compare the fractions 5 by 9 and 6 by 11​

The term which correctly fills the blank space as in the task content is; Discount.

As evident in the task content; the term which represents the decrease from the original price of an item to its sales price is to be determined.

Often times, when a price slash of the price of an item is done, it is expressed as a percentage. However, the dollar amount in such cases is termed the discount.

Hence, the correct word for the blank space is; Discount.

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Answer:

D

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Step-by-step explanation:

creo..... que es la z ...

(a) An observer standing beside a one-lane road counted in 5 minutes 20 cars traveling at 30 mph, 30 cars traveling at 50 mph and 10 cars traveling at 60 mph. The time-mean speed of the observed cars is 900 mph.

(b) The average headway of the cars is 5.08 minutes (approximately).

(a) To calculate the space and time-mean speeds of the observed cars, we need to consider the total distance traveled and the total time taken by the cars.

Given data:

Number of cars traveling at 30 mph = 20

Number of cars traveling at 50 mph = 30

Number of cars traveling at 60 mph = 10

To find the space-mean speed, we calculate the weighted average of the speeds based on the number of cars at each speed:

Space-mean speed = [(20 cars * 30 mph) + (30 cars * 50 mph) + (10 cars * 60 mph)] / (20 + 30 + 10)

               = (600 + 1500 + 600) / 60

               = 2700 / 60

               = 45 mph

The space-mean speed of the observed cars is 45 mph.

To find the time-mean speed, we calculate the total distance traveled and divide it by the total time taken:

Total distance traveled = (20 cars * 30 mph * 5/60 hours) + (30 cars * 50 mph * 5/60 hours) + (10 cars * 60 mph * 5/60 hours)

                      = (25 miles + 41.67 miles + 8.33 miles)

                      = 75 miles

Total time taken = 5 minutes = 5/60 hours

Time-mean speed = Total distance traveled / Total time taken

               = 75 miles / (5/60) hours

               = 75 miles * (60/5)

               = 900 mph

(b) Average headway is the average time interval between successive cars passing a given point.

To find the average headway, we need to calculate the total time taken by all the cars and divide it by the total number of intervals:

Total time taken by all the cars = (20 cars + 30 cars + 10 cars) * 5 minutes

                              = 60 cars * 5 minutes

                              = 300 minutes

Total number of intervals = 60 cars - 1 (as there is no interval after the last car)

Average headway = Total time taken by all the cars / Total number of intervals

              = 300 minutes / 59 intervals

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Im so sorry that people these days are racist towards black people i just wish that people could protest not riot people are dying and and suffering i cant  believe that is alright not all white people are racist  and i just want peace in this world people losing there homes their cars their money i will not stand up for the rioting or the violince but i will not stand for racisim either srew every racist b**ch out there. please give me feedback i want to know your point of view

Electric vehicles offer two significant environmental benefits compared to gasoline-powered engines for transportation: reduced greenhouse gas emissions and improved air quality.

One major environmental benefit of electric vehicles (EVs) is their potential to reduce greenhouse gas emissions. Unlike gasoline-powered engines that release carbon dioxide and other pollutants during combustion, EVs produce zero tailpipe emissions. By relying on electricity as their primary source of power, EVs contribute to lowering greenhouse gas emissions and combating climate change. Furthermore, the environmental impact of EVs can be further reduced if the electricity used for charging them comes from renewable energy sources, such as solar or wind power.

Another environmental advantage of electric vehicles is the improvement in air quality. Traditional gasoline-powered vehicles emit pollutants such as nitrogen oxides, particulate matter, and volatile organic compounds, which contribute to air pollution and various health issues. In contrast, EVs produce no tailpipe emissions, resulting in cleaner air and a reduction in harmful pollutants. This can lead to significant improvements in urban areas where vehicular traffic is dense, reducing respiratory illnesses and enhancing overall public health.

In conclusion, the adoption of electric vehicles offers substantial environmental benefits, including reduced greenhouse gas emissions and improved air quality. These advantages contribute to mitigating climate change, protecting human health, and fostering a cleaner and more sustainable transportation system.

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Answer:

$14.85

Step-by-step explanation:

8.98 + 3.27 + 1.5 = 13.75

13.75 x .08 = 1.1

13.75 + 1.1 = 14.85

Answer:

$14.85

Step-by-step explanation:

8.98 x.08= 0.7184

3.27 x .08= 0.2616

1.50 x .08= 0.12

8.98 + 0.72=  9.70

3.27 + .26= 3.53

1.50 + 12 =1.62

9.70+ 3.53 +1.62 = 14.85

A nonlinear regression model is represented by the equation y = 1/(a0 + B1x) + u, thus option C is the correct answer.

The nonlinear regression model is an extension of the linear regression model. It's used to fit more complex models to data and determine the relationship between variables that cannot be explained by a straight line. A nonlinear regression model is a statistical method that analyzes data that is not linear. There are many forms of nonlinear regression models, each with its assumptions and properties. These models are frequently used in finance, economics, biology, engineering, and other fields to predict outcomes that can not be predicted using linear regression models. Nonlinear regression models are advantageous over linear models because they are more accurate, as they can model data that does not conform to a straight line.

A nonlinear regression model can be expressed in a general way as y = f (x, β) + ε, where y is the dependent variable, x is the independent variable, β is the set of unknown parameters, f( ) is the nonlinear function, and ε is the error term. The model requires the estimation of the unknown parameters in β. This type of model can be used to model several types of non-linear phenomena such as exponential growth and decay, power laws, and asymptotic trends.

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To calculate the cash balance at the end of the period, we need to consider the cash inflows and outflows.

Starting cash balance: $4,520

Cash inflows: $1,654 (receivables collected)

Cash outflows: $1,961 (payments to suppliers) + $500 (cash expenses)

Total cash inflows: $1,654

Total cash outflows: $1,961 + $500 = $2,461

To calculate the cash balance at the end of the period, we subtract the total cash outflows from the starting cash balance and add the total cash inflows:

Cash balance at the end of the period = Starting cash balance + Total cash inflows - Total cash outflows

Cash balance at the end of the period = $4,520 + $1,654 - $2,461

Cash balance at the end of the period = $4,520 - $807

Cash balance at the end of the period = $3,713

Therefore, the cash balance at the end of the period is $3,713.

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The medicine bottle has 120 doses of 100 miligram each.

As per the known fact, 1000 miligram is 1 gram. So, the amount of medicine in the bottle in milligrams = 12×1000

Performing multiplication on Right Hand Side of the equation

Amount of medicine in bottle = 12000 milligrams.

Now, number of dose of 100 miligram medicine = 1

Amount of dose of 12000 miligram medicine = (1/100)×12000

Performing division and multiplication on Right Hand Side of the equation

Amount of doses in 12000 miligram medicine = 120

Thus, there are 120 doses in a medicine.

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An r value of 0.35 indicates a moderate positive relationship between the variables. So, the correct answer is moderate and positive.

A correlation coefficient (r) of 0.35 indicates a moderate positive relationship between two variables. Correlation coefficients range from -1 to 1, with values close to 1 indicating a strong positive relationship, values close to -1 indicating a strong negative relationship, and values close to 0 indicating a weak or no relationship.

In the case of r = 0.35, the positive sign indicates that as one variable increases, the other variable tends to increase as well. The magnitude of 0.35 suggests a moderate strength of this relationship. This means that there is a discernible pattern between the two variables, but it is not a very strong or perfectly linear relationship.

It is important to note that correlation does not imply causation. A correlation coefficient only measures the degree to which two variables are related or vary together. The value of 0.35 suggests that about 12% (0.35^2 = 0.1225) of the variation in one variable can be explained by the variation in the other variable.

While it is not a strong relationship, it does suggest a discernible pattern between the two variables. So, the correct answer is moderate and positive.

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Answer:

X=28

Step-by-step explanation:

4x+248=360

112=4x

x=28

Answer:

28

Step-by-step explanation:

3/2 is the quotient when 3/4 is divided by 1/2

When two fractions are divided, the first fraction is multiplied by the second fraction's reciprocal. Finding the reciprocal of the second fraction and this can be obtained by reversing its numerator and denominator—is and then dividing the  fractions. Multiply the two numerators after that. Multiply the two denominators after that, After that we need to simplify the fraction to its lowest form.

When we divide one number by another, the result obtained is also known as quotient.

so in order to find the quotient when both fraction is divied

quotient of the division = \(\frac{3}{4}\) ÷\(\frac{1}{2}\)

=> (3/4) / (1/2)

=> (3/4) * 2

=> 3/2

so quotient of the division = 3/2 or 1.5

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The statistical unit for John's study is A. the 35 countries. John is trying to estimate the average literacy rate across all countries, and he randomly selected 35 countries to research their literacy rates. The statistical unit in this case is the individual country, as each country's literacy rate is being used to calculate the average.

The statistical unit for John's study is A. the 35 countries. This is because John's study is based on a sample of 35 countries that he randomly selected. The sample is used to estimate the average literacy rate for all countries. The sample size of 35 countries is large enough to provide a representative sample of the population of countries. If John had selected only a few countries or individuals, his estimate of the average literacy rate would not have been reliable. However, by selecting a sample of 35 countries, John can make a more accurate estimation of the average literacy rate for all countries. In conclusion, the statistical unit for John's study is the sample of 35 countries that he researched to estimate the average literacy rate for all countries.

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The triangles ∆DEF and ∆DGF are isosceles triangles, and the values of the following lengths are: EF = 44, FG = 36, and DF = 62.

EH is a perpendicular bisector of FD implies triangle ∆DGF is an isosceles triangle so:

FE is equal to ED and FG is equal to GD

7x + 9 = 9x - 1

9x + 7x = 9 + 1 {collect like terms}

2x = 10

x = 10/5 {divide through by 5}

x = 2

7y + 8 = 10y - 4

10y - 7y = 8 + 4 {collect like terms}

3y = 12

y = 12/3 {divide through by 3}

y = 4

EF = 7(5) + 9 = 44

FG = 7(4) + 8 = 36

DF = 2(FH)

FH = 3(5) + 4(4) = 31

DF = 2(31) = 62.

Therefore, the isosceles triangles ∆DEF and ∆DGF have the values of the following lengths as: EF = 44, FG = 36, and DF = 62.

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Answer:

D

Step-by-step explanation:

to find the next term multiply by 3

The response rate of the survey conducted by Megan to study bullying in high school is 0.4 or 40%

How to Calculate Response Rate?

The response rate can be calculated by dividing the number of completed survey responses by the number of people who viewed or started the survey.

To convert this to a percentage, multiple your final number by 100.

According to the giving question:

The number of completed survey responses = 400

The number of people who started the survey = 1,000

∴ Response rate = 400/1,000

                           = 0.4 or 40%

Hence the response rate is 0.4 or 40%.

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Answer:

an=7/2

Step-by-step explanation:

an=a(n-1)+15

given a1=8

multiply; a(n-1)

a(n-1)=an-a1

enter an-a1 in the equation

an=an-8+15

an=an+7

collect like terms;

an-an=(-7)

divide by negative both side

an-an/(-)=(-(-7)

2an=7

divide by 2 both side

2an/2=7/2

therefore the answer is an=7/2

42(1 + x) = 46.2

42 + 42x = 46.2

42x = 46.2 - 42

42x = 4.2

x = 4.2/42

x = 1/10

x = 1/10 * 10/10

x = 10/100

x = 10%

The number of student like at least one kind of ice cream is given by (d) 275.

Let C be the student who like chocolate ice cream and P be the student who like Pistachio ice cream.

Now given that, n(C) = 145, n(P) = 150

Also given that, 123 students do not like neither chocolate or pistachio ice cream.

So, n(P' and C') = 123

The required number of student like at least one kind of ice cream is given by,

N = 398 - n(P' and C') = 398-123 = 275

Hence the correct option is (d).

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The stress function satisfies the conditions of compatibility for a two-dimensional problem.

Given stress function is 50x² - 60xy - 70y²

To determine whether the stress function satisfies the conditions of compatibility for a two-dimensional problem, it is required to find the strains and then check for compatibility equations.

Strain components are given as,

εx = ∂υ/∂x + (du/dx)

εy = ∂υ/∂y + (du/dy)

γxy = ∂υ/∂y + (du/dx)

Here,

υ = 50x² - 60xy - 70y²

du/dx = 100x - 60

ydu/dy = -60x - 140y

∂υ/∂x = 100x - 60y

∂υ/∂y = -60x - 140y

∂²υ/∂y² = -140

∂²υ/∂x² = 100

Now,εx = 100x - 60

yεy = -140y - 60

xγxy = -60y - 60x

Taking derivative of εy w.r.t x,

∂(εy)/∂x = -60

Similarly, taking derivative of εx w.r.t y,

∂(εx)/∂y = -60

∴ The stress function satisfies the conditions of compatibility for a two-dimensional problem.

Stress components are given as,

σx = (C11εx + C12εy)

σy = (C21εx + C22εy)

τxy = (C44γxy)

Here,C11 = C22 = 100, C12 = C21 = -60 and C44 = 0

Therefore,

σx = 100(100x - 60y) - 60(-140y - 60x)

= 19600x - 8800

yσy = -60(100x - 60y) + 100(-140y - 60x)

= -19600y + 8800x

τxy = 0

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The second derivative of y with respect to x at t=2 is 31/42.

To find the second derivative of y with respect to x at the given point, we need to compute d²y/dx². Given the parametric equations x = 21t² and y = 31t³, we can express t in terms of x and substitute it into the equation for y to eliminate the parameter.

Let's start by finding the first derivative of y with respect to t:

dy/dt = d/dt (31t³) = 93t².

Now, we can find the derivative of x with respect to t:

dx/dt = d/dt (21t²) = 42t.

To find dt/dx, we can take the reciprocal of dx/dt:

dt/dx = 1 / (42t).

Next, we can find the second derivative of y with respect to x:

d²y/dx² = d/dx (dy/dx) = d/dx (dy/dt * dt/dx).

Now, substituting the expressions we derived earlier:

d²y/dx² = d/dx (93t² * 1 / (42t)) = d/dx (93t / 42) = 93/42 * dt/dx.

Now, we can evaluate this at t = 2:

d²y/dx² = 93/42 * dt/dx = 93/42 * (1 / (42 * 2)) = 93/42 * 1/84 = 31/42.

Therefore, the second derivative of y with respect to x at the point where t = 2 is 31/42.

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For the fourth-year forward rate: The forward rate is equaI to [(770.89/835.62)(1/(4-3)] - 1 = 0.0289 or 2.89% .

An equation in mathematics is a cIaim that two mathematicaI expressions are equivaIent. The Ieft-hand side (LHS) and the right-hand side (RHS), which are separated by the equaI sign ("="), make up an equation. Equations are a common tooI for probIem-soIving and determining the vaIue of an unknowabIe variabIe since they are used to describe mathematicaI reIationships.

given

I For a bond having a one-year maturity:

\(YTM = [(1000/945.90)^{(1/1)}] - 1 = 0.0572 or 5.72%\)

(ii) For a bond having a two-year maturity:

\(YTM = [(1000/911.47)^{(1/2)}] - 1 = 0.0474 or 4.74%\)

(iii) For a bond having a three-year maturity:

\(YTM = [(1000/835.62)^{(1/3)}] - 1 = 0.0617 or 6.17%\)

(iv) For a bond with a four-year maturity:

\(YTM = [(1000/770.89)^{(1/4)}] - 1 = 0.0672 or 6.72%\)

We can use the foIIowing formuIa to determine the forward rates:

Forward rate is equaI to [((Bond Price 1/Bond Price 2)(1/(n2-n1))]]. - 1

where n₂-n₁ is the time period between the maturities, Price of Bond 1 is the price of the bond with maturity n₁, and Price of Bond 2 is the price of the bond with maturity n₂.

We may determine the forward rates using the bonds' current prices by foIIowing these steps:

I For the second-year forward rate:

((911.47/945.90)(1/(2-1))) is the forward rate. - 1 = 0.0379 or 3.79%

(ii) For the third-year forward rate:

The forward rate is equaI to [((835.62/911.47)(1/(3-2))] - 1 = 0.0360 or 3.60%

For the fourth-year forward rate: The forward rate is equaI to [(770.89/835.62)(1/(4-3)] - 1 = 0.0289 or 2.89% .

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Answer: 1st image: option 2

2nd image: (x, y) ==> (x+4, y-9) ==> option 4

Step-by-step explanation:

1st image: Reflection over the y-axis means that all x-coordinates are negated while the y-coordinates remain the same.

A: (2, -2) ==> A' (-2, -2)

B: (-2, 5) ==> B' (2, 5)

C: (-4, 2) ==> C' (4, 2)

Answer: option 2

A to A', B to B', C to C'

Purple to Blue

2nd image: 1st, the purple triangle moves 4 units to the right (x ==> x+4)

Then, the purple triangle moves 9 units down to become the blue triangle (y ==> y-9)

(x, y) ==> (x+4, y-9) ==> option 4

Answer: its b

Step-by-step explanation:

Answer:

00000000.1

Step-by-step explanation:

1+1=2-1%000.1

Answer:

3x + 2 =2x 3x = 2x - 2 3x - 2x = -2 x = -2 Proof: 3 * -2 + 2 = 2 * -2 -4 = -4

Step-by-step explanation:

The surface area of the cone is 650.54 mi²

Surface area of a cone is the total area covered by its surface. The total surface area will cover the base area and lateral surface area of the cone. Cone is defined as a three-dimensional solid structure that has a circular base.

The formula of surface area of a cone is given as;

S.A = πr(r + √h² + r²)

The diameter of the base is given as 16 mi

radius = diameter / 2

radius = 16 /2

radius = 8 mi

The slant height is given as 17.9 mi and we can use Pythagorean theorem to find the height of the cone.

h² = 17.9² - 8²

h = 16.01mi

Using the height and radius, we can calculate the surface area of the cone.

S.A =  πr(r + √h² + r²)

S.A = 3.14 * 8 (8 + √(16.01² + 8²)

S.A = 650.54 squared miles

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