Help needed ASAP! Please.

Answer:

$4.71

Step-by-step explanation:

you would multiply the radius times pi (you would get 6.42 ft) and then divide that by 1.35 (simplifying it to 642 divided by 135 and you would then get 4.706...)which rounds to the answer

None of the ordered pairs satisfy the equation 5x - 6y = 13. Therefore, the correct answer is "None of the above."

To determine which ordered pairs are solutions to the equation 5x - 6y = 13, we can substitute the values of x and y from each ordered pair into the equation and check if the equation holds true.

Let's evaluate the equation for each of the given ordered pairs:

(-1, 3):

Substituting x = -1 and y = 3 into the equation, we get:

5(-1) - 6(3) = -5 - 18 = -23 ≠ 13

(3, -1/3):

Substituting x = 3 and y = -1/3 into the equation, we get:

5(3) - 6(-1/3) = 15 + 2 = 17 ≠ 13

(3, -2):

Substituting x = 3 and y = -2 into the equation, we get:

5(3) - 6(-2) = 15 + 12 = 27 ≠ 13

(7, -1):

Substituting x = 7 and y = -1 into the equation, we get:

5(7) - 6(-1) = 35 + 6 = 41 ≠ 13

None of the given ordered pairs satisfy the equation 5x - 6y = 13. Therefore, the correct answer is "None of the above."

It is important to note that the solutions to an equation are the values of x and y that make the equation true. In this case, none of the ordered pairs (−1,3), (3,−1/3), (3,−2), or (7,−1) satisfy the equation. The left-hand side of the equation does not equal the right-hand side for any of these ordered pairs. Thus, they are not solutions to the equation 5x - 6y = 13.

It's always important to carefully substitute the values into the equation and verify if they satisfy the equation to determine the correct solutions. In this case, none of the given ordered pairs satisfy the equation, indicating that they are not solutions to 5x - 6y = 13.

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Answer:

13) 0.9230

14) 0.8000

15) 0.3846

16) 1.3333

17) 0.7500

18) 0.2195

Step-by-step explanation:

sin = opp/hyp

cos = adj/hyp

tan = opp/adj

13) sin X = 36/39 = 0.923076923

14) cos X = 16/10 = 0.8

15) cos Z = 10/26 = 0.384615385

16) tan C = 40/30 = 1.33333333

17) tan C = 21/28 = 0.75

18) sin Z = 9/41 = 0.219512195

The conversion of a fraction number with denominator 5 and numerator 2 , 2/5 in decimals is equals to the 0.4 value.

A decimal number can be defined as a number whose whole number part and fractional part are separated by a decimal point. Writing 2/5 as a decimal number by converting the denominator to powers of 10. We multiply the numerator and denominator by a number so that the denominator is a power of 10.

2/5 = (2 × 2) / (5 × 2) = 4/10

Now move the decimal point to the left as many places as there are zeros in the denominator, which is a power of 10.

The decimal moved one place to the left because the denominator was 10. Therefore, 4/10 = 0.4. Hence, required value is 0.4.

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Answer:

The values are calculated with the help of table.

Step-by-step explanation:

We are given the following information in the question:

A table is shown showing trees on two different plots of land which are tested for disease.

    Tree:        1           2           3           4          5           6          7        

     Plot:         A          A           B           B         B           A          B

Disease:        Y          N           Y           Y          Y          N         N

We have to find:

Calculating from the table, we can fill the values as:

                                             Plot A                Plot B

Disease Present                        1                          3

Disease not Present                2                          1

Answer:

Disease Present

   Plot A: 1

   Plot B: 3

Disease Not Present

   Plot A: 2

   Plot B: 1

Therefore, when the number of copies made in a month is above 4000, company A's charges are higher than company B's charges in the given equation.

Let's start by setting up an equation to represent the cost of renting a copier from each company:

Cost for company A = 0.10x + 200

Cost for company B = 0.05x + 400

where x is the number of copies made in a month.

To find the number of copies above which company A's charges are higher than company B's charges, we need to set the two equations equal to each other and solve for x:

0.10x + 200 = 0.05x + 400

0.05x = 200

x = 4000

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The volume of the cylinder is approximately 622 cubic meters.

The volume of a cylinder is given by the formula V = πr^2h, where r is the radius and h is the height of the cylinder.

Given that the diameter of the cylinder is 6 m, we can calculate the radius by dividing the diameter by 2:

r = 6 m / 2 = 3 m

Using the value of π as 3.14, we can substitute the values into the volume formula:

V = 3.14 * (3 m)^2 * 22 m

Simplifying the expression:

V = 3.14 * 9 m^2 * 22 m

V = 3.14 * 198 m^3

V ≈ 621.72 m^3

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The correct value of t that minimizes the expected square difference function m(t) is t = E[X], which is the expected value of the random variable X.

To determine the value of t that minimizes the expected square difference function m(t) = \(E[(X - t)^2],\) we can differentiate m(t) with respect to t and set the derivative equal to zero. This will give us the critical point where the function is minimized.

Let's start by differentiating m(t) with respect to t:

\(m'(t) = d/dt [E[(X - t)^2]]\)

Using the chain rule, we have:

\(m'(t) = E[2(X - t) * (-1)]\)

m'(t) = -2E[X - t]

Since E[X - t] is the expected value of the difference between X and t, we can rewrite it as:

m'(t) = -2(E[X] - t)

To find the critical point, we set m'(t) equal to zero:

-2(E[X] - t) = 0

E[X] - t = 0

t = E[X]

Therefore, the value of t that minimizes the expected square difference function m(t) is t = E[X], which is the expected value of the random variable X.

Interpretation:

The value of t = E[X] represents the best estimate or prediction for the random variable X. By setting t equal to the expected value of X, we minimize the expected square difference between X and t, which means we are minimizing the average squared deviation between X and its expected value.

In other words, choosing t = E[X] as the optimal value minimizes the overall "error" or discrepancy between the random variable X and its expected value. It represents the most likely or average value for X based on the available data and the underlying distribution.

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Answer:

maybe (-3,-4)?

Step-by-step explanation:

True; In MATLAB, array indices must be positive integers or logical values.

In MATLAB, array indices must indeed be positive integers or logical values. This means that when accessing elements within an array, the index values should be integers greater than zero or logical values (true or false). It is not permissible to use negative integers or non-integer values as array indices in MATLAB.

For example, consider an array called "myArray" with five elements. To access the first element of the array, you would use the index 1. Similarly, to access the fifth element, you would use the index 5. Attempting to use a negative index or a non-integer index will result in an error.

Using valid indices is crucial for proper array manipulation and accessing the correct elements. MATLAB arrays are 1-based, meaning the index counting starts from 1, unlike some programming languages that use 0-based indexing.

In MATLAB, array indices must be positive integers or logical values. This ensures proper referencing and manipulation of array elements. By adhering to this rule, you can effectively work with arrays in MATLAB and avoid errors related to invalid indices.

To know more about

In MATLAB, array indices start from 1. They are used to access specific elements within an array.

In MATLAB, array indices are used to access or refer to specific elements within an array. The index of an element represents its position within the array. It is important to note that array indices in MATLAB start from 1, unlike some other programming languages that start indexing from 0.

For example, consider an array A with 5 elements: A = [10, 20, 30, 40, 50]. To access the first element of the array, we use the index 1: A(1). This will return the value 10.

Similarly, to access the third element of the array, we use the index 3: A(3). This will return the value 30.

Array indices can also be logical values, which are either true or false. Logical indices are used to select specific elements from an array based on certain conditions. For example, if we have an array B = [1, 2, 3, 4, 5], we can use logical indexing to select all the elements greater than 3: B(B > 3). This will return the values 4 and 5.

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As the law of supply and demand states, there is an effect on the price of a product depending on its availability.

If there is a low supply and a high demand, there is an increase in price and vice versa.

Last 2012, there was a virus which infected millions of chicken. It was known as Avian influenza or bird flu. It resulted to scarcity of eggs.

As the law of supply and demand states, there is an effect on the price of a product depending on its availability.

For example we can use water. If a product becomes scarce its price would increase due to supply in demand.

If drinkable water became scarce its price would be greatly increased to its need and being in extreme demand.

In short,  if there is a low supply and a high demand, there is an increase in price and vice versa.

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The partial sums S2, S4, and S6 of the series 3 + 2² + 3² + 4² + ... are 1, 14, and 55, respectively.

The partial sum of a series is the sum of the first n terms of the series. In this case, we are asked to compute the partial sums of the first 2, 4, and 6 terms of the series.

The first 2 terms of the series are 3 and 2², so S2 = 3 + 2² = 1.

The first 4 terms of the series are 3, 2², 3², and 4², so S4 = 3 + 2² + 3² + 4² = 14.

The first 6 terms of the series are 3, 2², 3², 4², 5², and 6², so S6 = 3 + 2² + 3² + 4² + 5² + 6² = 55.

In general, the partial sum of the first n terms of the series 3 + 2² + 3² + 4² + ... is equal to n(n+1)(2n+1)/6.

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The x-intercept of the line calculator is (-1,0) while the y-intercept is (0,-3).

To determine the x-intercept, let y = 0 and solve for x in the equation y = 3x - 1.

Substitute 0 for y in the equation.0 = 3x - 1

Add 1 to both sides1 = 3x

Divide both sides by 3x = 1/3

The x-intercept of the line is (1/3, 0).

To find the y-intercept, let x = 0 and solve for y in the equation y = 3x - 1.

Substitute 0 for x in the equation.y = 3(0) - 1y = -1

The y-intercept of the line is (0, -1).

Therefore, the x-intercept is (1/3, 0), and the y-intercept is (0, -1).

Therefore, The x-intercept of the line calculator is (-1,0) while the y-intercept is (0,-3). The calculation above supports the conclusion.

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The displayed results provide information about the estimated slope, y-intercept, and the goodness of fit of the regression line based on the given data.

m = 4.1136: This represents the slope of the regression line. It indicates the change in the dependent variable (y) for every one-unit increase in the independent variable (x). In this case, for each unit increase in x, y is expected to increase by approximately 4.1136 units.

b = 18.4717: This represents the y-intercept of the regression line. It is the value of y when x is equal to zero. In this case, when x is zero, the predicted value of y is approximately 18.4717.

r^2: This is the coefficient of determination, which measures the goodness of fit of the regression line. It represents the proportion of the variance in the dependent variable (y) that can be explained by the independent variable (x). A value between 0 and 1 is typically provided, indicating the strength of the relationship. In this case, r^2 is given but not specified. However, a higher value of r^2 indicates a better fit of the regression line to the data.

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Answer:

remainder is 88

Step-by-step explanation:

if

\(h = 3\)

\(f( - 3) = { ( - 3)}^{4} + { (- 3)}^{2} - 2\)

\(f( - 3) = 88\)

which is the remainder

Step-by-step explanation:

2.5<x<8.0???????????

Answer:

5.5 < x < 10.5

Step-by-step explanation:

Given 2 sides of a triangle then the third side x is in the range

difference of 2 sides < x < sum of 2 sides , that is

8 - 2.5 < x < 8 + 2.5

5.5 < x < 10.5

Answer:

(A) 126400

(B) 8.57%

Step-by-step explanation:

(A) According to the scenario, calculation of the given data are as follows,

Visitors in June = 121660

Let visitors in May = X

Difference in visitors number in June = 3.75% decrease

So, we can calculate the visitors number in may by using following formula,

Number of visitors in June = X - 3.75%X

121660 = 96.25%X

X = (121660 × 100) ÷ 96.25

X = 126400

Hence, Number of visitors in may = 126400

(B). Difference in visitors in July than in May = 4.5% increase

So, Number of visitors in July = 126400 + (126400 × 4.5%)

= 126400 + 5688

= 132088

Now, we will calculate increase in percentage by using following formula,

Increase percentage = (132088 - 121660)  ÷ 121660

= 10428 ÷ 121660

= 0.0857 or 8.57%

A term that describes a numerical value measuring the likelihood of an uncertain event is - a probability.

A probability is a numerical value that measures the likelihood of an uncertain event occurring.

It ranges from 0 (impossible event) to 1 (certain event), with values in between representing the varying degrees of likelihood.

To calculate the probability of an event, you can divide the number of favorable outcomes by the total number of possible outcomes in a given scenario.

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Answer:

50 cubic units

Step-by-step explanation:

The formula for volume of cube = length x width x height

so we do

5 x 5 x 2 =

25 x 2 =

50 cubic units

Hope this helps!

- profparis

A circle has central angle 144° and arc length of 4 units. The area of the corresponding sector is 7.96 square units.

A sector of a circle is an area enclosed by two radii and an arc. The formula for the area of a sector is given by:

Area of sector = (central angle/360°) x πr²

Hence, we must find the radius of the circle first using the arc length information.

Arc length = (central angle/360°) x 2πr

4 =  (144°/360°) x 2πr

r = 4 x 360°/(144° x 2π)

 = 1.59 units

The area of the circle is given by:

A = πr²

   = = π(1.59²) = 7.96 square units

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Answer:

D.1.121, 1.21, 1.432, 1.53

Step-by-step explanation:

Look at it as money:

$1.12

$1.21

$1.43

$1.53

We know that D states the money from least to greatest.

Or

We can convert them to fractions by Decimals can be written in fraction form. To convert a decimal to a fraction, place the decimal number over its place value. For example, in 0.6, the six is in the tenths place, so we place 6 over 10 to create the equivalent fraction, 6/10. If needed, simplify the fraction.

Solution:

Option A

1.121, 1.53, 1.432, 1.21

1 = 1 = 1 = 1

1.121, 1.53, 1.432, 1.21

1 < 5 < 4 < 2 (False)

Option B

1.53, 1.432, 1.21, 1.121

1 = 1 = 1 = 1

1.53, 1.432, 1.21, 1.121

5 < 4 < 2 < 1 (False)

Option C

1.21, 1.121, 1.432, 1.53

1 = 1 = 1 = 1

1.21, 1.121, 1.432, 1.53

2 < 1 < 4 < 5 (False)

Option D

1.121, 1.21, 1.432, 1.53

1 = 1 = 1 = 1

1.121, 1.21, 1.432, 1.53

1 < 2 < 4 < 5 (True)

Final Answer:

Option D is correct.

Answer: 33. r=13.6   34. m=12

Step-by-step explanation:

33.

-0.8+r=12.8

-0.8+r+0.8=12.8+0.8

r=13.6

34.

\(\displaystyle\\-\frac{m}{3}=-4\\\\\frac{m}{-3}=-4\)

Multiply both parts of the equation by -3:

\(\displaystyle\\\frac{m}{-3}(-3)=(-4)(-3)\\\\ \frac{m(-3)}{-3} =12\\\\m=12\)

Answer:

the answer is 3/20

Step-by-step explanation:

1) An equation that gives the total cost in dollars, d, of attending the event if you order z ounces of fro-yo is d = $5 + $0.40z

2) 2. If your cup weighs 14 ounces, you would pay $10.6 in total for the evening.

A mathematical equation is a statement that two amounts or values are equal, such as 6 x 4 = 12 x 2. 2. A noun that counts.

Given,

The school jazz band is playing at Sweet Yo's, a frozen yogurt shop. It costs $5 to get in the door for the event and if you'd like to eat fro-yo to eat while listening to their tunes you can fill your cup with yogurt and toppings for $0.40 per ounce.

1) Total cost = d

Total ounces = z

Equation

d = $5 + $0.40z

2) If cup weighs 14 ounces

d = $5 + 0.40(14)

d = $5 + $5.6

Total cost:

d = $10.6

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The p-value is less than the significance level (typically 0.05), we reject the null hypothesis and conclude that the majority of teens in this age range do not respond better to the new drug therapy for autism.

The correct answer is not provided in the question. The chi-square test statistic cannot be used for testing hypotheses about a single proportion. Instead, we use a z-test for proportions. To find the test statistic, we first calculate the sample proportion:

p-hat = 411/900 = 0.4578

Then, we calculate the standard error:

SE = \(\sqrt{[p-hat(1-p-hat)/n] } = \sqrt{[(0.4578)(1-0.4578)/900]}\) = 0.0241

Next, we calculate the z-score:

z = (p-hat - p) / SE = (0.4578 - 0.50) / 0.0241 = -1.77

Finally, we find the p-value using a normal distribution table or calculator. The p-value is the probability of getting a z-score as extreme or more extreme than -1.77, assuming the null hypothesis is true. The p-value is approximately 0.0392.

Since the p-value is less than the significance level (typically 0.05), we reject the null hypothesis and conclude that the majority of teens in this age range do not respond better to the new drug therapy for autism.

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The amount of money Tom has to save each month is $25.42 (option C).

The first step is to determine how much money Tim saved in  the three months

Total amount that Tim saved = amount saved per month x number of months

= 3 x $45.38

= $136.14

The second step is to determine how much money Tom has to save in the 3 months.

Total amount Tom has to save = total amount needed - amount Tim saved

$212.40 - $136.14 = $76.26

Amount Tom has to save in each of the 3 months = $76.26 / 3 = $25.42

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Answer:

the answer

is b

i hope that helps

The equation at the vertex (2,6) will be given by  \(F[x]=2|x-2|+6\)

It is given that

vertex =(2,6)

The quadratic equation in the form of Vertex will be

\(y=a(x-h)^2+k\)

Now here  \((h,k)=(2,6)\)

Now putting the values

\(y=a|x-2|^2+6\)

Thus the function will be

\(F[x]=2|x-2|+6\)

Thus equation at the vertex (2,6) will be given by  \(F[x]=2|x-2|+6\)

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Your answer should be 224.

Hope you get this right.

The kind of discontinuous measurement procedure that is used is partial interval recording

Given that,

A client frequently shouts things out loud. You break up the session into shorter timed segments in order to get data on this. You record an event if the behavior happens at any time throughout the interval.

To find : which discontinuous measuring technique are you employing?

An interval recording technique is partial interval recording. An interval recording approach involves watching to see if a behaviour happens or not within predetermined intervals of time. After determining the duration of an observation session, the time is divided into shorter segments that are all of the same length.

So, partial interval recording is the type of discontinuous measuring technique that is applied.

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