Please help I’ll mark you as brainliest if correct!

Answer:

The rate of change is M= -9/13 (M= negative nine over thirteen)

Step-by-step explanation:

Answer:

0

Step-by-step explanation:

Let's start by subtracting.

-c + 2-2 + c

We end up with..

-c + c

Now, let's combine like terms.

-c + c = -1c + 1c =

0

Hope this helped! :)

The area and perimeter of 2D shape of Rectangle is 6.8448cm and 11.04cm repectively. The area and perimeter of 2D shape of circle is 5.0761cm and 8.0028cm respectively.

2D shape of Rectangle with dimensions of Length is3.72 cm and Width is 1.84 cm. we can find the area of rectangle with formula Area = length x width and the formula of perimeter is Perimeter = 2(length + width).

Area = length x width = 3.72 cm x 1.84 cm = 6.8448 square cm (rounded to four decimal places)

Perimeter = 2(length + width) = 2(3.72 cm + 1.84 cm) = 11.04 cm

2D shape of Circle with dimension of diameter of 2.54 cm. we can find the area with formula Area = πr^2 and circumference with formula Circumference = 2πr

Radius = diameter / 2 = 2.54 cm / 2 = 1.27 cm

Area = πr^2 = π(1.27 cm)^2 = 5.0761 square cm (rounded to four decimal places)

Circumference = 2πr = 2π(1.27 cm) = 8.0028 cm (rounded to four decimal places)

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____The given question is incomplete, the complete question is given below:

Calculating area and circumference or perimeter of a 2D shape. Use your measurements to calculate the area and circumference of the circle and to calculate the area and perimeter of the rectangle. Rectangle Length: 3.72 cm Width: 1.84 cm  Circle : 2.54 cm Diameter of circle

Noting that the tip is one among the total sum charged on the bill is the best strategy for computing the required 20% tip using fractions.

aggregate attempting to determine the whole amount, time, or quantity. The amount at issue or under investigation is very active. the overall outcome, significance, or import. a third accounting, the principal, and the interest. There are word forms for quantities, amounting, and amounted. adaptable noun A thing's quantity is how much of it there is, that however much someone have, the amount you require or how much you can get. He needs that much money to make ends meet.

given

You can use a fraction to express the percentage 20%.

This is inferred from the fact that the sign for percentage,% means to divide by 100.

Therefore, it is important to understand that 20% equals 20/100, or 1/5.

As a result, the 20% tip represents one-fifth of the total.

Noting that the tip is one among the total sum charged on the bill is the best strategy for computing the required 20% tip using fractions.

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Answer:

If two chords intersect in a circle, then the product of the segments of one chord equals the product of the segments of the other chord.

6(3x) = 4(4x + 1)

18x = 16x + 4

2x = 4

x = 2

All of the given options are valid ways to earn money in Microworkers, except for submitting a review for a service you have not used. The correct option is "Submitting a review for a service you have not used."

Testing an app, translating a document, and data mining for a gardening company are all tasks that can be completed for compensation through the Microworkers platform.

However, submitting a review for a service you have not used is considered fraudulent and goes against the principles of the Microworkers community. It is important to maintain ethical practices when completing tasks for compensation in order to preserve the integrity of the platform. Therefore, "Submitting a review for a service you have not used." option is correct.

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The probable question may be:

All of these are valid ways to earn money in Microworkers, except

Testing an app

Submitting a review for a service you have not used

Translating a document

Data Mining for a gardening company

Trigonometry is the study of the properties of triangles and trigonometric functions and of their applications.  

I'm not sure how you'd want me to answer your question though, but stay safe!!

- eli <3

Answer:

3500.416

Step-by-step explanation:

Compound interest formula

A = A0(1 + r/n)^nt

3200(1 + 0.6%)^15

3200(1 + 0.006)^15

3200(1.006)^15

Answer:

casue i said so

Step-by-step explanation:

me coooooooooooooooooo

The graph of the inequality 3x + 5y < 15 is a dotted line with a slope of -3/5 and a y-intercept of 3. The region below the line is shaded to represent the solution set.

To graph the inequality 3x + 5y < 15, we first need to rewrite it in slope-intercept form, which is y = mx + b. In this case, we want to isolate y on one side of the equation.

Starting with the given inequality:

3x + 5y < 15

Subtracting 3x from both sides:

5y < -3x + 15

Dividing both sides by 5:

y < (-3/5)x + 3

Now that we have the inequality in slope-intercept form, we can graph it. The slope is -3/5, which means that for every unit increase in x, y decreases by 3/5. The y-intercept is 3, indicating that the line intersects the y-axis at (0, 3).

To graph the inequality, we can draw a dotted line to represent y = (-3/5)x + 3, as the inequality is less than (<) and not less than or equal to (≤). This means that the line itself is not included in the solution.

Next, we need to determine which side of the line represents the solution. Since y is less than the line, we shade the region below the line. This shaded region represents all the points that satisfy the inequality.

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Answer:

4

Step-by-step explanation:

1. 7(10-3)

7×7

49

2. 70-3

67

3. 5+20-3

25-3

22

4.5+2(7)

5+14

24

5+2(10-3)

5+2×7

5+14

24

The value of the car after 3 years is $79, 000

To determine the value, we have to use the formula;

Value = Initial value × (1 - Depreciation rate)ⁿ

Substitute the values given, we get;

Remaining value after 3 years = $100,000 × (1 - 0.10)³

Expand the bracket, we get;

Value after 3 years = $100,000 × (0.90)³

Find the cube value and substitute, we have;

Value after 3 years = $100,000 × 0.729

Multiply the values, we have;

Value after 3 years = $72,900

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1) Number of participants whose headache remained is: 62

2) The probability of randomly selecting an individual whose headache remained is: 0.4133

3) The probability of randomly selecting an individual whose headache remained and took a placebo is: 0.2933

From the table, we have the parameters as:

Number of participants that took medicine and headache went away = 120

Number of participants that took placebo and headache went away = 68

Number of participants that took and headache remained = 18

Number of participants that took placebo and headache remained = 44

1) Number of participants whose headache remained = 18 + 44 = 62

2) The probability of randomly selecting an individual whose headache remained is:

62/(62 + 120 + 68)

= 62/150

= 0.4133

3) The probability of randomly selecting an individual whose headache remained and took a placebo is:

44/150 = 0.2933

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Answer:

x=1

Step-by-step explanation:

Answer:

x=1

Step-by-step explanation:

x-1/5=x-1/2

2(x-1)=5(x-1)

2x-2=5x-5

-2=5x-5-2x

-2=3x-5

-2+5=3x

3=3x

1=x

x=1

The sampling distribution of the sample mean height and the sampling distribution of the sample range of height are 71.5 inches and 7 inches.

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

Heights: 68, 71, 72, and 75 inches

Now,

Mean height.

= (68 + 71 + 72 + 75) / 4  

= 286/4

= 71.5 inches

Sample range.

= Highest height - Lowest height

= 75 - 68

= 7 inches

Thus,

The mean height is 71.5 inches.

The sample range of height is 7 inches.

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The number of revolutions made by the wheel is 5.24 ≅ 5.  

One complete revolution is equal to 360 degrees, so to find the number of complete revolutions the wheel has made, we can divide the total number of degrees rotated by 360.    

Here we have

A wheel rotated by 1888°  

As we know One complete revolution is equal to 360 degrees

Hence, the angle can be rotated by the wheel in 1 rotate = 360°  

Let the wheel make 'x' revolution to make 1888°  

=> 360(x) = 1888

=> x = 1888/360

=> x = 5.24

Therefore,

The number of revolutions made by the wheel is 5.24 ≅ 5.    

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Answer:

-15°C < -13°C < -4°C < 0°C < 11°C < 12°C

Answer:

A. y = 2^x − 1 + 2

Step-by-step explanation:

Exponential functions have a horizontal asymptote. The equation of the horizontal asymptote is  y =  1 .

Horizontal Asymptote:  

y =  1

The price of a pair of tires is $130.56. We want to know the price of ten tires. Ten tires, is the same as five pairs of tires, then, since we know the price of a pair the price of five pairs will be just five times the price of the pair.

The price of five pairs is:

$652.80.

Answer:

339

Step-by-step explanation:

Add 329 by 10 then you will get this answer

The perimeter of the photo frame is 126.5  cm

The wooden photo frame is made by joining a square and an equilateral triangle on the top of the square

The side of the square = 25.3 cm

In the equilateral triangles all the sides of the triangle will be equal.

The wooden photo frame is made by joining a square and an equilateral triangle on the top of the square

Therefore the side of the equilateral triangle = 25.3 cm

Draw the the figure using the given details

From the figure we can see that the

Perimeter of the frame = 5a

Substitute the values in the equation

= 5×25.3

= 126.5 cm

Hence, the perimeter of the photo frame is 126.5 cm

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\(\textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{-1}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{-9} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{ -8}{2(-1)}~~~~ ,~~~~ -9-\cfrac{ (-8)^2}{4(-1)}\right) \implies\left( - \cfrac{ -8 }{ -2 }~~,~~-9 - \cfrac{ 64 }{ -4 } \right) \\\\\\ \left( -\cfrac{ 8 }{ 2 }~~,~~-9 + 12 \right)\implies (-4~~,~~3)\)

this is a parabola whose independent variable is "x", or the squared variable is "x", meaning is a vertical parabola, so its axis of symmetry will come from the vertex's x-coordinate, x = -4.

Solution

We have the following system of equations given:

2x - 3y = 21 (1)

-6x +2y = 7 (2)

Part a

We can multiple the first equation by 3 and we can add the result to equation (2) and we have:

6x -9y = 63

-6x +2y =7

____________

-7y = 70

y= 70/-7 = -10

Part b

We can multiply the first equation by 2/3 and we can add the result to the second equation and we got:

4/3x - 2y = 14

-6x +2y= 7

____________

-14/3 x = 21

x= -9/2 = -4.5

Part c

We can use other methods for example substitution in order to solve the problem. For example we can solve for x in the first equation and we have:

And replacing in the second one we got:

And after solve for x and y we got:

x= -9/2

y = -10

a.) The value of pulses exported by US in billion would be=30 billion.

b.) The ratio of wheat export of UK to maize export of IND would be= 6:5

For question a.)

To calculate the pulses, the following steps should be taken as follows:

From the bar chart, the value of pulses in billions = 30 billions.

For question b.)

The ratio of wheat export at UK and maize export at IND would be calculated as follows:

The quantity of wheat export at UK = 24

The quantity of maize export at IND = 20

Therefore, the ratio of wheat to maize = 24:20= 6:5

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1. We can see that the number in the bottom box is: 13.5yd.

2. The number in the top box is: 7.5yd.

3. The area of the table = 78.75yd²

A trapezoid, also known as a trapezium in some countries, is a quadrilateral shape that has only one pair of parallel sides. The parallel sides of a trapezoid are called the bases of the trapezoid, and the non-parallel sides are called the legs.

We see here that in order to get the number in the bottom box, we discover that the number in the top box is a square which means that all the sides are equal to 7.5yd.

Thus, the number in the bottom box = 3 + 7.5 + 3 = 13.5yd.

Thus, the area of the table, a trapezoid = 1/2(a + b)h

Where a = 7.5yd

b = 13.5yd

height, h = 7.5yd.

Thus, A = 1/2(7.5 + 13.5) 7.5 = 157.5/2 = 78.75

∴ Area of the table, A = 78.75yd²

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Number of countries would west Virginia be expected to have is  18 countries

The number of campgrounds that North Dakota has = 465 campgrounds

The number of countries = 12 countries

The number of campgrounds that West Virginia has = 711 campgrounds

Given that the North Dakota was proportional to West Virginia in the number of campgrounds to counties.

The proportion will be

465 / 12 = 711 / x

Divide the terms

38.75 = 711 / x

x = 711 / 38.75

Divide the terms

x = 18.4

x ≈ 18 countries

Hence, number of countries would west Virginia be expected to have is  18 countries

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The central angles for each category are approximately: Red: 100°, Blue: 150°, Green: 50° and Purple: 60°

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

To find the central angle of each category, we first need to calculate the total number of people:

Total = 20 + 30 + 10 + 12 = 72

Next, we can calculate the percentage of people who prefer each color:

Red: 20/72 = 0.278, or 27.8%

Blue: 30/72 = 0.417, or 41.7%

Green: 10/72 = 0.139, or 13.9%

Purple: 12/72 = 0.167, or 16.7%

To find the central angle for each category, we can multiply the percentage by 360°:

Red: 0.278 × 360° = 100.08°

Blue: 0.417 × 360° = 150.12°

Green: 0.139 × 360° = 50.04°

Purple: 0.167 × 360° = 60.48°

Therefore, the central angles for each category are approximately:

Red: 100°, Blue: 150°, Green: 50° and Purple: 60°

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