Answers
Applying one of the properties of a parallelogram, the value of x is 10°, then 6x=60° and 12x=120°.
QuadrilateralsThere are different quadrilaterals, for example square, rectangle, rhombus, trapezoid, and parallelogram. Each type is defined accordingly to its length of sides and angles. For example, a parallelogram presents some properties that are presented below.
the opposite sides are equal and parallelthe opposite angles and the diagonals are equal.the adjacent angles are supplementary.The figure of the exercise shows two adjacent angles. From the property: the adjacent angles are supplementary, you have:
6x+12x=180
18x=180
x=10°
Therefore, 6x= 6*10=60° and 12x=12*10=120°.
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Related Questions
What is the golden ratio of Fibonacci?
Answers
The golden ratio of Fibonacci, also known as the divine proportion, golden mean, or golden section, is a mathematical constant that is approximately equal to 1.618033988749895.
It is represented by the Greek letter phi (φ) and is found by dividing a line into two parts so that the longer part divided by the smaller part is also equal to the whole length divided by the longer part.
In mathematical terms, the golden ratio is expressed as:
φ = (1 + √5) / 2
The golden ratio is closely related to the Fibonacci sequence, which is a series of numbers where each number is the sum of the two preceding ones, usually starting with 0 and 1. The ratio of consecutive numbers in the Fibonacci sequence converges to the golden ratio as the sequence progresses.
For example, the first few numbers in the Fibonacci sequence are:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...
As we divide each number by the one before it, we get closer and closer to the golden ratio:
1/1 = 1
2/1 = 2
3/2 = 1.5
5/3 = 1.666...
8/5 = 1.6
13/8 = 1.625
21/13 = 1.615...
34/21 = 1.619...
55/34 = 1.617...
89/55 = 1.618...
144/89 = 1.618...
As you can see, the ratio of consecutive numbers in the Fibonacci sequence approaches the golden ratio as the sequence progresses. This is why the golden ratio is often referred to as the golden ratio of Fibonacci.
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Can you help me answer this
Answers
Answer: C
Step-by-step explanation:
How do you write an inequality in a word problem?
Answers
To indicate that one value is greater than, less than, or equal to another, an inequality in a word problem is written using mathematical symbols like, >, or.
Determine the values that the inequality will compare before using the correct mathematical symbol to express the relationship between them in a word problem. Once the values have been determined, represent the relationship between them using the proper mathematical symbol. For instance, the inequality would be phrased as "x > 5" if the problem stated that "x is greater than 5". Other possible symbols for inequalities are (less than), (less than or equal to), and (more than) (greater than or equal to). It is crucial to always use the appropriate mathematical symbols when creating an inequality since they are needed to indicate the direction of the comparison. Moreover, make sure to incorporate all essential components, including the values being compared, the mathematical symbol, and the equals sign, if required. These procedures can be used to effectively write an inequality in a word problem.
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Santiago’s total budget for the materials to build the ramp and the foam pit is 3,000. With his current design, will he be over budget or under budget, and by how much?
Answers
Total cost to build the ramp is $1467.4. Santiago’s has over budget to build the ramp.
What is area?Area is the amount of space occupied by a two-dimensional figure. In other words, it is the quantity that measures the number of unit squares that cover the surface of a closed figure. The standard unit of area is square units which is generally represented as square inches, square feet, etc.
Here,
Area of 2 rectangles is
2(Length×Width)
= 2(20×12)
= 480 square feet
Area of small rectangle = 12×8.5
= 102 square feet
Area of 2 triangles = 1/2×Base×Height
= 1/2 ×20×8.5
= 85 square feet
Total area = 480+102+85
= 667 square feet
Total cost to build the ramp = 667×2.20
= $1467.4
Santiago’s total budget for the materials to build the ramp and the foam pit is $3,000.
Hence, Santiago’s has over budget to build the ramp.
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"Your question is incomplete, probably the complete question/missing part is:"
The material Santiago will use to build the ramp cost $2.20 per square foot. Find the total cost of materials for the ramp? All sides are; 21.7, 20, 12 for perimeter and 8.5 for the height.
Santiago’s total budget for the materials to build the ramp and the foam pit is 3,000. With his current design, will he be over budget or under budget, and by how much?
Solve the problem bellow
Answers
Simplified :
Please i need hhelp tysm!!
Answers
Answer:
The answer is 4×7×8 units³
Step-by-step explanation:
This is a really easy question. All you have to do is take a look at the prism and you see the height of 4 units, the width of 8 units, and the length of 7 units. To find the volume of a cube you have to multiply the Length, Width, and Height. Therefore, 7×8×4. Also, it doesn't matter the order of the numbers to multiply. Hope this helps!!
At the corner store, you can buy 5 super-size granola bars for $10. How much does a single super-size granola bar cost?
Answers
Answer:
3
Explanation:
Based on the given conditions, formulate: 3
Cross out the common factor: 3
get the result:3
Answer: 3
Answer:
2$
Step-by-step explanation:
10/5=2
Write a quadratic equation with a vertical shrink of 1/3, shifts left 2 and down 5.
Answers
The quadratic function is y = 1/3(x + 2)^2 - 5
How to determine the quadratic functionThe parent function of a quadratic function is represented as
y = x^2
From the question, we have the following parameters that can be used in our computation:
vertical shrink of 1/3, shifts left 2 and down 5.
This means that
y = a(x + h)^2 + k
Where
a = 1/3
h = 2
k = -5
So, we have
y = 1/3(x + 2)^2 - 5
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2) Andrew brought packs of biscuit. Create a graph to determine if the
number of packs and price are proportional for each serving size listed in the
table. If the quantities are proportional, what is the constant of
proportionality or unit rate that defines the relationship? Explain how the
constant of proportionality was determined and how it relates to both the
table and graph.
Answers
The constant of proportionality of the graph is 8.
What is constant of proportionality?Constant of proportionality is the constant value of the ratio between two proportional quantities.
Given that, a table, of price of the number of pack of biscuits,
We are asked to find the constant of proportionality or unit rate that defines the relationship,
Unit rate is a rate for one of something.
Here, let us consider the number of packets be x and price be y,
x and y are proportional, therefore,
y = kx, here k is the constant of proportionality,
Put y = 8 and x = 1
8 = k
Similarly, if we check for other values we will get 8
[graph is attached]
Hence, the constant of proportionality of the graph is 8.
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expressions that are tested by the if statement are called ______
Answers
Expressions that are tested by the 'if' statement is called conditions.
A condition is an expression that evaluates to either 'True' or 'False', and it determines whether the code block within the 'if' statement is executed. The 'if' statement allows the program to make decisions and execute different codes based on whether the condition is 'true' or 'false'. For example, in Python, an 'if' statement might look like this:
if x > 10:
print("x is greater than 10")
In this example, the condition being tested is 'x > 10', which will evaluate as 'True' or 'False' depending on the value of x. If the condition is 'True', then the code block within the 'if' statement (in this case, the print statement) will be executed. If the condition is 'False', then the code block within the 'if' statement will be skipped.
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Which of the following shows a correct method to calculate the surface area of the cylinder?
cylinder with diameter labeled 3.2 feet and height labeled 3.8 feet
SA = 2π(1.6)2 + 3.2π(3.8) square feet
SA = 2π(1.6)2 + 1.6π(3.8) square feet
SA = 2π(3.2)2 + 3.2π(3.8) square feet
SA = 2π(3.2)2 + 1.6π(3.8) square feet
Answers
The following equations should be used to calculate the cylinder's surface area = SA = 2πr² + 2πrh. As a result, the suggested options do not include the correct approach.
How to calculate the surface area of cylinder?Where h is the cylinder's height and r is the cylinder's radius.
The radius is equal to half of the diameter, or 1.6 feet, given that the diameter is 3.2 feet. And it stands 3.8 feet in height.
As a result, the following is the appropriate formula to get the cylinder's surface area:
SA is = 2.16 plus 2.16.3.8 square feet.
When we abbreviate the phrase, we get:
SA = 2.56 + 2.08 square feet
SA = 5.12 plus 12.16 square fee
SA = 17.28 square feet.
As a result, the suggested options do not include the correct approach.
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The surface area of the given cylinder is given by the equation:
SA = 2π (1.6)² + 3.2π(3.8) square feet
What is meant by a cylinder?
One of the most fundamental curvilinear geometric shapes, a cylinder has historically been a three-dimensional solid. It is regarded as a prism with a circle as its base in basic geometry. One of the fundamental three-dimensional shapes in geometry is the cylinder, which has two distant, parallel circular bases. At a predetermined distance from the centre, a curved surface connects the two circular bases. The axis of the cylinder is the line segment connecting the centres of two circular bases. The height of the cylinder is defined as the distance between the two circular bases.
The surface area of the cylinder is the sum of the area of the curvilinear surface and the areas of the top and bottom circular bases.
Now the area of the curved surface = 2πrh
Area of bases = πr² + πr² = 2πr²
where,
r = radius of the cylinder
h = height of the cylinder
Given,
r = 3.2 / 2 = 1.6 feet
h = 3.8 feet
Substituting,
Surface area SA = 2πrh + 2πr² = 2π * 1.6 * 3.8 + 2π (1.6)²
= 2π (1.6)² + 3.2π(3.8) square feet.
Therefore the surface area of the given cylinder is given by,
SA = 2π (1.6)² + 3.2π(3.8) square feet.
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A random sample of 20 seventh graders found that 14 participate in a local contest making duct-tape wallets. Complete parts a through c.
a. If there are 500 seventh graders, write a proportion to estimate the number of seventh graders, n, who participate in the contest.
The proportion
14 n
20 500
=
can be used to estimate the number of seventh graders who participate in the contest.
b. Solve the proportion to estimate the number of seventh graders who participate in the contest.
About seventh graders participate in the contest.
(Type a whole number.)
Answers
Answer:
350
Step-by-step explanation:
Using the proportion from part (a):
14/n = 20/500
Cross-multiplying, we get:
20n = 14 × 500
Dividing both sides by 20, we get:
n = 14 × 500 / 20 = 350
Therefore, about 350 seventh graders participate in the contest.
In ΔRST, r = 530 cm, s = 530 cm, and t=950 cm. Find the measure of ∠T to the nearest 10th of a degree.
Answers
The measure of angle ∠T found in the triangle ΔRST found using the law of cosines is 127.3°.
What is meant by the law of cosines?
The law of cosines, commonly referred to as the cosine formula or cosine rule, is a relation in trigonometry that links the lengths of a triangle's sides to the cosine of one of its angles. It claims that we can determine the length of the third side of a triangle if we know the length of the first two sides and the angle between them.
If ABC is a triangle, then as per the statement of the law of cosines, we have:
c = [tex]\sqrt{a^{2}+b^{2}-2 a b \cdot \cos \gamma}[/tex]
where,
c = length of side c
a = length of side a
b = length of side b
γ = angle opposite c
Given a triangle, ΔRST
The length of side r = 530 cm
The length of side s = 530 cm
The length of side t = 950 cm
According to the law of cosines,
t² =s² + r² - 2.s.r . cos T
950² = 530² + 530² - 2 * 530 * 530 * cos T
902500 = 280900 + 280900 - 561800 * cos T
cos T = -0.6064
m∠T = 127.3°
Therefore the measure of angle ∠T found using the law of cosines is 127.3°.
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Suppose you grow, arrange, and sell flowers. If it costs $2,300 to arrange 500 bouquets,
and it costs $3,100 to arrange 600 bouquets, what is your marginal cost in this range?
Answers
Answer:
The marginal cost in this range is $0.50 per bouquet. This can be calculated by finding the difference in total cost of arranging 500 bouquets and 600 bouquets, which is $800, and dividing that by the difference in quantity of bouquets, which is 100. This gives a marginal cost of $0.50 per bouquet.
help with this please
Answers
The answer is b
3/4 = 9/n solve for n please help
Answers
Answer:
Step-by-step explanation:
12
3n=36
Divide both sides by 3
Solution
n=12
Solve for x
Urgent help pleaseee
Show proofs
Answers
Using the geometric mean theorem, the value of x is approximately 8.2.
What is the Geometric Mean Theorem or Altitude of a Right Triangle Theorem?The right triangle altitude theorem, also known as the geometric mean theorem, is a basic concept in geometry that connects the altitude of a right triangle to the two line segments it creates on the hypotenuse. According to the theorem, the altitude is equal to the geometric mean of the two line segments.
Using the theorem, we have:
14 = √(x * 24)
14² = 24x
196 = 24x
x = 196/24
x ≈ 8.2
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please help me on this
Answers
Answer: 7/14
Step-by-step explanation:
first you have to find common denominators to do that the simplest way I can think of is to multiply the 7x2 to get 14 and what you have to do to the bottom is what you do to the top.then you get 12/14-5/14after that you subtract the numerators, and you get...7/14which is your final answerFrom tuesday to friday, noel, the supplier delivered 350 yards of ribbon per day. From saturday to monday, he delivered 700 yards of ribbon per day. What was the average length of ribbon that noel delivered per day?.
Answers
Noel delivered an average of 500 yards of ribbon per day from Tuesday to Monday.
The central value represents the typical or average value of all the numbers in the set.
From Tuesday to Friday, Noel delivered 350 yards of ribbon per day, a total of 4 days. So, the total length of ribbon that he delivered during this period is
=> 4 * 350 = 1400 yards.
From Saturday to Monday, he delivered 700 yards of ribbon per day, a total of 3 days. So, the total length of ribbon that he delivered during this period is
=> 3 * 700 = 2100 yards.
To find the average length of ribbon that Noel delivered per day, we need to find the total length of ribbon he delivered in both periods and divide it by the total number of days.
The total length of ribbon he delivered in both periods is
=> 1400 + 2100 = 3500 yards.
The total number of days is
=> 4 + 3 = 7 days.
So, the average length of ribbon that Noel delivered per day is
=> 3500/7 = 500 yards.
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What’s the answer for this problem
Answers
Answer:-8
Step-by-step explanation:
f(x)=-3x-2
f(2)=-3(2)-2
-6 - 2=
-8
Select the correct phrase to make the statement about 96 multiplied by 11/8
is true.
The product is between 1/8 and 96
Answers
The statement that is true regarding "96 multiplied by 11/8" is: G. The product is greater than 96.
How to Find the Product of Two Numbers?To find the product of 96 and 11/8, we can multiply these two numbers:
96 x 11/8 = (96/1) x (11/8)
= 1056/8
= 132
So the product is 132.
Now we can check which statement is true:
F. The product is less than 11/8. This statement is false, since 132 is greater than 11/8.
G. The product is greater than 96. This statement is true, since 132 is greater than 96.
H. The product is between 11/8 and 96. This statement is false, since 132 is greater than both 11/8 and 96.
I. The product is equal to 96. This statement is false, since we have calculated that the product is actually 132.
The statement that is true is G. The product is greater than 96.
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How many solutions does the equation have?
9x + 2 = 3x + 5
Answers
Answer:
it has 1 solution of 1/2 or decimal form of 0.5
9x+2 = 3x+5
9x-3x = 5-2 (collect terms)
6x-3 (divide both sides by 6)
6x/6 = 3/6
X = 1/2
100 points Your friend says the solution to 6x+14x-9=4(5x+1) is x=13. Solve 6x+14x-9=4(5x+1). What was your friend's likely error?
Answers
The equation 6x + 14x - 9 = 4( 5x + 1 ) has no solution.
What is the solution to the given equation?Given the equation in the question;
6x + 14x - 9 = 4( 5x + 1 )
To solve the equation, first apply distributive property to remove the parenthesis.
6x + 14x - 9 = 4( 5x + 1 )
6x + 14x - 9 = 4 × 5x + 4 × 1
Multiply 4 and 5x
6x + 14x - 9 = 20x + 4 × 1
Multiply 4 and 1
6x + 14x - 9 = 20x + 4
Next, collect and add like terms.
Subtarct 20x from both sides
6x + 14x - 20x - 9 = 20x - 20x + 4
6x + 14x - 20x - 9 = 4
Add 9 to both sides
6x + 14x - 20x - 9 + 9 = 4 + 9
6x + 14x - 20x = 4 + 9
20x - 20x = 4 + 9
20x - 20x = 13
0 = 13
Therefore, there is no solution to the equation.
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A restaurant serves pancakes that are made from a powdered pancake mix there is a proportional relationship between the number of scoops and powdered pancake mix and the amount of water needed to make them for every four scoops of mix 1/2 quart of water is needed in for every 10 scoops of mixed one and 1/4 quarts of water are needed per day find the constant of proportionality show every step of your work part be right in equation that represents the relationship show every step of your work part Siri describe how you would grab the relationship use complete sentences party how many quarts of water are needed for 12 scoops of pancake mix (I NEED HELP FAST!!)
Answers
Nvm. I got it wrong me self. Srry:(
a basketball court is 46 feet wide and 84 feet long. the court has a border that is 10 feet wide. the cost of a hardwood floor is $9 per square foot. how much will it cost to put a new floor on both the court and its border?
Answers
The total cost to put a new floor on both the court and its border is; $61776
How to solve Algebra Word problems?The parameters given are;
Initial length = 84 ft
Initial Width = 46 ft
Now, since the court has a border that is 10 ft wide, it means that we will add 20 ft to the initial length and width to get the new measurements. Thus;
New length = 84 + 20 = 104 ft
New Width = 46 + 20 = 66 ft
Thus;
Area = 104 * 66
Area = 6864 sq.ft
Thus;
Total Cost = 6864 * 9
= $61776
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Which of the following is equal to
Answers
The expression equal to 5¹/₃ is ∛5 (option B)
What is an expression?The definition of an expression in math is a statement composed of terms and operations. The terms may be constant (numbers), or variables with coefficients. The operations may be addition, subtraction, multiplication, or division.
Given is an expression, 5¹/₃,
Using indices rule,
b¹/ₐ = [tex]\sqrt[a]{b}[/tex]
Therefore,
5¹/₃, here b = 5, a = 3
Therefore,
5¹/₃ = ∛5
Hence, the expression equal to 5¹/₃ is ∛5 (option B)
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let abc~def and the ratio of the respective altitude is 1:3. if the measure of the sides of abc are 3cm,5cm,and 7cm. Then find the measures of the sides of the larger triangle.
Answers
Answer:
Since the ratio of the altitudes of the two triangles ABC and DEF is 1:3, we can say that the altitude of triangle DEF is three times that of triangle ABC.
Let's assume the altitude of triangle ABC is h, then the altitude of triangle DEF is 3h.
Now, we know that the area of a triangle is given by the formula:
Area = (1/2) * base * height
Let's apply this formula to both triangles:
Area of triangle ABC = (1/2) * base * altitude
= (1/2) * 7cm * h
= 3.5h cm^2
Area of triangle DEF = (1/2) * base * altitude
= (1/2) * 7cm * 3h
= 10.5h cm^2
Since the two triangles are similar, their areas are proportional to the squares of their corresponding sides. That is:
Area of triangle ABC / Area of triangle DEF = (AB / DE)^2
Substituting the values, we get:
3.5h / 10.5h = (AB / DE)^2
1/3 = (AB / DE)^2
Taking the square root of both sides, we get:
AB / DE = 1 / sqrt(3)
AB = (1 / sqrt(3)) * DE
Now, we know that the sides of triangle ABC are 3cm, 5cm, and 7cm.
Let's assume that the sides of triangle DEF are a, b, and c.
Since the sides of the two triangles are proportional, we can write:
a / 3 = b / 5 = c / 7 = 1 / sqrt(3)
Solving for a, b, and c, we get:
a = 3 / sqrt(3) = sqrt(3) cm
b = 5 / sqrt(3) = (5 * sqrt(3)) / 3 cm
c = 7 / sqrt(3) = (7 * sqrt(3)) / sqrt(3) = 7 cm
Therefore, the measures of the sides of triangle DEF are sqrt(3) cm, (5 * sqrt(3)) / 3 cm, and 7 cm.
Solve the system of equations − 3 � + 7 � = − 18 −3x+7y=−18 and 4 � − 4 � = 8 4x−4y=8 by combining the equations.
Answers
The solution of the Equation is x=1 and y= -3.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
-3x + 7y = -18...........(1)
4x - 4y = 8.................(2)
Solving equation (1) and (2) we get
-12x + 28y = -72
12x - 12y = 24
____________
16y = -48
y= -48/ 16
y = -3.
and, -3x + 7(-3) = -18
-3x = 3
x= -1
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S
A store sells a toy car for $1 less than twice what it costs to make the car.
1. Make a table to relate the selling price, s, to the cost of making the
car, c. Then graph the ordered pairs on the coordinate plane.
с
1
2
3
S
1
2. Write an equation that describes the relationship.
selling price = 2 times the cost minus $1
1
s=_2 x
3. What is the selling price of a toy car that costs $4
to make?
7
6
5
4
3
2
1
S
0
0 1 2 3 4
Answers
The appropriate values in the table will be:
Cost selling price
1. 1
2. 3
3. 5
How to calculate the priceFrom the information, the store sells a toy car for $1 less than twice what it costs to make the car.
It should be noted that the selling price when the cost price is $1 will be:
= (2 × $1) - $1
= $1
It should be noted that the selling price when the cost price is $2 will be:
= (2 × $2) - $1
= $3
It hould be noted that the selling price when the cost price is $3 will be:
= (2 × $3) - $1
= $5
The equation that shows the relationship will be:
Selling price = 2c - 1
The selling price when cost price is $4 will be:
=(2 × $4) - 1
= $7
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How do you find eigenvalues and eigenvectors on a calculator?
Answers
Eigenvalues and eigenvectors can be found using a calculator by solving the equation Ax = λx, where A is a matrix, x is the eigenvector, and λ is the eigenvalue.
To solve this equation, you first need to calculate the determinant of the matrix A, which is written as |A|. If the determinant is not equal to zero, then you can calculate the eigenvalue by dividing the trace of the matrix (the sum of the diagonal elements) by the number of rows or columns of the matrix. The eigenvalues can then be substituted into the equation to solve for the corresponding eigenvector. For example, for a 2x2 matrix A, the eigenvalues can be found by calculating |A| and then solving the equation λ^2 - (trace of A) * λ + |A| = 0. The eigenvectors can then be found by plugging the eigenvalues into the equation Ax = λx and solving for x.
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