Hi i need this for noooow please

Answer: 2* (2w + w) = 60

Step-by-step explanation: I believe this is correct because to find the perimeter, we need to add both length and width, so this answer is the only one that expresses 2w + w being multiplied by 2 to get 60. I hope this helped.

Answer:

∠1+∠2≅∠3+∠4 cant be proven because sum of two obtuse angles is sure to be greater than sum of two acute angles of a triangle.

A function assigns the values. The function is f(x) = (8x - 8)/(x² + 2x).

A function transfers each element's value from one set to a particular element in another set.

There is a denominator and a numerator in a rational function.

The x-values that the function approaches but never reaches are known as vertical asymptotes. We can get the vertical asymptotes by setting the denominator to zero.

Since x=-2 and x=0 are the vertical asymptotes, our function's denominator will be x(x+2) = x2+2x.

Y values that the function approaches but never reaches are known as horizontal asymptotes. The degree of the numerator must be less than the degree of the denominator since the horizontal asymptote is y=0. Our numerator will be x - 1 because the x-intercept is equal to 1.

At this time, One can assume that the function is f(x) = (x - 1)/(x2+2x).

Next, we must apply the f(2)=1 condition. If we enter x=2, f(x) ought to be equal to 1. However, we must multiply the function's right side by a constant called C.

Then, the constraint f(2)=1 must be used. F(x) should be equal to 1 if we substitute x=2. The right side of the function must be multiplied by a constant C, though.

1 = C(2 - 1)/(2²+2(2))

Solve for C.

1 = C / 8\s8 = C

Consequently, the equation will be f(x) = [8(x - 1)] / [(x2 + 2x)].

f(x) = (8x - 8) / (x² + 2x)

Thus, f(x) = (8x - 8)/(x2 + 2x) is the function.

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Answer:

5/8=25/40   7/10=28/40

Step-by-step explanation:

5/8<7/10

The length of the line segment GH is 34 units

The complete question is added at the end of this solution

From the question, we have the following parameters that can be used in our computation:

GH= 7z - 1

BC = 4z - 3

Also from the question, we understand that the line segment BC is half the line segment GH

This can be represented mathematically as follows

BC = 1/2 * GH

Substitute the known values in the above equation, so, we have the following representation

4z - 3 = 1/2(7z - 1)

Multiply through by 2

8z - 6 = 7z - 1

Collect the like terms

8z - 7z = 6 - 1

Evaluate the like terms

z = 5

Recall that

GH= 7z - 1

Substitute the known values in the above equation, so, we have the following representation

GH= 7 * 5 - 1

Evaluate

GH= 34

Hence, the length is 34 units

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Complete question

The line segment BC is half the line segment GH

If GH = 7z- 1 and BC=4z- 3,

What is GH?

Answer:

Triangle B

Step-by-step explanation:

The triangles have three pairs of congruent sides.

To determine which graph represents the function [tex]$f(x)=\frac{2 x-1}{x-1}$[/tex]make following steps:

What is  function?

A function is a type of rule that produces one output for a single input. Source of the image: Alex Federspiel. This is illustrated by the equation y=x^2. Any input for x results in a single output for y. Considering that x is the input value, we would state that y is a function of x.

Four main categories may be used to classify different sorts of functions. dependent upon element Function is defined as one to one, many to one, onto, one to one and into function.

1. The vertical asymptote is x=1.

2. Simplify the function[tex]f(x)=\frac{2 x-1}{x-1}=\frac{2 x-1-1+1}{x-1}=\frac{2(x-1)+1}{x-1}=2+\frac{1}{x-1}$[/tex].

Then the horizontal asymptote is y=2.

Only option C contains graph with such asymptotes.

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Answer:

5.46

Step-by-step explanation:

precio original = x

0.7(1.3x) = x - 0.54

0.91x - x = -0.54

x = 6

6 + 30% de 6 = 7.8

7.8 - 30% de 7.8 = 5.46

Arturo compró por 6.

Aumentó 30% para 7.80.

Bajó 30% para 5.46.

6 - 5.46 = 0.54

Decagon has a total of 5 reflection symmetries

A reflection symmetry of a shape is a line that divides the shape into two halves that are mirror images of each other. To find the number of reflection symmetries of the decagon, we can draw lines through the center of the decagon that pass through pairs of opposite vertices.

We can draw a total of 5 lines through the center of the decagon that pass through pairs of opposite vertices. Each of these lines is a reflection symmetry of the decagon. Therefore, the decagon has a total of 5 reflection symmetries.

A rotational symmetry of a shape is a rotation about a fixed point that leaves the shape unchanged.

To find the number of rotational symmetries of the decagon, we can count the number of times we can rotate the decagon about its center by 36 degrees (which is the central angle of the decagon) and obtain the same shape. In this case, we can rotate the decagon about its center by 36 degrees 10 times and obtain the same shape each time.

A decagon shaped like a five-pointed star has 10 sides and 5 vertices, and it looks like this:

unitsize (1.5 cm);

pair A, B, C, D, E, F, G, H, I, J;

A = dir(108);

B = dir(72);

C = dir(36);

D = dir(0);

E = dir(-36);

F = dir(-72);

G = dir(-108);

H = dir(-144);

I = dir(-180);

J = dir(-216);

draw(A--B--C--D--E--F--G--H--I--J--cycle);

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The probability of rejecting the null when the alternative is true is d. 0.67

Given :

If α=.10 and β=.33, then the probability of rejecting the null when the alternative is true is .

Probability :

Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event.

Null hypothesis :

A null hypothesis is a type of statistical hypothesis that proposes that no statistical significance exists in a set of given observations.

we know that ,

probability = 2 * 0.33 + 0.01

= 0.66 + 0.01

= 0.67

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The expression to model the amount of money will be 175 ^ 1.02^t.

An expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.

Since Iris’s checking account pays a simple interest at 2% per year. She has $175 in her account.

The function to model the amount of money in her checking account at any time will be:

= 175 ^ (1 + 2%)^t

= 175 ^ (1 + 0.02)^t

= 175 ^ 1.02^t

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The required number of candles Marcella has in the starting is 56.

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

Here,
As mentioned in the question,
She has some candles in the starting  before she starts collecting the candles, let x be the candle she had in the starting,
Now,
According to the question she is buying 13 candles every week, at the end of 8 weeks she has 160 candles,
So.
x + 13(8) = 160
x + 104 = 160
x = 160 - 104
x = 56

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Interior angles on the same side are supplementary, which means they add up to 180°. We can write the equation as follows and refer to the two angles as x° and (x + 20)°.

When two rays are linked at their ends, they create an angle in geometry. The sides or arms of the angle are what are known as these rays.

When two lines meet at a point, an angle is created.

An "angle" is the measurement of the "opening" between these two rays. It is symbolized by the character. The circularity or rotation of an angle is often measured in degrees and radians.

Angles are a common occurrence in daily life.

Angles are used by engineers and architects to create highways, structures, and sports venues.

According to our question-

x + x + 20 = 180

2x + 20 = 180

2x = 160

If x = 80, the angles are 80° and 80 + 20 = 100°, respectively.

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Value of x would make these two solids similar when x is equal to 7.75.

When it comes to Euclidean geometry, two things are said to be similar if they have the same shape or the same shape as each other's mirror image. One can be created from the other more precisely by evenly scaling, possibly with the inclusion of further translation, rotation, and reflection. If two figures have the same shape, they are said to be comparable. In more formal terms, two figures are said to be comparable if their respective angles are congruent and their corresponding side length ratios are identical. The scale factor is the name given to this usual ratio.

Given

Two figures given

Value of x would make these two solids similar

D. X=7.75

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In the given argument and condition, (D) there are several observations, which strengthen the argument.

An argument is a statement or set of claims, known as premises, that seeks to evaluate the plausibility or acceptability of a conclusion.

The logical, dialectical, and rhetorical perspectives are the three basic areas of study for arguments.

Giving an argument entails offering a group of premises as justifications for believing the conclusion.

It's not always necessary to criticize or insult someone when making an argument.

Arguments can also be employed to back up the beliefs of others.

An example of an argument is as follows:

You should put in a lot of effort if you want to find a decent career.

So, in the given argument and condition, (D) there are several observations, which strengthen the argument.

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Complete question:
Consider the following argument:

Observation: Here in Nashville, the sun has risen every morning. Conclusion: The sun is going to rise in Nashville tomorrow.

a. The argument is weak because there is only one specific case.

b. The argument is strong because the premise includes scientific evidence.

c. The argument is weak because the observation does not consider other cities.

d. The argument is strong because there are a large number of observations.

[tex]A=P(1+\frac{r}{n})^{nt}[/tex]

P = $1,500

r = 0.06

n = 365 times per year

t = varies

so:  [tex]A(t)=\$1500(1+\frac{0.06}{365})^{365t}=\$1500(1.00016438)^{365t}[/tex]

a) A(5) = [tex]\$1500(1.00016438)^{365*5} = \$2,024.73[/tex]

b) A(10) = [tex]\$1500(1.00016438)^{365*10} = \$2,733.01[/tex]

c) 18 months = 1.5 years, so:

   A(1.5) = [tex]\$1500(1.00016438)^{365*1.5} = \$1,641.25[/tex]

LM is translated 5 units right and 2 units up to LM' as the graph shows the move in positive direction.

In elementary mathematics, the term "graph" designates a plot or a function graph. A graph is, in the language of mathematicians, a set of points and the connections between some subset of those points (which may be empty). In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way. The relationships between two or more items are frequently represented by the points on a graph.

Here,

As the graph indicates a move in the right direction, LM is translated 5 units right and 2 units up to LM'.

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Answer:

7 5 15 22

step,by step explanation: yes

From the values provided and basic arithmetic operations on the fractions, The answer is 4.8 gallons.

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions.

milk brought = x

used in one recipe = 2.4

1/4 th of remaining milk = (x-2.4)/4

remaining at end = 3/8 of x

final equation,

x-(2.4+(x-2.4)/4)=3x/8

5x/8=2.4+x/4-3/5

5x/8=1.8+x/4

3x/8=1.8

x=4.8 gallons

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Answer: x=27/6

Step-by-step explanation:

-1 2/3 = -5/3

17/6 = -5/3 + x

x = 17/6 + 5/3

x = 17/6 + 10/6

x = 27/6

After using the Pythagorean theorem the missing length of c is √148

What is the Pythagorean theorem in plain English?

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. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse.

How may the Pythagorean Theorem be demonstrated the simplest way?

Angles CAB, AC'B, and AB'C must be equal in order for AC2 + AB2 to equal BC(CB' + BC'). Triangles ABC, AC'B, and AB'C are indeed comparable. Since AB/BC' = BC/AB and AC/CB' = BC/AC, we have the necessary identity right away. Theorem reduces to Pythagorean proposition and proof if angle A is correct.

Pythagorean Theorem: a²+b²=c²

so (12)^2+(2)^2 = 144+4 = 148

c²=148

c=√148

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The three sticks will not form a triangle.

What is the triangle inequality theorem?

The triangle inequality theorem explains the connection between a triangle's three sides. This theorem states that for any triangle, the sum of the lengths of the first two sides is always greater than the length of the third side. In other terms, this theorem states that a straight line is always the shortest distance between any two places.

Given, Mr Hansen has three sticks that measure 5 inches, 10 inches and 17 inches

From the above definition of the Triangle inequality theorem,

Sum of two sides = 5 + 10 = 15 which is less than

the length of the third side = 17

So, the three sticks will not form a triangle.

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Answer:

x² +y² -10x -8y +21 = 0

Step-by-step explanation:

try desmos graph

The number of arrangements when the order is considered is 12, Number of ways when the order is not considered is 6.

By choosing some items from a set and creating subsets, permutation and combination are two approaches to express a collection of things.

The act of placing every member of a set into a certain sequence or order is known as permutation.

The combination is a method of choosing things from a group in which (unlike permutations) the order of the choices is irrelevant.  

The formula for Permutations is given by

The formula for Combinations is given by

Here we have

4 letters A, B, C, and D  

We need to choose 2 letters from the given 4 letters  

When the order of the choices is taking consideration we use the formula of Permutations  

The number of ways of arrangements,  ⁴P₂ = (4!)/(4-2)!  

= [tex]\frac{4\times 3\times\ 2!}{2!}[/tex]  = [tex]4 \times 3[/tex]  = 12

When the order of the choices is not taking consideration we use the formula of Combinations

Number of ways of arrangements, ₄C₂ = (4!)/2!(4 - 2)!  

= [tex]\frac{4\times 3 \times \ 2!}{2! \times 2!}[/tex] = [tex]\frac{4\times 3 }{2 \times 1 }[/tex]  = [tex]2\times 3[/tex]  = 6  

Therefore,

The number of arrangements when the order is considered is 12, Number of ways when the order is not considered is 6.

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There is a translation 6 units to the left and 5 units​ down, followed by a reflection across the​ x-axis is the description of the rigid motions which maps ΔEFG to Δ​MNO and he reflected the triangle across the wrong axis is the Alis error.

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

Given,

The coordinates of ΔEFG are ​E(6​,5​), ​F(9​,5​), and ​G(6​,10​).

The coordinates of ΔMNO are ​M(0​,0​), ​N(−3​,0​), and ​O(0​,5​)

A translation is a movement of the graph either horizontally parallel to the -axis or vertically parallel to the -axis

Reflections of graphs involve reflecting a graph over a specific line. Reflecting functions are functions whose graphs are reflections of each other.

There is a translation 6 units to the left and 5 units​ down, followed by a reflection across the​ x-axis is the description of the rigid motions which maps ΔEFG to Δ​MNO and he reflected the triangle across the wrong axis is the Alis error.

Hence, there is a translation 6 units to the left and 5 units​ down, followed by a reflection across the​ x-axis is the description of the rigid motions which maps ΔEFG to Δ​MNO and he reflected the triangle across the wrong axis is the Alis error.

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The lowest price that Mike should pay for 7 days' juice consumption is £6.16.

In order to calculate the cost of one item, divide the total cost of items by the total number of items. It is also called the unit rate of that item.

The per day requirement of Mike is 2/5 liters.

Then, for 7 days the requirement is 2/5 × 7 = 14/5 liters.

The rate of juice for 2 liter and 1 liter carton are given as £4.40 and  £2.60 respectively.

Then, the unit rate for both the carton is given by 4.40/2 = £2.20 and £2.60 respectively.

Since, the two liter carton has less unit rate, it can be used for 7 days consumption.

Now, the lowest price paid by mike is given as,

Unit rate of 2 liter carton × Total requirement of milk for 7 days

⇒ 2.20 × 14/5

⇒ 6.16

Hence, the lowest price paid by mike is £6.16.

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When the floor is 2.30 m in front of a vertical plane mirror and the bottom edge of the mirror is 38 cm above the floor, the horizontal distance from the mirror's base to the wall is 0.6935 m.

Trigonometry is the study of angles and the angular relationships between planar and three-dimensional shapes. The cosecant, cosine, cotangent, secant, sine, and tangent are among the trigonometric functions (also known as the circle functions) that make up trigonometry.

Here,

Perpendicular Length,

=Vertical Distance of eyes - Vertical distance of the bottom edge of the mirror

=1.64-0.38

=1.26 m

Angle of Reflection,

= Perpendicular Distance / Distance between the person and mirror

tan θ=1.26/2.30

tan θ=0.548

θ=tan⁻¹(0.548)

θ=28.72°

Angle of Incidence = 90 degrees - angle of reflection

=90-28.72

γ=61.28°

Angle of incidence,

=Horizontal distance to floor / height of mirror

tan 61.28°=x/0.38

x=0.38*tan 61.28°

x=0.38*1.825

x=0.6935 m

The horizontal distance to the base of the wall is 0.6935 m when the floor stands 2.30 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor.

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Increasing the area from 400 to 600 (50%) results in an increase in cost from 500 to 750 (50% increase), which shows that the cost is not proportional to the area.

In a situation where cost is proportional to area, the relationship between cost and area is said to be directly proportional. Direct proportionality means that if the value of one variable (in this case, area) is multiplied by a certain factor, then the other variable (in this case, cost) will also be multiplied by the same factor. The mathematical formula for direct proportionality is [tex]y = kx,[/tex] where y and x are the two variables, and k is the constant of proportionality. If the relationship between the variables is not proportional, then it is a non-proportional relationship.

The objects are proportional if increasing one quantity by a certain factor results in the other quantity increasing by the same factor. In this case, cost is proportional to area if doubling the area would double the cost. Based on the table, we can see that the cost is not proportional to the area since the cost does not increase by the same factor as the area. For example, increasing the area from 400 to 800 (double) results in an increase in cost from 500 to 1000 (also double). However, increasing the area from 400 to 600 (50%) results in an increase in cost from 500 to 750 (50% increase), which shows that the cost is not proportional to the area.

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