Which descriptions from the list below accurately describe the relationship
between AQRS and ATUV? Check all that apply.
4
76°
4
Q2S
76
12
28
76
T 6
12
76
A. Congruent
B. Similar
c. Same size
D. Same sides

Respuesta: 10

Solución paso a paso:

Si x es 1, eso significa que el x en la ecuación es 1. Entonces, cambiamos la x por 1, entonces nos quedamos con:

y = 2(1) + 8

Si evalúas esto, te quedas con 10.

The total cost for Bolt Electric Company and Zap Electric Company are y = 0.12r + 2.83 and y = 0.06r + 6.55 respectively

An equation is an expression that shows the relationship between two or more numbers and variables.

Let r represent the number of kilowatt hours you use in one month, and let y represent the total cost of your electric service.

The Bolt Electric Company charges $0. 12 per kilowatt hour plus a $2.83 monthly service fee. Hence:

y = 0.12r + 2.83

The Zap Electric Company charges $0.06 per kilowatt hour plus a $6.55 monthly service fee. Hence:

y = 0.06r + 6.55

The cost is y = 0.06r + 6.55 and y = 0.12r + 2.83

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Answer:

x=4

Step-by-step explanation:

Square root of four equals 2 then +2 = 4

Using probability of a randomly chosen person, 270 people should have age less than or equal to 25.

From the given question,

Mean = 48.69

Standard Deviation = 17.993

We have to find the distribution of age is normal calculate the number of people who should be 25 years of age or less.

If 'X' is the age of a randomly selected individual in the sample, and that individual has a mean and a standard deviation that are normally distributed, then that individual's age has a standard normal score of -

Z = X- Mean/standard deviation

Z = X-48.69/17.993

Thus, Z-score for 25 year old is -

Z = 25 -48.69/17.993

Z = -23.69/17.993

Z = -1.317

Z= -1.317(approx)

The probability of a randomly chosen person to be 25 years of age or less in the sample is -

P(X < 25) = P(Z < -1.317)

P(X < 25) = 0.0939

As there are N = 2867 people in the data, so number of people expected to have age less than 25 is -

n = N x P(X < 25)

n = 2867 x 0.0939

n = 269.21

n = 270(approx)

Thus, 270 people should have age less than or equal to 25.

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Right question

"If the mean is 48.69 and the standard deviation 17.993. Assuming the distribution of age is normal calculate the number of people who should be 25 years of age or less.

Statistic

Number valid = 2867

Answer:

1/24 yd

Step-by-step explanation:

Since he cut the wire into 4 pieces of equal length, each piece is 1/4 the length of the original piece.

1/4 of 1/6 of a yd

1/4 × 1/6 yd = 1/24 yd

The annual percentage yield (APY) of Russ is 4.39 %

What is Annual Percentage Yield?

The annual percentage yield (APY) is the real rate of return earned on an investment, taking into account the effect of compounding interest.

Given data ,

Deposit amount of Russ = $ 4500

Interest rate R = 4.3 %

And it is given that the interest rate is compounded daily , so

Interest rate R = 4.3 % / 365

                        = 0.043 / 365

                        = 0.0001178

Now , The annual percentage yield (APY) is calculated as

The interest amount = 4500 x ( 1 + 0.0001178 )³⁶⁵

                                  = 4500 x ( 1.0001178 )³⁶⁵

                                  = 4500 x 1.04393211

                                  = 4697.694

                                  ≈ 4697.69

Therefore , the interest will be

= 4697.69 - 4500

= $ 197.69

Now , the annual percentage yield (APY) is given by

= Interest / Deposit

= 197.69 / 4500

= 0.0439

≈ 4.39 %

Hence , annual percentage yield (APY) of Russ is 4.39 %

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Answer:it will be D

Step-by-step explanation: because $100 + 4%=$100.4

The coordinates of the image are -2P

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

Ry = -2(P)

To calculate the coordinate of the image, we simply open the bracket

So, we have

Ry = -2(P)

Solving further, the equation can be represented as

Ry = -2 * P

Evaluate the product

So, we have the following representation

Ry = -2P

Hence, the image has an coordinate or ordered pair of -2P

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The amount of saline and water in the solution is given as 27.9 cm³ and 282.1 cm³ respectively.

Given,

A patient is administered 310cm^3 of a saline and water solution that is labeled as 9% saline.

What is saline solution?

Salt and water are combined to make saline. Because of its salt content (0.9% saline), which is comparable to that of tears, blood, and other bodily fluids, a normal saline solution is known as normal. Isotonic solution is another name for it.

Here,

Amount of saline = 0.09 × 310 = 27.9

Amount of water = 310 - 27.9 = 282.1

Thus, the amount of saline and water in the solution is given as 27.9 cm³ and 282.1 cm³ respectively.

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This is the way to find the endpoint if a confidence interval in the TI calculator:

An estimate's level of uncertainty is described by a confidence interval, which is a range of numbers.

A confidence interval is used to calculate an estimate for an unknown population parameter. Specifically, to provide an interval so that any value of the parameter falling inside the range is a credible value, and values falling outside the interval are implausible

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Answer:

[tex]y=-\frac{2}{3}x+1.[/tex]

Step-by-step explanation:

1. common form of slope-interception form is:

y=(slope)*x-interception;

Then

[tex]2. \ y=-\frac{2}{3} x+interception;[/tex]

3. in order to calculate the 'interception' is it needed to substitute the given coordinates into this non-completed equation:

[tex]5=-\frac{2}{3} *(-6)+interception; \\interception=1;[/tex]

4. finally, the required equation is:

[tex]y=-\frac{2}{3} x+1.[/tex]

Answer:

I hope it will be helpful for you.

Answer:

78 children

266 Adults

Step-by-step explanation:

Find the picture attached.

62 hours is 86% percent of 3 days

What is percentage and how to calculate it?

Percentage is the ratio in which the denominator is 100. To calculate the percentage we multiply the obtained value by 100.

We are given 62 hours and 3 days

Now 1 day has 24 hours

Hence 3 days will have 3*24 = 72 hours

Now To find the percentage we first have to find the ratio of 62 and 72

And to do that we divide 62 by 72

we get 62/72 = 0.86

To get the percentage we multiply this value by 100

0.86 * 100= 86%

Hence, 62 is 86% of 3 days

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The function has a maximum value of 30 at x = 3

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

F(x) = -3x²+18x+3

This can be expressed properly as

F(x) = -3x² + 18x + 3

A quadratic function is represented as

F(x) = ax² + bx + 3

By comparison, we have

a = -3

For a quadratic function to have a maximum value, the value of a must be less than 0

This means that the function has a maximum value because -3 is less than 0

Solving further, we have

F(x) = -3x² + 18x + 3

Differentiate and set to 0

-6x + 18 = 0

So, we have

x = 3

Substitute x = 3 in F(x)

F(3) = -3(3)² + 18(3) + 3

Evaluate

F(3) = 30

This represents the maximum value

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The regular selling price of each pizza is $13.60.

Given that, Giuseppe’s buys supplies to make pizzas for $4.

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

According to question,

Regular selling price = Cost price × (Operating expenses + Profit +1)

Cost price =$4

Operating expenses = 110% or 1.1

Profit = 130% or 1.3

Thus, regular selling price =$4 × (1.1 +1.3 +1)

Regular selling price  =$4 × 3.4

Regular selling price  = $13.60

Therefore, the regular selling price of each pizza is $13.60.

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System of linear equations for the graph below are y = -1/3(x) + 6 and

y = 4/3(x) + 1.

From the graph:

points for the line (0,1) and (3,5) .

points for the line (0,6) and (3,5)

slope m = y2 - y1 / x2 -x1

= 5 - 1 / 3 - 0

= 4/3

substitute (0,1) and m value in y = mx + c

1 = 4/3*0 + c

1 = 0 + c

c = 1

c and m value substitute

y = mx +c

y = 4/3(x) + 1

slope of (0,6) and (3,5) m = 5 - 6 / 3 - 0

= -1/3

substitute (0,6) and m value in y = mx + c

6 = -1/3*0 + c

6 = 0 + c

c = 6

c and m value substitute

y = mx + c

y = -1/3(x) + 6

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The distance between the points in radical form is [tex]\sqrt{52}[/tex]

What is distance formula ?

Formula for distances between pairs of points, an algebraic expression that expresses distances as a function of the coordinates of the points The Pythagorean theorem is the foundation for distance formulas for points in rectangular coordinates in two- and three-dimensional Euclidean space.

To calculate the distance we use distance formula

[tex]d = \sqrt{(x_{2} - x_{1} )^{2} + (y_{2} - y_{1} )^{2} }[/tex]

where [tex](x_{1},y_{1} )[/tex] and [tex](x_{2} , y_{2} )[/tex] are the 2 coordinates

[tex](x_{1},y_{1} )[/tex] = (-2,-4)

[tex](x_{2} , y_{2} )[/tex] = (4,0)

d = √(4 - (-2))² + (0 - (-4))²

d = √6² + 4²

d = √36 + 16

d = √52

√52 → radical form

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The area of triangle A, rectangle B and the whole figure are 12, 54 and 66 square units respectively.

A rectangle is a closed 2-D shape, having 4 sides, 4 corners, and 4 right angles (90°).The opposite sides of a rectangle are equal and parallel.

Area of rectangle:   The area of a rectangle is the product of its length 'a' and width or breadth 'b'. So, Area of Rectangle = (a × b) square units.

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.

Area of triangle: The area of a triangle is defined as the total region that is enclosed by the three sides of any particular triangle. Basically, it is equal to half of the base times height, i.e. A = 1/2 × b × h.

Here we have a diagram PQRTS comprising the triangle PQT and rectangle QRTS.

Given:   PS = 9 units & QR = 5 units  

         ⇒ PT = 4 units, RS = QT= 6 units

The area of ΔPQT= M = 1/2*b*h = 1/2*PT*QT

                     ⇒  M= 1/2*4*6=12 square units

                     ⇒  M = 12 square units

Now, the area of rectangle QRTS = N = l*b = QT*TS = 6*9 = 54 square units

                     ⇒ N = 54 square units

Now, the area of whole diagram = area of triangle A + area of rectangle B

       ⇒ M + N = (12 + 54)square units = 66 square units.

       ⇒ Area of whole figure  = 66 square units.

Therefore, the area of triangle A, rectangle B and the whole figure were found to be 12, 54 and 66 square units respectively.

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The solution of the polynomial equation x(x - 2) = 48 by factoring is x = 8 or x = -6

Given the polynomial equation x(x−2) = 48

x(x−2) = 48

x² - 2x = 48

x² - 2x - 48 = 0

x² -8x+6x - 48 = 0

By factoring the equation, we have:

x(x-8) + 6(x-8) = 0

(x-8) (x+6) = 0

x-8 = 0 or x+6 = 0

x = 8 or x = -6

Therefore, the solution of the polynomial equation is x = 8 or x = -6. Type x = 8 or x = -6 in the answer box

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The expectation, E(3y +2) and variance, Var(3y+2) of the random variable are 13.4 and 19.44 respectively

The expectations or expected value E(y) of a random variable can be thought of as the “average” value of the random variable. It is also called its mean

By definition:

if y = ax + b

then E(y) = aE(x) + b

where a,b = constant

The variance V(y) of  a random variable is the measure of spread for the distribution of a random variable that determines the degree to which the values of a random variable differ from the expected value

By definition

if y = ax + b

V(b) = 0

V(y) = V(ax) + V(b)

      = a²V(x) + 0

where a,b = constant

Given: E(y)= 3.8 and Var(y)= 2.16

Calculate E( 3y +2) and Var( 3y+ 2)

E(3y +2) = 3E(y) + 2            since E(y) = 3.8

           = 3×3.8 + 2

          = 11.4+2

          = 13.4

Var(3y+2) =  3²Var(y) + 0

               = 9×2.16

               = 19.44

Therefore, E(3y +2) is 13.4 and Var(3y+2) is 19.44

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If the length of the string, l, is increased, the period will; Increase

The time period of a simple pendulum is given by the formula;

t = 2π√(l/g)

Where;

t is time period

l is length of the string

g is acceleration due to gravity.

We can see from the equation above that for simple pendulum, time period is directly proportional to length of the string; (t ∝ l ).

However, we see that the time period is inversely proportional to acceleration due to gravity ( t ∝ 1/g) .

Now, as we are told, If length(l) of the string is increased, then it means that the time period (t) of the pendulum will also increase.

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Answer:

Step-by-step explanation:

-3x -9 graph negative -3 then graph 9 add them together to get negative 12

Step-by-step explanation:

the first box is linear since when you add it to (x,y) it gives a straight line

Answer: B

Step-by-step explanation:

B

Reason: supplimentry angles as the line is transervsal of line m and n .

Which means that 132°=2x

and using algebra you know that x=66°

The angles will be x = 8° and y = 21°

given information:

∠AOB = 180°

∠EOG = 90°

∠EOF and ∠FOG are complementary angles. Complementary angles are those whose sum is equal to 90° and it is given to us in the question.

∠EOG = ∠EOF + ∠FOG

90° = 27° + 3y

90 - 27 = 3y

63 / 3 = y

y = 21°

Similarly  ∠AOE , ∠AOG and ∠GOB are supplementary to each other. Supplementary angles are those whose sum is equal to 180°

∠AOB = ∠AOE + ∠AOG + ∠GOB

180° = x + 90° + 8x + 18°

180 - 90 - 18 = 9x

9x = 72

x = 72 / 9

x = 8°

Hence we can clearly say that x = 8° and y = 21°

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Remember rules with angles when parallels are present (alternate interior/exterior angles, corresponding angles, same side interior/exterior angles, etc.)

Statements                         Reasons

∠3 = ∠5                            m || n, alternate interior angles

∠5 = ∠13                          a || b, corresponding angles

∠3 = ∠13                          substitution property: ∠3 =∠5 and ∠5 =∠13

The amount of money to represent Arthur's Schedule C (Form 1040) deduction for refreshments is: C. $480.

In Economics, there are different types of tax which are levied on individuals (employees) or business firms by the government, and these include the following:

A Form 1040 was formally referred to as U.S. Individual Income Tax Return or Schedule C and it can be defined as an internal revenue service (IRS) tax form which is used by taxpayers in the United States of America, to file their annual income tax return.

In this scenario, Arthur's deduction for refreshments should be recorded as $480 in the Schedule C (Form 1040).

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Complete Question:

Arthur is a ride-hailing driver. He spent $500 on bottled water during the year. He personally consumed $20 of the water he purchased, but the remaining $480 was consumed by riders. How much is Arthur's Schedule C (Form 1040) deduction for refreshments?

$0

$240

$480

$500