Compare the triangles and determine whether they can be proven congruent, if possible by SSS, SAS, ASA, AAS, HL, or N/A (not congruent or not enough information). Select your answer.... Take your time this is a grade!
N/A
SSS
SAS
ASA
AAS

its a and c maybe. cuz im smart

(E) "Increase the sample size to 200 children"

To increase the statistical power in this context, where the program sponsors believe the program is effective, we need to consider methods that would increase the likelihood of detecting a statistically significant improvement in mathematics skills.

Statistical power is the probability of correctly rejecting the null hypothesis when it is false (i.e., detecting a true effect). In this case, the null hypothesis would be that there is no improvement in mathematics skills due to the program.

Among the options provided, the most appropriate method for increasing power would be to increase the sample size.

By increasing the sample size, we can reduce sampling variability and increase the precision of our estimates. This would lead to narrower confidence intervals and a higher likelihood of detecting a statistically significant improvement in mathematics skills if the program is indeed effective.

The other options, (A) "Use a two-sided test instead of a one-sided test," (B) "Use a one-sided test instead of a two-sided test," (C) "Use a = 0.01 instead of a = 0.05," and (D) "Decrease the sample size to 50 children," do not directly address the issue of increasing statistical power and may not necessarily improve the ability to detect a true effect.

to know more about probability visit:

brainly.com/question/31828911

#SPJ11

Answer:

x=8

Step-by-step explanation:

Make sure variables are on one side of the equation and numbers are on the other

-3x+7x=-20-12

-4x=-32

4x=32

x=8

Please mark Brainliest! I will appreciate it! :)

Answer:it is c

Step-by-step explanation:

Answer:b

Step-by-step explanation:

The least squares regression line minimizes the sum of the mean squared error.

The least squares regression line, also known as the ordinary least squares (OLS) regression line, is a straight line that represents the best fit to a set of data points. It is used to model the relationship between a dependent variable (Y) and one or more independent variables (X) based on the principle of minimizing the sum of the squared differences between the observed data points and the predicted values on the line.

Mean squared error (MSE) is a measure of how well the regression line fits the data points.

It represents the average of the squared differences between the actual values and the predicted values by the regression line.

By minimizing the sum of the squared errors, the least squares regression line finds the line that best fits the data in a linear regression model.

This line is the one that provides the best fit in the sense of minimizing the overall error in the predictions.

Learn more about Mean squared error (MSE) :

https://brainly.com/question/30763770

#SPJ11

Answer:

13/510

Step-by-step explanation:

The answer is 13/510 because 17 as a fraction is 17/1 and when dividing you switch the fraction upside down which makes it 1/17 and 13/30 times 1/17 is 15/510.

Answer: guess what the guy on top said u can caculate it btw

Step-by-step explanation:

The area of the shaded portion of the figure is 272 units squared.

The figure above is a triangle inside a trapezium. The area of the shaded portion can be found when we subtract the area of the triangle from the area of the trapezium.

Therefore,

area of the shaded portion = area of the trapezium - area of the triangle

area of the triangle = 1 / 2 bh

where

Therefore,

area of the triangle = 1 / 2 × 18 × 16

area of the triangle = 288 / 2

area of the triangle = 144 units²

area of the trapezium = 1 / 2 (a + b)h

where

Therefore,

area of the trapezium = 1 / 2 (18 + 34)16

area of the trapezium = 1 / 2 (52)16

area of the trapezium =  832 / 2

area of the trapezium = 416 unit²

Therefore,

area of the shaded portion = 416 - 144

area of the shaded portion = 272 units²

learn more on area here: brainly.com/question/293202

#SPJ1

Answer:

It would be D

Step-by-step explanation:

Many children develop the ability to do simple arithmetic problems during their early childhood years, typically between the ages of 4 and 6. Correct option is a).

During this time, children start to understand basic mathematical concepts such as counting, addition, and subtraction. They may also begin to recognize and name numbers and use basic math vocabulary. However, it's important to note that every child develops at their own pace and some may show these skills earlier or later than others. It's also important for parents and caregivers to provide opportunities for children to practice and reinforce these skills through activities such as counting objects, playing number games, and solving simple math problems.

More on child development: https://brainly.com/question/6864069

#SPJ11

To determine if the polynomial is even, odd, or neither, we substitute -x for x in the polynomial and simplify. -3(-x)² + 6(-x) = -3x² - 6x. Since the polynomial is not equal to its negation, it is neither even nor odd.

To write the equation of the line with an x-intercept at -6 and a y-intercept at 2, we can use the slope-intercept form of a line, y = mx + b, where m is the slope and b is the y-intercept.

In this case, the y-intercept is given as 2, so the equation becomes y = mx + 2. To find the slope, we can use the formula (y2 - y1) / (x2 - x1) with the given points (-6, 0) and (0, 2). We find that the slope is 1/3. Thus, the equation of the line is y = (1/3)x + 2.

For the polynomial f(x) = -3x² + 6x, the degree is 2 and the leading coefficient is -3. The end behavior of the graph is determined by the degree and leading coefficient. Since the leading coefficient is negative, the graph will be "downward" or "concave down" as x approaches positive or negative infinity.

To find the zeros, we set the polynomial equal to zero and solve for x. -3x² + 6x = 0. Factoring out x, we get x(-3x + 6) = 0. This gives us two solutions: x = 0 and x = 2.

The x-intercept is the point where the graph intersects the x-axis, and since it occurs when y = 0, we substitute y = 0 into the polynomial and solve for x. -3x² + 6x = 0. Factoring out x, we get x(-3x + 6) = 0. This gives us two x-intercepts: (0, 0) and (2, 0).

To determine if the polynomial is even, odd, or neither, we substitute -x for x in the polynomial and simplify. -3(-x)² + 6(-x) = -3x² - 6x. Since the polynomial is not equal to its negation, it is neither even nor odd.

Learn more about Polynomial here:

brainly.com/question/28973842

#SPJ11

Answer:

Cafe A - 54

Cafe B - 56

Step-by-step explanation:

Welch's two-sample t-test indicates that the average of Load Return's population is significantly greater than the average of No Load Return's population, with a large effect size.

The null hypothesis (H0) that the two population means are equal is rejected as the p-value (0.005) is less than the chosen significance level (α=0.05). This indicates that the chance of a Type 1 error is small, and the alternative hypothesis (H1) that the average of Load Return's population is greater than the average of No Load Return's population is supported.

The test statistic (T=-2.646) falls outside the 95% critical value accepted range, which further supports the rejection of H0. The effect size (0.68) is considered large, indicating that the difference between the two population means is substantial.

Learn more about p-value

https://brainly.com/question/13786078

#SPJ4

Complete Question:

use the 60 mutual funds in the table below to conduct the hypothesis test. what is the p value? p value is (to 4 decimals)

The slope is 2, which equals the distance travelled each hour. The total distance hiked at the start of the second day is represented by the y-intercept, which is 4, which is also the y-value. intercept's

We locate the rise/run before calculating the slope. Since the line increases by 2 between each point, the rise is 2. It travels over 1 between the points, hence the run is 1. The slope is now 2/1, or 2.

Given that it is rise/run, this gives us miles/hours, which indicates the number of miles she treks per hour.

The line's crossing of the y-axis is known as the y-intercept. At four, this is.

The fact that the y-value at this time is 4 and the x-value at this point is 0 tells us that she has trekked 4 miles in the 0 hours since the start of the second day, which is the distance she has covered so far.

To learn more about  Slope refer to:

https://brainly.com/question/3493733

#SPJ1

The rationalized expression would be \(\sqrt{3}+\frac{\sqrt{9} }{\sqrt{x}}\).

What is a rationalized expression?

A rationalized expression is an expression that has been written in a simplified form which eliminates any radicals (square roots, cube roots, etc.) from the denominator. The denominator is made a rational number, meaning it can be expressed as a fraction with an integer numerator and denominator. This is done by multiplying both the numerator and the denominator by the radical of the denominator. This process is called rationalization.

The given expression is

                          \(=\frac{\sqrt{9}}{\sqrt{3}+ \sqrt{x} } \\\\=\frac{\sqrt{9} }{\sqrt{3} }+ \frac{\sqrt{9} }{\sqrt{x}}\\\\=\frac{3 }{\sqrt{3} }+\frac{\sqrt{9} }{\sqrt{x}}\\\\=\sqrt{3}+\frac{\sqrt{9} }{\sqrt{x}}\)

Hence, the rationalized expression would be \(\sqrt{3}+\frac{\sqrt{9} }{\sqrt{x}}\).

To learn more about the rationalized expression, visit:

https://brainly.com/question/16831291

#SPJ1

Answer:

Step-by-step explanation:

all internal angles in a triangle add to 180 degrees.

77+36=113

180-113=67

we know that the final angle in the triangle is 67 degrees

the left parallel line makes another triangle in the bottom left. we know that one angle is 41 and we just calculated that the other is 67.

41+67=108

180-108=72

so now we know that the small triangle in the bottom left has angles of 41,67 and 72.

all straight lines are 180 degrees, and we just figures out that the left side of the left parallel line is 72 degrees. therefore the other side is 108 degrees.

since they are parallel lines, the left angle of both of them on the bottom line is 72, while the right angle is 108.

this means that x=108 degrees

i hope this is right and it helps if it is correct. really sorry if it is wrong. have a good day :)

The correct answer is A. The null hypothesis is rejected in error.

In statistical hypothesis testing, a Type II error occurs when the null hypothesis is incorrectly retained or failed to be rejected when it is actually false.

In other words, a Type II error happens when the researcher concludes that there is no significant difference or relationship between variables when, in reality, there is.

It is a false negative result, as the researcher fails to detect a true effect or relationship.

Option A accurately describes Type II error, while the other options are not related to Type II error.

Option B refers to rejecting the research hypothesis, which is not a Type II error but rather a Type I error.

Option C refers to the study being underpowered, which may increase the likelihood of both Type I and Type II errors but is not a direct description of Type II error.

Option D mentions double-blinding, which is a methodological consideration and not directly related to Type II error.

Option E refers to accepting the research hypothesis in error, which is not a Type II error but rather a correct decision or Type I error.

To know more about hypothesis refer here:

https://brainly.com/question/32562440#

#SPJ11

Answer: 12 blueberry muffins

Step-by-step explanation:

Answer:

B X equals 3

Step-by-step explanation:

e3quals 3

Answer:

A(10) = $13,961.50

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 5.25/100

r = 0.0525 rate per year,

Then solve the equation for A

The formula is given as:

A = Pe^rt

P = 8259

r = 0.0525

t = 10 years.

Hence,

A = 8,259.00 × e^(0.0525×10)

A = $13,961.50

Therefore, the money that will be in the account after 10 years is $13,961.50

In this scenario, a computer software magazine compares the rates of malware infection for computers protected by security software A and B.

To construct a 98% confidence interval for the difference between the proportions of infection for the two types of security software packages, follow these steps:

1. Calculate the proportions of infection for each security software (pA and pB):
  pA = 80/800 = 0.1
  pB = 45/900 = 0.05

2. Calculate the combined proportion (pC) and the standard error (SE) for the difference between proportions:
  pC = (80 + 45) / (800 + 900) = 125/1700 = 0.0735
  SE = sqrt((pC * (1 - pC)) * ((1/800) + (1/900))) = 0.0204

3. Find the z-score for a 98% confidence interval (z = 2.33 for a 98% CI).

4. Calculate the margin of error (ME) using the z-score and standard error:
  ME = z * SE = 2.33 * 0.0204 = 0.0475

5. Calculate the confidence interval for the difference between proportions:
  CI = (pA - pB) ± ME = (0.1 - 0.05) ± 0.0475 = 0.05 ± 0.0475 = (0.0025, 0.0975)

The 98% confidence interval is (0.0025, 0.0975), which can be rounded to (0.002, 0.098). This interval does not contain zero, which means it contradicts the claim that the proportion of infections is the same for the two types of security software. Therefore, the answer is (0.02, 0.098); yes.

Learn more about standard error (SE) here:

brainly.com/question/24197225

#SPJ11

a) True, b) False, c) False, d) True, e) False, f) False, g) True

a) The statement is true. The symbol "∅" represents the empty set, which does not contain any elements. Since 0 is not an element of the empty set, the statement "0 ∈ ∅" is false.

b) The statement is false. The symbol "{0}" represents a set containing the element 0. The empty set, represented by "∅", does not contain any elements. Therefore, the empty set is not an element of the set {0}.

c) The statement is false. The symbol "{0}" represents a set containing the element 0. However, the empty set, represented by "∅", does not contain any elements. Therefore, the set {0} is not a subset of the empty set.

d) The statement is true. The empty set, represented by "∅", does not contain any elements. Every set is a subset of the empty set, including the set {0}.

e) The statement is false. The symbol "{0}" represents a set containing the element 0. In this case, {0} is not an element of itself. Therefore, the statement "{0}∈{0}" is false.

f) The statement is false. The symbol "{0}" represents a set containing the element 0. In this case, {0} is not a proper subset of itself. Therefore, the statement "{0}⊂{0}" is false.

g) The statement is true. The symbol "{∅}" represents a set containing the empty set. In this case, {∅} is a subset of itself because it contains the element ∅. Therefore, the statement "{∅} ⊆ {∅}" is true.

Learn more about empty set here: https://brainly.com/question/13553546

#SPJ11

Answer:

True!

Step-by-step explanation:

if 2 of the x's have the same number it is not a function

The predicted fuel efficiency for a speed of 30 mph will be 26.50 mpg when the least-squares regression line is given.

If the data demonstrates a stronger link between two variables, the line that best matches this linear relationship is known as a least-squares regression line, and it minimizes the vertical distance between the data points and the regression line. A regression line is a straight line that illustrates how a response variable y varies when an explanatory variable x changes. The line is a mathematical model that predicts the value of y given a value of x. A regression line predicts the value of y for a given value of x. A regression line is discovered through regression analysis. When the explanatory variable changes, the regression line shows how much and in which direction the response variable changes.

To know more about the least-squares regression line,

https://brainly.com/question/15455036

#SPJ4

Answer:

SA = 148 cm²

Step-by-step explanation:

the opposite faces of the cuboid are congruent , then

SA = 2(6 × 5) + 2(4 × 5) + 2(6 × 4)

     = 2(30) + 2(20) + 2(24)

     = 60 + 40 + 48

     = 148 cm²

The time it takes for the object to reach its maximum height is 4 seconds.An equivalent expression to this one: -3.5x + 0.2 + 0.8x + 3x + 0.4 is -3.5x + 4.2

Given that s(t) = –4.9t² + 39.2t represents an object launched from ground level directly upward at 39.2 m/s. To find the time it takes for the object to reach its maximum height, we have to use the following formula: t = -b/2aHere, a = -4.9, b = 39.2. The equation can be written as: s(t) = –4.9t² + 39.2t  = -4.9(t² - 8t)

Using the complete the square method: -4.9(t² - 8t + 16) = -4.9(t - 4)² + 78.4We observe that the maximum height occurs when t = 4. Hence, we substitute t = 4 in the equation s(t) and find the maximum height.s(4) = -4.9(4)² + 39.2(4) = 78.4 mHence, the time it takes for the object to reach its maximum height is 4 seconds.An equivalent expression to this one: -3.5x + 0.2 + 0.8x + 3x + 0.4 is -3.5x + 4.2

To know more about maximum height :

https://brainly.com/question/29116483

#SPJ11

Answer:K=-4

Step-by-step explanation:

kx+8=x-7

when x =3

then, 3k+8=3-7

      3k=-8-4

      3k=-12

        k= -4

The value of k that makes x = 3 a solution of the equation kx + 8 = x - 7 is k = -4.

To find the value of k that makes x = 3 a solution of the equation kx + 8 = x - 7, you can substitute 3 for x in the equation and solve for k.

Substituting 3 for x gives:

k(3) + 8 = 3 - 7

This simplifies to:

3k + 8 = -4

Then, you can subtract 8 from both sides of the equation to isolate the k term:

3k + 8 - 8 = -4 - 8

3k = -12

Finally, you can divide both sides of the equation by 3 to solve for k:

(3k)/3 = (-12)/3

k = -4

Therefore, the value of k that makes x = 3 a solution of the equation kx + 8 = x - 7 is k = -4.

To learn more about linear equations,

https://brainly.com/question/14323743

The height of the right triangle is 24 centimeters. This is determined by solving the equation for the area of the triangle, which is given as 96 cm², and considering that the height is 3 times the length of the base. By substituting the values and solving the equation, we find that the height is indeed 24 centimeters.

To determine the height of the right triangle, we can use the formula for the area of a triangle, which is given by the formula A = (1/2) * base * height. In this case, the area is known to be \(96 cm^2\).

Let's denote the length of the base as x. According to the problem statement, the height is 3 times the length of the base, so the height can be expressed as 3x.

Substituting these values into the area formula, we get:

\(96 = (1/2) * x * 3x\)

Simplifying the equation:

\(96 = (3/2) * x^2\)

To solve for x, we can divide both sides of the equation by (3/2):

\(64 = x^2\)

Taking the square root of both sides, we find:

x = 8

Since the height is 3 times the length of the base, the height is:

3 * 8 = 24 centimeters.

Therefore, the height of the right triangle is 24 centimeters.

To learn more about Right triangles, visit:

https://brainly.com/question/12111621

#SPJ11