True or false: a line best fit is always an estimate and cannot be calculated

The answer which are true about the two rectangular pyramids are;

It follows from the task content that the dimensions of the rectangular prisms are the same and are as given.

On this note, it follows that the volume of the composite figure is; 1.5(9)(5) + 1.5(9)(5) = 135units³.

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The derivative of y with respect to x is \(y' = 4(x^2 + 4x + 2)(x + 2)\). The slope of the tangent line at the point (3, 529) is 460. The equation of the tangent line at the point (3, 529) is y = 460x - 851.

To find the slope of the tangent line at the point (3, 529) on the curve \(y = (x^2 + 4x + 2)^2\), we first need to find y' (the derivative of y with respect to x).

Let's differentiate y with respect to x using the chain rule:

\(y = (x^2 + 4x + 2)^2\)

Taking the derivative, we have:

\(y' = 2(x^2 + 4x + 2)(2x + 4)\)

Simplifying further, we get:

\(y' = 4(x^2 + 4x + 2)(x + 2)\)

Now, we can find the slope of the tangent line at the point (3, 529) by substituting x = 3 into y':

\(y' = 4(3^2 + 4(3) + 2)(3 + 2)\)

y' = 4(9 + 12 + 2)(5)

y' = 4(23)(5)

y' = 460

Using the point-slope form of a linear equation, we can write the equation of the tangent line:

y - y1 = m(x - x1)

where (x1, y1) is the given point (3, 529), and m is the slope (460).

Substituting the values, we get:

y - 529 = 460(x - 3)

y - 529 = 460x - 1380

y = 460x - 851

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Answer:

1) -5

2) 5

3) -4

4) 7

5) 3

Step-by-step explanation:

1) -20 divided by -4

2) -2 plus 7

3) 20 divided by 5

4) -2 plus 9

5) 20 minus 17

A parallelogram possesses rotational symmetry of order 2, but no line symmetry.

The rotational symmetry of a parallelogram:

Therefore, a parallelogram possesses rotational symmetry of order 2, but no line symmetry.

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Answer:

in picture ....

Step-by-step explanation:

The subject's heart rate is 100 beats per minute.

There are three main methods of calculating ECG rate. There is no specific best method, and preference varies between clinicians. However, certain methods may be better suited for rhythms such bradyarrhythmia's or tachyarrhythmias.

To calculate the heart rate from an ECG recorded on millimeter grid paper, you can use the following formula:

Heart rate (beats per minute) = (recording speed (mm/s) / distance between cycles (mm)) x 60 s/min

Using the given information, the calculation would be:

Heart rate (beats per minute) = (25 mm/s / 15 mm) x 60 s/min = 100 beats per minute

Therefore, the subject's heart rate is 100 beats per minute.

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The correct option is C. Randomization.What is randomization? Randomization is a process that randomly assigns subjects to either a control or an experimental group to reduce bias in scientific research.

Randomization can be done by using various methods such as random number tables, coin flip, and so on.The main objective of randomization is to avoid subjective biases, confounding variables, and statistical outliers in an experiment, to establish cause and effect relationships in a research study.

For instance, in a clinical trial to test the efficacy of a new drug on hypertension, randomization can be performed by dividing the participants into two groups randomly, one group receives the new drug (treatment group), while the other group receives a placebo (control group).The advantage of randomization is that it ensures that known and unknown confounding variables are distributed evenly between the two groups.

Thus, the chances of drawing incorrect conclusions from the research are minimized. It also increases the generalizability and reproducibility of the results obtained.

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Answer:

x=8

Step-by-step explanation:

Area of a rectangle=length×width

Area=104

Width=x

Length=5+x

104=x*(5+x)

104=5x+x^2

104-5x-x^2=0

x^2+5x-104=0

Can also be written as

-x^2-5x+104=0

Solve the quadratic equation using formula

−x2−5x+104=0

using the Quadratic Formula where

a = -1, b = -5, and c = 104

x=−b±√b2−4ac/2a

x=−(−5)±√(−5)2−4(−1)(104)/2(−1)

x=5±√25−(−416)/−2

x=5±√441/−2

The discriminant b^2−4ac>0

so, there are two real roots.

Simplify the Radical:

x=5±21/−2

x=-26/2 or 16/2

x=-13 or 8

The value of x can't be negative

So, x=8 is the answer

Answer:

it is 519020

Step-by-step explanation:

Answer:

3/20

Step-by-step explanation:

3 x 1/4 x 1/5 = 3/20

Answer:

£0.90

Step-by-step explanation:

Answer:

5(x+2)=10

Step-by-step explanation:

use the PEMDAS, solve first the one inside the parenthesis and then multiply the sum to 5

Answer:

x(x-2)=168

x=14

Step-by-step explanation:

Let the length of the rectangle be x.

width=(x-2)

x(x-2)=168

x^2-2x=168

x=14, x=-12 (rejected)

Hard work can boost your personal and professional growth. If we work hard, we deserve respect because you set an example for others.

Working hard will give you a sense of accomplishment, fulfillment, and self-satisfaction. Working hard can help you stay positive and confident.

1. Personal Workforce Development:

Work, by its very nature, offers challenges and opportunities for growth. It asks us to improve and grow, to become a better version of ourselves. The older we grow, the better our job and the greater the challenges.

2. Our work benefits society:

Our work benefits society. It serves others, enriches life and advances everyone. Whether it's packing groceries, delivering mail, analyzing inventory, treating cancer, or managing other employees, we can all view our work as an act of love for those we we serve.

3. Hard work is a role model for our children:

When we try to do our best every day, our children notice. One of the biggest traits I hope to pass on to my children is the importance of striving to do important things.

4.Work hard at work to work hard in life.

When we commit to hard work, we learn important life lessons: determination, focus, responsibility, problem solving, and self-control all come to mind. These lessons serve us in other areas (health, relationships, hobbies, etc.)

5.Work hard to get the most out of your time.

They will pass anyway. With every new day comes an important choice: either we fill it with the best things, or we let it slip away. There was no choice - time was running out anyway. Difficult work choices make the most of it.

6. The work itself is satisfying.

In my opinion, there is nothing more satisfying in life than lying down at night with tired legs and a tired body. Knowing that I've given my all for something important is a wonderful feeling and a sense of accomplishment in itself.

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Answer:

.6 gallons per minute

Step-by-step explanation:

3/5=.6

Answer:

y = -6

Step-by-step explanation:

y = mx +  b

-6 = -5(0) + b

b = -6

Answer:

4

Step-by-step explanation:

hope this helps and have a great day

Answer:

0.6cm

Step-by-step explanation:

25 : 1

1 : 0.04

15 : 0.6

There are 792 different ways the teams can be formed from a group of 12 people when selecting 5 people for each team.

To determine the number of different ways the teams can be formed, we can use the concept of combinations. In this case, we need to select 5 people out of a total of 12.

The number of ways to choose a team of 5 out of 12 people can be calculated using the formula for combinations, which is denoted as "nCr" or "C(n, r)".

The formula for combinations is:

nCr = n! / (r!(n - r)!)

Where:

n is the total number of people (12 in this case)

r is the number of people to be selected for the team (5 in this case)

! denotes the factorial function

Now let's calculate the number of different ways the teams can be formed:

12C5 = 12! / (5!(12 - 5)!)

= 12! / (5! * 7!)

= (12 * 11 * 10 * 9 * 8) / (5 * 4 * 3 * 2 * 1)

= 792

Therefore, there are 792 different ways the teams can be formed from a group of 12 people when selecting 5 people for each team.

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The perimeter of the octagon is (i). 11.2cm

Eight equal sides and eight equal angles make up a normal octagon. Each side is the same length, and each angle is the same size. The total interior and external angles is 1080° and 360°, respectively. The inner angle at each vertex of a regular octagon is 135°.

An octagon has 8 sides.

The perimeter of an octagon is the sum of all sides hence perimeter of a regular octagon is equal to 8 times its side.

The length of the base of the right-angle triangle formed is equal to half the length of each side of the octagon.

Given, the base of the right angle traingle=0.7.

So, the length of the side of the octagon = 2*0.7=1.4.

The perimeter of the octagon is equal to 8*1.4=11.2 cm.

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Answer:

Is this what you are looking for?

Answer:

31 is your answer.

I HOPE IT WILL HELP YOU.

Thank you.

^ - ^

Answer:

10

Step-by-step explanation:

Let (2, 7) = \((x_{1} ,y_{1} )\)    and (8, -1) = \((x_{2} ,y_{2} )\)

 = \(\sqrt{(8-2)^{2} + (-1 -7)^2}\)

= \(\sqrt{6^2 +(-8^2)}\)

= \(\sqrt{36 + 64}\)

= \(\sqrt{100}\)

= 10

The length of the segment with endpoints at (2, 7) and (8, -1) using distance formula is 10 units.

Distance formula is the the formula for calculating the length of a line segment given the coordinates of the endpoints. The formula is given as :

Given the endpoints \((x_1,y_1), (x_2, y_2)\)

d = \(\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)

Given in the question,

\((x_1,y_1) = (2,7)\\(x_2, y_2)=(8,-1)\)

\(d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\d= \sqrt{(8-2)^2+(-1-7)^2}\\\\d= \sqrt{(6)^2+(-8)^2}\\\\d = \sqrt{36+64} = \sqrt{100} = 10\)

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Answer:

its 5.

Step-by-step explanation:

Answer:

\(\displaystyle 1\frac{2}{5}=\frac{7}{5}\)

Step-by-step explanation:

\(\displaystyle a\frac{b}{c}=\frac{ac+b}{c}\\\\1\frac{2}{5}=\frac{(1)(5)+2}{5}=\frac{5+2}{5}=\frac{7}{5}\)

Based on the given options, option b (n = 15 and SS = 190 for both samples) is the least likely to reject the null hypothesis in a test with the independent-measures t statistic.

We need to take into account the sample size (n) and the sum of squares (SS) for both samples in order to determine which set of data is least likely to reject the null hypothesis in a test using the independent-measures t statistic.

As a general rule, bigger example sizes will more often than not give more dependable evaluations of populace boundaries, coming about in smaller certainty stretches and lower standard blunders. In a similar vein, values of the sum of squares that are higher reveal a greater degree of data variability, which can result in higher standard errors and estimates that are less precise.

Given the choices:

a. n = 30 and SS = 190 for both samples; b. n = 15 and SS = 190 for both samples; c. n = 30 and SS = 375 for both samples; d. n = 15 and SS = 375 for both samples. Comparing options a and b, we can see that both samples have the same sum of squares; however, option a has a larger sample size (n = 30) than option b does ( Subsequently, choice an is bound to dismiss the invalid speculation.

The sample sizes of option c and d are identical, but option d has a larger sum of squares (SS = 375) than option c (SS = 190). In this way, choice d is bound to dismiss the invalid speculation.

In a test using the independent-measures t statistic, therefore, option b (n = 15 and SS = 190 for both samples) has the lowest probability of rejecting the null hypothesis.

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Answer: B=0.9, C=1.8, A=5.3 I think.

B fits into C and A 2 times

Answer: How many pets does Alisha have at home?

Step-by-step explanation:

        A statistical question, put simply, is something based on facts and numbers. The only option here that is not an opinion is the first option, "How many pets does Alisha have at home?"

        Two of the other options have something to do with a bias or an opinion. This is stuff such as "your favorite" or "do you like." The last one has to do with a name, not a number.

Answer:

How many pets does Alisha have at home?

Step-by-step explanation:

question 1

Comedy Step-by-step explanation: