the triangle as the base and the corresponding height. Let's choose TU as the base and the perpendicular distance from V to TU as the height.

First, let's find the length of TU:

TU = √[(8 - 2)² + (-2 - (-8))²]

= √[6² + 6²]

= 6√(2)

Next, let's find the slope of TU:

mTU = (8 - 2) / (-2 - (-8))

= -3/2

The line perpendicular to TU passing through V has a slope equal to the negative reciprocal of mTU:

mVQ = 2/3

The equation of the line passing through V and perpendicular to TU is:

y - 9 = (2/3)(x + 9)

Solving for x and y at the point where this line intersects TU, we get:

y = (2/3)x + 19

(2/3)x + 19 = -3x/2 + 7

x = -8/7

y = 94/21

The perpendicular distance from V to TU is the absolute value of y - 8:

|94/21 - 8| = 2/21

So, the area of triangle TUV is:

Area = 1/2 * TU * (2/21)

= (1/21)√(2)

To find the area of rectangle QRS, we need to find the length and width. We can use the distance formula to find the length QR and the width QS:

QR = √[(9 - (-8))² + (9 - 2)²]

= √[289]

= 17

QS = √[(9 - (-9))² + (2 - 2)²]

= √[324]

= 18

So, the area of rectangle QRS is:

Area = QR * QS

= 17 * 18

= 306

Area of triangle QRS = Area of rectangle QRS - Area of triangle TUV

= 306 - (1/21)√(2)

≈ 13.4 units

So, the answer is (C) 13.

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Complete question:

Triangle TUV, with vertices T(-8,2), U(-2,8), and V(-9,9), is drawn inside a rectangle. What is the area, in square units, of the triangle TUV?

A. 7

B. 10

C. 13

D. 18

Answer:

26

Step-by-step explanation:

three and seven tenths times five

As per the concept of combination method, there are 22,100 different ways to draw three cards from a standard deck of 52 cards without replacement, where the order of the cards does not matter.

The number of ways to draw three cards from a deck of 52 cards without replacement can be calculated using combinations. A combination is a way of selecting a subset of objects from a larger set, where the order of selection does not matter. The number of combinations of r objects chosen from a set of n objects is given by the formula:

ⁿCₓ = n! / x!(n-x)!

Where n! (read as n factorial) is the product of all positive integers up to n. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.

In our case, we want to find the number of combinations of three cards chosen from a set of 52 cards. Using the formula above, we have:

⁵²C₃ = 52! / 3!(52-3)!

= (52 x 51 x 50) / (3 x 2 x 1)

= 22,100

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Divide your single screen window into four equal quadrants. You can do this by drawing two perpendicular lines that intersect in the center of the window.

To create the following four distinct drawings in a single screen window, with each occupying one quadrant of the window, follow these steps:

. Divide your single screen window into four equal quadrants. You can do this by drawing two perpendicular lines that intersect in the center of the window.

. In the first quadrant, draw a logarithmic spiral with a given value for k. To do this, start at the center of the quadrant and draw the spiral outwards, increasing the distance between the spiral lines as you move away from the center, according to the formula r = a * e^(k * theta), where r is the distance from the center, a is a constant, e is the base of the natural logarithm, k is the given value, and theta is the angle.

. In the second quadrant, create a distinct drawing that is different from the logarithmic spiral. This can be any other type of curve, shape, or pattern that you would like.

. In the third quadrant, create another distinct drawing that is different from the first two. Again, this can be any curve, shape, or pattern that you choose.

. In the fourth quadrant, create a final distinct drawing that is different from the first three. Make sure to choose a different curve, shape, or pattern for this quadrant as well.

By following these steps, you will have created four distinct drawings in a single screen window, each occupying one quadrant of the window, with the first quadrant featuring a logarithmic spiral with the specified value for k.

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The correct statement regarding the best measure of the variability is given as follows: The IQR is the best measure of variability, and it = 6. The Interquartile Range (IQR of a data-set. As it not affected by outliers, it is the best measure of variability of a data-set. The quartiles for this problem are given as follows: First quartile: Q1 = 15. Third quartile Q3 = 21. Hence the IQR is obtained as follows: IQR = 21 - 15 IQR = 6

Answer: The IQR is the best measure of variability, and it equals 6.

IQR is the best way to measure the variability in this question and its also equal to six. I took the test just now and got it right i cant really explain anything else.

Answer:

[tex]y-3=-\frac{3}{2}(x-2)[/tex]

Step-by-step explanation:

In order to find an equation that is parallel, it must have the same slope. This means the y intercept could literally be anything.

By equation of the line, we can write it in point slope form

[tex]y-y1=m(x-x1)[/tex]

where y1 and x1 are points on the coordinate plane and m is the slope.

We are already given the slope, so we just plug in the numbers.

[tex]y-3=-\frac{3}{2}(x-2)[/tex]

The probability that a randomly chosen college student will spend between $300 and $400 on clothing in a year is approximately 0.6645 or 66.45%.

To solve this problem, we need to standardize the given range of values using the z-score formula:

z = (x - μ) / σ

where x is the value of interest, μ is the mean, and σ is the standard deviation. For x = 300:

z = (300 - 310) / 50 = -0.2

For x = 400:

z = (400 - 310) / 50 = 1.8

Using a standard normal distribution table or calculator, we can find the probability of the z-score being between -0.2 and 1.8:

P(-0.2 ≤ z ≤ 1.8) = 0.6645

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passenger on the train spends approximately 4.65 seconds in the tunnel.

First, we need to convert the speed of the train from km/h to m/s (meters per second) since the length of the tunnel is given in meters. We can do this by dividing the speed in km/h by 3.6, which is the conversion factor from km/h to m/s:

Speed of the train = 120 km/h = (120/3.6) m/s = 33.33 m/s

Next, we can use the formula for time:

time = distance ÷ speed

where distance is the length of the tunnel, and speed is the speed of the train.

Plugging in the given values, we get:

time = 155 m ÷ 33.33 m/s ≈ 4.65 s

Therefore, a passenger on the train spends approximately 4.65 seconds in the tunnel.

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Part a: Expression for conventional account: $(5000-x) at 5%pa.

Part b: polynomial model: T =  5250  -  0.01x

Part c: Sum of investments in retirement account: T= $5245.

When they need to raise money, governments and businesses issue bonds.

a. Create an expression to show how much money is invested in the conventional account.

Back $(5000-x) at 5%pa

b. Construct a polynomial model in its simplest form to represent the entire sum of investments made by T. Kent after a year (possibility: thus every account has A + iA dollars, in Which a is the account's initial balance and I is the interest rate).

The bond will increase to after a year to : x + 0.04x

= x(1+0.04)

= 1.04x   ...eq 1

So, after the time of one year this traditional account growth will be-

(5000-x) + 0.05(5000-x)

= 5000 - x  + 0.05*5000  -  0.05x

= 5000  -  x  + 250  -  0.05x

= 5250  -  1.05x  ..eq 2

From eq 1 and eq 2

T = 1.04x + 5250  -  1.05x

T =  5250  -  0.01x

c. If Kent invested $500 in bonds, how much will he have in the retirement account in a year?

x=500

T= 5250  - 0.01*500

T= 5250 - 5

T= $5245

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Answer:

290

Step-by-step explanation:

I used desmos to graph the equations and this is what I got. Let me know if I've done a typo.