pls help ill give brainliest :))

Within sample variance occurs within a single sample or group.

Within sample variance refers to the variation or dispersion of values within a single sample or group. It measures how much the individual data points deviate from the mean or central tendency within that specific sample. This variance is calculated by taking the average of the squared differences between each data point and the sample mean.

For example, let's say we have a sample of test scores for a group of students. Within sample variance would help us understand how much the individual test scores vary within that particular group. If the test scores are tightly clustered around the mean, the within sample variance would be low, indicating a high level of similarity among the scores. Conversely, if the test scores are widely spread out, the within sample variance would be high, suggesting a greater diversity or variability among the scores.

In summary, within sample variance occurs within a single sample or group and quantifies the dispersion of values around the mean within that sample. It helps assess the level of variation or homogeneity within the data set.

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The characteristic that is not a characteristic of a good vector (plasmid) is "Plasmids contain reporter genes that provide a visual indication of whether a cell contains a vector with an insert."

Plasmids are commonly used as vectors in molecular biology to carry and transfer genes of interest into host cells. They possess several characteristics that make them suitable for this purpose. Let's discuss each characteristic mentioned in the options and identify the one that does not apply:

Plasmids can carry one or more resistance genes for antibiotics: This is indeed a characteristic of a good vector. Plasmids often contain antibiotic resistance genes that allow selection for cells that have successfully taken up the plasmid. The presence of resistance genes enables researchers to screen for and identify cells that have successfully acquired and maintained the plasmid of interest.

Plasmids have an origin of replication so they can reproduce independently within the host cells: This is another characteristic of a good vector. Plasmids possess an origin of replication (ori), which is a specific DNA sequence that allows them to replicate autonomously within the host cells. This ability to self-replicate is essential for maintaining and propagating the plasmid and the genes it carries.

Vectors have been engineered to contain an MCS (multiple cloning site): This is also a characteristic of a good vector. An MCS, also known as a polylinker, is a DNA region engineered into the vector that contains multiple unique restriction enzyme recognition sites. These sites allow for the insertion of DNA fragments of interest into the vector. The presence of an MCS facilitates the cloning of desired genes or DNA fragments into the plasmid.

Plasmids contain reporter genes that provide a visual indication of whether a cell contains a vector with an insert: This statement is not a characteristic of a good vector. While plasmids can be engineered to contain reporter genes, such as fluorescent or luminescent proteins, their presence is not a universal characteristic of all plasmids or vectors. Reporter genes are useful for visualizing and confirming the presence of the inserted gene or DNA fragment, but their inclusion is not essential for a vector to be considered "good."

Therefore, the characteristic that is not a characteristic of a good vector (plasmid) is "Plasmids contain reporter genes that provide a visual indication of whether a cell contains a vector with an insert." While reporter genes can be incorporated into plasmids for certain applications, they are not a fundamental requirement for a plasmid to function as a good vector.

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Answer:

180ft^2

Step-by-step explanation:

lw + lw + lw + bh

[ (11*2.5) + (6.5*11) + (6*11) <- Area of the rectangles ]

[ (6*2.5) <- Area of the Triangles ]

[ (11*2.5) + (6.5*11) + (6*11) ] = 165

[ 6*2.5 ] = 15

165 + 15 = 180

180ft^2

Answer:

101 degrees

Step-by-step explanation:

the sum of all angles in a triangle is always 180 degrees.

the other not-shaded angle in the lower triangle is also 42 degrees.

the shaded angle is therefore

180 - 37 - 42 = 101 degrees

Answer:

54?

Step-by-step explanation: 17+19=36

36=90=126

180-126=54

The vertex of the parabola is of the form,

The vertex given is,

The general equation of parabola is

Here, p is the distance between vertex and focus.

Susbtitute the values,

The correct option is C.

Answer:

y= 7/9x -17/9

Step-by-step explanation:

(5,2) (-4,-5)

slope intercept of a line is

y = mx +b

m = y2-y1/ x2-x1

= -5-2/ -4-5 = -7/-9

=7/9

if the line is passing through (5,2)

2= 7/9(5)+ b

2=35/9 +b

b = 2-35/9

b= -17/9

y= 7/9x -17/9

Answer: 1. 2

2. 0

3. 2

4. 4

Step-by-step explanation:

Answer:

sup

Step-by-step explanation:

Answer:

−7<x<7

Step-by-step explanation:

Let's find the critical points of the inequality:

x2=49

x=±√49(Take square root)

x=7 or x=−7

Check intervals in between critical points. (Test values in the intervals to see if they work.)

x<−7(Doesn't work in original inequality)

−7<x<7(Works in original inequality)

x>7(Doesn't work in original inequality)

Hope this helped :)

The values of the inverse functions are f-¹ (3) = -1 and f-¹ (8) = 7

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

x   f(x)

-1   3

1     6

2    5

3    7

7   8

Using the above as a guide, we have the following:

f-¹ (x) means that we calculate the value of x from the table when y = x in the function notation

So, we have

f-¹ (3) = -1 and f-¹ (8) = 7

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Answer:

3  1/100

Step-by-step explanation:

Place the decimal number over a power of ten.

bottom was cut off a bit its 4=b

Statistics computed for larger random samples tend to be less variable compared to statistics computed for smaller random samples.

This statement is based on the concept of the Central Limit Theorem (CLT) in statistics. According to the CLT, as the sample size increases, the distribution of the sample mean approaches a normal distribution regardless of the shape of the population distribution. This means that the variability of the sample mean decreases as the sample size increases.

The variability of a statistic is commonly measured by its standard deviation or variance. When working with larger random samples, the individual observations have less impact on the overall variability of the statistic. As more data points are included in the sample, the effects of outliers or extreme values tend to diminish, resulting in a more stable and less variable estimate.

In practical terms, this implies that estimates or conclusions based on larger random samples are generally considered more reliable and accurate. Researchers and statisticians often strive to obtain larger sample sizes to reduce the variability of their results and increase the precision of their statistical inferences.

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Answer:

13 7/16

answer is a mixed number form i dont know how you wanted it .

Answer:

13 7/16 or 13.4375

Step-by-step explanation:

a) The ratio of marshmallows to ice cream is 3:1.

b) The percentage of heavenly hash ice cream that is chocolate ice cream is 90%.

c) To make a 20 L tub of heavenly hash ice cream, you would need 0.5 L of cashews, 1.5 L of marshmallows, and 18 L of chocolate ice cream.

a) To find the ratio of marshmallows to ice cream, we need to compare the volumes of these two ingredients.

Given that the ratio of cashews to marshmallows to chocolate ice cream is 1:3:36, we can simplify it to 1:3:36/36, which becomes 1:3:1.

Therefore, the ratio of marshmallows to ice cream is 3:1.

b) To find the percent of heavenly hash ice cream that is chocolate ice cream, we need to determine the proportion of chocolate ice cream in the total volume.

Since the total ratio of ingredients is 1+3+36 = 40, the proportion of chocolate ice cream is 36/40.

To express this as a percentage, we multiply 36/40 by 100.

Thus, the percentage of heavenly hash ice cream that is chocolate ice cream is 90%.

c) To determine the amount of each ingredient needed to make a 20 L tub of heavenly hash ice cream, we can use the given ratio.

Since the total ratio of ingredients is 1+3+36 = 40, we can calculate the proportions of each ingredient as follows:

Cashews: (1/40) * 20 L = 0.5 L
Marshmallows: (3/40) * 20 L = 1.5 L
Chocolate ice cream: (36/40) * 20 L = 18 L

Therefore, to make a 20 L tub of heavenly hash ice cream, you would need 0.5 L of cashews, 1.5 L of marshmallows, and 18 L of chocolate ice cream.

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The following are the solution to the given inequalities;

-13 < 4x + 7 ; -5 < x

-2x + 7 < 19 ; x > -6

-45 < 5(p - 2) ; -7 < p

21 < -7(x - 2) ; -1 > x

-9x + 10 > -8 ; x < 2

2 - 6 < 3 ; -4 < 3

-13 < 4x + 7

combine like terms

-13 - 7 < 4x

-20 < 4x

divide both sides by 4

-5 < x

-2x + 7 < 19

combine like terms

-2x < 19 - 7

-2x < 12

x < 12/-2

x > -6

When dividing inequality with negative, the inequality sign will flip.

-45 < 5(p - 2)

open parenthesis

-45 < 5p - 10

-45 + 10 < 5p

-35 < 5p

-7 < p

21 < -7(x - 2)

21 < -7x + 14

21 - 14 < -7x

7 < -7x

divide both sides by -7.

-1 > x

-9x + 10 > -8

-9x > -8 - 10

-9x > -18

x > -18/-9

x < 2

2 - 6 < 3

-4 < 3

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The value of x is 726 ft.

We have,

Perimeter of the property= 3279 feet

Now, the shape of the property is Trapezium.

and, the dimension of trapezoidal property is

x + 74, x +27, x+ 274 and x

So, the perimeter of trapezoid

3279 = sum of length of side

3279 = x + x + 74 + x + 27 +  x +274

3279 = 4x  + 375

4x = 2904

x = 726 ft

Thus, the value of x is 726 ft.

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The value of x is 10.

Given triangle is a right-angled triangle.

Let the lengths of not mentioned lengths be 2p(hypotenuse) and 2q (other side).

There are two triangles in the given picture.

Consider the smaller triangle.

Apply Pythagoras theorem to that i.e.,

\(p^{2}\) = \((3x)^{2} + q^{2}\)

(Here, total hypotenuse is 2p length and the smaller triangle has half of its length. So, length is p. Similarly in case of q)

\(p^{2} = 9x^{2} + q^{2}\)  (Equation 1)

Now, consider the large triangle.

Apply Pythagoras theorem to that i.e.,

\((2p)^{2} = (4x + 20)^{2} + (2q)^{2}\)

\(4p^{2} = (16x^{2} + 160x + 400) + 4q^{2}\)

Substitute \(p^{2}\) from Equation 1

\(4(9x^{2} + q^{2} ) = 16x^{2} + 160x + 400 + 4q^{2}\\\)

\(36x^{2} + 4q^{2} = 16x^{2} + 160x + 400 + 4q^{2}\)

\(36x^{2} = 16x^{2} + 160x + 400\)  (\(4q^{2}\) from both sides got cancelled)

\(20x^{2} - 160x - 400 = 0\)

Solving the quadratic equation,

\(20x^{2} - 200x + 40x - 400 = 0\)

\(20x(x - 10) + 40(x - 10) = 0\)

\((20x+ 40)(x - 10) = 0\)

So, 20x + 40 = 0 or x - 10 = 0

i.e., x = -2 or 1o

But \(x \neq -2\) because angles cannot be negative.

So, x is 10.

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Hey!!

Solution,

(-1)^3

= (-1)*(-1)*(-1)

= 1*(-1)

=-1

The answer is -1.

Hope it helps

Good luck on your assignment

Answer:  The correct answer is:  " - 1 " .

_____________________________________

Step-by-step explanation:

_____________________________________

(-1)³ =   (-1) * (-1) * (-1)  =  (1) * (-1)  =  - 1 .

_____________________________________

Hope this helps!

_____________________________________

Long after Mr. and Ms. Jones has been destroyed from the farm,  the animals called pigs invoke his name to scare the other animals into submission.

Indeed though the ranch possesses all of the necessary accoutrements to make the windmill, but the design presents a number of difficulties.

The creatures in the farm are struggle over how to break the available gravestone into manageable sizes for structure without picks and crowbars, which they're unfit to use.

And they eventually break the problem by learning to raise and also drop big monuments into the chase, smashing them into usable gobbets.

At the time of late summer, the creatures have enough broken gravestone to begin construction.

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Answer: 6 hikes

Step-by-step explanation:

Look at the image provided. The lengths of the hikes are provided below. 1/2 is equivalent to 2/4 which is greater than/longer than 1/4 of an hour. We count the amount of X's above the numbers 1/2, 3/4, and 1 for an answer of 6. Hope this helped! :)

Answer:

6

Step-by-step explanation:

There are 6 crosses above 1/4 on the graph

Answer:

Irrational

Step-by-step explanation:

If sqrt is an integer - rational

If sqrt is not an integer - irrational

sqrt(200) = 14.14213562373.....

[IRRATIONAL]

Answer:

a number line or something like this

Here's link\(^{}\) to the answer:

bit.\(^{}\)ly/3gVQKw3

Answer:

C

Step-by-step explanation:

Plug (5, -2) into the equation

2(5) - (-2) =

10 + 2 =

12

C is the answer

(5, -2) is the answer

Answer:

The coordinates of \(Y'(x,y)\) and \(Z'(x,y)\) are \(Y'(x,y) = (2.3, 7)\) and \(Z'(x,y) = (1.8, 5)\), respectively.

Step-by-step explanation:

A translation is a geometrical operation consisting in moving a point a given distance. We proceed to describe the operation:

\(X(x,y) +U(x,y) = X'(x,y)\) (Eq. 1)

Where:

\(X(x, y)\) - Initial point on the cartesian plane, dimensionless.

\(X'(x, y)\) - Translated point on the cartesian plane, dimensionless.

\(U(x, y)\) - Translation component, dimensionless.

Vectorially speaking, we find that translation component is:

\(U(x, y) = X'(x,y) -X(x,y)\)

If we know that \(X(x,y) = (8, -2.3)\) and \(X'(x,y) = (3.8, -0.3)\), the translation component is:

\(U(x,y) = (3.8,-0.3)-(8,-2.3)\)

\(U(x,y) = (3.8-8, -0.3+2.3)\)

\(U(x,y) = (-4.2, 2)\)

Now we determine the coordinates of \(Y'(x,y)\) and \(Z'(x,y)\):

(\(Y(x,y) = (6.5, 5)\), \(Z(x,y) = (6,3)\))

\(Y'(x,y) = Y(x,y) + U(x,y)\) (Eq. 2)

\(Y'(x,y)=(6.5, 5) + (-4.2, 2)\)

\(Y'(x,y) = (2.3, 7)\)

\(Z'(x,y) = Z(x,y) + U(x,y)\) (Eq. 3)

\(Z'(x,y) = (6,3)+(-4.2,2)\)

\(Z'(x,y) = (1.8, 5)\)

The coordinates of \(Y'(x,y)\) and \(Z'(x,y)\) are \(Y'(x,y) = (2.3, 7)\) and \(Z'(x,y) = (1.8, 5)\), respectively.

Answer:

===========================

Since absolute value is never negative, this inequality is correct for any value of m.

Correct answer choice is B.

Answer:

All real numbers.

Step-by-step explanation:

The bars either side of an expression or a value are the absolute value symbol. "Absolute value" means how far a value is from zero. Therefore, the absolute value of a number is its positive numerical value.

Given inequality:

\(|9m|+40 > 4\)

Subtract 40 from both sides to isolate the absolute value on one side of the equation:

\(\implies |9m|+40-40 > 4-40\)

\(\implies |9m| > -36\)

As the absolute value of a number or expression is its positive numerical value:

\(\implies |9m| \geq 0\)

Therefore, as 9m is always greater than or equal to zero, it will always be greater than -36, regardless of the value of m.

Therefore, the solution of the given inequality is all real numbers.

The values of x and XZ, calculated by the given equations are  3 and 30 respectively.

What is a equation?

The equals sign indicates that two expressions in an equation are equal. An equation is a mathematical formula. The meaning of the word equation and its cognates may change a bit depending on the language. An equation is defined as including one or more variables in French, as opposed to English, where an equation is defined as any well-formed formula that consists of two expressions connected by the equals sign.

Given information (and equations) in the question:

Y is between X and Z,

XY = 19,

YZ = 2x+5,

XZ = 6x+12

Since the question say Y is between X and Z, it means:

XY + YZ = XZ

Substituting the values in this equation by the values given in the question:

19 + 2x + 5 = 6x + 12

24 - 12 = 4x

x = 3

putting the value of x in the given equation:

XZ = 6x + 12

XZ = 6(3) + 12

XZ = 18 + 12

XZ = 30

Hence, the values of x and XZ are 3 and 30 respectively.

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Answer:  (sec x – tan x)(csc x + 1).

Step-by-step explanation: