A teacher recorded the weight of six boys, in
kilograms, in order, as shown.
55, 58, 57, 60, 59, 65
They later found that they recorded the weight of the
sixth student incorrectly as 65 kilograms instead
56 kilograms. Enter a number in each box to make
the statements true.
The mean weight of six boys as per the
incorrect data is
kilograms.
The actual mean weight of the boy's group is
kilograms.

The pair of points to be used is k and M.

A line of best fit is a straight line which is used to show the relations among non-linear points in a scatter plot. Thus it evenly varies the points on its two sides. This is majorly used when dealing with a cartesian coordinate, or plotted points on a graph.

Considering the given scatter plot, it can be observed that points J, L, M and K on non-linear. Thus the straight line that can be used to as line of best fit is by joining point K and M.

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We can find that this probability is 0.99994, rounded to five decimal places.

Based on the given statistic, we know that 80% of vehicles using the Lincoln Tunnel use E-ZPass. Therefore, we can expect that out of the 12 randomly selected vehicles, 80% or 0.8 * 12 = 9.6 vehicles would use E-ZPass. Rounding to the nearest whole number, we would expect 10 of the 12 vehicles to use E-ZPass.

The mode of the distribution is 10, as this is the most frequently occurring value in the sample.

Since 10 out of 12 vehicles is the mode, the probability associated with the mode is the proportion of vehicles that use E-ZPass in the sample. Therefore, the probability associated with the mode is 10/12 or 0.833, rounded to three decimal places.

The probability of four or more vehicles using E-ZPass can be calculated using the binomial distribution. The probability of a single vehicle using E-ZPass is 0.8, and the probability of a single vehicle not using E-ZPass is 0.2. The probability of four or more vehicles using E-ZPass is the sum of the probabilities of selecting 4, 5, 6, 7, 8, 9, 10, 11, or 12 vehicles that use E-ZPass. Using Excel or a calculator, we can find that this probability is 0.99994, rounded to five decimal places.

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Answer:

y = 8 + x

350x + 70y = 1,400----->5x + y = 20

5x + 8 + x = 20

6x + 8 = 20

6x = 12

x = 2, y = 10

2 sliders, 10 onion rings

When a = 0.01 and n = 31, the Xict value for the Chi-Square Distribution is 53.672.

To find the values for Xict and Right using the Chi-Square Distribution Table, we need to follow these steps:

Step 1: Identify the degrees of freedom (df). In this case, since n=31, the degrees of freedom will be df = n-1 = 31-1 = 30.

Step 2: Identify the significance level (α). In this case, α = 0.01.

Step 3: Locate the row corresponding to the degrees of freedom in the Chi-Square Distribution Table.

Step 4: Locate the column corresponding to the significance level in the Chi-Square Distribution Table.

Step 5: Find the intersection of the row and column identified in steps 3 and 4. This value is your Xict.

For Part 1 of 5 (a), with α = 0.01 and df = 30, using a Chi-Square Distribution Table, you will find the Xict value as 53.672. This means that when a = 0.01 and n = 31, the Xict value for the Chi-Square Distribution is 53.672.

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Answer:

all yes

Step-by-step explanation:

In order to solve a system by substitution, you want to isolate a variable in one equation and then substitute it into the other equation.

Given that;

To complete the sentence for solving the system of equation.

Now, We know that;

Once you have substituted the variable, you can solve for the remaining variable(s) and find the solution to the system.

Hence, In order to solve a system by substitution, you want to isolate a variable in one equation and then substitute it into the other equation.

Therefore, Option C is true.

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It will take time of 33.93 minutes for all of the water to pass through the cone.

To find the volume of the cone-shaped vessel, we need to use the formula for the volume of a cone:

V = (1/3) x pi x r² x h

V = (1/3) x 3.14 x 6^2 x 3

= 339.29 cubic inches

This is the total volume of water that needs to pass through the cone.

If water is dripping out at a rate of 10 cubic inches per minute, we can use the formula:

time = volume / rate

to find how long it will take for all of the water to pass through. Substituting the values we found, we get:

time = 339.29 / 10

=33.93 minutes

Therefore, it will take 33.93 minutes for all of the water to pass through the cone.

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The question is solved using two linear equations. By analyzing the money value and number of coins, it is determined that Adriel has 2 nickels and 5 dimes.

In this problem, you need to understand that a nickel is worth 0.05 dollars (or 5 cents) and a dime is worth 0.10 dollars (or 10 cents). Adriel has a total of $0.60. Define x as the nickels and y as the dimes. You can set up the following two equations based on the information:

If we multiply the second equation by 0.05, we get 0.05x + 0.05y = 0.35. Subtract this from the first equation, which gives 0.05y = 0.25 and solving this gives y = 5. Substituting y = 5 into x + y = 7, we get x = 2. Therefore, Adriel has 2 nickels and 5 dimes.

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The point estimates for p and q are 0.6636 and 0.3364 respectively, where p is the population proportion for the  condition.

To find the point estimates for p and q, you will need to consider the given information about the population proportion, follow the given steps:

1. The total number of adults in the study is 4374.
2. Out of these, 2903 adults think mainstream media is more interested in making money than in telling the truth.
3. To find the point estimate for p (the proportion of adults who think mainstream media is more interested in making money), divide the number of adults who think this way by the total number of adults in the study:

p = 2903/4374 = 0.6636 (rounded to four decimal places)

4. Now, to find the point estimate for q (the proportion of adults who do not think mainstream media is more interested in making money), subtract p from 1:

q = 1 - p = 1 - 0.6636 = 0.3364 (rounded to four decimal places)

So, the point estimates for p and q are 0.6636 and 0.3364, respectively.

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Answer: 225 degree

5/8of full rotation is 225degrees

Answer:

0.625

Step-by-step explanation:

hope the his helping

Step-by-step explanation:

Shift to the L 7 units    ( x+7)^2

Shift down 4       (x+7)^2    - 4  

Synergy is obtained when the value created by two divisions operated separately and independently is greater than the value that would be created by two divisions cooperating. The given statement is False.

The statement is false. Synergy is a term used to describe the benefits that can be achieved when two or more parts of a business work together to create more value than they could on their own. In other words, when two divisions cooperate and work together, the combined value they create is greater than the value that would be created if they worked independently and separately.

For example, if a company has a marketing division and a sales division, these two divisions could work independently to achieve their goals. However, if they work together and share information, resources, and expertise, they can create more value by developing more effective marketing strategies that lead to increased sales. In this case, the combined value of the marketing and sales divisions working together is greater than the value they could create if they worked independently.

Therefore, it is incorrect to say that synergy is obtained when two divisions operate separately and independently to create greater value than they would if they cooperated.

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Answer: 1.02

Step-by-step explanation:

2.67 - 1.65 =  1.02

We cannot get Equation B from Equation A as they are fundamentally different.

Equation A, 5x = 3x, is a linear equation with variables on one side and constants on the other side. To solve this equation for x, we can subtract 3x from both sides to get:

5x - 3x = 2x

Therefore, the solution to Equation A is x = 0 or x = any other real number.

On the other hand, Equation B, 5 = 3, is a statement of equality between two constants. There is no variable in this equation to solve for, and it is always false since 5 is not equal to 3.

Thus, there is no way to derive Equation B from Equation A or vice versa.

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To express any vector x as a linear combination of an orthogonal basis {u1, u2} or {u1, u2, u3} for R2 or R3, respectively, we can solve a system of linear equations where each equation corresponds to one component of the vector x.

To show that {u1, u2} is an orthogonal basis for R2, we need to prove that u1 and u2 are orthogonal (perpendicular) to each other and that they span the entire space of R2. In other words, any vector in R2 can be expressed as a linear combination of u1 and u2.

Similarly, to show that {u1, u2, u3} is an orthogonal basis for R3, we need to prove that u1, u2, and u3 are pairwise orthogonal and that they span the entire space of R3. Any vector in R3 can be expressed as a linear combination of u1, u2, and u3.

Once we have shown that {u1, u2} or {u1, u2, u3} is an orthogonal basis for R2 or R3, respectively, we can express any vector x in terms of the basis vectors as follows:

For R2:

x = c1u1 + c2u2, where c1 and c2 are constants.

For R3:

x = c1u1 + c2u2 + c3u3, where c1, c2, and c3 are constants.

We can find the values of c1, c2, and c3 by solving a system of linear equations, where each equation corresponds to one component of the vector x. The solution to the system will give us the coefficients that express x as a linear combination of the U.

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The  statement about probability that is true is option The probability of landing on orange is equal to the probability of landing on yellow.

From the  question, the spinner has:

8 sections, with:

So probability of one getting on any section is  = 1/8, or 0.125.

Therefore, the  probability of getting on orange will still be the same as the probability of landing on yellow and as such option C is correct.

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Answer: The data is skewed because most text messages are replied to and cause the number to be at least twice what it was originally.

Step-by-step explanation: The data is left-skewed.

Answer:

v=d/delta t

d=v×delta t

=266 000km/h×168h

=44,688,000.km

In a right-angle triangle, a sine function of an angle [tex]\theta[/tex] is equal to the opposite side to [tex]\theta[/tex] divided by hypotenuse.

[tex]\text{Sin} \ \theta = \dfrac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]

[tex]\text{y = f(x)} \rightarrow \text{x}[/tex] in the domain of f. Trigonometric functions are periodic, therefore each range value is within the limitless domain values (no breaks in between). Since trigonometric functions have no restrictions, there is no inverse.

The inverse sine function (also called arcsine) is the inverse of sine function. Since sine of an angle (sine function) is equal to ratio of opposite side and hypotenuse, thus sine inverse of same ratio will give the measure of the angle. Let’s say [tex]\theta[/tex] is the angle, then:

[tex]\text{Sin} \ \theta = \dfrac{\text{Opposite side to} \ \theta}{\text{Hypotenuse}}[/tex]

[tex]\text{Or} \ \theta = \text{Sin-}1 \ \dfrac{\text{Opposite side to}\ \theta}{\text{Hypotenuse}}[/tex]

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Answer:

  (b)  ΔDEF ≅ ΔSRU

Step-by-step explanation:

Given point coordinates D(6, 4), E(5, 8), F(1, 2), you want the congruence statement for ∆DEF, given points R(-2, 4), S(-3, 0), U(2, -2) and the fact that ∆DEF is reflected across the y-axis and translated (3, -4).

The attached graph plots the given points. It is pretty clear that corresponding vertices are (D, S), (E, R), (F, U).

  ∆DEF ≅ ∆SRU

Reflection across the y-axis is described by ...

  (x, y) ⇒ (-x, y)

Translation right 3 and down 4 is described by ...

  (x, y) ⇒ (x +3, y -4)

Taken together, the transformation is ...

  (x, y) ⇒ (-x +3, y -4)

Applied to points D, E, F, we have ...

  D(6, 4) ⇒ D'(-3, 0) . . . . matches S

  E(5, 8) ⇒ E'(-2, 4) . . . . matches R

These two matches are sufficient to tell us that point F will be transformed to point U, and the congruence statement is ...

  ∆DEF ≅ ∆SRU

Answer:

ΔDEF ≅ ΔSRU

Step-by-step explanation:

The answer above is correct.

The number of ways the student can pull 5 integers out of the bucket in increasing order is 15,504.

To determine this, we can use the combination formula, which calculates the number of ways to choose k objects from a set of n objects, regardless of order. In this case, we want to choose 5 integers out of a set of 20 integers in increasing order, which means we can use the combination formula with repetition: C(n+k-1, k-1).

Substituting in our values, we get: C(20+5-1, 5-1) = C(24, 4) = (24232221)/(4321) = 15,504.

Therefore, there are 15,504 ways for the student to pull 5 integers out of the bucket in increasing order.

It is important to note that the order of the integers matters when counting the number of ways in which they can be chosen. In this case, the integers must be chosen in increasing order, which means we cannot count combinations where the integers are chosen in a different order. For example, choosing 1, 2, 3, 4, and 5 is a valid combination, but choosing 5, 4, 3, 2, and 1 is not, since the integers are not in increasing order.

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Each coin toss is an independent event, meaning that the outcome of the previous toss does not affect the outcome of the next toss. Therefore, the probability of getting heads on the fifth toss is still 0.5.

The scenario you've described involves a series of independent events, which means the outcome of one toss does not affect the outcome of the others. In this case, you are interested in the probability of heads on the fifth trial after obtaining heads four times in a row.

Since the outcome of the fifth trial is independent of the previous four, the probability of getting heads on the fifth trial remains unchanged. The probability of obtaining heads or tails when flipping a penny is always 0.5 (or 1/2) for each side, as there are only two possible outcomes.

Therefore, the correct answer is:
a. 0.5

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The value of angle ADC is 131⁰.

The value of angle AOC is 262⁰.

The value of angle BAT is 21⁰.

The value of angle ADC is calculated as follows;

The value of the angle at center, AOC = 2 ∠CBA (angle at center is twice angle at circumference)

∠AOC = 2 x 131⁰

∠AOC = 262⁰

The value of arc angle ABC = 262⁰ (intersecting chord theorem)

The value of angle ADC is calculated as;

∠ADC = ¹/₂ arc ABC

∠ADC = ¹/₂ x 262⁰

∠ADC = 131⁰

Angle DAB = 180 - (20 + (131 - 20))

∠DAB = 180 - 131 = 49

The value of angle BAT is calculated as;

∠BAT = 90 - (20 + 49)

∠BAT = 21⁰

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The estimated salary for an employee with 18 years of experience is $65,856.46.

To find the estimated salary for an employee with 18 years of experience using the given regression equation, follow these steps:

1. Identify the regression equation: Estimated Salary = 21,640.90 + 2456.42 (Years of Experience)

2. Substitute the given years of experience (18 years) into the equation:

Estimated Salary = 21,640.90 + 2456.42(18)

3. Multiply 2456.42 by 18: 2456.42(18) = 44,215.56

4. Add 21,640.90 to the result from step 3: 21,640.90 + 44,215.56 = 65,856.46

The estimated salary for an employee with 18 years of experience is $65,856.46.

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The correct answer is a. One standard deviation.

Question is about a bell-shaped distribution and the percentage of data within a certain number of standard deviations of the mean. A bell-shaped distribution will have approximately 68% of the data within one standard deviation of the mean.

Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance. The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean.

So, the correct answer is a. One standard deviation.

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The constant of proportionality between d and h is 3.75

Any function in which the dependent variable (y) is obtained by multiplying the independent variable (x) by a constant value is called the direct proportionality function. This function is also expressed in the form  [tex]( y = m * x)[/tex] and is more commonly called a linear function.

The value m is a constant and is known as the constant of proportionality or the slope of the line. It represents the inclination of the line to the abscissa axis, that is, the x-axis. If we talk about graphic representation, this linear function is a line with slope m that passes through the origin of coordinates, that is, the point 0 in x and 0 in y, which is the point (0,0).

Bethany finds the distance d with the help of equation d = 3.75*h, she travels this distance while walking for h number of hours.  When we compare it with the direct proportionality function y = m * x, then y is represented by the distance d, x is represented by the number of hours h, and slope m or the constant of proportionality is the number 3.75.

So, the constant of proportionality between d and h is 3.75.

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The population growth rate is given as follows:

k = 0.0213.

The exponential function modeling the population after t years is given as follows:

P(t) = P(0)e^(kt).

In which:

Considering the population in 2007, the initial population is given as follows:

P(0) = 46.8.

21 years later, we have that:

P(21) = 73.2.

Hence the rate is obtained as follows:

46.8e^(21k) = 73.2

e^(21k) = 73.2/46.8

21k = ln(73.2/46.8)

k = ln(73.2/46.8)/21

k = 0.0213.

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If Roland has Z-score for his test 0.6, the standard deviation for this set of test scores is 7.5

To find the standard deviation for this set of test scores, we can use the z-score formula:

Z-score = (X - μ) / σ

Where:
- Z-score is 0.6 (given)
- X is Roland's score of 70
- μ is the mean score of 65.5
- σ is the standard deviation we need to find

Now we can plug in the values and solve for σ:

0.6 = (70 - 65.5) / σ

Next, we can rearrange the equation to solve for σ:

σ = (70 - 65.5) / 0.6

Finally, calculate the standard deviation:

σ = 4.5 / 0.6

σ ≈ 7.5

The standard deviation for this set of test scores is approximately 7.5.

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Answer:166.2 feet^2

Step-by-step explanation:

By assuming that Pete's yard is a rectangle, we can get the perimeter by using an equation that looks like this:

perimeter = l+l+w+w

Where l = length, and w = width.

This is because you are adding the measures of every side together, which is the definition of the value of a perimeter.

Furthermore, to get the area of the figure, you would need to multiply 52.7 by 30.4, which would be 1602.08 feet^2

This value is the same as the value found in the z-table: P(X < 127) = 0.6915 The closest answer to this value is option (b) 0.6681.

We'll use the z-score formula and a standard normal table (z-table) to find the probability.

The given terms are: - Mean (μ) = 125 - Standard deviation (σ) = 4 - Target blood pressure (X) = 127

Step 1: Calculate the z-score using the formula: z = (X - μ) / σ z = (127 - 125) / 4 z = 2 / 4 z = 0.5

Step 2: Use a z-table to find the probability that corresponds to the z-score. In this case, the z-score is 0.5. The value found in the z-table for a z-score of 0.5 is approximately 0.6915.

Step 3: The probability that the mean blood pressure will be less than 127 is the area to the left of the z-score (0.5) in the standard normal distribution.

This value is the same as the value found in the z-table: P(X < 127) = 0.6915 The closest answer to this value is option (b) 0.6681.

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