Use the point slope formula to write an equation on the line given and the following information write the final answer in slope intercept form the line passes through the point (-4, 1)and a parallel to the line y= 3x+1

Use The Point Slope Formula To Write An Equation On The Line Given And The Following Information Write

Answers

Answer 1

An equation of a line parallel to that passes y = 3x + 1 through the point (-4, 1) is y = 3x + 13.

How to determine an equation of this line?

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

x and y represent the data points.m represent the slope.

Since the line is parallel to y = 3x + 1, the slope is equal to 3.

At data point (-4, 1) and a slope of 3, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - 1 = 3(x - (-4))  

y - 1 = 3(x + 4)

y = 3x + 12 + 1

y = 3x + 13

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Related Questions

What value of x is in the solution set of the inequality 8x – 6 > 12 + 2x?

Answers

Answer:

Step-by-step explanation:

We want to find the value of x that satisfies the inequality:

8x - 6 > 12 + 2x

First, we can simplify the expression by combining like terms:

6x > 18

Next, we can isolate x by dividing both sides of the inequality by 6:

x > 3

Therefore, the solution set for the inequality is all values of x greater than 3.

What us the median of this data set 22 37 49 15 72

Answers

Answer:

37

Step-by-step explanation:

Answer: 37

Explanation:
Order the numbers from least to greatest.
15 22 37 49 72
Middle number is 37!

answer 2-4 and 8-20 please it does not need to be correct but please havve them be plausible answers

Answers

The algebraic values of x include:

2. 51   3. 50  4. 82simplest radical form: 8. 2√85       9. √89      10. 2√181     11. 2√181       12.  3√5       13. 10√516. right triangle.17. not a right triangle.18. not a right triangle.19. acute     20.  acute

How to calculate sides of a triangle?

Using the same reasoning as in the previous problem:

24² + 45² = x²

576 + 2025 = x²

2601 = x²

x = ±51

Since x represents a length, discard the negative solution. Therefore, the value of x is 51.

Using the Pythagorean Theorem:

30² + 40² = x²

900 + 1600 = x²

2500 = x²

x = ±50

Since x represents a length, discard the negative solution. Therefore, the value of x is 50.

Using the Pythagorean Theorem:

18² + 80² = x²

324 + 6400 = x²

6724 = x²

x = ±82

Since x represents a length, discard the negative solution. Therefore, the value of x is 82.

Using the Pythagorean Theorem:

18² + 4² = x²

324 + 16 = x²

340 = x²

x = √340 = 2√85

Therefore, the value of x is 2√85 in simplest radical form.

Using the Pythagorean Theorem:

8² + 5² = x²

64 + 25 = x²

89 = x²

x = √89

Therefore, the value of x is √89 in simplest radical form.

Using the Pythagorean Theorem:

20² + 18² = x²

400 + 324 = x²

724 = x²

x = √724 = 2√181

Therefore, the value of x is 2√181 in simplest radical form.

Using the Pythagorean Theorem:

25² + 3² = x²

625 + 9 = x²

634 = x²

x = √634

Therefore, the value of x is √634 in simplest radical form.

Using the Pythagorean Theorem:

3² + 6² = x²

9 + 36 = x²

45 = x²

x = √45 = 3√5

Therefore, the value of x is 3√5 in simplest radical form.

Using the Pythagorean Theorem:

22² + 4² = x²

484 + 16 = x²

500 = x²

x = √500 = 10√5

Therefore, the value of x is 10√5 in simplest radical form.

To determine if a triangle is a right triangle, we can use the Pythagorean Theorem, which states that for any right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. Therefore:

a² + b² = c²

Substituting a = 8, b = 15, and c = 17:

8² + 15² = 17²

64 + 225 = 289

289 = 289

Since the equation is true, the triangle satisfies the Pythagorean Theorem and is therefore a right triangle.

Using the same method:

27² + 36² = 45²

729 + 1296 = 2025

2025 ≠ 2025

Since the equation is false, the triangle does not satisfy the Pythagorean Theorem and is therefore not a right triangle.

Using the same method:

9² + 11² = 4²

81 + 121 = 16

202 ≠ 16

Since the equation is false, the triangle does not satisfy the Pythagorean Theorem and is therefore not a right triangle.

To determine the classification of this triangle, compare the lengths of its sides. If all sides are less than the sum of the other two, then the triangle is acute; if one side is greater than or equal to the sum of the other two, then the triangle is obtuse; and if one side is equal to the sum of the other two, then the triangle is degenerate (a straight line).

Substituting a = 3, b = 4, and c = 6:

a + b = 3 + 4 = 7 < c

b + c = 4 + 6 = 10 > a

a + c = 3 + 6 = 9 > b

Since none of the sides are equal to or greater than the sum of the other two, the triangle is acute.

Substituting a = 9, b = 11, and c = 16:

a + b = 9 + 11 = 20 < c

b + c = 11 + 16 = 27 > a

a + c = 9 + 16 = 25 > b

Since none of the sides are equal to or greater than the sum of the other two, the triangle is acute.

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Image transcribed:

Algebra Find the value of x.

1. 12, 9, x

To start, use the Pythagorean Theorem. Then substitute 9 for a, 12 for b, and x for c.

2. 45 24 x

3. 30, 40, x

4. 80, 18, x

Algebra Find the value of x. Express your answer in simplest radical form.

8. 18, 4, x

9. 8, 5, x

10. 20, 18, x

11. 25, 3, x

12. 3, 6, x

13. 22, 4, x

Is each triangle a right triangle? Explain.

16. 15, 17, 8

17. 27, 45, 36

18. 9, 11, 4

The lengths of the sides of a triangle are given. Classify each triangle as acute, right, or obtuse.

19. 3,4,6

To start, compare to a+b. Substitute the greatest length for c.

20. 9, 11, 16

Which fraction will form a proportion with 2/6?

Answers

. Any fraction that is equal to 1/3 will, therefore, create a ratio with 2/6 .

WHAT IS A FRACTION?

An element of a whole is a fraction. 2. It represents a number that characterizes the components of a whole .The numerator and the denominator are the two components of a fraction. The numerator, which is the number above the line, indicates the number of equally-sized portions taken from the entire. The number below the line, known as the denominator, indicates how many equally sized portions the whole is divided into.

WHAT DOES EQUAL FRACTION MEAN?

Equivalent fractions are fractions that express the same value but have various numerators and denominators. For instance, because they both represent half of a whole number 1, 2/4 and 3/6 are comparable fractions. We can multiply the numerator and denominator of a fraction by the same number 1, which will help us locate equivalent fractions. The fraction's value remains unchanged, but its form is altered.

Finding a fraction that is equal to 2/6 is necessary to build a proportion with this number.

By dividing the numerator and denominator by their greatest common factor, which is 2 , we can simplify 2/6 to achieve this.

This results in 1/3 . Any fraction that is equal to 1/3 will, therefore, create a ratio with 2/6 .

For instance, by multiplying both the numerator and denominator of 1/3 by 2, we obtain 2/6, which is the same as 1/3 , 4 as a result.

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A rectangular room has an area of 460460​ square feet. The length of the room is 33​ feet more​ than the width of the room. Find the length and width of the room, in feet, and separate them with a comma.

Answers

The length and width of the room are approximately 48.22 feet and 15.22 feet, respectively. We can write this as (48.22, 15.22).

What is length and width?

Length and width are two dimensions that are commonly used to describe the size of a two-dimensional object, such as a rectangle, a piece of paper, or a room.Length typically refers to the longer dimension of an object, while width refers to the shorter dimension. In the case of a rectangle, the length is the longer side of the rectangle, and the width is the shorter side.

For example, if a rectangle has a length of 8 inches and a width of 5 inches, we can say that the dimensions of the rectangle are 8 inches (length) by 5 inches (width).

In the given question,

Let's denote the width of the room as x. Then, according to the problem, the length of the room is 33 feet more than the width, which means the length is x + 33.

We know that the area of the rectangular room is 460 square feet. We can set up an equation using the formula for the area of a rectangle:

Area = length × width

Substituting the expressions we have for length and width, we get:

460 = (x + 33) × x

Expanding the right side, we get:

[tex]460 = x^2 + 33x[/tex]

Rearranging and setting the equation equal to zero, we get:

[tex]x^2 + 33x - 460 = 0[/tex]

We can solve this quadratic equation using the quadratic formula:

[tex]x = (-33 ± √(33^2 - 4*1(-460)) / (2×1)[/tex]

Simplifying under the square root, we get:

[tex]x = (-33 ± √(33^2 + 4×460×1)) / 2[/tex]

[tex]x = (-33 ± √19849) / 2[/tex]

[tex]x ≈ 15.22 or x ≈ -48.22[/tex]

Since the width of the room cannot be negative, we can ignore the negative solution. Therefore, the width of the room is approximately 15.22 feet.

Using the expression we found for the length of the room, we get:

Length = width + 33 = 15.22 + 33 ≈ 48.22 feet.

Therefore, the length and width of the room are approximately 48.22 feet and 15.22 feet, respectively. We can write this as (48.22, 15.22).

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The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested
money in a money market account. The value of your investment t years after 2000 is given by the exponential
growth model A = 5500e^0.063t. When will the account be worth $7536?

Answers

Answer: Therefore, the account will be worth $7536 approximately 16.5 years after 2000, which would be in the year 2016.

Step-by-step explanation: lG: user0316070

I need help with this problem

Answers

The area of the region enclosed by the curves given would be 16.67 square units.

How to find the area ?

To find the area enclosed by the curves y = e^x, y = e^(3x), x = ln(2), and x = ln(4), we will first find the intersection points of the functions and then calculate the area between the functions.

Intersection points of y = e^x and y = e^(3x): (0, 1)

Integrate the functions over these bounds to find the area between the curves:

Area = ∫[e^(3x) - e^x] dx from ln(2) to ln(4)

Find the antiderivative of e^(3x) - e^x:

Antiderivative = (1/3)e^(3x) - e^x

Now, plug in the bounds and calculate the area:

Area = [(1/3)e^(3ln(4)) - e^(ln(4))] - [(1/3)e^(3ln(2)) - e^(ln(2))]

Area = [(1/3)(4^3) - 4] - [(1/3)(2^3) - 2]

Area = [52/3] - [2/3]

Area = 50/3

Area = 16.67 square units

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what are the zeros of P(x) = 2x3 − x2 + 2x − 1

Answers

Answer:

The remainder is 0

Step-by-step explanation:

Using the remainder theorem,plug in the zeros of the factor into the polynomial.

The zeros of the factor—›x-1=0,x=1

Plugging 1 into the polynomial

P(1)=2(1)³+(1)²-2(1)-1=0

hope this helps :)

3
Mrs. Perry invests $3,900 into an account that pays 3.25% simple interest. She will not make any additional deposits or withdrawals.
How much interest in dollars and cents will Mrs. Perry earn on her investment at the end of 9 years?
Answer
Numeric Answer

Answers

After nine years, Mrs. Perry's investment will have generated an interest of $1140.75.

To calculate the interest earned on Mrs. Perry's investment, we can use the simple interest formula:

I = P * r * t

where I is the interest earned, P is the principal (the initial amount invested), r is the interest rate as a decimal, and t is the time in years.

In this case, P = $3,900, r = 0.0325 (3.25% expressed as a decimal), and t = 9 years. Substituting these values into the formula, we get:

I = $3,900 * 0.0325 * 9

I = $1140.75

Therefore, Mrs. Perry will earn $1140.75 in interest on her investment at the end of 9 years.

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What is the distance between (12, –7) and (–3, –7)?
10 units
14 units
15 units
19 units

Answers

Answer:

15 units

Step-by-step explanation:

The distance between two points in a two-dimensional coordinate system can be calculated using the distance formula, which is derived from the Pythagorean theorem. The distance formula is:

d = √((x2 - x1)^2 + (y2 - y1)^2)

where (x1, y1) and (x2, y2) are the coordinates of the two points, and d is the distance between them.

In this case, the coordinates of the two points are:

Point 1: (12, -7)

Point 2: (-3, -7)

Plugging these values into the distance formula, we get:

d = √((-3 - 12)^2 + (-7 - (-7))^2)

Simplifying further:

d = √((-15)^2 + (0)^2)

d = √(225 + 0)

d = √225

d = 15

So, the correct answer is 15 units.

x^2 - x - 6 solve by middle term break method​

Answers

Answer:

(x -3)(x + 2)

Step-by-step explanation:

Factorize by splitting the middle term:

x² - x - 6

Sum = - 1

Product = -6

Factors =  (-3) , 2

When we add the factors (-3) and 2, we get (-1) and when we multiply the factors (-3) * 2, we get (-6).

Rewrite the middle term using the factors,

x² - x - 6 = x² - 3x + 2x - 6  

Take out the common term 'x' from the first and second terms & also take out the common term 2 from the third and fourth term.

               = x(x - 3) + 2(x - 3)

               = (x - 3) (x + 2)

Who can solve this??

Answers

The decimal used to figure the price of their clothing is 2.1. This means that if the cost price of a piece of clothing is, say, $50, the store would be selling it for:

$50 x 2.1 = $105.

What is meant by a decimal?

A decimal system is a number system that uses a base of 10 and includes a decimal point to represent fractions or parts of a whole.

What is meant by cost price?

Cost price is the original price or cost of a product or service. It includes all costs incurred to produce or acquire the item, such as materials, labor, and overhead.

According to the given information

Markup is usually defined as the percentage increase from the cost price to the selling price. So, if the store has a 210% markup on the price of their clothing, this means that the selling price is 210% greater than the cost price. Let's assume the cost price of an item of clothing is $x. Then, the selling price would be: selling price = cost price + markup

selling price = x + 210%x

selling price = x + 2.1x

selling price = 3.1xTherefore, the selling price of the clothing is 3.1 times the cost price. To write this markup as a decimal, we need to divide it by 100:markup as a decimal = 210/100

markup as a decimal = 2.1

This means that if the cost price of a piece of clothing is, say, $50, the store would be selling it for:

$50 x 2.1 = $105.

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b. Passes through the point (2, -4) and is parallel to 3x + y = 5



c. Passes through the point (2, -4) and is perpendicular to 3x + y = 5

Answers

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

[tex]3x+y=5\implies y=\stackrel{\stackrel{m}{\downarrow }}{-3}x+5\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

so we're really looking for the equation of a line that has a slope oif -3 and it passes through (2 , -4)

[tex](\stackrel{x_1}{2}~,~\stackrel{y_1}{-4})\hspace{10em} \stackrel{slope}{m} ~=~ - 3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-4)}=\stackrel{m}{- 3}(x-\stackrel{x_1}{2}) \implies y +4 = - 3 ( x -2) \\\\\\ y+4=-3x+6\implies {\Large \begin{array}{llll} y=-3x+2 \end{array}}[/tex]

now, keeping in mind that perpendicular lines have negative reciprocal slopes

[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{ -3 \implies \cfrac{-3}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{-3}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{-3} \implies \cfrac{1}{ 3 }}}[/tex]

so for this one, we're looking for the equation of a line whose slope is 1/3 and it passes through (2 , -4)

[tex](\stackrel{x_1}{2}~,~\stackrel{y_1}{-4})\hspace{10em} \stackrel{slope}{m} ~=~ \cfrac{1}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-4)}=\stackrel{m}{ \cfrac{1}{3}}(x-\stackrel{x_1}{2}) \implies y +4 = \cfrac{1}{3} ( x -2) \\\\\\ y+4=\cfrac{1}{3}x-\cfrac{2}{3}\implies y=\cfrac{1}{3}x-\cfrac{2}{3}-4\implies {\Large \begin{array}{llll} y=\cfrac{1}{3}x-\cfrac{14}{3} \end{array}}[/tex]

WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

ARE SNAKES POISONOUS OR VENEMOUS?

25 PTS

Answers

Answer:

venomous

Step-by-step explanation:

Most snakes are venomous, as venom is injected from their bite.

A poisonous organism is one whose toxins are transferred when they are eaten, which is not the case for most snakes.

Answer:

they are both

Step-by-step explanation:

Poisonous snake and venomous snakes are really the same except, snake Poison is a toxin that gets into the body by inhaling, swallowing, or absorption through the skin. Snake venom is when the toxin is injected into you, like a cobra that uses its fangs to inject venom.

Which choice is equivalent to √8x√/10?
O A. √18
OB. √8.10
OC. 20
O D. √80

Answers

Answer:

D)

[tex] \sqrt{80} [/tex]

Step-by-step explanation:

[tex] \sqrt{8} \times \sqrt{10} = \sqrt{8 \times 10} = \sqrt{80} [/tex]

ALGEBRA Siciliano's Produce Market is expanding to a second
location. Their budget allows $5,000 per month to rent the
needed 7,500 square feet. What is the maximum that Siciliano's
can pay per square foot on an annual rate?

Answers

The maximum amount that Siciliano's Produce Market can pay per square foot on an annual rate is $8 per square foot.

How do we calculate maximum which Siciliano's can pay?

To find the maximum amount that Siciliano's Produce Market can pay per square foot on an annual rate, we need to convert the monthly budget into an annual budget.

Given:

Monthly budget: $5,000

Square footage needed: 7,500 square feet

To find the annual budget, we multiply the monthly budget by 12 (since there are 12 months in a year):

= Monthly budget * 12

= $5,000 * 12

= $60,000

Now, we can divide the annual budget by the total square footage needed to find the maximum amount that Siciliano's can pay per square foot on an annual rate:

= Annual budget / Total square footage

= $60,000 / 7,500 square feet

=  $8 per square foot.

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A kindergarten class has a maximum of $199 to spend on a trip to the aquarium. The cost of admission for students is $5, and adults must pay $7.
(a) Write a linear inequality that describes the various combinations of the number of students s and adults a that can go on the field trip.

Answers

linear inequality that describes the various combinations of the number of students s and adults:5s + 7a ≤ 199

WHAT IS LINEAR INEQUITY?

A linear inequality is an expression that uses the inequality symbols (, >,, or ) to compare two numbers. It involves a polynomial of degree 1 or less and a linear expression. ax + b c, where a, b, and c are real numbers and a 0, can be used to represent a linear inequality in one variable. ax + by c, where a, b, and c are all real numbers and a and b are not equal to zero, can be used to represent a linear inequality in two variables.

Student entrance is $5, while adult admission costs $7. Let's say there are and there are grownups going on the field trip, respectively.

The following equation can be used to represent the total cost of admission for s students and an adults:

Total cost is 5s plus 7a.

Since the class can only spend up to $199 on the excursion, we can write:

5s + 7a ≤ 199

The various permutations of the number of students and adults who may accompany you on the field trip are described in this inequality.

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David fits 9 ice cubes in his glass. Each ice cube has a volume of 1 cubic inch. David said that the glass has a volume of 9 cubic inches. Is he right?

Answers

The volume of the glass must be greater than 9 cubic inches to accommodate the 9 ice cubes.

What is the volume of a cube?

The volume of a cube is given by the formula:

V = s³

where "s" is the length of any side of the cube.

In other words, to find the volume of a cube, we just need to raise the length of any side to the third power.

No, David is not right. If he fits 9 ice cubes, each with a volume of 1 cubic inch, into the glass, then the total volume of the ice cubes is 9 x 1 = 9 cubic inches.

If the glass had a volume of 9 cubic inches, there would be no room for the ice cubes since they would completely fill the glass.

Therefore, the volume of the glass must be greater than 9 cubic inches to accommodate the 9 ice cubes.

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BRAINLIEST to whoever shows work

Answers

The length of BD is 15 units. The measure of angle ADB is 59° and the measure of angle DEC  is 59°.

What is meant by length?

Length is a physical dimension that measures the extent of an object or distance between two points. It is a scalar quantity, typically measured in units such as meters or feet, and is an essential concept in geometry and other branches of mathematics and science.

What is meant by measure?

Measure refers to a numerical value that represents the size, quantity, or extent of a mathematical object or set. It can be used to describe the length, area, volume, angle, or other properties of geometric figures, functions, or sets.

According to the given information

If EC = 15, find BD:

Now, consider triangle BDC. We know that angle BDC is 31 degrees, so angle BCD is 180 - 90 - 31 = 59 degrees.

Using the sine rule in triangle BCD, we have:

BD/sin(BDC) = CD/sin(BCD)

=> BD/sin(31) = x/sin(59)

using the sine rule in triangle AEC, we have:

AC/sin(theta) = CE/sin(180 - 2theta)

=> AC/sin(theta) = 15/sin(2theta)

But we also know that AC = BD ,So

BD/sin(theta) = 15/sin(2*theta)

Now, using the double angle formula for sine, we have:

sin(2theta) = 2sin(theta)*cos(theta)

Substituting this in the above equation, we get:

BD/sin(theta) = 15/(2*sin(theta)cos(theta))

=> BD = 15cos(theta)/2

But we also know that:

cos(theta) = AC/2EC = BD/2EC

Substituting this in the above equation, we get:

BD = 15BD/(22EC)

=> BD = 15*BD/60

=> BD = 15

Therefore, BD = 15 units.

Find angle ADB:

Consider triangle ABD. We know that AE is the bisector of diagonal AC, so angle BAE = angle DCE.

Also, since opposite angles of a rectangle are equal, we know that angle BAE = angle ADB.

Therefore, angle ADB = angle DCE.

Now we have:

angle DCE = 180 - angle BCE - angle BCD

=> angle DCE = 180 - 90 - 31

=> angle DCE = 59 degrees

Therefore, angle ADB = 59 degrees.

Find angle DEC:

Consider triangle DEC. We know that AE is the bisector of diagonal BD, so angle AEB = angle DEB.

Also, since opposite angles of a rectangle are equal, we know that angle AEB = angle AED.

Therefore, angle DEC = angle DEB - angle AED.

Now we have:

angle DEC = angle DEB - angle BEC

=> angle DEC = 180 - angle BCD - angle BEC

=> angle DEC = 180 - 31 - 90

=> angle DEC = 59 degrees

Therefore, angle DEC = 59 degrees.

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Question content area top
Part 1
Two machines in a factory are supposed to work at the same speed to pass inspection. On five random​ days, the number of items built by each machine is recorded in the table. The inspector believes that the machines should not pass inspection because the mean speed of Machine X is much faster than the mean speed of Machine Y. Which measure of center and variability should be used to compare the performances of each​ machine? Then explain why the inspector is correct or incorrect with decision.
Number of Items Built
Machine X
Machine Y
Question content area bottom
Part 1
Which measure of center and variability should be used to compare the performances of each​ machine? Select all that apply.
A.
Median
B.
Mean
C.
Range
D.
Interquartile range

Answers

Hence, the inspector is incorrect in her decision to not pass inspection based only on the mean speed comparison. A more comprehensive analysis of the data is required to arrive at a fair decision. Standard Deviation = 7.34.

To compare the performances of each machine, we can use measures of center and variability. The measures of center describe the central tendency of the data, while the measures of variability describe how spread out the data are.

For the given data, we can use the following measures of center and variability:

Measures of Center:

Mean: It is the average value of the data and is calculated by adding up all the values and dividing by the number of observations.

Median: It is the middle value of the data when arranged in order. It is less sensitive to outliers than the mean.

Measures of Variability:

Range: It is the difference between the largest and smallest values in the data.

Standard Deviation: It measures the spread of the data from the mean. A larger standard deviation indicates greater variability.

To compare the performances of each machine, we can calculate the mean and standard deviation for each machine separately.

Machine X:

Mean = (18+13+20+15+17)/5 = 16.6

Standard Deviation = 2.87

Machine Y:

Mean = (19+1+15+18+17)/5 = 14

Standard Deviation = 7.34

Based on the above calculations, we can see that the mean speed of Machine X is indeed higher than that of Machine Y. However, the standard deviation of Machine Y is much larger than that of Machine X. This indicates that the data points for Machine Y are more spread out and have more variability than those of Machine X.

Therefore, we cannot simply conclude that Machine X is performing better than Machine Y based on the mean values alone. We need to consider the standard deviation as well to get a complete picture of their performances.

Hence, the inspector is incorrect in her decision to not pass inspection based only on the mean speed comparison. A more comprehensive analysis of the data is required to arrive at a fair decision.

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The second, sixth twenty-second and last term of an increasing arithmetic progression taken in this order, form a geometric progression. Find the number of terms in the arithmetic progression.

Answers

There is no arithmetic progression that satisfies the given conditions.

What is arithmetic progression?

An arithmetic progression (AP) is a sequence of numbers in which each term after the first is obtained by adding a constant value to the previous term. This constant value is called the common difference of the arithmetic progression.

In the given question,

Let the common difference of the arithmetic progression be d, and let the second, sixth, twenty-second, and last terms be denoted by a + d, a + 5d, a + 21d, and a + nd, respectively (where n is the number of terms in the arithmetic progression).

Since the four terms form a geometric progression, we have:

[tex](a + d)(a + nd) = (a + 5d)(a + 21d)[/tex]

Expanding both sides and simplifying, we get:

a^2 + (n+1)d a + nd^2 = 26ad + 105d^2

Rearranging and simplifying, we get:

[tex]a^2 + (n+1)d a + nd^2 = 26ad + 105d^2\\a(n+1) = 79d[/tex]

Now we can use the fact that the last term is a + nd to find n in terms of a and d. The last term can be written as a + (n-1)d, but since the progression is increasing, we know that a + nd > a + (n-1)d, so n > 1. Therefore, we have:

a + nd = a + (n-1)d + nd > a + (n-1)d

Simplifying, we get:

[tex]a + nd = a + (n-1)d + nd > a + (n-1)d\\\\d > 0[/tex]

Now we can use the fact that the last term is a + nd to find n in terms of a and d. We have:

a + nd = a + (n-1)d

Simplifying, we get:

[tex]a + nd = a + (n-1)d\\nd = (n-1)d[/tex]

Dividing both sides by d (since d > 0), we get:

n = n-1

Solving for n, we get:

1 = -1

This is a contradiction, which means that there is no solution to this problem. Therefore, there is no arithmetic progression that satisfies the given conditions.

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Meredith bought 4 T-shirts and 2 pairs of pants. If x is the cost of one T-shirt and y is the cost of one pair of pants, she’ll have to multiply the number of T-shirts by x and the number of pants by y to find the total cost of the clothes.

Answers

If x is the cost of one T-shirt and y is the cost of one pair of pants, she’ll have to multiply the number of T-shirts by x and the number of pants by y, the total cost of the clothes would be $80.

What is cost?

Cost is measured by taking the total monetary expenditures associated with producing a good or service and dividing it by the quantity of goods or services produced.

The cost of the T-shirts and pants can be written as 4x + 2y.

This expression tells us that the cost is the sum of the cost of 4 T-shirts and 2 pairs of pants.

4x represents the cost of 4 T-shirts, each of which has the cost of x. Similarly, 2y represents the cost of 2 pants, each of which has the cost of y.

The expression 4x + 2y can be used to find the total cost of the clothes. To do this, the values of x and y must be known.

Once the values of x and y are known, the expression can be evaluated to find the total cost.

If x is $10 and y is $20, the total cost of the clothes will be

4x + 2y

= 4($10) + 2($20)

= $80. This means that the total cost of the clothes would be $80.

The expression represents the cost of 4 T-shirts and 2 pairs of pants, where x and y represent the cost of one T-shirt and one pair of pants respectively.

Once the values of x and y are known, the expression can be evaluated to find the total cost of the clothes.

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When rolling a die, what is the probability that it shows 6, given that the value is an even number? Give your answer as a fraction in simplest form.

Answers

The probability of rolling a 6 given that the value is an even number is 1/3.

How to find the probability that it shows 6,

There are three even numbers on a die: 2, 4, and 6. The probability of getting an even number is therefore 3/6 or 1/2.

Since the problem specifies that the value is even, we only need to consider the outcomes 2, 4, and 6. The probability of rolling a 6 out of those three outcomes is 1/3.

Using conditional probability, the probability of rolling a 6 given that the value is even is:

P(6 | even) = P(6 and even) / P(even)

P(6 and even) = 1/6 (only 1 way to roll a 6)

P(even) = 1/2

P(6 | even) = (1/6) / (1/2) = 1/3

Therefore, the probability of rolling a 6 given that the value is an even number is 1/3.

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Which statement and reason are missing in step 4?

Select the two correct answers

Answers

The given parallelogram is congruent by ASA property so option (A) and option (F) are correct.

What is parallelogram?

A parallelogram is a quadrilateral with two pairs of parallel sides. The opposite sides of a parallelogram are equal in length , and opposite angles are equal in measures. Also, the interior angles on the same side of the transversal are supplementary. The sum of all the interior angles equals to 360 degrees.

What is known by the term Congruent?

The word congruent means having exactly the same size and shape.

∠KMT=∠PTM ,∠KTM=∠PMT it is given so inorder to prove ΔKMT≅ΔPTM congruent included side must be equal that is TM=MT

So, by ASA property triangles are congruent.

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Find the surface area of the cone in terms of π.




180π cm2


108π cm2


144π cm2


90π cm2

Answers

Answer:

[tex]144\pi \: {cm}^{2} [/tex]

Step-by-step explanation:

Given:

d (diameter) = 12 cm

l = 18 cm

Find: A (surface area) - ?

First, we have to find the radius:

[tex]r = \frac{1}{2} \times d = \frac{1}{2} \times 12 = 6 \: cm[/tex]

Now, we can find the surface area:

[tex]a(surface) = \pi {r}^{2} + \pi \times r \times l [/tex]

[tex]a(surface) = \pi \times {6}^{2} + \pi \times 6 \times 18 = 36\pi + 108\pi = 144\pi \: {cm}^{2} [/tex]

Answer:

[tex]144\pi {cm}^{2} [/tex]

Step-by-step explanation:

The formula for the surface area of a cone is

[tex]s = \pi {r}^{2} + \pi \: rs[/tex]

Plugging given values r=6cm and s=18cm we get 144cm².

Who knows the answer??

Answers

106.04. 10 percent of 96.40 is 9.64, add each of them to get the awnser

A plane is traveling at a speed of 400 mph on a bearing of
150°. Express the velocity of the plane as a vector.

Answers

Answer:

(SEE ATTACHMENT)

Step-by-step explanation:

The velocity of the plane expressed as a vector is:

(-155 m/s) i^ + (89.5 m/s) j^

How to find the velocity in vector form?

We are given the parameters as:

Speed = 400 mph

Bearing = 150°

Converting to m/s gives:

400 mph = 179 m/s

Vertical component of velocity = 179 * sin 150 = 89.5 m/s

Horizontal component of velocity = 179 * cos 150 = -155 m/s

Thus, in vector form, we have:

(-155 m/s) i^ + (89.5 m/s) j^

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What is the value of x in the following equation:

((x + 5) / 3) + ((x - 7) / 4) = ((2x + 1) / 2)

Answers

Answer: To solve this, you'll need to find a common denominator and simplify the equation before solving for x.

The answer is: x = 23/5 or 4.6

Is given by The equation p= 175-0.02x where p is the price of the newspaper and x is the number of paper sold. The total revenue R from selling x units of a product is given by the equation r=XP find the revenue when 3000 newspapers are sold?

Answers

The revenue from selling 3000 newspapers is 345,000.

What is linear and quadratic equation?

When a variable's maximum power is 1, an equation is said to be linear. For instance, the linear equation y = mx + b, in which m denotes the line's slope and b its y-intercept, is a good illustration. A linear equation's graph is a straight line.

When a variable's maximum power is 2, the equation is said to be quadratic equation.

A linear equation's graph is a straight line, whereas a quadratic equation's graph is a parabola, which is the major distinction between the two types of equations. One solution exists for linear equations, whereas the discriminant determines whether there are two, one, or no genuine solutions for quadratic equations.

The given equation is p= 175-0.02x.

Also, we have the equation r=XP.

Now, total revenue is given as:

R = px

Substituting p in the equation we have:

R = (175 - 0.02x)x

Substituting the value of x = 3000 we have:

R = (175 - 0.02x)x

R = (175 - 0.02(3000))(3000)

R = 345000

Hence, the revenue from selling 3000 newspapers is 345,000.

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• 10%
5) An experiment consists of spinning the spinner shown below 200 times and recording the
results in a frequency table. Based on theoretical probability, how many times would you
expect the color blue or green to be spun?
BLUE
GREEN
YELLOW
REd

Answers

Based on their given probabilities, e would expect the color blue or green to be spun approximately 75 times in this experiment.

How many times can the blue or green color be obtained?

To find the expected number of times the color blue or green will be spun, we first need to add their probabilities:

0.25 + 0.125 = 0.375

This means that, on average, we would expect to see blue or green spun 0.375 times for every spin. To find the expected number of times this will happen over 200 spins, we can multiply the probability by the number of spins:

0.375 x 200 = 75

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