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Luis walks 69.4 ft between points A and B.

To determine how far Luis walk between points A and B, we can sketch the diagram as shown in the attached image.

Note: height of the triangle = 48 - 4.5 = 43.5 ft

Using the image and trigonometric ratio:

Let the distance from point B to the building be x.

tan 34° = 43.5/x (opposite/adjacent)

x = 43.5/(tan 34°)

x = 64.49 ft

Also,

tan 18° = 43.5/(x + AB)

tan 18° = 43.5/(64.49 + AB)

(64.49 + AB) = 43.5/(tan 18°)

64.49 + AB = 133.88

AB = 133.88 - 64.49

AB = 69.39 ft

AB = 69.4 ft

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Answer: [tex]6\sqrt{2}[/tex]

Step-by-step explanation:

We know that one angle is 45 degrees and another is 90 degrees. That means the third angle is also 45 degrees, because all angles in a triangle add up to 180 degrees. This means that the triangle we are dealing with is an isosceles right triangle, meaning the the 2 equal legs form a right angle and are equal in length. If one leg is 6, the other leg must be 6, too.

Then, by the Pythagorean theorem, x=[tex]\sqrt{6^2+6^2}[/tex]=[tex]\sqrt{72}=6\sqrt{2}[/tex].

Answer:

774 total coins

Step-by-step explanation:

The height of the given rectangle is

126, so we have 126 ÷ 7 = 18.

Counting by 18's, we have

18 × 3 = 54 coins between 0 grams and 5 grams.

18 × 20 = 360 coins between 5 grams and 7 grams.

18 × 13 = 234 coins between 17 and 22 grams.

126 + 54 + 360 + 234 = 774 total coins.

Answer:/

Step-by-step explanation:

The correct statement regarding dilation is -

B. Triangle L'M'N' is an enlargement of triangle LMN.

What is dilation?

Resizing an item uses a transition called dilation. Dilation is used to enlarge or contract the items. The result of this transformation is an image with the same shape as the original. However, there is a variation in the shape's size. The initial shape should be stretched or contracted during a dilatation.

A dilation is a transformation that changes the size of a figure, but not its shape.

If the scale factor of the dilation is greater than 1, then the resulting figure will be an enlargement.

If the scale factor is between 0 and 1, then the resulting figure will be a reduction.

If the scale factor is 1, then the resulting figure will be the same size as the original.

In this case, the scale factor of the dilation is 3, which is greater than 1.

Therefore, triangle L'M'N' is an enlargement of triangle LMN.

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The probability that the driver will be seriously injured during the course of the year is 4.734 × 10^(-2).

The probability that the driver will be seriously injured during the course of 15 months is 0.442

The probability that the driver will be injured in the next 100 hours is 0.001 or 0.1%.

Given the probability of being seriously injured in an unspecified location is about .1% per hour, the probability that the driver will be seriously injured during the course of the year is obtained as follows:Probability of being injured in an hour, P(A) = 0.1% = 0.1/100 = 0.001Probability of not being injured in an hour, P(B) = 1 - 0.001 = 0.999Probability of being injured in 1200 hours is:P(A and A and A .... 1200 times) = 0.001 x 0.001 x ... 1200 times= 0.001¹²⁰⁰= 4.734 × 10^(-2)Therefore, the probability that the driver will be seriously injured during the course of the year is 4.734 × 10^(-2).

Probability that the driver will be seriously injured during the course of 15 months is:Probability of being injured in an hour, P(A) = 0.1% = 0.1/100 = 0.001Probability of not being injured in an hour, P(B) = 1 - 0.001 = 0.999Number of hours in 15 months is 15 × 30 × 24 = 10800 hoursProbability of being injured in 10800 hours is:P(A and A and A .... 10800 times) = 0.001 x 0.001 x ... 10800 times= 0.001¹⁰⁸⁰⁰= 0.442Therefore, the probability that the driver will be seriously injured during the course of 15 months is 0.442

.Expected number of hours that a driver will drive before being seriously injured is:Expected number of hours = 1/P(A)= 1/0.001= 1000 hoursGiven that a driver has driven 1200 hours, the probability that he or she will be injured in the next 100 hours is:P(A and B) = P(A) × P(B)= 0.001 × 0.999= 0.000999, approximately 0.001 or 0.1%.Therefore, the probability that the driver will be injured in the next 100 hours is 0.001 or 0.1%.

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The graph of the inequalities and the shaded region are added as an attachment

From the question, we can make use of the following representations for the cell phones

Using the problem statements from the question, we have the following table of values

                         x             y       Available

Labor (hours)   3            4         640

Materials ($)     75         60       12900

Next, we determine the constraints

From the above, we have the following constraints of inequalities:

3x + 4y ≤ 640              

75x + 60y ≤ 12900

See attachment for the graph of the inequalities

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The solutions to the compound inequality are as follows:

x > 4 or x ≥ 2.

A compound inequality in mathematics is a phrase that joins two claims with the conjunctions "and" or "or."

Both of the statements are true simultaneously if the conjunction "and" is used to unite them in the compound sentence. If the conjunction "or" is used to combine the assertions, then the compound statement is true if at least one of the claims is true.

Now solving the inequality:

2x + 9 > 17 or -5x ≥ 10.

2x + 9 > 17

⇒ 2x > 8

⇒ x > 4

Now,

-5x ≥ 10

⇒ -x ≥ 2

⇒ x ≥ 2

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[tex]2x+9 > 17\ or\ -5x\geq 10[/tex] compound inequalities is as follows:

x > 4 or x ≥ 2.

In mathematics, a compound inequality is a sentence containing two statements joined by the word "and" or "or". If the statements are connected by the word "and", both statements in a compound sentence are true at the same time. A compound statement is true if at least one statement is true if the statements are connected by "or" A compound statement is true if at least one statement is true.

[tex]2x+9 > 17\ or\ -5x\geq 10[/tex]

Let take [tex]2x+9 > 17[/tex]

Subtract -9 on both sides

= 2x+9-9 > 17-9

= 2x+0 > 8

= 2x > 8

Now we need to divide by 2 both sides

= 2x÷2 > 8÷2

= x > 4

Now we solve -5x ≥ 10

= -5x ≥ 10

= -x ≥ 2

= x ≥ 2

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The reason why fixed effect models cannot estimate coefficients on variables that do not vary within a unit is because the de-meaned variables will not vary. The correct option is that the de-meaned variables will not vary within the unit.

A fixed-effect model is a statistical approach that is used to estimate the impact of time-invariant variables on an outcome variable. The model evaluates the fixed effects or constant differences between individual entities in a sample by controlling for the unobserved heterogeneity. In general, fixed effects models are commonly used in fields like economics, political science, public health, and social sciences.

In a fixed effect model, a "unit" refers to the subjects or observations that are being studied. A unit could be an individual, a company, a region, or anything else that the researcher is interested in studying. The fixed effect model is used to estimate the constant differences in the outcome variable between individual units by controlling for the unobserved heterogeneity.

What are the limitations of fixed effect models?

One of the limitations of fixed effect models is that they cannot estimate coefficients on variables that do not vary within a unit. This is because the de-meaned variables will not vary within the unit. Additionally, fixed effect models cannot be used to estimate the impact of time-invariant variables on the outcome variable. This is because these models rely on within-unit variation to identify the effects of the independent variables.

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Derick must buy more than 10 tacos for the VIP option to be cheaper than General Admission.

Total cost refers to the complete amount of money spent to produce or purchase a good or service. It includes both the fixed costs and the variable costs, as well as any other expenses incurred in the process, such as labor costs, materials, transportation, and overhead costs.

1) If Derick plans to buy 6 tacos, let's calculate the total cost of each option:

General Admission:

Admission: $10

Tacos: 6 x $4 = $24

Total: $10 + $24 = $34

VIP:

Admission: $35

Tacos: 6 x $1.50 = $9

Total: $35 + $9 = $44

Therefore, if Derick plans to buy 6 tacos, he should choose the General Admission option as it is cheaper.

2) If Derick has $50 to spend and wants to eat as many tacos as he can, let's calculate the maximum number of tacos he can buy under each option:

General Admission:

Tacos: ($50 - $10 - $5) / $4 = 8.75 tacos (rounded down to 8 tacos)

Total cost: $10 + $4 x 8 + $5 = $43

VIP:

Tacos: ($50 - $35) / $1.5 = 10.67 tacos (rounded down to 10 tacos)

Total cost: $35 + $1.5 x 10 = $50

Therefore, if Derick has $50 to spend and wants to eat as many tacos as he can, he should choose the VIP option as he can buy more tacos for the same amount of money.

3) To find the number of tacos that Derick must buy for the VIP option to be cheaper than General Admission, we need to set up an equation to solve for the number of tacos:

General Admission: $10 + $4x = total cost

VIP: $35 + $1.5x = total cost

We want to find the value of x (number of tacos) where the cost of the VIP option is less than the cost of the General Admission option:

$35 + $1.5x < $10 + $4x

Simplifying the inequality, we get:

$25 < $2.5x

Dividing both sides by $2.5, we get:

x > 10

Therefore, Derick must buy more than 10 tacos for the VIP option to be cheaper than General Admission.

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The required constant of proportionality from the original figure to the scaled copy is [tex]\frac{1}{6}$[/tex].

Relationships between two factors that are proportional occur when their ratios are equal. Another approach to consider them is that in a proportional relationship, one variable is consistently equal to the other's constant value. The "constant of ratio" is the name of this constant.

e can set up a proportion with the original side lengths and scaled side lengths:

[tex]$\frac{\text{Scaled copy length}}{\text{Original length}} = k$$[/tex]

where k is the constant of proportionality we want to find.

Using the given side lengths, we have:

[tex]$\frac{3}{18} = \frac{11}{66} = \frac{13}{78} = k$$[/tex]

To simplify this fraction, we can find the greatest common divisor of the numerator and denominator and divide both by it. In this case, we can see that 3, 11, and 13 have no common divisors other than 1. For the denominators, we can find that 18, 66, and 78 share a common factor of 6. Therefore, we can simplify the fraction to:

[tex]$k = \frac{1}{6}$$[/tex]

So the constant of proportionality from the original figure to the scaled copy is [tex]\frac{1}{6}$[/tex].

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Complete question:

A four-sided figure is resized to create a scaled copy. The lengths of its four

sides change as in the table below.

Original Figure     Scaled Copy

18                                   3

66                                 11

78                                  13

Find the constant of proportionality from the original

figure to the scaled copy. Express your answer as a

fraction in reduced terms.

Step-by-step explanation:

these are triangles.

for triangle EFG we have

EF = sqrt((6 - 9)² + (2 - 2)²) = sqrt(9) = 3

EG = sqrt((6 - 8)² + (2 - 7)²) = sqrt(4 + 25) = sqrt(29)

FG = sqrt((9 - 8)² + (2 - 7)²) = sqrt(1 + 25) = sqrt(26)

for triangle HIJ we have

HI = sqrt((0 - 0)² + (0 - 3)²) = sqrt(9) = 3

HI corresponds to EF.

now, J = (x, y) with the same side lengths to H and I, as G to E and F.

so,

HJ = sqrt((0 - x)² + (0 - y)²) = sqrt(29)

but it could be also

HJ = sqrt((0 - x)² + (0 - y)²) = sqrt(26)

in the same way

IJ = sqrt((0 - x)² + (3 - y)²) = sqrt(29)

but it could be also

IJ = sqrt((0 - x)² + (3 - y)²) = sqrt(26)

we just have to make sure that they are different.

for HJ we get

sqrt(x² + y²) = sqrt(29) or sqrt(26)

x² + y² = 29 or 26

for IJ we get

sqrt(x² + (3 - y)²) = sqrt(29) or sqrt(26)

x² + (3 - y)² = 29 or 26

x² + 9 - 6y + y² = 29 or 26

let's start with

x² + y² = 29

y² = 29 - x²

y = sqrt(29 - x²)

this gives us for the second case

x² + 9 - 6y + y² = 26

x² + 9 - 6sqrt(29 - x²) + 29 - x² = 26

-6sqrt(29 - x²) + 29 = 17

-6sqrt(29 - x²) = -12

sqrt(29 - x²) = 2

29 - x² = 4

-x² = -25

x² = 25

x = ±5

remember, the solution to a square root always has a positive and a negative value, as the square of them is the same.

out of

x² + y² = 29

we get now

5² + y² = 29

25 + y² = 29

y² = 4

y = ±2

out of the ±5, ±2 combinations we need to verify also with

x² + 9 - 6y + y² = 26

we see, x = ±5, y = +2 this is correct

25 + 9 - 12 + 4 = 26

but for x = ±5, y = -2 this fails

25 + 9 + 12 + 4 = 26

50 = 26 is wrong.

so, we get for

HJ = sqrt(29), IJ = sqrt(26) the possible solutions

J = (5, 2), J = (-5, 2)

now, let's look at

x² + y² = 26

y² = 26 - x²

y = sqrt(26 - x²)

this gives us for the second case

x² + 9 - 6y + y² = 29

x² + 9 - 6sqrt(26 - x²) + 26 - x² = 29

-6sqrt(26 - x²) + 26 = 20

-6sqrt(26 - x²) = -6

sqrt(26 - x²) = 1

26 - x² = 1

-x² = -25

x² = 25

x = ±5

remember, the solution to a square root always has a positive and a negative value, as the square of them is the same.

out of

x² + y² = 26

we get now

5² + y² = 26

25 + y² = 26

y² = 1

y = ±1

out of the ±5, ±1 combinations we need to verify also with

x² + 9 - 6y + y² = 29

we see, x = ±5, y = +1 this is correct

25 + 9 - 6 + 1 = 29

but for x = ±5, y = -1 this fails

25 + 9 + 6 + 1 = 29

41 = 29 is wrong.

so, we get for

HJ = sqrt(26), IJ = sqrt(29) the possible solutions

J = (5, 1), J = (-5, 1)

we can say the 4 possible solutions are caused by the same solution for J, one on the left, and one on the right side of HI. and one for HJ = sqrt(29), and one for HJ = sqrt (26), as nobody defined the correlation of the legs. it could be up or down.

so, in total 2×2 = 4 solutions.

The new coordinates that define the figure after dilation with a center at the origin by a scale factor of 1/3 are (0, 0), (0, 4/3), (1, 0), and (1, 4/3).

The new coordinates that define the figure after dilation with a center at the origin by a scale factor of 3/2 are (0, 0), (9/2, 0), (0, 6), and (9/2, 6).

The points that weren't used in either point A or B are (6, 0), (4/3, 0).

In Mathematics and Geometry, dilation can be defined as a type of transformation which typically changes the size of a geometric object, but not its shape.

Next, we would have to dilate the coordinates of the pre-image by using a scale factor of 1/3 centered at the origin as follows:

Ordered pair A (0, 0) → Ordered pair A' (0 × 1/3, 0 × 1/3) = (0, 0).

Ordered pair B (3, 0) → Ordered pair B' (3 × 1/3, 0 × 1/3) = (1, 0).

Ordered pair C (0, 4) → Ordered pair C' (0 × 1/3, 4 × 1/3) = (0, 4/3).

Ordered pair D (3, 4) → Ordered pair C' (3 × 1/3, 4 × 1/3) = (1, 4/3).

Furthermore, we would dilate the coordinates of the pre-image by using a scale factor of 3/2 centered at the origin as follows:

Ordered pair A (0, 0) → Ordered pair A' (0 × 3/2, 0 × 3/2) = (0, 0).

Ordered pair B (3, 0) → Ordered pair B' (3 × 3/2, 0 × 3/2) = (9/2, 0).

Ordered pair C (0, 4) → Ordered pair C' (0 × 3/2, 4 × 3/2) = (0, 6).

Ordered pair D (3, 4) → Ordered pair C' (3 × 3/2, 4 × 3/2) = (9/2, 6).

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Complete Question:

Match the new coordinates that define the figure after dilation with a center at the origin by the given scale factor.

List of new coordinates: (0, 6) , (0, 4/3) , (1, 0) , (1, 4/3) , (6, 0) , (4/3, 0) , (9/2, 0) , (9/2, 6)

Scale factor 1/3: (List all coordinates under scale factor 1/3)

Scale Factor 3/2: (List all coordinates under scale factor 3/2)

Point NOT USED: (List all coordinates under Point NOT USED if they couldn't be used)

Answer: f(0) ≈ 4.37

Step-by-step explanation:

We can use the information given to find the base and the equation of the exponential function.

Let the exponential function be of the form f(x) = a*b^x, where a is the initial value of f(0) and b is the base of the exponential function.

From the given information, we have:

f(-3) = 27 = ab^(-3)

f(0.5) = 83 = ab^(0.5)

To eliminate the variable a, we can divide the second equation by the first equation:

f(0.5)/f(-3) = (ab^(0.5))/(ab^(-3))

83/27 = b^(0.5+3)

b^3 = (83/27)^2

b = (83/27)^(2/3)

Substituting this value of b in the first equation, we can solve for a:

27 = a*(83/27)^(-1)

a = 27*(83/27)

Therefore, the equation of the exponential function is f(x) = (83/27)^(2/3)*((83/27)^(-1))^x.

To find f(0), we substitute x = 0 in the above equation:

f(0) = (83/27)^(2/3)*((83/27)^(-1))^0

f(0) = (83/27)^(2/3)

f(0) ≈ 4.37

The answer of the given question based on similarity is the missing length UT is approximately 66.67.

A triangle is  basic two-dimensional geometric shape that consists of the three straight sides and three angles. Triangles can be classified in different ways based on the sides and angles. Based on their sides, triangles can be classified as the equilateral, the isosceles or the scalene. the equilateral triangle has three equal sides, the  isosceles triangle has two equal sides, and the scalene triangle has no equal sides.

Based on their angles, triangles can be classified as acute, obtuse, or right-angled. A right-angled triangle has one angle that is a right angle (90 degrees), an acute triangle has all angles less than 90 degrees, and an obtuse triangle has one angle greater than 90 degrees.

Since the triangles UVT and MLK are similar, their corresponding sides are proportional. We can set the following proportion:

UT/UVT = LK/MLK

Substituting the given values, we get:

UT/60 = 130/117

Solving for UT, we get:

UT = (60 x 130)/117

UT ≈ 66.67

Therefore, the missing length UT is approximately 66.67.

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Para resolver la multiplicación 34 x 4 usando sumas repetidas, podemos seguir los siguientes pasos:

Empezamos sumando 34 cuatro veces:

34 + 34 + 34 + 34 = 136

La suma resultante de la etapa anterior es la respuesta, por lo que podemos concluir que:

34 x 4 = 136

Por lo tanto, hemos resuelto la multiplicación 34 x 4 usando sumas repetidas y obtenido la respuesta de 136.

A continuación, mostraremos otra forma de resolver el mismo problema utilizando la propiedad distributiva de la multiplicación.

Segundo, muestra cómo

4

×

(

3

4

)

4

×

(

3

4

)

se puede resolver utilizando la propiedad distributiva.

Respuesta:

Para resolver la multiplicación 4 x (34) utilizando la propiedad distributiva, podemos seguir los siguientes pasos:

Dividimos el factor 34 en dos partes: 30 y 4/4.

Multiplicamos cada parte por el otro factor, 4:

4 x 30 = 120

4 x (4/4) = 4

Sumamos los resultados de las dos multiplicaciones:

120 + 4 = 124

Por lo tanto, hemos resuelto la multiplicación 4 x (34) utilizando la propiedad distributiva y obtenido la respuesta de 124.

En conclusión, aunque se pueden resolver de diferentes maneras, ambas formas nos llevan al mismo resultado.

In response to the query, we can state that We can broaden the equation to test if it corresponds to the provided table:

[tex]0: p(0) = 0^2 - 11(0) + 19.25 = 17\s1: p(1) = 1^2 - 11(1[/tex]

An equation is a mathematical statement that proves the equality of two expressions connected by an equal sign '='. For instance, 2x – 5 = 13. Expressions include 2x-5 and 13. '=' is the character that links the two expressions. A mathematical formula that has two algebraic expressions on either side of an equal sign (=) is known as an equation. It depicts the equivalency relationship between the left and right formulas. L.H.S. = R.H.S. (left side = right side) in any formula.

[tex]ax^2 + bx^2 + c = p(x)[/tex]

We can determine a and b by using the coordinates of any two points on the parabola. Using points (1, 7) and (2, 1) as examples

[tex]a(1)^2 + b(1) + c = 7\\a(2)^2 + b(2) + c = 1[/tex]

When we simplify each equation, we obtain:

[tex]a + b + c = 7\\4a + 2b + c = 1\\h = -b / 2a = -(-11) / 2(1) = 5.5[/tex]

Hence, the vertex is (5.5, p(5.5)), and to finish the equation, we merely need to determine p(5.5).

We can broaden the equation to test if it corresponds to the provided table:

[tex]p(x) = (x - 5.5) (x - 5.5)\\a^2 - 11\s= x^2 - 11x + 30.25 - 11\s= x^2 - 11x + 19.25\\-1: p(-1) = (-1) (-1)\\a^2 - 11(-1) + 19.25 = 31\\[/tex]

[tex]0: p(0) = 0^2 - 11(0) + 19.25 = 17\s1: p(1) = 1^2 - 11(1[/tex]

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The number of cubes that are needed to fill the rectangular prism is given as follows:

648 cubes.

The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, according to the equation presented as follows:

Volume = length x width x height.

The dimensions of the prism are given as follows:

l = 6 cm, w = 3 cm, h = 4.5 cm.

Hence the volume of the prism is given as follows:

V = 6 x 3 x 4.5

V = 81 cm³.

The volume of the cube is given as follows:

V = (0.5)³

V = 0.125.

Hence the number of cubes needed to fill the prism is given as follows:

81/0.125 = 648 cubes.

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Answer:

Z = 108º

Step-by-step explanation:

The interior angles of a quadrilateral (4-sided figure) sum to 360º (think about a rectangle). Therefore,

(x + 2x + 4x + 3x)º = 360º

↓ combining like terms

10xº = 360º

↓ dividing by 10º

x = 36

We can use this x-value to find the measure of angle Z.

Z = 3xº

Z = 3(36)º

Z = 108º

The probability that fewer than three calls will be received in the first 6 seconds is 0.9197 or approximately 0.92.

Given:

Let's convert the given time period of 6 seconds into minutes, as our arrival rate is in calls per minute.

6 seconds = 6/60 minutes = 0.1 minutes

We are given that the average rate of calls is 10 per minute, which means that the arrival rate per 0.1 minute is:

A = 10/minute * 0.1 minute = 1 call

We need to find the probability that fewer than three calls will be received in 0.1 minutes. We can use the Poisson distribution formula to calculate this probability:

Pr(X < 3) = Pr(X=0) + Pr(X=1) + Pr(X=2)Pr(X=k) = At^k/k! , so

Pr(X=0) = e^(-A)*(A^0/0!) = e^(-1) = 0.3679

Pr(X=1) = e^(-A)*(A^1/1!) = e^(-1)*1 = 0.3679

Pr(X=2) = e^(-A)*(A^2/2!) = e^(-1)11/2 = 0.1839

Therefore,

Pr(X < 3) = 0.3679 + 0.3679 + 0.1839 = 0.9197

Hence, the probability that fewer than three calls will be received in the first 6 seconds is 0.9197 or approximately 0.92.

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The tοtal number οf cοοkies that Lizzie have is 272.

Read the prοblem carefully and determine the number οf bags in a bοx frοm that find the number οf cοοkies in each bag.  

Nοw tο determine the number οf cοοkies that Lizzie has fοund the number οf cοοkies in οne and multiply the number bοx that Lizzie has with the number οf cοοkies in οne bag.

Here we have

Lizzie has 4 1/4 bοxes οf cοοkies

One full bοx cοntains 16 bags οf cοοkies  

Number οf cοοkies in each bag 4  

=> Number οf cοοkies in 16 bags = 4 × 16 = 64

Hence, the number οf cοοkies in 1 bοx = 64

Sο the number οf cοοkies that Lizzies can be calculated as fοllοws

=> 4 × 64 + 1/4(64)   [ Since she have 4 1/4 bοxes οf cοοkies ]

= 256 + 16 = 272

Therefοre,

The tοtal number οf cοοkies that Lizzie have is 272.

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Answer: 2. Two numbers are 35 and 21

Step-by-step explanation:

( see images!)

so hmm the reply above is very nice by "2023Kl" for 2)

let's poke the one before 2)

J = Jar of cottage cheese price

B = Buns of bread price

so two J and three B cost €10, that means 2J + 3B = 10.

we also know that one J is €2 more than a B, so J = B + 2.

[tex]J=B+2 \\\\[-0.35em] ~\dotfill\\\\ 2J+3B=10\implies \stackrel{\textit{substituting from above}}{2(B+2)+3B=10}\implies 2B+4+3B=10 \\\\\\ 5B+4=10\implies 5B=6\implies B=\cfrac{6}{5}\implies \boxed{B=1.2} \\\\\\ J=B+2\implies J=\cfrac{6}{5}+2\implies J=\cfrac{6+10}{5}\implies J=\cfrac{16}{5}\implies \boxed{J=3.2}[/tex]

The simplification of the given square root expression by using the rules of indices is obtained as: 9/8.

Any product of numbers is written relatively succinctly using a power or an index. Indexes is the plural of index. In this booklet, we will remind everyone of how to do this and list some laws or principles that can be applied to make indices-based expressions simpler.

The laws of indices are a set of guidelines used to regulate expressions involving indices.

The given expression is-

= [tex]\sqrt{(\frac{9}{8})^{2} }[/tex]

Convert the square root into the fractional power.

= [tex]((\frac{9}{8} )^{2}) ^{\frac{1}{2} }[/tex]

This, power 1/2 and 2 will get cancelled to give:

= 9/8

Thus, the simplification of the given square root expression by using the rules of indices is obtained as: 9/8.

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Solution set is {7, -6}

The given logarithmic equation is as follows:loga(x - 2) - loga(x + 9) = loga(x - 3) - loga(x + 4)To determine the equation to be solved after removing the logarithm, we need to apply the logarithmic identity:loga(b) - loga(c) = loga(b / c)Using this identity in the above equation, we get:loga[(x - 2) / (x + 9)] = loga[(x - 3) / (x + 4)]Now, we can equate the logarithmic expressions inside the function. Therefore,(x - 2) / (x + 9) = (x - 3) / (x + 4)Cross-multiplying the above equation, we get:(x - 2)(x + 4) = (x + 9)(x - 3)Simplifying the above equation, we get:x² - 5x - 42 = 0Factoring the above equation, we get:(x - 7)(x + 6) = 0Therefore, the solutions are x = 7 and x = -6. Hence, the solution set is {7, -6}.Thus, the correct choice is A. The solution set is {7, -6}.

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Answer:

24

Step-by-step explanation:

To find the number of cubes needed, you multiply the area times the hight. Since we want to find just one layer, the height is 1.

1*24=24

The correct option is (A) The mean increases by 2 based on calculation of mean.

To determine the effect of adding 3 to the data set on the mean, we need to calculate the current mean of the data set and then add 3 to each data value and calculate the new mean. The given data set is:

{2, 4, 3, 5, 1}

The mean:

Mean = (2 + 4 + 3 + 5 + 1)/5 = 15/5 = 3

Now, if we add 3 to each data value, the new data set:

{5, 7, 6, 8, 4}

New Mean = (5 + 7 + 6 + 8 + 4)/5 = 30/5 = 6

Comparing the two means, we can see that the mean of the data set increased from 3 to 6 after adding 3 to each data value.

Note that adding a constant value to each data point in a data set will shift the data set by the same value, but it will not change the spread or shape of the data set.

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The displacement of the particle from time t=0 to time t=15 is approximately -11.37.

The displacement of the particle from time t=0 to time t=15 is given by the formula[tex]$\Delta x = x(t_2) - x(t_1)$[/tex]. Using the given velocity function and the initial position of the particle, we can calculate the displacement of the particle from time t=0 to time t=15 as follows:
[tex]$\Delta x = x(15) - x(0) = \into_{0}^{15} v(t) dt - 2.5 = \int_{0}^{15} cos(8e^{-0.2t}) dt - 2.5$[/tex]
Using integration by parts, we get:
[tex]$\Delta x = -sin(8e^{-0.2*15}) + sin(8e^{-0.2*0}) - 2.5$[/tex]
Therefore, the displacement of the particle from time t=0 to time t=15 is given by:
[tex]$\Delta x[/tex] =[tex]-sin(8e^{-3})[/tex]+ [tex]sin(8) - 2.5$[/tex]
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Answer:N/A

Step-by-step explanation:

I need more context to answer this question.

Eva and Jin volunteer on the first day of the month, if they volunteer once a month (assuming this month has 31 days) it would be 31 days until they volunteer again. Now, if Eva volunteers every 6 days and Jin volunteers every two days (this is just an example) on the sixth of the month is when they will volunteer on the same day. If you want a complete answer I would recommend writing the whole question.

The psychologists should respect the dignity and rights of their clients, colleagues, and research participants.

Likert-responses in the social sciences are considered ordinal in nature. The Likert Scale is a psychometric tool used to measure attitudes or opinions of a group of people or an individual. It is named after its developer, Rensis Likert, who was an American psychologist. The Likert Scale includes a series of statements that respondents are asked to respond to based on their level of agreement or disagreement. The scale can have an odd or even number of response options, with the most common being a 5-point scale.

The Belmont Report is a 3-principle guideline that informs ethical practices in research involving human subjects. The three principles are:

1. Respect for persons: Participants should be treated as autonomous agents who are capable of making decisions for themselves.
2. Beneficence: The research should have potential benefits that justify the risks involved.
3. Justice: The selection of participants should be fair and representative.

The APA Code of Ethics, on the other hand, has 5 principles. They are:

1. Beneficence and Non-maleficence: Psychologists should do no harm and ensure that their interventions have positive outcomes.
2. Fidelity and Responsibility: Psychologists should uphold their professional responsibilities and strive to be honest, trustworthy, and respectful.
3. Integrity: Psychologists should promote accuracy, honesty, and truthfulness in their research, teaching, and practice.
4. Justice: Psychologists should promote fairness and justice in their work and ensure that their research is unbiased and representative.
5. Respect for People's Rights and Dignity: Psychologists should respect the dignity and rights of their clients, colleagues, and research participants.

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