Maureen worked 48 hours last week. Her hourly rate is $8.00. How much did she earn in overtime pay?

Answer:

noun

1. a length of cord, rope, wire, or other material serving a particular purpose.

2. a long, narrow mark or band.

verb

1. stand or be positioned at intervals along.

2. mark or cover with lines.

\(\dfrac{1}{3} x=6\)

Multiply both sides by 3:

\(3\times(\dfrac{1}{3} x)=3\times(6)\)

\(\fbox{x = 18}\)

1/3x = 6

Multiply both sides by 3:
3 * 1/3x = 3 * 6

x = 18

x = 18 would be your answer.

Hope this helps!

The four criteria that can be used to prove triangles are congruent and can be used to prove the triangles are congruent.

Triangle congruence: Two triangles are said to be congruent if all three of their corresponding sides and all three of their corresponding angles have the same measurements. These triangles can be moved around, rotated, flipped, and turned to have a same appearance. They match up with one another when moved.

The four criteria that can be used to prove triangles are congruent are SAS (Side-Angle-Side), ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and SSS (Side-Side-Side). Additionally, CPCTC (Corresponding Parts of Congruent Triangles are Congruent) can be used to prove the triangles are congruent.

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Answer:

7/10

Step-by-step explanation:

Answer:

7/0

Step-by-step explanation:

Answer:

40%      

I looked it up

Answer:

0.45%

Step-by-step explanation:

The most relevant answer to this question is researcher conducting a qualitative study knows that saturation of information has occurred when data collected confirms theoretical models.

In qualitative research, data saturation refers to when the collection of new data no longer leads to additional ideas or themes.

In other words, saturation occurs when data has been thoroughly explored and little or no new information or new patterns emerge.

so, the researcher can be sure that he or she has collected enough data to answer the research question, and collecting more data is unlikely for new insights.

Therefore, Using the data provided, we can calculate:  

x = (38.1 + 38.4 + 38.3 + 38.2 + 38.2 + 37.9 + 38.7 + 38.6 + 38.0 + 38.2) / 10 = 38.25

In a t distribution table or calculator, find the t value with 9 (n-1) degrees of freedom and 95% confidence intervals. This is approximately 2.262.

Substituting these values ​​into the formula gives:

therefore, the most relevant answer to this is data collected confirms theoretical models.

This means that the researcher has collected enough data to confirm or disprove their original theoretical models, and collecting more data is unlikely to change those models. 

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Answer:

the solution points for the system of equations are (3, 25) and (-7/2, -7).

Step-by-step explanation:

We can solve this system of equations using substitution or elimination. Here, we will use the substitution method:

Substitute y = 2x^2 + 5x - 10 into the second equation:

4x - (2x^2 + 5x - 10) = -11

Simplifying the left side of the equation:

4x - 2x^2 - 5x + 10 = -11

Rearranging the terms:

2x^2 - x + 21 = 0

Using the quadratic formula:

x = (-(-1) ± sqrt((-1)^2 - 4(2)(21))) / 2(2)

x = (1 ± sqrt(169)) / 4

x = (1 ± 13) / 4

Simplifying:

x = 3 or x = -7/2

Now, substitute each value of x back into one of the original equations to find the corresponding value(s) of y:

For x = 3:

y = 2(3)^2 + 5(3) - 10 = 25

So one solution point is (3, 25).

For x = -7/2:

y = 4(-7/2) + 11 = -7

So the other solution point is (-7/2, -7).

Therefore, the solution points for the system of equations are (3, 25) and (-7/2, -7).

Answer:

l=44in

Step-by-step explanation:

Using the formula

P=2(l+w)

Solving forl

l=P

2﹣w=94

2﹣3=44in

Values of x and y will be 12 and 5 respectively.

It's given in the question,

Since, expression for the coordinates of a point (h, k) which divides the segment joining points \((x_1,y_1)\) and \((x_2,y_2)\) in the ratio of m : n is given by,

h = \(\frac{mx_2+nx_1}{m+n}\)

k = \(\frac{my_2+my_1}{m+n}\)

Since, R is a point on segment QS dividing in the ratio of 3 : 2, coordinates of R will be,

\(8=\frac{3x+2\times 2}{3+2}\)

\(8=\frac{3x+4}{5}\)

\(3x+4=40\)

\(3x=36\)

\(x=12\)

Similarly, \(3=\frac{3y+2\times 0}{3+2}\)

\(3=\frac{3y}{5}\)

\(3y=15\)

\(y=5\)

       Therefore, values of x and y will be 12 and 5 respectively.

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Answer:

a < -7

Step-by-step explanation:

18 - a > 25

-a > 7

*divide by -1 and flip sign*

a < -7

:) hope i explained it

Answer: 18-a>25

We can solve the inequality for 'a' by isolating it on one side of the inequality symbol (>).

Starting with:

18 - a > 25

Subtracting 18 from both sides:

a > 7

Dividing by -1 (which changes the direction of the inequality):

a < -7

So the solution to the inequality is a value less than -7.

The *girl* above me did a great job :D

length = y

width = y- 5

(y-5) * (y) = 750

y^2 - 5y = 750

y^2 -5y - 750 = 0

answer:

(y + 25)(y – 30) = 0

The unknown number will be 31, if -16 is added to it and the sum is doubled, the result is 1 less than the number.

Let the unkown number be x.

Now according to the given question.

If -16 is added to the unknown number and the sum is doubled, the result is 1 less than the number.

⇒  (x + (-16))2 = x - 1

⇒ 2x - 32 = x - 1

⇒ 2x - x = -1 + 32

⇒ x = 31

Hence, the unknown number will be 31, if if -16 is added to it and the sum is doubled, the result is 1 less than the number.

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Answer:

Step-by-step explanation:

Solving for x,

This way, we can conlcude that:

Answer:

Just find the coordinate at the point where the x-coordinate is 3

Step-by-step explanation:

F(x) is just another term for Y. The variable of X is the value that you input into the f(x), which just stands for a function. Since the value that they asked for was 3, you know that they inputted the value of 3 as x. Just look where the coordinate at the point where the x-coordinate is 3 to find the answer.

Answer:

Sample Response: For f(3), the input is 3 and you are looking for the output. To determine the function's value when x = 3, go to the value of 3 on the x-axis and then locate the graph for that value of x. Determine the value of y from the y-axis at that location on the graph.

Step-by-step explanation:

answer on edge2020

The drum should have a radius of approximately 6.32 yards and a height of approximately 6.02 yards to minimize the cost of construction.

Let's denote the height of the drum by 'h' and the radius by 'r'. We must determine the drum's measurements to reduce material costs.

V=r2h is the formula for a cylinder's volume.  We know that the capacity of the drum is 861 cubic yards. Thus, 861 = πr²h.

To minimize the cost, we need to find the minimum cost of material used for the drum. The cost of the top and bottom is $19 per square yard, and the cost of the side is $6 per square yard. The top and bottom of the drum are circles with area πr² each, and the side of the drum is a rectangle with area 2πrh. Thus, the cost of material is given by C = 19πr² + 9πr² + 12πrh.

Using the equation for the volume of the drum, we can substitute for h and obtain the cost function in terms of r. We can then find the derivative of the cost function with respect to r and set it equal to zero to find the critical value of r that minimizes the cost. We get at r = 6.32 yards by solving for r.

Substituting r = 6.32 yards into the equation for the volume of the drum, we obtain h = 6.02 yards.

Thus, the drum with dimensions of radius 6.32 yards and height 6.02 yards can be constructed at minimum cost.

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The Einstein tensor Gμν is given by Gμν = 1/κ (Tμν - (1/2)gμνT), where κ is the gravitational constant, Tμν is the energy-momentum tensor, and gμν is the metric tensor

We have,

To derive the expression for the Einstein tensor

Gμν = 1/κ (Tμν - (1/2)gμνT),

We can follow these steps:

Step 1:

Start with the Einstein field equations, which relate the curvature of spacetime (given by the Einstein tensor Gμν) to the distribution of matter and energy (represented by the energy-momentum tensor Tμν) in general relativity.

Step 2:

Write down the Einstein field equations in covariant form:

Gμν = κTμν

where κ is the gravitational constant.

Step 3:

Express the Einstein tensor Gμν in terms of the metric tensor gμν and its derivatives.

The Einstein tensor is a contraction of the Riemann curvature tensor, which can be expressed in terms of the metric tensor and its derivatives.

Gμν = Rμν - (1/2)gμνR

where Rμν is the Ricci curvature tensor and R is the Ricci scalar.

Step 4:

Replace the Ricci curvature tensor Rμν and the Ricci scalar R in terms of the metric tensor gμν and its derivatives using the contracted Bianchi identities and the Einstein field equations.

Gμν = Rμν - (1/2)gμνR = Rμν - (1/2)gμν(gλσRλσ)

Step 5:

Rearrange the equation to isolate the Einstein tensor Gμν on one side:

Gμν + (1/2)gμν(gλσRλσ) = Rμν

Step 6:

Multiply both sides of the equation by (2/κ) to obtain:

(2/κ)Gμν + (1/κ)gμν(gλσRλσ) = (2/κ)Rμν

Step 7:

The term (2/κ)Rμν on the right-hand side can be recognized as (2/κ)Tμν, where Tμν is the energy-momentum tensor divided by the speed of light squared.

Step 8:

Finally, rewrite the equation in the desired form:

Gμν = (1/κ)(Tμν - (1/2)gμνT)

This is the derived expression for the Einstein tensor Gμν in terms of the energy-momentum tensor Tμν and the metric tensor gμν.

Thus,

The Einstein tensor Gμν is given by Gμν = 1/κ (Tμν - (1/2)gμνT), where κ is the gravitational constant, Tμν is the energy-momentum tensor, and gμν is the metric tensor

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The complete question:

"Show that the Einstein tensor Gμν is given by Gμν = 1/κ (Tμν - (1/2)gμνT), where κ is the gravitational constant, Tμν is the energy-momentum tensor, gμν is the metric tensor, and Gμν is the Einstein tensor. Provide a step-by-step explanation of the derivation."

Yes , the integer k is divisible by 4 and statement (1) alone is sufficient to determine that k is divisible by 4.

Given data ,

Let the equation be represented as A

Now , the value of A is

a)

To determine if the integer k is divisible by 4, let's analyze the given statements:

Statement (1): 8k is divisible by 16.

This means that 8k is a multiple of 16. Since 16 is divisible by 4, we can conclude that k must be divisible by 4 as well. Therefore, statement (1) alone is sufficient to determine that k is divisible by 4.

8k = 16

k = 2

b)

This statement does not provide direct information about the divisibility of k by 4. While 12 is divisible by 4, the fact that 9k is divisible by 12 does not guarantee that k itself is divisible by 4.

9k = 12

k = 12/9

k = 4/3

So , it is not an integer

In conclusion, statement (1) alone is sufficient to determine that k is divisible by 4. Statement (2) is not sufficient on its own.

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Answer:

\(x=\frac{3}{5}\)

x = - 1

Step-by-step explanation:

5x² + 2x - 3 = 0

5x² + 2x - 3x = 0

(5x² + 5x) + (- 3x - 3) = 0

5x(x + 1) - 3(x + 1) = 0

(5x - 3)(x + 1) = 0

Create separate equations.

5x - 3 = 0

x + 1 = 0

5x - 3 = 0

5x - 3 + 3 = 0 + 3

5x = 3

5x ÷ 5 = 3 ÷ 5

\(x=\frac{3}{5}\)

x + 1 = 0

x + 1 - 1 = 0 - 1

x = - 1

12. 5x² - 180 = 0

5x² = 0 + 180

5x² = 180

x² = 180/5

x² = 36

x = √36

x = 6

13. 3x² - 100 = 332

3x² = 332 + 100

3x² = 432

x² = 432/3

x² = 144

x = √144

x = 12

14. ⅔x² - 8 = 16

⅔x² = 16 + 8

⅔x² = 24

2x² = 24 × 3

2x² = 72

x² = 72/2

x² = 36

x = √36

x = 6

15. ½x² - 5 = 5

½x² = 5 + 5

½x² = 10

x² = 10 × 2

x² = 20

x = √20

16. x² + 1 = 3x² - 13

1 + 13 = 3x² - x²

14 = 2x²

14/2 = x²

7 = x²

√7 = x

17. 2(x² + 4) = 10

2x² + 8 = 10

2x² = 10 - 8

2x² = 2

x² = 2/2

x² = 1

x = √1

x = 1

18. 3(x² - 1) = 9

3x² - 3 = 9

3x² = 9 + 3

3x² = 12

x² = 12/3

x² = 4

x = √4

x = 2

19. 2(x + 3)² = 8

2(x² + 3² + 2×x×3) = 8

2(x² + 9 + 6x) = 8

2x² + 18 + 12x = 8

2x² + 12x = 8 - 18

2x² + 12x = -10

2(x² + 6x) = -10

x² + 6x = -10/2

x(x + 6) = -5

x + 6 = -5/x

6 = -5/x - x

6 = -5/x - x²/x

6 = (-5 -x²)/x

6x = -5 - x²

Answer:

O D. y=2(X+1)(x-5)

Step-by-step explanation:

O D. y=2(X+1)(x-5)

y=2x+2(x-5)

y=2x²-10x+2x-10

y=2x²-8x-10

To express the confidence interval 0.252 ± 0.044 in the form of p - e, we need to determine the center point (p) and the error margin (e).

The center point (p) is the middle value of the confidence interval, which is 0.252.

The error margin (e) is half of the width of the confidence interval, which is half of 0.044, so e = 0.022.

Therefore, the confidence interval 0.252 ± 0.044 can be expressed as:

p - e = 0.252 - 0.022

So, the confidence interval can be written as 0.230 ≤ p ≤ 0.274, where p represents the true value within the confidence interval.

In statistics, a confidence interval is a range of values that is likely to contain the true value of a population parameter. The confidence interval is usually represented as a point estimate (the center point) plus or minus a margin of error.

In the given case, the confidence interval is 0.252 ± 0.044. The center point, denoted as "p," is the estimated value based on the sample data, which is 0.252. The margin of error, denoted as "e," represents the uncertainty or variability in the estimate, which is 0.044.

Expressing the confidence interval in the form of p - e, we subtract the margin of error from the center point to obtain the lower bound, and add the margin of error to the center point to obtain the upper bound. In this case, the lower bound is 0.252 - 0.022 = 0.230, and the upper bound is 0.252 + 0.022 = 0.274.

So, the confidence interval 0.252 ± 0.044 can be interpreted as stating that we are 95% confident that the true value (represented by p) falls within the range of 0.230 to 0.274. This means that if we were to repeat the sampling process and construct confidence intervals in the same way, approximately 95% of those intervals would contain the true population parameter.

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Answer:

y = -x + 3    

Step-by-step explanation:

First of all, you need to memorize several forms of the equation of a straight line.  Here you have -2y - 2x = -6 in "standard form" and want the equivalent equation in "slope intercept form," y = mx + b.

To get this, solve the first equation for y by dividing all three terms by -2:

y + x = 3.

Then solve this result for y:

y = -x + 3    

This is the desired equation in slope-intercept form.

The answer should be false

36 cm tall will their stacks be when they are the same height for the first time.

Given,

Two students in Mrs. Johnson's preschool class are stacking blocks:

The height of Reece's block = 4 cm

The height of Maddy's block = 9 cm

We have to find the height of the stacks when they are same height for the first time.

Here,

We have to find the least common multiple.

Least Common Multiple (LCM):

The smallest number that is a multiple of both of two numbers is called the least common multiple.

So here,

We have to find the least common multiple of 4 and 9.

Here, the least common multiple of 4 and 9 = 36

Then,

36 cm tall will their stacks be when they are the same height for the first time.

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Answer:

a. 3

b. 9

Step-by-step explanation:

6 / 2 = 3

It takes each person 3 hours.  

a. 3

b.  3*3 = 9

Answer: mean= 24.2 and the standard deviation is 6.0 :)

Step-by-step explanation: this is because when you solve for the equation the result for the standard deviation is 6.3 but if you round the number, it becomes 6.0, being the standard deviation.

Answer:

D (-3, 5)

Step-by-step explanation:

270 counter clockwise is the same as 90 clockwise.

For a 90° clockwise or 270° counter clockwise, take the opposite of the x coordinate then switch the coordinates.

(-5, -3) -----> (5, -3) ------> (-3, 5)

You can also rotate your screen 90° clockwise to see the new coordinates for A.

The option b "The area under the curve is 1." and the option d "It is symmetrical" are true about the probability function for a t distribution.

When the sample size is small and the population standard deviation is unknown, the t-distribution is used in statistics.

Option b confirms that the total area under the t-distribution curve is 1, indicating that the sum of probabilities for all possible outcomes is also equal to 1.

Option d confirms the symmetry of the t-distribution, implying that the curve is balanced on both sides of the mean. The mean, median, and mode of a symmetrical distribution are all equal.

To summarize, the t-distribution is a useful tool in statistics when working with small sample sizes because it accounts for the uncertainty in the population standard deviation.

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Answer:A I Believe

Step-by-step explanation:

Answer:

slope of the line: 1

Step-by-step explanation:

See the attached image for added lines.

The slope of the line is rise/run = 1/1 = 1.