PLS ASWNSER NO MATTER WHAT AWNSER CORRECTLY THIS IS A REVIEW AND IS GRADED OUT OF 100% I need 80% to get an A- PLS HELP

Note that the missing values in the table are:

1) A - 28 : 20

2) B: - 63 : 49.

Note that this is a test of ratios and proportionality.

Note that the first tape comprises 7 boxes for the Fruit Mass and

the second tape 5 boxes for the Buiscuit mass.

So we know that the the figures represent Lowest Common Multiples when we are presented with the table.

From the table, we see that Fruitmass has a related number which is 28. Immediately we can see the relationship.

7 x 4 = 28

This means that the missing number can be arrived at by saying:

5 x 4 = 20

Repeat this same logic for the missing number in B to obtain: 63: 49.

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The subject is taught in a non-theoretical manner in Al Bluman's Elementary Statistics. Today's world speaks statistics, and Bluman's market-leading Step-by-Step Approach makes it simple to learn and comprehend.

Bluman gives your students all the assistance they need to understand the foundations of statistics and draw that link by assisting them in transitioning from the computational to the conceptual.

Elementary Statistical Methods are the collection, analysis, presentation, and interpretation of data, and probability. The analysis includes descriptive statistics, correlation and regression, confidence intervals, and hypothesis testing.

Thus, The subject is taught in a non-theoretical manner in Al Bluman's Elementary Statistics. Today's world speaks statistics, and Bluman's market-leading Step-by-Step Approach makes it simple to learn and comprehend.

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According to the information in the graph, it can be established that the profit for 600 people would be $3,013.96

To calculate the profit for 600 people we must take into account the information in the graph. In this case we must establish how many people participated in the survey and how much was the total profit of the store with these customers.

Now we must make a rule of three to establish how much the profit would be in a group of 600 buyers.

According to the above, the profit of the store with a group of 600 buyers would be 3,012.96

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The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

1. Calculate magnitude of a⃗:

a⃗ = 6.0i^−4.0k^

|a⃗| = √(6.0^2+4.0^2) = √74

2. Construct unit vector, u⃗= (6/√74)i^−(4/√74)k^

u⃗ = (6/√74)i^−(4/√74)k^

3. The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

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Answer:

5/8

Step-by-step explanation:

[tex]\textrm{Slope } = $\dfrac{y_2 - y_1}{x_2 - x_1}$[/tex]

where[tex](x_1, y_1) \;\; (x_2, y_2)[/tex] are two points on the graph

The given points on the graph are  (8,6) and (16,11)

Difference in y values, y2 - y1 = 11 - 6 = 5

Difference in x values,: x2 - x1 = 16 - 8 = 8

Slope = 5/8

Answer: There are 8 11-year-old students and 22 12-year-old students in Liam's class.

Step-by-step explanation:

Let's call the number of 11-year-old students in class x. Then, the number of 12-year-old students in the class would be 30 - x.

The total number of years that the 11-year-old students represent is 11 * x.

The total number of years that the 12-year-old students represent is 12 * (30 - x).

The sum of all the years is 352, so we can set up an equation based on the above information:

11x + 12(30 - x) = 352

Expanding the second term on the left-hand side:

11x + 360 - 12x = 352

Combining like terms:

-x + 360 = 352

Subtracting 360 from both sides:

-x = -8

Dividing both sides by -1:

x = 8

So, there are 8 11-year-old students and 30 - 8 = 22 12-year-old students in Liam's class.

The covariance between the number of coins and the value of the coins is 240.

The covariance between the number of coins (N) and the value of the coins (V) can be calculated as

Cov(N, V) = Cov(n nickels + n dimes, 5n nickels + 10n dimes)

= 5 Cov(n nickels, n nickels) + 10 Cov(n nickels, n dimes) + 5 Cov(n dimes, n nickels) + 10 Cov(n dimes, n dimes)

= 5 * Var(n nickels) + 10 * Cov(n nickels, n dimes) + 5 * Cov(n dimes, n nickels) + 10 * Var(n dimes)

= 5 * 8 + 10 * 5 + 5 * 5 + 10 * 10

= 40 + 50 + 50 + 100

= 240

So the covariance between the number of coins and the value of the coins is 240.

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Answer:

3/14

Step-by-step explanation:

They traveled 5/7 of the distance on Saturday and 1/2 of the remaining

distance, 3/7, on Sunday so..

(1/2)(3/7) = 3/14

Hope this helps :)

Answer:Lupe's family traveled 5/7 of the total distance to her aunt's house on Saturday, so the remaining distance was 1 - (5/7) = 2/7.

On Sunday, they traveled 1/2 of the remaining distance, which was 2/7, so the total distance traveled on Sunday was 1/2 * 2/7 = 2/14 of the total distance.

Step-by-step explanation:

Lupe's family traveled 5/7 of the total distance to her aunt's house on Saturday, so the remaining distance was 1 - (5/7) = 2/7.

On Sunday, they traveled 1/2 of the remaining distance, which was 2/7, so the total distance traveled on Sunday was 1/2 * 2/7 = 2/14 of the total distance. :D

Answer: $82,403.28

Step-by-step explanation:

475+555+1250+983 = 3263 (total option price)

81,975 (total base price)

0.9 * 81,975 = 73,777.5 + 200

.88 * 3263 = 2,871.44

1.06 * (73,977.5 + 2871.44 + 890) = 82,403.28 (Rounded to nearest tenth)

Answer:

-117

Step-by-step explanation:

2x1+48-5x48+96-23=-117

First multiplication

2×1=2

5×48=240 ->

2+48-240+96-23

2+48=50

50-240=-190

-190+96=-94

-94-23=-117

Hope that helped! Let me know if you have any further questions.

None of the choices is correct, and a column vector in R^2 is not a 1x2 matrix.

[ ] The set of all vectors which are scalar multiple of a nonzero vector u is a line through u and 0.

[ ] The operation of vector addition is not commutative.

[ ] The magnitude of a vector cv is c times the magnitude of v, where c is any scalar.

None of the choices is correct, and a column vector in R^2 is not a 1x2 matrix.

None of the choices is correct. The set of all vectors which are scalar multiple of a nonzero vector u is a line through u and the origin (not just 0). The operation of vector addition is not commutative, meaning that the order of addition matters. The magnitude of a vector cv is c times the magnitude of v, where c is any scalar and v is a vector. A column vector in R^2 is a matrix with two columns and one row (1x2 matrix).

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The solution to the system of equations is (0.839, 1.129).

What is a graph ?

Graph can be defined as visual representation of the data through the given ordered pairs .

Given ,

The graph of a line passes through the points (0, 0.5) and (6, 5). A second i has the equation 5y = 7-6x.

The equation of the first line can be found using the two given points, using the slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept. To find the slope, we can use the formula:

m = (y2 - y1) / (x2 - x1)

Plugging in the values from the two points, we have:

m = (5 - 0.5) / (6 - 0) = 4.5 / 6 = 0.75

So the equation of the first line is:

y = 0.75x + 0.5

To find the solution to the system of equations, we need to find the point where the two lines intersect, which means finding the values of x and y that satisfy both equations. To do this, we can substitute the equation of the first line into the second equation:

5y = 7 - 6x

0.75x + 0.5 = 7 - 6x

Solving for x, we get:

7.75x = 6.5

x = 6.5 / 7.75 = 0.839

Substituting x back into either equation to find y, we get:

y = 0.75x + 0.5 = 0.75 * 0.839 + 0.5 = 0.629 + 0.5 = 1.129

So the solution to the system of equations is (0.839, 1.129).

Therefore, The solution to the system of equations is (0.839, 1.129).

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The probability that a timing belt lasts until the car runs 140,000 miles is 0.9332.

a) The probability that a timing belt lasts until the car runs 140,000 miles can be found using the Z-score formula. The Z-score is calculated as (140,000 - 125,000)/10,000 = 1.5. The probability can be found using the Z-score table or by using a calculator, and is equal to 0.9332.

b) The probability that the timing belt fails before the car reaches the manufacturer’s recommended mileage of 90,000 miles can be found using the Z-score formula. The Z-score is calculated as (90,000 - 125,000)/10,000 = -2.5. The probability can be found using the Z-score table or by using a calculator, and is equal to 0.0062.

c) The 1st percentile of a normal distribution is the Z-score corresponding to the cumulative probability of 0.01. The Z-score for the 1st percentile is -2.33. The mileage of the car when the timing belt should be replaced can be found using the Z-score formula. The mileage is equal to 125,000 - (2.33 * 10,000) = 110,700 miles.

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The composite functions f ∘ g and g ∘ f is defined as follows:

f ∘ g (x) = f(g(x))

g ∘ f (x) = g(f(x))

In other words, f ∘ g is the composition of two functions f and g, such that the output of g is used as the input to f. Similarly, g ∘ f is the composition of two functions g and f, such that the output of f is used as the input to g.

It's important to note that the order in which the functions are composed matters, as f ∘ g is not necessarily equal to g ∘ f. In general, the composite function of two functions is not commutative, meaning that the order in which the functions are composed affects the result.

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The mean, median, and mode are all equal to 100, and 68% of the scores are between 85 and 115. The third choice is also true, as 60% of test-takers earned at least a 100.

The normal curve is a symmetrical bell-shaped distribution with the mean, median, and mode all equal to 100. If we take 15 as the standard deviation, then 68% of the scores will lie between 85 (100-15) and 115 (100+15). We can calculate this using the z-score formula: z=(x-μ)/σ, where x is the score, μ is the mean, and σ is the standard deviation.

In this case, the z-score for the lower limit (85) is (85-100)/15=-1. The z-score for the upper limit (115) is (115-100)/15=1. We can then use the z-score table to determine that the area between -1 and 1 is 68%. Therefore, 68% of the scores are between 85 and 115.

To determine the percentage of test-takers who earned at least a 100, we can use the same z-score formula. The z-score for x=100 is (100-100)/15=0. We can then use the z-score table to determine that the area above 0 is 60%. Therefore, 60% of test-takers earned at least a 100.

Therefore, the first two choices are true. The mean, median, and mode are all equal to 100, and 68% of the scores are between 85 and 115. The third choice is also true, as 60% of test-takers earned at least a 100.

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It should be noted that 100,000 attendees for 10 bands a reasonable prediction as D. Yes, the pattern is linear. The average rate of change is about 10,000.

A straight-line link between two variables is referred to statistically as a linear relationship (or linear association).

A positive slope indicates a positive linear relationship, meaning that as one increases, the other also increases.

From the information, the year’s festival will feature 10 bands and the local TV station reports that the expected attendance is 100,000. The average rate will be:

= 100000 / 10

= 10000

The correct option is D.

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23. g(x)=3(2x+3) has a slope of 6 and y-intercept of 9.

24. g(x)=2(0.5x) +3 has a slope of 1 and y-intercept of 3.

25. g(x)=1(2x+3) has a slope of 2 and y-intercept of 3.

26. g(x)=2(1)x+3 has a slope of 2 and y-intercept of 3.

23. g(x)=3(2x+3) can be written as g(x)=6x + 9. This shows that the slope of the function is 6 and the y-intercept is 9.

24. g(x)=2(0.5x) +3 can be written as g(x)=x + 3. This shows that the slope of the function is 1 and the y-intercept is 3.

25. g(x)=1(2x+3) can be written as g(x)=2x + 3. This shows that the slope of the function is 2 and the y-intercept is 3.

26. g(x)=2(1)x + 3 can be written as g(x)=2x + 3. This shows that the slope of the function is 2 and the y-intercept is 3.

The value of k in the linear function g(x)=k(mx+b) affects the slope of the function by multiplying the slope of the original function m by k. The y-intercept of the function remains unchanged.

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Answer: R

Step-by-step explanation: you are gonna go left 3 and up 4.

x=-3 and y=4

As a result, the triangle's centroid at vertices A(2, 6), B(4, 9), and C(6, 15) is (4, 10).

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The volume V of the solid obtained by rotating the region bounded by the given curves y = 2[tex]e^{-x}[/tex], y = 2, x = 4; about y = 4 is 256π.

The volume of the solid obtained by rotating the region bounded by the given curves about the line y=4 is given by

V = 2π ∫⁴₀ (4-2[tex]e^{-x}[/tex])² dx

We can calculate the integral using integration by parts.

Let u = 4-2[tex]e^{-x}[/tex]

⇒ du = 2d[tex]e^{-x}[/tex]

and dv = 2dx

⇒ v = x

So,

V = 2π ∫⁴₀ (4-2[tex]e^{-x}[/tex])² dx

 = 2π (x (4-2[tex]e^{-x}[/tex])²  - 0 (4-2[tex]e^{-x}[/tex]})²  - 2∫⁴₀ x d (4-2[tex]e^{-x}[/tex]))

 = 2π (2×4³ - 4∫⁴₀ x [tex]e^{-x}[/tex] dx)

Using integration by parts again

Let u = 4-2[tex]e^{-x}[/tex] ⇒ du = -2d[tex]e^{-x}[/tex]

and dv = xdx ⇒ v = x²/2

So,

V = 2π (2×4³ - 4∫⁴₀ x [tex]e^{-x}[/tex] dx)

 = 2π (2×4³ - 2×2∫⁴₀ x² [tex]e^{-x}[/tex] dx)

Again we can calculate the integral using integration by parts.

Let u = x² ⇒ du = 2xdx

and dv = [tex]e^{-x}[/tex] dx ⇒ v = -[tex]e^{-x}[/tex]

So,

V = 2π (2×4³ - 2×2∫⁴₀4 x^2 [tex]e^{-x}[/tex]} dx)

 = 2π (2 × 4³-2 × 2 × ([tex]-e^{-4}[/tex] + 2∫⁴₀  [tex]e^{-x}[/tex]dx))

 = 2π (2×4³ - 2×2 (1+4))

 = 2π (2×4³ - 16)

 = 2π (128-16)

 = 256π

Therefore, the volume V of the solid obtained by rotating the region bounded by the given curves y = 2[tex]e^{-x}[/tex], y = 2, x = 4; about y = 4 is 256π.

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The check for independence in a one- sample is

The population size is further than 10 times the sample size.

The Correct option is D.

What is Z- test?

A Z- test is a statistical thesis test used to determine whether a sample mean significantly differs from a given population mean when the population standard divagation is known.

For a one- sample z- test for a population proportion, the sample is named without relief from a finite population.

In order for the test to be valid, it's necessary to insure that the sample is small relative to the population size.

still, it can be considered large enough to satisfy the independence supposition, If the population size is further than 10 times the sample size. This supposition is necessary for the validity of statistical conclusion in this environment.

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Answer:

ar many types the total bar o

Answer:

I'm not sure if this is what you meant but if it's not, put a picture of the equation and I'll edit my answer

[tex]\frac{21}{670}[/tex]

Step-by-step explanation:

Assuming the equation is:

[tex]\frac{3}{5} * \frac{7}{2*67}[/tex]

The first thing you have to do is simplify:

2 * 67 = 134

[tex]\frac{3}{5} * \frac{7}{134}[/tex]

Multiply the numerators:

3 * 7 = 21

Then multiply the denominators:

5 * 134 = 670

Then simplify again:

[tex]\frac{21}{670}[/tex]

If we know the parameters a, b, and c in the first equation, we can find the equivalent parameters A, B, and C in the second equation by using the above relationships.

What is the logarithmic equation?

A logarithmic equation is an equation that involves the logarithm of an expression containing a variable. To solve exponential equations, first, see whether you can write both sides of the equation as powers of the same number.

The parameters in the two equations are related as follows:

A = log10(Psat/kPa) / ln(10)

B = b * ln(10)

C = c

T = t + 273.15 (to convert from Celsius to Kelvin)

Therefore, the relationship between the parameters in the two equations is:

A = log10(Psat/kPa) / ln(10)

B = b * ln(10)

C = c

T = t + 273.15

Hence, if we know the parameters a, b, and c in the first equation, we can find the equivalent parameters A, B, and C in the second equation by using the above relationships.

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The time taken by both of them to work on the same page is 2 hours. The number of pages written by Emmy is 53 and the number of pages written by Warren is 53.

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that Emmy has already completed 27 pages and will continue working at a rate of 13 pages per hour. Warren has completed 33 pages and can work at a rate of 10 pages per hour.

The time taken to reach the same page is,

13t + 27 = 33 + 10t

13t - 10t = 33 - 27

3t = 6

t = 2 hours

The number of pages written by Emmy is,

N = 13t + 27

N = ( 13 x 2) + 27 = 53

The number of pages written by Warren is,

N = 33 + 10t

N = 33 + 20

N = 53

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Women Emma Watson spoke intelligently, significantly, and powerfully about gender inequity and how to combat it.

She did this in order to begin the HeForShe campaign, which tries to recruit men and boys to the feminist movement's struggle for gender parity.

The purpose of this campaign is to encourage as many men and boys to support gender equality as they can. The terrible reality that "feminism" is all too frequently associated with "man hate," effectively stopping the progress toward attaining gender equality, was brought to light by Emma Watson in her powerful statement.

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Answer:

p<11-4

p<7

Step-by-step explanation:

we have 4+p<11 where we send 4 in another side and we get p<11-4 =p<7

The class that has more students, given the percentage of students in both classes is Emily's homeroom tab .

To find the class with the higher number of students, you need to find the total number of students in these classes.

The number of students in Emily's homeroom class is:

= Number of students / Percentage of students

= 15 / 75 %

= 20 students

Students in Santiago's homeroom class is :

= 12 / ( 2 / 3 )

= 12 x 3 / 2

= 18 students

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The composite function f (ƒ-¹ (5)) is 5

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

f(x) = (x + 10)/5

Also, we have

f-¹ (x) = 5x - 10

The composite function f (ƒ-¹ (5)) is calculated as

f (ƒ-¹ (x)) = (5x - 10 + 10)/5

Evaluate the difference

f (ƒ-¹ (x)) = 5x/5

So, we have

f (ƒ-¹ (x)) = x

Substitute 5 for x

f (ƒ-¹ (5)) = 5

Hence, the solution is 5

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Complete question

Use the given function to find the following.

f(x) = (x + 10)/5

f-¹ (x) = 5x - 10

Find f (ƒ-¹ (5)). (no spaces)

Tt is also possible neither y nor z is x.

Now, According to the question;

The x and y-axis are two important lines of the coordinate plane. The x-axis is a horizontal number line and the y-axis is a vertical number line. These two axes intersect perpendicularly to form the coordinate plane. The x-axis is also called the abscissa and the y-axis is called the ordinate.

If x is true, a non true statement cannot be the same as it.

Now, In symbolic logic, = doesn't mean two statements have the same value—it means they are the same literal statement.

So, if x is true, and y and z contradict, at least one of y and z is false, and that false statement cannot possibly be x.

Hence,  it is also possible neither y nor z is x.

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the volume of the solid generated by revolving the shaded region about the given axis x- axis is: 2π/3

The difference between the area of the complete polygon and the area of the unshaded portion inside the polygon is the area of the shaded region. There are two methods for the area of the darkened component to appear in polygons. The darkened area can be found either in the polygon's center or on one of its sides.

We first solve for y from the equation:

x+2y=2

or, 2y = 2 - x

or, y = (2 - x) / 2

From the graph we see that the equation is from x=0 to x=2

And it is rotating about the x axis. We can use the Disk method to find the volume of the solid:

= π [tex]\int\limits^2_0 {((2 - x)/2)^2} \, dx[/tex]

= π/4 [4x - 2x² + x³/3]₀²

= 2π/3

so, 2π/3 is the volume of the solid, it is rotating about the x axis.

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The complete question is as follows: