Karen should order 41 square meters of carpet, and the cost will be $1,024.59 (taxes included).
Describe Algebraic Expression?An algebraic expression is a mathematical phrase that consists of variables, numbers, and mathematical operations such as addition, subtraction, multiplication, and division. It is a combination of constants, variables, and operators that represent a value or a relationship between values.
For example, "3x + 5" is an algebraic expression where "3" and "5" are constants, "x" is a variable, and "+" is an operator. The expression can be evaluated by substituting a value for "x" and performing the necessary operations.
Algebraic expressions can also be simplified by combining like terms and using the rules of arithmetic to simplify the expression. For instance, the expression "2x + 3x" can be simplified to "5x" by adding the coefficients of the like terms "x".
Algebraic expressions are used extensively in algebra to represent equations and relationships between variables. They are also used in a wide range of mathematical and scientific applications, including physics, engineering, and finance.
To calculate the amount of carpet Karen needs to order, we first need to convert the measurements of her living room from feet to meters:
Length: 18 feet = 5.4864 meters (rounded to four decimal places)
Width: 24 feet = 7.3152 meters (rounded to four decimal places)
To find the area of the living room in square meters, we multiply these two values:
Area: 5.4864 meters x 7.3152 meters = 40.0637 square meters (rounded to four decimal places)
Since Karen can only order full square meters of carpet, she should order 41 square meters (to be safe).
To calculate the cost of the carpet, we simply multiply the area by the cost per square meter:
Cost: 41 square meters x $24.99/square meter = $1,024.59
So Karen should order 41 square meters of carpet, and the cost will be $1,024.59 (taxes included).
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What is the shape of the graph of the function? g(x)=6 x (8/3)^x
The graph of the function [tex]g(x) = 6.(\frac{8}{3})^x[/tex] is an exponentially growing function.
What is the formula for exponential growth and exponential decaying function?The formula for exponential growth is [tex]y = y_0.e^{(kt)}.[/tex]
The formula for exponential decay is [tex]y = y_0.e^{(-kt)}[/tex].
Given, An exponential function [tex]g(x) = 6.(\frac{8}{3})^x[/tex].
The graph of the function has a y-intercept of 6 and it is an exponentially growing function for all positive values of 'x'.
To obtain the intercept we set x = 0, Therefore, [tex]g(0) = 6.(\frac{8}{3})^0[/tex],
[tex]g(0) = 6[/tex].
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“Find the length of a side of an equilateral triangle of area 10.2 m^2”
The length of the equilateral triangle = 4.8m
Given that,
The area of the equilateral triangle = 10.2 m²
The formula for the area of an equilateral triangle = [tex]\sqrt{3} /4 a^{2}[/tex]
Therefore,
[tex]\sqrt{3} /4 a^{2}[/tex] = 10.2
[tex]a^{2}[/tex] = 10.2 × [tex]4/\sqrt{3}[/tex]
[tex]a^{2}[/tex] = 10.2 × 4/ 1.732
[tex]a[/tex] = 4.85
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box plot and percentages
The statements supported by the random samples of the amount of time spent shopping, as shown on the box plot are :
A. About 25 % of shoppers in Group A spent 30 minutes or less shopping. Group A had a greater variability in the number of minutes spent shopping.What does the box plot show ?For Group A, the box begins at 30 minutes. This means that 25 % of those in group A spent 30 minutes or less when shopping. For Group B, this can be said to be less than 25 %.
Group A had a longer box than Group B and what this is meant to show is that Group A had greater variability in the data ( number of minutes spent shopping ) than Group B.
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CROWN PLEASE HELP ME (ALSO PLEASE SEPARATE IT)
Answer: WVZ=84 XVW=84 IFH= 14 EFG= 58
Step-by-step explanation:
9x-15=5x+29- do 9-5 to get 4x then 29+5 to get 44 then divide 44 by 4
6x+25=2x+3- do 6-2 to get 4x then 3-25 to get -22 then divide -22 by 4
Find and balance the account :
$4,800 principal earning 1%, compounded semi-annually, after 24 years
A $6,094.73
B $6,098.35
C $5,410.37
D $232,704.00
Answer: B - $6,098.35
Step-by-step explanation:
This is a compound interest question. The compound interest formula is:
A = P ( 1 + r/n)^nt
A = Future amount of investment
P = Starting amount of investment
r = Rate of interest
n = Number of times interest compounds per year
t = Time (Years)
You must turn the percentage (1%) into a decimal by dividing by 100
1/100=.01
So, the equation for this question is:
A = 4,800(1+[tex]\frac{.01}{2}[/tex])^(2)(24)
A = 4800(1.005)^48
A = 4800(1.2704891611)
A = 6,098.35
YQ and XP are altitudes to the congruent sides of isosceles triangle △WXY.
The correct statements about the given isosceles triangle are: (B) YQ = XP, (C) ∠WXY = ∠WYX, (D) WQ/QX = WP/PY, (E) PQ ║ XY, and (F) ∠PXY = ∠QYX.
What is an isosceles triangle?An isosceles triangle in geometry is a triangle with two equal-length sides.
It can be stated as having exactly two equal-length sides or at least two equal-length sides, with the latter definition containing the equilateral triangle as an exception.
The isosceles right triangle, the golden triangle, the faces of bipyramids, and some Catalan solids are all examples of isosceles triangles.
Isosceles triangles were first studied mathematically in Babylonian and Egyptian mathematics.
Isosceles triangles are commonly employed in architecture and design, such as in building pediments and gables, and have been utilized as ornamentation since much earlier periods.
Then, according to the given image, the true statements for the following isosceles triangle can be:
YQ = XP
∠WXY = ∠WYX
WQ/QX = WP/PY
PQ ║ XY
∠PXY = ∠QYX
Therefore, the correct statements about the given isosceles triangle are: (B) YQ = XP, (C) ∠WXY = ∠WYX, (D) WQ/QX = WP/PY, (E) PQ ║ XY, and (F) ∠PXY = ∠QYX.
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Gabrielle wanted to spend at most $100 on new school clothes this year. But after spending $65.50 on shirts, she picked out a pair of pants that will put her over budget. Let x represent the cost of the pants. Which inequality describes the problem? Solve the inequality. Then, complete the sentence to describe the solution. The pants cost more than $ .
Answer: The pants cost more than $34.5
Step-by-step explanation:
Find the values of x and y. SHOW YOUR WORK!
⇒ 75° and (4x+9)° are co-interior angles which means when they are added they give 180°
[tex]75+(4x+9)=180\\4x=180-75-9\\4x=96\\\frac{4x}{4} =\frac{96}{4} \\x=24[/tex]
this simply means that x=24°
75° and 3y are corresponding angles, corresponding angels are equal.
this means that :
[tex]3y=75\\\frac{3y}{3} =\frac{75}{3} \\y=25[/tex]
this means that y=25°
goodluck
Is finding 9/8, subtracted by 1/2 the same as finding 9/10 subtracted by 1/4 subtracted by 1/4 ? explain .
pls helppppp its math and its pretty hard
A maintenance worker needs to wax a restaurant floor shaped like the image shown. A six-sided figure. There is a horizontal base of 35 feet then another horizontal base below it of 20 feet. The longest side is to the right and is 40 feet. The top is 30 feet. There is a perpendicular from the vertex of the top to the first base of 35 that is labeled 15 feet. If the wax cost $1.38 a square foot, how much will the wax cost to cover the floor? $1,224.75 $1,569.75 $2,104.50 $2,449.50
If the wax cost $1.38 a square foot, the cost of wax to cover the area of the floor is $1,569.75.
The correct option is B.
What is the total area of the floor?The total area of the floor is calculated from the shape of the floor.
The floor is made up of a trapezoid and a rectangle.
The area of a trapezoid can be calculated as:
A = (a + b)/2 * h
where
a and b are the lengths of the bases and h is the height.
The trapezoid has a height of 15 feet and bases of 35 feet and (20 - 20) or 10 feet. So its area is:
A = (35 + 10)/2 * 15
A = 337.5 square feet
The rectangle has a base of 20 feet and a height of 40 feet. So its area is:
A =20 * 40
A = 800 square feet
The total area of the figure is the sum of the areas of the trapezoid and triangle:
A = 337.5 + 800
A = 1137.5 square feet
Finally, to find the cost of the wax, we multiply the area by the cost per square foot:
Cost = 1137.5 * $1.38
Cost = $1569.75
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Diego rounded a number to the nearest whole number and got 12.
Which number could be the number Diego rounded to the nearest whole number?
Answer:
Below
Step-by-step explanation:
N, the number can be anything greater than or equal to 11.5 and less than 12.5
11.5 ≤ n < 12.5
What is the rate of change?
Answer:
(-5,1) and (0,3)
in this first one the distance of x is -5 and y is 1, similarly in second x is in origin which means 0 and y is 3.....
Solve for x show proofs please
The value of x in the triangle s 16√2
How to determine the length of xFrom the question, we have the following parameters that can be used in our computation:
The triangle
The vertical side (y) can be calculated using the following equation
y/2 = (18 - 2)/y
So, we have
y^2 = 32
Take the square roots
y = 4√2
The length x is then calculated as
x^2 = y^2 + (18 - 2)^2
Substitute the known values in the above equation, so, we have the following representation
x^2 = (4√2)^2 + (18 - 2)^2
Evaluate
x^2 = 288
Take the square root
x = 16√2
Hence, the value of x is 16√2
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Text Features Central Idea Text Structure Write and explain how the text features and text structure contribute to the overall meaning of the text.
By using effective text features and text structure, the author can help the reader to better understand and remember the central idea of the text. These elements can also make the text more engaging and interesting to read. Overall, text features and text structure are essential tools for conveying information effectively and conveying the author's intended message to the reader.
What are text features and text structure?Generally, Text features and text structure are important components of a written text that contribute significantly to its overall meaning. The central idea of a text is the main message or thesis that the author wants to convey to the reader. The text structure is the way the author organizes the information within the text, and the text features are the visual and organizational elements of the text that help the reader navigate and understand the content.
Text features such as headings, subheadings, and bullet points help the reader to quickly identify the main ideas and subtopics of the text. Bold and italicized fonts may be used to emphasize important concepts or ideas. Images, charts, and graphs can provide visual aids that help the reader understand complex information. In addition, text features like footnotes, citations, and a bibliography can help to establish the credibility of the author and the information presented in the text.
Text structure also plays a critical role in conveying the central idea of a text. The author may use a variety of text structures, such as chronological order, cause and effect, problem-solution, or compare and contrast, to organize the information and present it in a logical and coherent manner. For example, a text about the causes and effects of climate change might use a cause and effect structure to explain how human activities are contributing to global warming and the impacts that result from this phenomenon.
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Alice purchased a dress for $23.95, a necklace for $10.95, and a pair of
earrings for $6.79. What was the total amount of her purchase including 5%
tax?
Answer:
$43.77
Step-by-step explanation:
The total price without tax is $41.69. To add tax, we take 5% of this total (which ends up being $2.08) and add it to the total. This makes the final price $43.77.
I need a bit of help
Answer:
I believe the solution is -12
Step-by-step explanation:
What is:
x = 2
2x + y = 1
When graphing system of equations
Answer:
y = -3 or (2, -3)
Step-by-step explanation:
For x = 2 :
(2 ⋅ 2) + y = 1
4 + y = 1
4 − 4 + y = 1 − 4
0 + y =−3
y = −3 or (2, -3)
Graph the equation x + 4y - 3 = 0
The graph of the function is attached below.
What is the Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Given a function x +4y -3 = 0
To graph the equation x + 4y - 3 = 0, we need to find at least two points that satisfy the equation and plot them on a coordinate plane. To do this, we can use the intercept method.
First, we can find the x-intercept by setting y = 0 in the equation and solving for x:
x + 4(0) - 3 = 0
x = 3
So the x-intercept is (3, 0).
Next, we can find the y-intercept by setting x = 0 in the equation and solving for y:
0 + 4y - 3 = 0
4y = 3
y = 3/4
So the y-intercept is (0, 3/4).
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a line y = 3x - 5 is reflected in x = a so that the image is given by y = 1 - 3x. what is the value of A?
Answer: The line y = 3x - 5 can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept. In this case, m = 3 and b = -5.
When a line is reflected across the x-axis, the slope of the line changes sign, but the y-intercept remains the same. This means that if the original line has slope m and y-intercept b, the reflected line will have slope -m and y-intercept b.
For the image, y = 1 - 3x, the slope is -3 and the y-intercept is 1.
To find the value of a, we can set the two lines equal to each other and solve for x:
3x - 5 = 1 - 3x
Solving for x, we get:
4x = 6
x = 3/2
So the line of reflection, x = a, passes through
Step-by-step explanation:
WILL MARK BRAINLIEST! Which polygon appears to be regular?
O Figure A
O Figure B
O Figure C
O Figure D
Answer:
I'm 90% sure it's B.
Step-by-step explanation:
sorry if its not correct-
Answer: figure b
Step-by-step explanation:
this is because all of figure b's sides are congruent but the other figures sides are different lengths
Reflect the triangle over the y-axis and find the coordinate of the image of point K.
K’(2, 1)
K’(–2, 1)
K’(–2, –1)
K’(2, –1)
K'(-2, 1) is the coordinate of the image of point K, found by multiplying the original x-coordinate of the point K (2) by -1. To reflect the triangle over the y-axis, the x-coordinate of each point is multiplied by -1.
What is triangle?Triangle is a three-sided geometric shape which has three angles and three sides. The three sides of a triangle are typically referred to as the base, the height, and the hypotenuse. A triangle can be classified as either right, obtuse, or acute depending on the measure of its angles. Right triangles have one right angle, obtuse triangles have one obtuse angle, and acute triangles have three acute angles.
The coordinate of the image of point K is K’(-2, 1). This means that the x-coordinate of the point is -2 and the y-coordinate of the point is 1. This can be found by multiplying the original x-coordinate of the point K (2) by -1. The y-coordinate of point K remains the same, so the y-coordinate of the image of point K is 1.
Therefore, the coordinate of the image of point K is K’(-2, 1).
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The circle below is centered at the point (8, 4) and has a radius of length 4.
What is its equation?
D. (x+8)2 + (y-4)² = 16
10
OA. (x-4)2+(y-8)² =
42
B. (x-4)2 + (y+8)² = 4
C. (x-8)2 + (y-4)2 =
6
The equation of this circle include the following: C. (x - 8)² + (y - 4)² = 16.
What is the equation of a circle?In Mathematics, the standard form of the equation of a circle is represented by this mathematical expression;
(x - h)² + (y - k)² = r²
Where:
h and k represents the coordinates at the center of a circle.r represents the radius of a circle.Substituting the given points into the equation of a circle formula, we have the following;
(x - h)² + (y - k)² = r²
(x - 8)² + (y - 4)² = 4²
(x - 8)² + (y - 4)² = 16.
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PLEASE HELP ASAP!!!
The point of concurrency of the three angle bisectors of a triangle is _____
The point of concurrency of the three angle bisectors of a triangle is incenter
The three angle bisectors of a triangle are concurrent in a point equidistant from the sides of a triangle. The point of concurrency of the angle bisectors of a triangle is known as the incenter of a triangle.
The incenter is the point in the triangle's inscribed circle, which is the circle that is perpendicular to each of the triangle's three sides.The point where the triangle's angle bisectors cross is known as the incenter, which is equidistant from the triangle's three sides. It is a crucial location in triangle geometry, and numerous incenter properties are applied in various triangle-related constructions and proofs.
Therefore, the point at which the three angle bisectors of a triangle meet is called its Incentre.
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Algebra 2 - F - Homework #7
Solve the following systems of equations. Graph the lines to check your
solutions. Make sure you show all the work:
1.{2x+y=2
{5x+3y − 9
2. {5x - 2y = -2
{3x + 4y − 30
3. {-x+2y =
{3x + y = 15
Please help
{2x + y = 2
{5x + 3y - 9
Solution: We can solve this system of equations either by substitution or elimination method. Here, let's use substitution method.
From equation 1, we have: y = -2x + 2
Substituting this in equation 2, we get: 5x + 3(-2x + 2) - 9 = 0
Expanding the right-hand side, we get: 5x - 6x + 6 - 9 = 0
Simplifying further, we get: -x + (-3) = 0
Adding x to both sides, we get: -3 = x
Substituting this value of x in y = -2x + 2, we get: y = -2(-3) + 2 = 6
So, the solution to the system of equations is (x, y) = (-3, 6)
{5x - 2y = -2
{3x + 4y - 30
Solution: We can solve this system of equations by either substitution or elimination method. Here, let's use elimination method.
We can multiply equation 1 by 3 and equation 2 by 2, to make the coefficients of y same in both equations. Doing this, we get:
15x - 6y = -6
6x + 8y - 60 = 0
Adding these two equations, we get: 21x + 2y - 60 = 0
Simplifying further, we get: 21x = 60 + 2y
Dividing both sides by 21, we get: x = (60 + 2y)/21
Substituting this in equation 1, we get: 5((60 + 2y)/21) - 2y = -2
Expanding the right-hand side, we get: 60/21 + 10/21 y - 2y = -2
Simplifying further, we get: 60/21 + (-12/21) y = -2
Adding 12/21 y to both sides, we get: 60/21 = (-2) + (12/21) y
Subtracting -2 from both sides, we get: 62/21 = (12/21) y
Dividing both sides by 12/21, we get: y = 62/12 = 5 1/6
Substituting this value of y in x = (60 + 2y)/21, we get: x = (60 + 2(5 1/6))/21 = (60 + 11 1/3)/21 = (71 1/3)/21 = 71/21 + 1/63
So, the solution to the system of equations is (x, y) = (71/21 + 1/63, 5 1/6)
Can somebody help me on this? sss or sas it stands for side-side-side or side-angle-side.
Triangle PST is congruent to triangle QSR based on side-angle-side congruency theorem
What is a triangle?A triangle is a polygon that has three sides and three angles. Types of triangles are equilateral, isosceles, scalene, right angled triangle. In an equilateral triangle, two sides are equal.
Two triangles are said to be congruent, if all angles and all sides are congruent to each other.
From the diagram:
ΔPQR is equilateral (given)
QR = PT (Given)
∠SPT = ∠RQS (Given)
PS = QS (Definition of equilateral triangle)
ΔPST ≅ ΔQSR (Side angle side congruency theorem)
Triangle PST is congruent to triangle QSR
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Find the sum of the largest palindrome less than 600 and the fifth smallest prime number.
A. 606
B. 617
C. 602
D. 623
E. 611
The largest palindrome less than 600 is 599. The fifth smallest prime number is 11. The sum of these two numbers is 599 + 11 = 610, so the answer is (E) 611.
What do you mean by Palindrome?Palindromes are often used in literature, poetry, and wordplay, and are considered a form of symmetrical writing. Palindromes can be simple or complex, and can be made up of individual words or phrases. For example, "Madam I'm Adam" is a famous palindrome made up of individual words, while "Able was I ere I saw Elba" is a palindrome made up of a complete sentence.
Palindromes have been a source of fascination and inspiration for centuries, and have been studied by mathematicians, linguists, and computer scientists. Palindromic sequences have been found in DNA, and have been used in the study of genetics and molecular biology. Some palindromes are also considered to be puzzles, and are used in problem solving and critical thinking exercises.
In summary, a palindrome is a sequence of characters that reads the same backward or forward, and has been a source of interest and inspiration for centuries. They are found in literature, poetry, and mathematics, and are considered a form of symmetrical writing.
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how many pattern block triangles would create 3 hexagons
If you draw all the diagonals of a normal hexagon, there are 3*6=18 possible triangles; however, three of those are identical (the equilateral triangles), leaving us with 18-3=15 triangle possibilities.
In terms of geometry, a hexagon is a closed, six-sided polygon in two dimensions. A hexagon has six angles and six vertices. Hexa and gonio both denote the number six. A hexagon can be found in the shapes of a honeycomb, a football, a pencil face, and floor tiles. a standard hexagonal 2D geometric polygon with six equal-length sides and six equal-sized angles. All of the lines are closed, and there are no curving edges. A regular hexagon has 720 degrees of internal angles. Additionally, these shapes have six rotating and six reflective symmetries.
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simplify 5 ^ 4 * 10 ^ 4 x ^ 7 / 8 * 4 3 * 5 ^ 3
[tex] \sf \frac{5^{4} \times {10}^{4x ^{7} } }{8 \times 43 \times {5}^{3} } [/tex]
Solution in the attachment!! :)Do leading zeros count as significant figures?
Absolutely, because they show how big a number is, average leading zeros are regarded as significant digits. Leading zeros are counted as important figures since they help determine the decimal point's location and the size of the number.
Leading zeros in a number are important figures. This implies that when counting the total number of significant figures in a number, they are taken into account. The reason for this is that preceding zeros reveal the location of the decimal point and, hence, the size of the number. Because the leading zero signifies that the number is in hundredths, the number 0.002, for instance, has three significant figures. The number would be read as two rather than two hundredths without the leading zero. Due to their significance in assessing a number's precision, leading zeros should always be counted among the significant figures.
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