A refrigerator that originally costs $ 1,200 it's on sale for 15% off. Tax is 8%. What would be the sale price of this refrigerator be including tax

The values of the x in number line are  -7 -6 -5 -4.

According to the statement

We have to find that the numbers in the number line.

So, For this purpose, we know that the

A number line is a horizontal line that has equally spread number increments

From the given information:

The given equation is a x < -3 And a numbers givens On a Number Line are:

-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7

It means we have to find the numbers in a number line less than the -3.

we know that the large numbers with the negative sign are a smaller number and

the Small numbers with the negative sign are a larger number.

According to this,

The numbers -7 -6 -5 -4 are the values of the x less than the -3.

So, The values of the x in number line are  -7 -6 -5 -4.

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Using the Division Property of Inequality, Paige was able to get x > 12 and solve the inequality -1/2x > -6. Paige solve the inequality correctly.

Given that,

Using the Division Property of Inequality, Paige was able to get x > 12 and solve the inequality -1/2x > -6.

According to the division property of inequality, if we divide an equation's two sides by the same number, the equation doesn't change.

Let's say you have two identically sized pizzas. You divide each one into halves and serve your buddies one half of each pizza. You will have equal pieces of both pizzas left over if you measure the remaining portions.

-1/2x>-6

-1x>-6[tex]\times[/tex]2

-1x>-12

multiplying -1 on both sides we get

x>12

Therefore, Paige solve the inequality correctly.

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According to the given statement the perpendicular distance form the point  (4,3)  is 3.

Coordinate Geometry can be used to define points in space. The primary axis labeled a x- and y-axes is defined first, and then the points were measured and labelled in relation to these points. Furthermore, numerous geometric forms such as a line, curve, circle, ellipse, and hyperbola can be plotted inside the coordinate axes and their attributes studied.

the equation for line ℓ.

Begin by finding the slope of the line through the given points, (-3,0) and (3,0):

m = (Y₂ - Y₁)/(x₂ - x₁)

   = (0 - 0)/(-3 - (-3))

   = 0/0

The equation of the line using point (3,0) on the line:

Y - Y₁ = m(x - x₁)

putting value we get: (m = 0)

Y =0(x + x₁)

Y = 0

The equation of the line w perpendicular to line ℓ through P(4,3).

The slop of line l is 0.

hence this will be x- axis

and perpendicular distance from a point (x1,y1) to x- axis will be y1.

So the perpendicular distance form the point  (4,3)  is 3.

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Answer: id k if this was what you were looking for but i tried

Step-by-step explanation:

h=acute

rhp=acute

vhp=acute

v=straight angle

phv=acute

The original coordinates of flea were  (  5 , - 3) .

What does coordinate mean in this case?

F' = ( 4 , - 1 )

To undo translation of 9 units’ right and 4 units down, translate 9 units left and 4 units up

( 4, - 1 ) →  ( 4 - 9 , -1 + 4 )

           →   ( -5,3)

Reflect back across Y-axis to undo reflection means change x -coordinate by -1

(- 5,3)    →    ( 5, 3)

Reflect back across x-axis to undo reflection means change y-coordinate by -1

( 5 , 3) → (  5 , - 3)

Therefore the original coordinates of flea were (  5 , - 3)

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f(x) = −3x + 60 is the linear equation in function form to show the amount of trash removed each week.

Let x be the number of weeks and y be the trash removed

Then , the linear equation can be given as

y=mx+c

To find out the slope and intercept, let's have a look at the given conditions.

For week 5, we can write the equation as

45 = 5m +c ... (1)

For week 10, we can write the equation as

30 =10m +c ......(2)

Solving both the equation by elimination method

(45 = 5m +c) * 2

30 = 10m+c

c = 60

Now, finding the value of x by substituting value of c in eq (1)

45 = 5m + 60

-15 = 5m

m = -3

Now, the required linear equation becomes

y = -3x + 60

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Answer:

Pi is an irrational number, which means that it is a real number that cannot be expressed by a simple fraction.

Answer:

No

Step-by-step explanation:

It can not be a fraction because it is a never-ending/infinite decimal.

Step-by-step explanation:

-4x-6=-4x-4-2

-4x+4x=6-4-2

x=1

The names of the three angles are:

∠ABC = acute angle

∠FGH = right angle

∠QRS = obtuse angle

We have,

From the figure given,

The angles must be either right angles, acute angles, or obtuse angle.

Acute Angle: An acute angle is an angle that measures less than 90 degrees. It is smaller than a right angle.

Obtuse Angle: An obtuse angle is an angle that measures greater than 90 degrees but less than 180 degrees. It is larger than a right angle.

Right Angle: A right angle is an angle that measures exactly 90 degrees. It forms a perfect "L" shape and is typically denoted by a square corner symbol (∟).

Now,

The angle is less than 90 degrees.

∠ABC = acute angle

The angle is 90 degrees.

∠FGH = right angle

The angle is greater than 90 degrees.

∠QRS = obtuse angle

Thus,

The names of the three angles are:

∠ABC = acute angle

∠FGH = right angle

∠QRS = obtuse angle

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Answer:

qjjsHope this helps you.

The number of tacos that you can get if a drink cost $1.50 and each taco cost $.75 is 4.67.

5 = 1.50 + 0.75t

5 - 1.50 = 0.75t

3.50 = 0.75t

t = 3.50 / 0.75

t = 4.666666666666666

Approximately,

t = 4.67

Therefore, the number of tacos that you can get if a drink cost $1.50 and each taco cost $.75 is 4.67

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The line of best fit for the given points is:

y = 0.3913x + 39.26

The graph at the end of the answer shows both the scatter plot and the line.

Applying it's concept, taking points (60, 64) and (70,67), the slope of the line is of 0.3.

To find the equation, we need to insert the entire set of points (x,y) given by the scatter plot in the calculator.

From the table, the points are given as follows:

(60, 65), (53, 59), (44, 57), (61, 61), (70,67).

Inserting these points into the calculator, the line of best fit is given by:

y = 0.3913x + 39.26

The graph at the end of the answer gives both the line and the scatter plot(points without the line).

Given two points, the slope is given by change in y divided by change in x.

Taking points (60, 64) and (70,67), the slope is given by:

m = (67 - 64)/(70 - 60) = 3/10 = 0.3.

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The required value of x is 6 / 7.

What is the constant of proportion?

A constant of proportion is illustrated as the ratio which relates two given quantities with each other in the relationship of proportion. Constant of proportion is also called constant variation, rate of change, and constant ratio.

Solving for the value of y

let k be the constant of proportion

When a quantity varies directly with others, then we have a relation, y = kx     —-- 1

Now, find constant of proportion for given x = 2 and y = 7, we need to put these values in equation 1, i.e.

7 = k(2)

k = 7 / 2

Further calculate x for given y = 3 i.e.

3 = (7 / 2)x

x = 6 / 7

Hence, the required value of x is 6 / 7.

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The expression 3-14x is equivalent to -5+8-6x-8x.

The phrase has the same meaning as,

=-5+8-6x-8x

=(3)-(14x)

=3-14x

Any combination of terms that have undergone operations like addition, subtraction, multiplication, division, etc. is known  variable expression. Let's use the equation 5x + 7 as an example. Thus, 5x + 7 is an illustration of an algebraic expression.

There are three primary categories of algebraic expressions, including: Numeral Expression. Binary Expression of a polynomial.

Properties:

Hence, the expression 3-14x  is equivalent to -5+8-6x-8x.

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Answer: -14x + 13

Step-by-step explanation:

The dimensions of the rectangle:

Length = 12 inches

Width = 7 inches

Area of a rectangle = (length)(width)

Given the following:

Area of the rectangle = 84 square inches

Length = x + 3

Width = x - 2

Therefore:

(x + 3)(x - 2) = 84

Expand

x² + x - 6 = 84

x² + x - 6 - 84 = 0

x² + x - 90 = 0

Factorize

(x - 9)(x + 10) = 0

x = 9 or x = -10

Substitute x = 9 into each expression to find the dimensions of the rectangle:

Length = x + 3 = 9 + 3 = 12 inches

Width = x - 2 = 9 - 2 = 7 inches

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The values of x to make the triangle acute is [tex]2 < x < 2\sqrt{13}[/tex].

Triangle inequality theorem states that that the sum of any two sides of the triangle is greater than the third side of of the triangle

Pythagorean Inequality theorem states that if the square of the longest side  is less than the sum of squares of other two sides then the triangle is acute.

In the given question

Longest side = 2x

other two shorter side =  8 and 12.

By Triangle Inequality theorem

(i) 8+12>2x    ⇒20>2x  ⇒x<10

(ii) 2x+8>12  ⇒2x>4  ⇒x>2

(iii) 2x+12>8  ⇒2x>-4  ⇒x>-2

From (I), (ii) & (iii) we conclude that value of x should be in between 2<x<10.

To make the triangle acute

Using Pythagorean Inequality theorem

[tex](2x)^{2} < 8^{2} +12^{2} \\ \\ 4x^{2} < 64+144\\ \\ 4x^{2} < 208\\ \\ x^{2} < \frac{208}{4}[/tex]

[tex]x^{2} < 52\\ \\ taking. Square. Root . both . the . sides \\ \\ x < \sqrt{52} \\ \\ x < 2\sqrt{13}[/tex]

Therefore , the value of x to make the triangle acute is [tex]2 < x < 2\sqrt{13}[/tex].

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The simplified form of given expression 3√{27x^6y^4} is x³y²9√3

In this question, we have been given an expression 3\sqrt{27x^6y^4}

We need to simplify given expression.

3√{27x^6y^4}

= 3√{(3 × 9) x^6 y^4}

= 3√(3 × 9) × √x^6 × √y^4

= 3 (3√3) × x^(6/2) × y^(4/2)

= 9√3 × x³ × y²

= x³y²9√3

Therefore, the simplified form of given expression 3√{27x^6y^4} is x³y²9√3

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The reference angle of the angle of -240º is of 60º.

The sine of the angle is given by:

[tex]\sin{-240^\circ} = \frac{\sqrt{3}}{2}[/tex]

The first step towards finding the equivalent angle of a negative angle is finding it's positive equivalent, adding 360º to it, hence:

-240º + 360º = 120º.

Then we have to find the equivalent on the first quadrant. 120º is on the second quadrant, hence:

180º - 120º = 60º.

The reference angle of the angle of -240º is of 60º.

On the second quadrant, the sine is positive, hence:

[tex]\sin{-240^\circ} = \sin{60^\circ} = \frac{\sqrt{3}}{2}[/tex]

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The f(-3), f(0) , and f(1) is (-16/5), -2 and (-8/5).

The given function is f(x) = (2/5)x-2

1) f(-3) = x = -3

Substituting the value of x in the equation f(x) = (2/5)x - 2, we get -

f(-3) = (2/5)x - 2

f(-3) = (2/5)(-3) - 2

f(-3) = (-6/5) - 2

f(-3) = (-6 -10)/5

f(-3) = -16/5

2) f(0) = x = 0

Substituting the value of x in the equation f(x) = (2/5)x - 2, we get -

f(0) = (2/5)(0) - 2

f(0) = -2

3) f(1) = x = 1

Substituting the value fo x in the equation f(x) = (2/5)x - 2, we get -

f(1) = (2/5)(1) - 2

f(1) = (2/5) - 2

f(1) = (2 - 10)/5

f(1) = -8/5

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In Fluid Mechanics, we describe the motion of fluids using two different frames of reference- the Eulerian( fixed frame of reference wrt fluid particles; describes the rate of change of fluid flow property at a fixed position in space) and the Lagrangian (follows individual fluid particles and describes the rate of change of fluid flow properties of the particle as it passes through space).

A Material derivative is basically a Lagrangian way of expressing the rate of change of fluid flow property. It expresses the rate of change of fluid property wrt time and also the rate of change wrt space because of its movement at some velocity. It is best explained by John D Anderson jr. in his book "Computational Fluid Dynamics". He explains that the material derivative can be best understood by considering an example of imagining oneself entering a cold cave. The material derivative is the change in temperature you would feel as if you would just enter into the cave from the outside and precisely at the same time if someone throws snowballs at you. The rate of change of temperature because of your movement into the cave is the rate of change wrt space and that due to the snowball effect would be the rate of change w.r.t time.

Coming to the Reynolds Transport theorem is a powerful tool in fluid mechanics that relates the change in properties of a system to change in properties in a control volume. Since laws of thermodynamics are applicable to a system, the Reynolds transport theorem allows it to be applied to a control volume (fixed or moving, or deformable).

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The coordinates of the midpoint M of the segment AB are; (-4, 6).

It follows from the task content that points A and B have coordinates; (-8,5) and (0,7) respectively.

Since Midpoint is given as; {(x1 +x2)/2, (y1 +y2)/2}.

It follows that the midpoint in this scenario is;

= {(-8 +0)/2, (5 +7)/2}

= (-4, 6).

Ultimately, the midpoint is; (-4, 6).

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Answer:

See explanation

Step-by-step explanation:

f(x)=|x|

f(x) ==> f(x+3): translation of function 3 units to the left, f(x-3) would be translation 3 units right

f(x+3) ==> 3f(x+3): vertical stretch by a factor of 3

f(x+3) ==> -3f(x+3): Reflection over the x-axis, since y value changes over the x-axis while x value changes over the y-axis

-3f(x+3) ==> h(x)=-3f(x+3)+1: Translation one unit up.

The answer is Option B.

In the given choices there is some mistake so, the correct choice can be defined in the attached file. please find it.

In the given question, If the column of a matrix and the A span is equal, and then the value of A has a pivot in each row, that's why in each pivot its position in the different columns of A has the five pivot columns, that's why the choice B is correct.

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Although part of the question is missing the question is Suppose A is a 5x7 matrix. How many pivot columns must A have if its columns span R^5​? ​Why?

a. The matrix must have nothing pivot columns. If A had fewer pivot​ columns, then equation A would have only the trivial solution.

b. The matrix must have nothing pivot columns. The statements​ "A has a pivot position in every​ row" and​ "the columns of A span ​" are logically equivalent.

c. The matrix must have nothing pivot columns.​ Otherwise, equation A would have a free​ variable, in which case the columns of A would not span.

d. The columns of a 57 matrix cannot span because having more columns than rows makes the columns of the matrix dependent

The Average consumption per person in the country in the given year is 7.6 gallons

How to find average consumption?

Average is found by adding the several amounts together  and then dividing by the total number of amounts added.

Given that the annual consumption of fruit juice of a particular country = the total consumption by whole population in that year=  [tex]2.28*10^{9}[/tex]  gallons

Total population of that country in the given year = [tex]3.0*10^{8}[/tex]

Therefore Average consumption per person

                                                    =total consumption / total population

                                                      [tex]\frac{2.28*10^{9} }{3.0*10^{8} } \\=0.76*10\\=7.6[/tex]

This means the Average number of gallons consumed per person in the country in the given year is 7.6 gallons

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The value of 184 is 21th term value.

The difference between any two consecutive integers in an arithmetic progression (AP) sequence of numbers is always the same value.

The formula of Arithmetic progression is

a(n) = a1 + (n - 1)d

given that the terms of arithmetic sequence,

a2 = 4 and d = 9.

now find the which term is 184.

a(n) = a1 + (n - 1)d

now, substitute a(n) = 184, d = 9.

184 = 4 + (n - 1)9

184 = 4 + 9n -9

184 = -5 +9n

184 + 5 = 9n

n = 189/9

n = 21

Hence,the value of 184 is 21th term value.

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The slope of the line passing through the pair of points, (-2 , -4) and (1 , 2), is 2.

The slope, m, determines the steepness of a line. It can be measured by the vertical distance from one point to another divided by the horizontal distance of the same points. The formula for solving the slope is:

m = (y2 - y1)/(x2 - x1)

where m is the slope

x1 and y1 are the coordinates of one point

x2 and y2 are the coordinates of the 2nd point

Given two points in the line, (-2 , -4) and (1 , 2), plug in the values to the formula for the slope.

m = (y2 - y1)/(x2 - x1)

m = (2 - -4)/(1 - -2)

m = 6/3

m = 2

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A line segment is also a line but a line with finite length and fixed endpoints. The given statement "If point A lies in plane P, then AB↔ lies in plane P" can be sometimes true.

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.

A line segment is also a line but a line with finite length and fixed endpoints.

The given statement "If point A lies in plane P, then AB↔ lies in plane P" can be sometimes true. Because if Point A and B both lie on the same plane, p then line AB will lie on plane P. Therefore, the given statement "If point A lies in plane P, then AB↔ lies in plane P." will be true.

But if Point A lies on plane P, while point B lies on another plane, then line AB will not lie on plane P. Therefore, the given statement "If point A lies in plane P, then AB↔ lies in plane P." will be false.

Hence, The given statement "If point A lies in plane P, then AB↔ lies in plane P" can be sometimes true.

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The ratio of the volume of the large sphere to the volume of the small sphere is 125/8.

Given two spheres having surface areas of 100π square centimeters and 16π square centimeters, solve for the radius of each spheres using the formula for the surface area of sphere.

A = 4πr^2

Sphere 1 : 100π cm^2 = 4πr^2

r^2 = 25

r = 5 cm

Sphere 2 : 16π cm^2 = 4πr^2

r^2 = 4

r = 2 cm

Then, solve for the volume of each spheres using the formula:

V = 4/3πr^3

Sphere 1 : V = 4/3π(5cm)^3

V = 500/3 π cm^3

Sphere 2 : V = 4/3π(2cm)^3

V = 32/3 π cm^3

Getting the ratio of the volume of the large sphere to the volume of the small sphere,

ratio = 500/3 π cm^3 / 32/3 π cm^3

ratio = 125/8

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A triangle PRS is an equilateral triangle.

An equilateral triangle is a triangle whose all the three sides are equal and each angle measures 60º.

To construct an equilateral triangle:

1) First draw a ray PQ.

2) Then, with P as center and radius equal to 5 cm, draw an arc to cut ray PQ at R.

⇒ PR = 5 cm

3) Then, with R as the center and radius equal to 5 cm, draw an arc to intersect the initial arc at S.

4) Join PS and RS.

Now, the triangle PRS is an equilateral triangle with each side length of 5 cm.

Now mathematically we prove that the triangle we've constructed is an equilateral triangle.

PR = PS                   .......................(the radius of the arc is same)

PR = RS                  .......................(the radius of the arc is same)

Hence by transitivity property,

PR = RS = PS  which is 5 cm

Therefore, triangle PRS is an equilateral triangle.

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A typical shower drain can remove 480 gallons of water in 3 hours.

For the first-rate;

1,440 gallons in 3 hours

We calculate the unit rate.

By Dividing the total volume by the total time,

1440 / 3 = 480 gallons/ hours

For the second rate:

960 gallons in 120 minutes

Converting minutes to hours:

120 minutes = 2 hours

We calculate the unit rate.

By dividing the total volume by the total time,

960 / 2 = 480 gallons / hour

For the third rate:

720 gallons in 1.5 hours

We calculate the unit rate.

By dividing the total volume by the total time,

720 / 1.5 = 480 gallons / hour

Now,

480 gallons/ hour = 480 / 60 gallons/ minute = 80 gallons per minute

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