. State whether the image below is an enlargement
or a reduction. Identify the scale factor.
4cm
15
3cm
5cm
20cm
25cm
15cm
Enlargement OR Reduction? (circle one)
Scale Factor =

Answer:

p=0.83 g/cm3

Step-by-step explanation:

Density = Mass ÷ Volume

So,

Density = 25 g ÷ 30 cm³ = 0.83 g/cm³ (rounded to the nearest hundredth place).

Only the third case of an example of a relation being a function.

Relations are referred to all relationships between two sets, an input set called domain and an output set called range. Relation is also a function, when each element of the domain is related only to one element of the range, that is to say:

If x → f(x₁) and x → f(x₂), then x₁ = x₂.

Now we proceed to determine if each relation is a function:

Case 1 - The relation is not a function since x = 5 is related both to y = 19 and y = 20.

Case 2 - The relation is not a function since x = 7 is related both to y = 15 and y = 10.

Case 3 - The relation is a function.

Case 4 - The relation is not a function since x = - 2 is related both to y = - 2 and y = 3.

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The rate of inflation to the nearest hundredth of a percent is 14.473%

Rate of Inflation is the rate of increase in prices over a given period of time. Inflation is typically a broad measure, such as the overall increase in prices or the increase in the cost of living in a country.

To calculate the rate of inflation, we use the following formula:

Rate of inflation = (CPI 2022 - CPI 2019)/ CPI 2019 x 100

Putting the parameters in the question

Rate of inflation = ( 292.655 - 255.657)/ 255.657 x 100

Rate of inflation = 37/255.657 x 100

Rate of inflation = 14.473%

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Cindy needs to correct the following: a. Raise the monthly payment to the previously agreed-upon $250. Although the contract specifies a payment of $225, Robert and Cindy instead decided on a monthly bill of $250.

a. Just use word "monthly" to indicate how frequently the payment will be made. This makes it obvious that the payments must be made on a regular basis and specifies the agreement's conditions. c. Increase the total payments to 17 in order to account for the down payment. This makes sure that every expense, including the down payment, is taken into consideration. Cindy does not need to change Option d, which includes Robert's last name plus her complete name, in the contract. Even though it's a good concept in general It is not a change to the payment terms stated in the agreement to provide both parties' real identities in an agreement for clarification and identification reasons.

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Answer: C:  Cindy needs to change the number of payments to 17 to include the down payment

Step-by-step explanation: good Bye :)

Angle ECD will therefore be complementary to this and equal 15°

Angle DAQ will be supplementary to this as BAC = 23, which is 90 - 23 = 67.

Additionally, QDA = 90 - DAQ = 23

And because DP = PC, the angle DCP in the triangle DPC equals the angle PDC.

However, since transverse AC parallelizes DC and AB, angle BAC = angle DCP = 23.

PDC also equals 23.

So....

QDA plus PDC is 23 + 23 = 46°.

Keep in mind that the square's side equals the side of the equilateral triangle.

Thus, draw EC

EB = CB in the triangle ECB, and angle CBE is equal to 30°.

However, because EB = CB, ECB, and CEB's opposing angles will be equal.

Both will be equal to = (180 - 30) / 2 = 150 / 2 = 75°.

Thus, angle ECB = 75°.

Angle ECD will therefore be complementary to this and equal 15°.

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The solution of the functions  [tex]f(x) = \frac{3}{4}x + 2\frac{1}{4}[/tex] and [tex]g(x) = (\frac{1}{2})^x + 1[/tex]

is (1.286, 1.41).

A function can be defined as the outputs for a given set of inputs.

The inputs of a function are known as the independent variable and the outputs of a function are known as the dependent variable.

Given, Are two functions [tex]f(x) = \frac{3}{4}x + 2\frac{1}{4}[/tex] and [tex]g(x) = (\frac{1}{2})^x + 1[/tex].

We know the solution to f(x) and g(x) is where the two functions intersect.

The graph of the functions intersects at (1.286, 1.41) and hence it is the solution.

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The linear function in the graph is y = -x + 2

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

The graph (see attachment)

On the graph, we can see that the first curve is a quadratic function,

Also, it has an open circle at x = 1

So, we have:

x² + 2    if x < 1

Next, we have a linear equation with a closed circle at x = 1

So we have:

y = -x + 2 for x ≥ 1

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The graph of the equation y = |x| + 5 is given below.

A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.

The given equation is y = |x| + 5.

Set the given values for x and find the corresponding values of y.

When x = -3, y = |-3| + 5 = 8

When x = -2, y = |-2| + 5 = 7

When x = -1, y = |-1| + 5 = 6

When x = 0, y = |0| + 5 = 5

When x = 1, y = |1| + 5 = 6

When x = 2, y = |2| + 5 = 7

When x = 3, y = |3| + 5 = 8

Graph of the equation is given below.

Hence the graph of the equation is found.

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Kyle needs 0 mL of the 24% solution and 42 mL of the 18% solution to make 20% acid solution.

percentage, a relative value indicating hundredth parts of any quantity.

Let's call the amount of 24% solution used x, and the amount of 18% solution used y.

We can set up two equations to represent the concentration of the mixture and the total volume of the mixture:

Concentration equation: (0.24 x + 0.18 y) / (x + y) = 0.20

Volume equation: x + y = 42 mL

we can substitute 42 mL for y in the volume equation and solve for x:

y = 42 mL

x = 42 - y = 42 - 42 = 0 mL

So, Kyle needs 0 mL of the 24% solution and 42 mL of the 18% solution to make 20% acid solution.

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The number of bracelets Ashley sold in terms of the number of necklaces sold is b = (168 - 12n) / 6

Let's represent the number of bracelets Ashley sold as "b" and the number of necklaces as "n".

The total amount earned can be expressed as the sum of the revenue from bracelets and necklaces:

6b + 12n = 168

To solve for the number of bracelets, we can isolate b by subtracting the revenue from necklaces and dividing by the price per bracelet:

6b = 168 - 12n

b = (168 - 12n) / 6

This gives us the number of bracelets Ashley sold in terms of the number of necklaces sold.

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The volume of a cube with sides of length 2(1/4) inches is 11.4 inches³.

It is a polygon having six faces.

The volume of a cube is a side³

We have,

V = s³

s = 2(1/4) inches

s = 9/4 inches

Now,

V = s³

V = (9/4)³

V = 729/64

V = 11.4 inches³

Thus,

The volume of the cube is 11.4 inches³.

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The statement which true according to the chart is: Since Omega can produce both food and clothing using fewer resources than Gamma, it cannot benefit from trade with Gamma. The correct option is D.

Trade is important for keeping a competitive global economy and lowers the prices of goods internationally as it establishes innovation and encourages markets to become specialized. The ability to trade also permits access to goods and services which might be of higher quality and lower cost than its domestic alternative. Because countries are provided with different assets and natural resources, some may produce the same good more efficiently and sell it more cheaply than the others. Countries which trade can take advantage of the lower prices available in other countries.

In this case, while Gamma is using 10 resources units to produce one unit of food, Omega is only using 5 resources units. And, while Gamma is using 9 resources units to produce one unit of clothing, Omega is only using 3 resources units. This means Omega can produce both food and clothing using fewer resources than Gamma, so, it cannot benefit from trade with Gamma.

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Although part of your question is missing, you might be referring to this full question: The chart below shows the number of resource units the countries Gamma and Omega must use to produce one unit of food or one unit of clothing. Which of the following statements is true according to the chart above? (Chart is attached).

A. Trade should take place, with Gamma specializing in clothing production and Omega specializing in food production.

B. Trade should take place, with Gamma specializing in food production and Omega specializing in clothing production.

C. Each country should devote half of its resources to food production and half to clothing production and not trade.

D. Since Omega can produce both food and clothing using fewer resources than Gamma, it cannot benefit from trade with Gamma.

E. Since Gamma can produce both food and clothing using fewer resources than Omega, it cannot benefit from trade with Omega.

the table's depiction of the probability distribution for X And section an asks us to calculate the likelihood that X equals two. When X = 2, the chance of X = 2 is 0.15, and for B, we need to determine the likelihood of more than 3.

There are only two ways that X might be greater than three: X is equal to four, or X is equal to five, increasing the likelihood that X is greater than three. Therefore, the likelihood of being more than three is equal to the likelihood of being four. Additionally, the likelihood of being five, These probability are.03 and.02, which equals C. We are asked to determine the likelihood that X is equal to one. When X is, the probability that X will be one is.7, and we want to know the likelihood that X will be less than four. The options for X being one, two, or three or fewer than four.

Therefore, these have odds of.1,.15, and.7.The chance is 95 percent. Since you were asked to determine the mean for X for discrete random variables like this one, the mean is equal to the total of all possible values of X multiplied by the probability associated with each one. Therefore, that is once. 2 times 7 plus. Three times 15 plus. 1 and onward. And this equals 1.52; to find f, we must determine the discrete random variable X's standard deviation.

This formula, which also has this form for the standard deviation, can be used to represent the latter version of the standard deviation, which is the square root of one squared times. 7Thus, that is two times squared. 15 and onward. After completing the square root procedure, we deduct the principal squared, and the result is approximately 2.93–5. The goal of having X equal to at least two has not been achieved for G, as evidenced by the fact that the typical number of occupants for cars is 1.52.

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The number of hours Julian was at the resort is given by the equation

A = 6 hours

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.

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 data ,

Let the number of hours Julian was at the resort be A

Now , the equation will be

The total amount spend by Julian = $ 121

The cost for renting a snowboard = $ 55

The cost per hour for lift ticket = $ 11

So , for x hours of lift ticket = 11x

Substituting the values in the equation , we get

The total amount spend by Julian = cost for renting a snowboard  + x hours of lift ticket

On simplifying the equation , we get

121 = 55 + 11x

Subtracting 55 on both sides of the equation , we get

11x = 66

Divide by 11 on both sides of the equation , we get

x = 6 hours

Hence , the number of hours is 6 hours

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A thin, uniformly charged disk can be represented as a collection of concentric charged rings with varying radii. Each ring has a uniform charge density and the total charge of the disk is distributed evenly across all the rings.

The electric field at a point on the axial line of the disk can be calculated using the formula E = k * Q / r^2, where k is Coulomb's constant, Q is the total charge on the disk, and r is the distance from the center of the disk to the point where the electric field is being calculated.

The electric field at a point outside the disk will be equal to the sum of the electric fields produced by each ring at that point.

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The angular acceleration of the cart would be (50/m) rad/s².

The relation between the linear and angular velocity is -

v = rω

Given is a cart with a force of 500N and moves along a circular track with a radius of 10 meters

We can write the tangential force as -

F{t} = 500

m a{t} = 500

m dv{t}/dt = 500

m d/dt (rω) = 500

mr dω/dt = 500

dω/dt = 500/10m

dω/dt = 50/m

α = 50/m

Therefore, the angular acceleration of the cart would be (50/m) rad/s².

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{Question in english -

A horse pulls a cart with a force of 500N and moves along a circular track with a radius of 10 meters.}

Answer:

y-(-6)=8/10(x-(-6)

Step-by-step explanation:

Using slope point formula (y-y1=m(x-x1)) we can sue the given coordinates to fill in the equation.

y1=-6 x1=-6

Substitute into the equation: y-(-6)=m(x-(-6))

Next we have to find slope using slope formula (y2-y1/x2-x1) 2-(-6)/4-(-6)=8/10

Substitute in for m: y-(-6)=8/10(x-(-6))

You now have the completed equation!

-Hope this helped

Best deal for the round pizza is,

''Two 12-inch diameter round pizzas for $17.50.''

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

We have to given that;

Pizza Shack offers the following pizza deals.

• A 16-inch diameter round pizza for $16

• Two 12-inch diameter round pizzas for $17.50

• A 15-inch square pizza for $17

Now, For first deal;

• A 16-inch diameter round pizza for $16

Hence, The cost of 1 inch diameter round pizza = $16/16

                                                                         = $1

For second deal;

• Two 12-inch diameter round pizzas for $17.50

Hence, Cost of 1 round pizza for 1 inch diameter = $17.50 / 2×12

                                                                          = $0.73

For third deal;

• A 15-inch square pizza for $17

Hence, The cost of 1 inch diameter round pizza = $17/15

                                                                         = $1.13

Thus, The best deal is,

Two 12-inch diameter round pizzas for $17.50

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The new current if the voltage is increased to 9 volts is given as follows:

0.18A = 180 mA.

Ohm's First Law states that a circuit's voltage is obtained as the multiplication of the resistance and of the current, as follows:

V = RI.

In which:

When 8 volts are applied to a circuit, 160 milliamperes (mA) = 0.16 A of current flow through the circuit, hence the resistance is obtained as follows:

8 = 0.16R

R = 8/0.16

R = 50 ohms.

Then the new current if the voltage is increased to 9 volts is given as follows:

9 = 50I

I = 9/50

I = 0.18A = 180 mA.

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2+n is the expression used to represent the number of cups used.

An expression is combination of variables, numbers and operators.

Given that chef uses 2 cups of olive oil and n cups of for the total corn oil.

We have to find the  expression number of cups used.

The expression for the total number of cups used would be 2 cups of olive oil + n cups of corn oil, which can be written as:

2 + n

Hence, 2+n is the expression used to represent the number of cups used.

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Answer:

Below

Step-by-step explanation:

Find AE using similar triangle ratios

AB is to 9   as 6 is to 8

AB / 9 = 6/8

AB = 6.75       AE = AB + EB =  6.75 + 6 = 12.75 cm

The rate of the airplane with no wind is; 475 mph

The rate of the wind is; 25 mph

The "rate" at which something travels can be referred to as velocity.

Thus;

Velocity(V) = displacement / time

So using the given parameters we can say that the speed going with the wind is;

Vp + Vw = 1800/3.6

Vp + Vw = 500 mph    ------(1)

In a similar fashion, the speed going against the wind, is expressed as;

Vp - Vw = 1800/4

Vp - Vw = 450 mph    ------(2)

Add equation 1 and 2 to get;

2Vp = 950 mph

Vp = 950/2

Vp = 475 mph

Similarly;

475 - Vw = 450 mph

Vw = 25 mph

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Model B is appropriate since the relationship between x and log y is linear. Hence, option E is the correct answer to this question.

The conclusion can be made based on the residual plot of Model B, which shows a linear pattern, indicating a good fit between the model and the data.

On the other hand, the residual plot of Model A shows a non-linear pattern, suggesting that the relationship between x and y may not be well-represented by a linear model.

By taking the logarithm of one or both of the variables, it may be possible to linearize the relationship and obtain a better model fit. Here, Model B, which models the relationship between x and log y, appears to be the more appropriate model.

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The complete question is -

Two variables, x, and y, were measured for a random sample of 25 subjects, and two separate regression models were fit to the data. The least squares estimation of the parameters in Model A yielded the following equation and residual plot. The least squares estimation of the parameters in Model B yielded the following equation and residual plot. Which of the following conclusions is correct?

(a) Model A is appropriate since the relationship between x and y is linear.

(b) Model B is appropriate since the relationship between x and y is linear.

(c) Model A is appropriate since the relationship between log x and log y is linear.

(d) Model A is appropriate since the relationship between log x and y is linear.

(e) Model B is appropriate since the relationship between x and log y is linear.

Answer:

k= (10-c)/2

Step-by-step explanation:

y = 2x + c

put x = k and y = 10 in equation

10 = 2k+c

10-c = 2k

(10-c)/2 = k

The function f(x) = 4x - 11/(x - 2) cannot be written in the form g(x) = a/(x - h) + k because the denominator of f(x) is not linear. The denominator is a quadratic equation and cannot be written in the form x - h. The form g(x) = a/(x - h) + k is only applicable to linear functions.

A Type II error in this setting would be failing to reject the null hypothesis when it is actually false.

In statistics, hypothesis testing is the process by which an analyst tests an assumption about a population's parameter. Using sample data, hypothesis testing is performed to examine the plausibility of a theory.

Here are their hypotheses:

H0​​​:μ=8.9 kg

​Ha​​:μ<8.9 kg​

(where μ is the mean amount of CO2 emitted by burning one gallon of this new gasoline).

In this case, a Type II error would be failing to reject the null hypothesis when it is actually false.

In other words, accepting that the mean amount of CO₂ emitted is equal to 8.9 kg when it is actually less than 8.9 kg.

Thus, reject the null hypothesis.

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As per the above given triangles the value of x is 45°.

Three-line segments joined end to end form the geometric shape of a triangle, which exists in two dimensions. These line segments are each referred to as a side, and the three locations where the sides converge are known as vertices. The type of triangle is determined by the angles between the sides and their lengths. Triangles can be classified as being equilateral, isosceles, scalene, right, or acute. The fact that a triangle's internal angles always add up to 180 degrees is just one of the intriguing characteristics of triangles. Triangles are a crucial idea in geometry and mathematics because they can provide the foundation for more complicated shapes and structures.

According to question:

[Since angles made by same chord on circumference are equal]

Sum of angles of triangle is 180°

47°+88°+x=180°

135+x=180

x=45°

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Answer:

Step-by-step explanation:

-14(8x-34)

First multiply -14 through the entire equation -14*8=-112 and -34*- (-14) =476

Now the equation is -112x + 476 and then subtract 476 from both sides to be able to solve for x

-112x = -476 and finally divide both sides by -112 to isolate x and find the answer

x= 4.25

Charles should hire 20 workers for each hour.

To determine the optimal number of workers to hire, Charles needs to compare the marginal cost and marginal benefit of each additional worker.

The marginal benefit of each worker is the additional number of drinks they can produce multiplied by the average selling price per drink. The marginal cost is the hourly wage of each worker multiplied by the number of hours they work.

Initially, the marginal benefit of the first worker is 20 drinks * $3/drink = $60.

The marginal cost is $15/worker * 8 hours = $120.

The second worker has a marginal benefit of 18 drinks * $3/drink = $54.

The marginal cost is still $120.

For each additional worker hired, the marginal benefit decreases by 2 drinks * $3/drink = $6, while the marginal cost remains constant at $120.

Charles should hire workers as long as the marginal benefit is greater than the marginal cost.

Once the marginal benefit is equal to or less than the marginal cost, it is no longer profitable to hire more workers.

Therefore, Charles should hire workers until the marginal benefit is equal to the marginal cost, which occurs when the marginal benefit is $120.

To find out how many workers will provide a marginal benefit of $120, we set the marginal benefit equal to $120 and solve for the number of workers:

$6 * n = $120

$n = 20

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We rule up the team members, say by Social Security number. We now ask each in turn her/his job explanation and political affiliation and data the information.

For any person, the information can be recorded as an instruct pair (x ,y) where x is one of B or W, and y is one of R, D, or I. So, there are for any person 6 possible records. The team conclusion is a sequence of such records, of length 15. Thus, for our team there are 6^15 possible results.

How many of these results have at least one blue-collar worker? How many have no blue-collar worker? Then x=W, and y can still take on any of 3 values, for a total of 3^15 possibilities. Thus, the number of possible summaries with at least one B is 6^15−3^15.

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