Step 1: –10 + 8x < 6x – 4
Step 2: –10 < –2x – 4
Step 3: –6 < –2x
Step 4: ________

What is the final step in solving the inequality –2(5 – 4x) < 6x – 4?

Answer:

9

Step-by-step explanation:

because the 9 is the highest point

I apologize for any confusion. Based on the information given, Brianna cannot use her sample data to form a valid inference about the town because it is not specified that her sample is random or representative of the entire population. Additionally, it is not clear what the population of the town is or how many people live in the town. The question is asking whether or not she can use her sample data to form a valid inference about the town based on the information given in the question. The answer is no, she cannot use her sample data to form a valid inference about the town.

On solving the question Interval notation and set builder notation is x≤ −4 , x≥ -3

This interval notation denotes that this set includes all real numbers between 8 and 12 where 8 is excluded and 12 is included. The set-builder notation is a mathematical notation for describing a set by representing its elements or explaining the properties that its members must satisfy.

We can write the given interval of a set in set builder form by using the required mathematical symbols and assuming a variable in each set. The interval given to us is \[\left( {6,12} \right)\] . Consider a symbol x to describe the element of the set or interval which is followed by a colon (:)

In set theory and its applications to logic, mathematics, and computer science, set-builder notation is a mathematical notation for describing a set by enumerating its elements, or stating the properties that its members must satisfy

Interval notation and set builder notation is x≤ −4 , x≥ -3

nterval notation is a way to describe continuous sets of real numbers by the numbers that bound them. Intervals, when written, look somewhat like ordered pairs. However, they are not meant to denote a specific point. Rather, they are meant to be a shorthand way to write an inequality or system of inequalities

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To convert XY coordinates to latitude and longitude in QGIS, you can use the "Layer > Save As" option in the main menu and select the "Lat Lon" option in the "CRS" (coordinate reference system) section or use the "Layer > Reproject Layer" option and select the destination CRS from the CRS list.

In QGIS, you can convert XY coordinates (also known as projected coordinates) to latitude and longitude (also known as geographic coordinates) using the "Layer > Save As" option in the main menu.

When you choose this option, a "Save Vector Layer As" dialog box will appear, in which you can select the "Lat Lon" option in the "CRS" (coordinate reference system) section.

Additionally, you can use the "Layer > Reproject Layer" option, if you have already loaded the layer in the map. By using this option you can select the destination CRS (Coordinate Reference System) from the CRS list.

It is important to note that to convert XY coordinates to latitude and longitude, QGIS needs to know the original projected coordinate system of the XY data, so it can accurately convert it to latitude and longitude. This information is called the "CRS" or "coordinate reference system" and is typically included with XY data in the form of a "PRJ" file or a metadata file.

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Answer: The graph represents the system of linear inequalities: {y≤2x−1 y>−2x+3

This can be determined by analyzing the slopes and y-intercepts of the lines represented by the inequalities.

The first inequality, y≤2x−1, represents a line with a slope of 2 and y-intercept of -1. This line will be a solid line because it includes the y=2x-1.

The second inequality, y>−2x+3, represents a line with a slope of -2 and y-intercept of 3. This line will be a dashed line because it does not include the y=-2x+3.

The graph of this system of linear inequalities will be a shaded area that is above the dashed line and below the solid line. This area represents the solution of the system. The other options do not represent the correct system of inequalities.

Step-by-step explanation:

Answer:

Step-by-step explanation:the answer is d

Answer:

252 my guy

Step-by-step explanation:

238 after absolute value is 238

-28 after absolute value is 28

-14 after absolute value is 14, but theres a negative infront of the number

therefore:

238+28-14

= 252

The shape forms a pentagon. The value of y is  84°.

What is a polygon?

In geometry, a polygon is any closed curve made up of a series of line segments (sides) joined so that no two segments cross. Triangles (three sides), quadrilaterals (four sides), and pentagons are the simplest polygons (five sides).

The shape ABCDE forms a petagon.

The interior angle of a pentagon is 108°

The interior angle of a hexagon is 120°.

The ∠ABC is an angle of a regular hexagon, thus ∠ABC = 120°.

The ∠BCD is the angle of a regular hexagon, thus ∠BCD =120°.

The ∠BAE is an angle of a regular pentagon, thus ∠BAE=108°.

The ∠AED is an angle of a regular pentagon, thus ∠AED=108°.

The sum of all interior angle of a pentagon is 540°

Therefore,

∠ABC + ∠BCD + ∠BAE + ∠AED +∠EDC = 540°

120° + 120° + 108° + 108° + y = 540°

456° + y = 540°

y =  540° - 456°

y = 84°

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Answer:

130 miles every week

Step-by-step explanation:

3 + 4 + 6

= 13

13 x 2

= 26

26 x 5

= 130

130 miles every week

Your welcome

Finding the factors of the polynomial expression in the equation and then setting each factor to zero is one way to solve equations.

A mathematical expression made up of coefficients and uncertainty that only makes use of additions, subtractions, multiplications, and positive integer powers of variables is known as a polynomial. The formula x2 4x + 7 denotes a single indeterminate x polynomial. An expression in mathematics known as a polynomial is made up of variables (also known as indeterminates) and coefficients that may be added, subtracted, multiplied, and raised to negative integer powers of non-variables. An algebraic statement with variables and coefficients is called a polynomial. An expression can only contain the operations addition, subtraction, multiplication, and non-negative integer exponents. Polynomials are the name for these expressions.

Finding the factors of the polynomial expression in the equation and then setting each factor to zero is one way to solve equations. The same procedure also applies in reverse. In other words, we can identify factors for the expression if we know the root of the function.

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The formula of the image of a line is( l−p)/a = (m−q)/b = -2(ap+bq+c)/√a²+b²

What is the image of a line?

Typically, a little dash is used to identify a point's reflection, such as A'. This is said with a "prime." As a result, line AB's reflection is known as A'B'. The reflection is referred to as line AB's "image."

Here,

We have to determine the formula of the image of a line.

We concluded that

The mirror's "reflection" of the specified point P causes it to appear at an equal distance away on the opposite side of the line. To see this, move point P. According to tradition, the "image" of point P is the reflection of point P across the line, which is designated by the term P' (pronounced "P prime").

Hence, the formula of the image of a line is( l−p)/a = (m−q)/b = -2(ap+bq+c)/√a²+b²

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The space left above the CD player of height 4 5/8 in. stacked on the amplifier of height 6 3/4 in. in the cabinet which has shelves of 12 1/2 in. apart calculated as mixed fractions is 1 1/8 inches.

A mixed fraction is a fraction that is specified using the value of the quotient (the whole number part) and a fraction consisting of the remainder divided by the divisor.

The distance between the shelves of the cabinet = 12 1/12 inches

The height of the amplifier on a shelve of the cabinet on top of which Katherine stacks the CD player = 6 3/4 inches

The height of the CD player placed on top of the amplifier = 4 5/8 inches

The dimensions of the distance between the shelves and the heights of the CD player and amplifier are specified in fractions.

The space left above the CD player can be found in fractions as follows;

The combined height of the CD player and the amplifier is therefore;

[tex]H = 4\frac{5}{8} +6\frac{3}{4} = (4 + 6) + \left(\dfrac{5}{8}+\dfrac{3}{4} \right)[/tex]

[tex](4 + 6) + \left(\dfrac{5}{8}+\dfrac{3}{4} \right)=10 + \left(\dfrac{5+2\times 3}{8} \right) = 10 + \dfrac{11}{8}[/tex]

[tex]10 + \dfrac{11}{8} = 10 + 1\dfrac{3}{8} = 11\frac{3}{8}[/tex]

The space above the CD player is therefore;

[tex]12\frac{1}{2} - 11\frac{3}{8} = 12 - 11 + \left(\dfrac{1}{2} - \dfrac{3}{8} \right) = 1 + \left(\dfrac{4 - 3}{8} \right)[/tex]

[tex]1 + \left(\dfrac{4 - 3}{8} \right) = 1\frac{1}{8}[/tex]

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The value of x is 14.4 to the nearest tenth.

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem.

Given:

The triangle is a right-angled triangle.

Hypotenuse = 17 unit

Base = 9 unit

And perpendicular = x unit

Using Pythagoras' theorem,

Perpendicular = √{(hypotenuse)² - (base)²}

Perpendicular = √{(17)² - (9)²}

Perpendicular = √{289 - 81}

Perpendicular = √208

Perpendicular = 14.422

Perpendicular = 14.4 to the nearest tenth.

Therefore, the value of x is 14.4

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The complete question is given in the attached image.

Answer:

77.3

Step-by-step explanation:

Cos = Adjacent/Hypotenuse

Adjacent = 2.25 & Hypotenuse = 10.25

So that means...

Cos = 2.25/10.25

*When you type in the calculator type Cos-1 (2.25/10.25).

The answer is 77.319....

When you round it, it would become 77.3°.

Hope it's helpful.

Reduced by 6%

In the first shift, they purchased 600 parts

the second time they purchased 564 parts

here the second year they purchased a percentage

-> second shift/first shift*100 of the first year

so it shows there is a reduction of 100-94 = 6%

As the second shift purchased 94 of them as compared to 100 in the first shift, So by this we can draw the inference that there is a drop of 6%.

Percent is the number out of 100 so here 36 parts are less than in the case of 600 which shows 6%. Moreover, the percentage gives a clear idea in terms of 100 which is more familiar as compared to their figures.

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Answer:A

Step-by-step explanation:

.

Answer:

(-1,0)

Step-by-step explanation:

See attached graph.  Use a free site such as DESMOS for graphing.

Given the rule of the Angles on a straight line ∠COD is equal to 30°

Recall that the sum of angles on a straight line is 180°

This means that

3x+94 +x + 18 + 2x-4 = 180°

Let's solve your equation step-by-step.

3x+94+x+18+2x−4=180

Step 1: Simplify both sides of the equation.

3x+94+x+18+2x−4=180

3x+94+x+18+2x+−4=180

(3x+x+2x)+(94+18+−4)=180 (Combine Like Terms)

6x+108 = 180

6x+108=180

Step 2: Subtract 108 from both sides.

6x+108−108=180−108

6x=72

Step 3: Divide both sides by 6.

6x/6 = 72/6

x=12

Since x = 12, therefore,  ∠COD is:

12 +18 = 30°

Thus ∠COD according to the sum of angles on a straight line is = 30°

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The slope of the given expression is calculated using slope-intercept form. And the answer is 0.

How steep a line is or how much y climbs as x rises is determined by its slope. Slope compares changes to the y-axis, or the vertical axis, with changes to the x-axis, or the horizontal axis. The ratio of any two y values to any two x values can be used to calculate it.

By slope intercept, the standard equation is written as y=mx+b. Here, b is considered as the y-intercept, and m is considered as the slope. Then, the slope is calculated by comparing the given expression with this.

From the given expression, y = -6, we can tell the value of x is zero, the slope is also zero, and the y-intercept b is -6. Therefore, the required answer is 0.

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Answer:

1/128 or 0.0078125, round as needed

Step-by-step explanation:

✨calculator✨

An isosceles right triangle has a perimeter of 16 square centimeters since the hypotenuse is 8 length.

A boundary is a closed path that surrounds, delimits, or includes a two-dimensional shape or a one-dimensional length. The outermost part of a circle or an ellipse is called the perimeter. The perimeter calculation has numerous real-world applications. A shape's perimeter is the measurement of its edge's radius. Discover how to calculate the perimeter by adding together the lengths of the sides of various forms. The perimeter of any shape can be calculated by multiplying its side lengths. An object's perimeter is the region that surrounds it. A good illustration of this at your house is a closed-off garden. Its perimeter is the space encircling something. For a 50 by 50 foot yard, a 200 foot fence will be required.

given

AC (hypotenuse) = 8 cm. ,

AB^2+BC^2 = AC^2

x^2+x^2 = 8^2

2x^2 = 64

x^2= 64/2=32

x = 4.2^1/2 cm.

Perimeter = {8 +4.(2)^1/2+4.(2)^1/2}

= {8+8.(2)^1/2}

=8(1+2^1/2) cm.

Area =( base×altitude)/2= (4.2^1/2×4.2^1/2)/2 = 16sq.cm.

An isosceles right triangle has a perimeter of 16 square centimeters since the hypotenuse is 8 length.

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By using a trigonometric relation, we will see that the value of x is 60.57°

On the image, we can see a right triangle where x represents one of the angles.

We can see that the length of the two catheti are shown, such that the adjacent cathetus is 2.2, and the opposite cathetus is 3.9, then we can use the trigonometric relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

Then we can write:

tan(x) = 3.9/2.2

Using the inverse tangent function in both sides, we will get:

Atan( tan(x)) = Atan(3.9/2.2)

x = Atan(3.9/2.2) = 60.57°

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Answer:

what is the difference between 880 and 580

The equation is y=12x.

It takes 24 minutes for the rock climber to get to 288 feet.

The calculation is as follows:

here we know that

One hour = 60 minutes

so, by dividing 720 from 60 we get 12

here we assume  the time in minutes be x

So, the equation is

y = 12x

288=12x

288/12 = 12x/12

24 = x

Create an inequality where x represents the weight of the bobsled and y represents the weight of the three men. Graph the inequality below. Include proper labeling on each axis, units and shading.

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Perpendicular is an angle of 90° to a given line, plane, or surface means.

the equation is : y = ax+b

the equation is : y = ax+b

the slope is a : a×(1/4) = -1......( perpendicular to a line with a slope of 1/4) because

y=x/4 -2 means y = (1/4)x -2... the slope is : 1/4

but : a×(1/4) = -1 so : a = - 4 y= - 4x+b

the line that passes through (4, -1)

-1 =-4(4)+b

b = 15

the equation is : y = - 4x+15

Answer:

y= 3 2/4

Step-by-step explanation:

2 1/4 + 3 2/4 = 5 3/4

Answer: y= 7/2 = 3 1/2 = 3.5

Step-by-step explanation:

2 1/4 +y=5 3/4

Multiply both sides of the equation by 4.

2×4+1+4y=5×4+3

Multiply 2 and 4 to get 8.

8+1+4y=5×4+3

Add 8 and 1 to get 9.

9+4y=5×4+3

Multiply 5 and 4 to get 20.

9+4y=20+3

Add 20 and 3 to get 23.

9+4y=23

Subtract 9 from both sides.

4y=23−9

Subtract 9 from 23 to get 14.

4y=14

Divide both sides by 4.

y= 14/4

Reduce the fraction 14/4 to lowest terms by extracting and canceling out 2.

y= 7/2

​

It is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm because the sum of two sides are greater than three sides.

In the given question, we have to check that it is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm.

The sum of the two sides must always be greater than the third side in order to determine whether or not the given sides may form a triangle.

To check this we firstly add the 18 and 24

18 + 24 > 30

42 > 30

Now we add 18 and 30

18 + 30 > 24

48 > 24

Now we add 24 and 30

24 + 30 > 18

54 > 18

It is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm because the sum of two sides are greater than three sides.

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The percentage of employees in Restaurant B is 28%

The term percentage in math is known as a relative value indicating hundredth parts of any quantity.

Here we have given that a group of 25 employees want to go out for a group dinner. And here we have also given the 18 employees want to go to Restaurant A and 7 employees want to go to Restaurant B.

Here let us consider that x be the percentage of employees works on Restaurant B.

Then the value of x is calculated as,

=> 7/25 x 100

=> 0.28 x 100

Therefore, the percentage of employees is 28%.

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