"15. describe the three data fragmentation strategies. give some examples of each."

Answers

Answer 1
1. Horizontal fragmentation – a table is separated into groups of rows rationally and each fragment (group/sunset) comprises unique rows and it is kept at different node. All rows have the same attributes and the SELECT statement yields the contents of the fragments.
2. Vertical fragmentation – the table is distributed into rational groups of attributes (columns). Each fragment covers a unique columns and is stored at a dissimilar position. The content in the fragment is attained by using the “PROJECT” statement.
3. Mixed fragmentation –This approach is the mix of horizontal and vertical strategies. In other words, each row fragment may be a blend of groups of attributes.

Related Questions

Which of these is the greatest value: 8/3, 2.28, 10/12, 0.199

Answers

8/3 would be your answer, hoped I helped! 

8/3 is the greatest value among 8/3, 2.28, 10/12, and 0.199.

The greatest value to be determined among 8/3, 2.28, 10/12, and 0.199.

What is the fraction?

Fraction is defined as the number of compositions that constitute the Whole.

Here,
= 8/3, 2.28, 10/12, and 0.199.
= 2.66, 2.28 , 0.62 and 0.199
The greatest among the 2.66, 2.28, 0.62, and 0.199 is 2.66

Thus, 8/3 is the greatest value among 8/3, 2.28, 10/12, and 0.199.

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How many minutes does it take to put 42 gallons of water in the tub at a rate of 5 1/4 gallons per minute?

Answers

Divide 42 gallons by 5 1/4 gallons per minute to get minutes.

5 1/4 = 21/4

42/(21/4) = (42/1)/(21/4) = 42/1 * 4/21 = 8

Answer: 8 minutes

A line has slope 2/3 and y–intercept −2. Which answer is the equation of the line? A) y=2x+2/3
B)y=−2x+2/3
C)y=2/3x−2
D)y=2/3x+2

Answers

Insert the given slope (2/3) and y-intercept (-2) into the slope-intercept form of the equation of a str. line:

y = mx + b            =>   y = (2/3)x - 2 (answer)

The equation of the line is [tex]\bold{y = \frac{2}{3}x-2}[/tex]

The correct answer is an option (C)

What is slope of the line?

"It is the change in y coordinate with respect to the change in x coordinate."

What s y-intercept?

"It is the point at which the line intersects the Y-axis."

What is slope-intercept form of line?

"y = mx + c, where m is the slope and cis the y-intercept."

For given question,

A line has slope 2/3 and y–intercept -2.

So, m = [tex]\frac{2}{3}[/tex] and c = -2

Substitute these value in the slope-intercept form of line,

[tex]\Rightarrow y = mx + c\\\\\Rightarrow y = \frac{2}{3}x+(-2)\\\\ \Rightarrow y = \frac{2}{3}x-2[/tex]

Therefore, the equation of the line is [tex]\bold{y = \frac{2}{3}x-2}[/tex]

The correct answer is an option (C)

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What is the common ratio of this geometric sequence? 5, 10, 20, 40, 80.
A. -40
B. 0.5
C. 2
D. 40

Answers

Note that multip. 10 by 2 results in 20; mult. 20 by 2 results in 40, and so on.  So the common ratio is 2.

Answer:

its -2

please brainleist

Which lists the steps in the correct order to find the median of this data set? 24, 16, 23, 30, 18, 29 1. Put the numbers in order. 2. Cross off high/low pairs. 3. Add the leftover numbers. 4. Divide the sum by 2. 1. Put the numbers in order. 2. Cross of high/low pairs. 1. Cross off high/low pairs. 2. Add the leftover numbers. 3. Divide the sum by 2. 1. Cross of high/low pairs.

Answers

To find the median of an even-numbered data set, arrange the numbers in order, identify the two middle numbers, add them, and divide by two. The median for the given data set is 23.5.

To find the median of the data set (24, 16, 23, 30, 18, 29), follow these steps:

Put the numbers in order from smallest to largest.If the data set has an even number of values (like this one with 6 numbers), identify the two middle numbers.Add the two middle numbers together.Divide the sum by 2 to find the median.

Applying these steps to the provided data set:

Order: 16, 18, 23, 24, 29, 30Middle numbers: 23 and 24Sum of middle numbers: 23 + 24 = 47Median: 47 / 2 = 23.5

The correct median of this data set is 23.5.

If $3000 is deposited in an account that pays 5% interest, what is the difference in the amount after 4 years between the amount earned if the principal is compounded annually and the amount earned calculated using simple interest?


$30.72

$41.12

$46.52

$53.76

Answers

If the interest is compounded annually, then
A = P*(1+r/n)^(n*t)
A = 3000*(1+0.05/1)^(1*4)
A = 3646.51875
which rounds to 3646.52
Call this value x, so x = 3646.52
-----------------------------------
If the interest is compounded using simple interest, then
A = P*(1+r*t)
A = 3000*(1+0.05*4)
A = 3600
Call this value y, so y = 3600
-----------------------------------
Now subtract x and y
x-y = 3646.52-3600 = 46.52
-----------------------------------
Therefore the answer is choice C) $46.52

round 0.785 to the nearest hundredth.

Answers

Answer: 0.79
5 will always round up.
it is 78.5 because you have to  think of the hundredth

how can place value help me multiply a two digit number by a multiple of ten?

Answers

when multiplying by 10, they learn a short cut that can help multiply 2-digit numbers by ... introductory video for multiplying 2 digit number by multiple of .... To let me see how well each student understood this skill, the students will complete ... Big Idea: In this fun engaging lesson, students reviewplace value concepts

Dan paid 34.30 for a sweater. The price included a 40% markup.

Answers

Multiply 34.30 by 1.4
actual price = paid price + discounted price
discounted price = paid price * 40%
so, actual price = 34.30 + 34.30*0.4

What is the value of eight in 485,002,000

Answers

THE VALUE IS 80,000,000
The value of 8 in 485,002,000 would be 80,000,000.

Write the following comparison as a ratio reduced to lowest terms.

153 inches to 12 feet

HELP!

Answers

Answer:

17:16

Step-by-step explanation:

12 ft = 144 inches, so this is

153 in : 144 in

= 9·17 : 9·16

= 17 : 16

a chemist is using 364 millimeters of a solution of acid and water. if 16.8% of the solution is acid, how many millimeters of acid are there?

Answers

61.152 milliliters is the answer.

find the x in the parallelogram there’s an x in the left corner and 73 degrees in the right bottom corner

Answers

Any two consecutive angles of a parallelogram are same side interior angles of parallel lines cut by a transversal, so they are supplementary.

Supplementary angles are two angles whose measures add up to 180 deg.

x + 73 = 180

x = 107

A certain number is 5 less than another number. If their sum is 11 find the two numbers

Answers

The numbers are 3 & 8.
3 + 8 = 11
8 - 3 = 5

The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

Answers

A triangle has three angles, and their measures add up to 180 degrees.
An isosceles triangle has at least 2 congruent sides, and the angles opposite the congruent sides are congruent.

This triangle has one angle of 40 deg, and two angles that measure the same; call the measure of each base angle x.

x + x + 40 = 180

2x + 40 = 180

2x = 140

x = 70

The base angles measure 70 deg.

The measure of base angle is [tex]$$\boxed{{{70}^ \circ }} if the vertex angle is {40^ \circ }$$[/tex] .

Further explanation:

Given:

Vertex angle of the isosceles triangle is [tex]{40^ \circ }[/tex] .

Explanation:

The triangle three sided close Figure.

There are three type of triangles.

1. Equilateral triangle

2. Isosceles triangle

3. Scalene triangle

Equilateral triangle has all sides equal and all the angles are equal.

Isosceles triangle has 2 sides equal to each other and the two base angles are equal to each other.

Scalene triangle has all sides unequal and the angles are also not equal to each other.

The sum of all the angles of the triangle is [tex]{180^ \circ }[/tex].

Consider the base angle as y.

The value of y can be obtained as follows,

[tex]\begin{aligned}y+y+40&=180\\2y+40&=180\\2y&=180-40\\2y&=140\\y&=\frac{{140}}{2}\\y&={70^ \circ }\\\end{aligned}[/tex]

The measure of base angle is [tex]$$\boxed{{{70}^ \circ}} if the vertex angle is {40^ \circ}$$[/tex].

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Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Triangles

Keywords: vertex angle, isosceles triangle, base angle, perpendicular, altitudes, point, triangle, circumcenter, bisectors, perpendicular bisectors, angles, angle bisectors, median, intersection, incenter, right angle triangle, equilateral triangle, obtuse, acute.

solve for n
15=0.5n whats is n=

Answers

we know 15=0.5n
n=15/0.5
n=30

Ava picks a number greater than 3 tens 6 ones. The number is less than 52. It has more than 6 ones. What could the number be?

Answers

47 is one i hoped i helped

the length of a rectangle 15 inch longer than twice it's width. if the perimeter is 78 inches. find the length of the retangle

Answers

Perimeter of a rectangle formula:
P = 2L + 2W
Length equals:
L = 2W + 15

Substitutute 2W + 15 for L
78 = 2(2(15 + W) + 2W
Multiply the inner parentheses
78 = 2(30 + 2W) + 2W
Multiply the parentheses
78 = 60 + 4W + 2W
Add like terms
78 = 60 + 6W
Subtract 60 from both sides
18 = 6W
Divide both sides by 6
3 = W
Length equals:
2W + 15 = L
Substitute 3 for W
2(3) + 15 =L
Multiply the parentheses
6 + 15 = L
Add like terms
21 = L

A body is moving along a straight line with a velocity which varies according to the equation v = 9 t2 + 2t, where v is in feet per second and t is in seconds. Find the expression for the distance as a function of time. A. 3t3 + 2t2 + C B. 3t3 + t2 + C C. 20t + C D. 18t + C

Answers

v(t) = 9t² + 2t
To find a function for distance as a function of time:

Using Calculus:
Take the integral of V(t)
This means find the anti-derivative (if v(t) is the derivative of d(t), what must d(t) be?)
d (t) = (1/3)*9* t ²⁺¹ + (1/2) * 2 * t¹⁺¹ 
d(t) = 3t³ + t² + C

Answer is B) 3t³ + t² + C.

Why did we add C at the end? The velocity function doesn't tell us anything about our initial distance, so we add C to account for wherever we started at t=0. This is also known as our Constant of Integration

Find the product of 20×9×5. Tell which property you used.

Answers

It's the commutative property, which tells us the order in which you do this multiplication doesn't matter.

Please use  *  to indicate multiplication, not "x."

20*9*5 = 180*5 = 900

1. The top 1/8 of the runners advance to the finals for the track and field competition. What is the decimal value of the number? Show your work.

Answers

1/8=0.125
  
      0.125
    ______
8 I  1.000
     -   8
    ______
         20
     -   16
   _______
           40
     -     40
   _______
             0

Answer:

Hence the number in decimal is:

0.125

Step-by-step explanation:

We are given that:

The top 1/8 of the runners advance to the finals for the track and field competition.

We are asked to find the decimal value of the number i.e. we have to represent 1/8 in the decimal value.

on dividing the number 1 ( which is in numerator) by 8 ( which is in denominator) we obtain:

[tex]\dfrac{1}{8}=0.125[/tex]

Hence the number in decimal is:

0.125

Which of the following illustrates the truth value of the given conditional statement? If ice is hot, then rain is wet.
F T → T
T T → T
T F → F
F F → T

Answers

If ice is hot(False) then rain is wet(true) = FT --> T

Answer:  The correct option is (A)  F   T  →  T.

Step-by-step explanation:  We are given to select the correct illustration of the truth value of the following conditional statement :

"If ice is hot, then rain is wet".

Let p : Ice is hot. This is a false statement.

And

q : rain is wet. This statement is true.

We know that

The statement "if p then q" is written as p ⇒ q.

Since p is false and q is true, so p ⇒ q will be true.

That is,

p      q      p ⇒ q

F      T         T

Thus, the correct illustration is   F    T   →   T.

Option (A) is CORRECT.

One-fourth equals the quotient of a number and 8. Find the number.

Answers

Quotient=x

1/4=x/8

x=2

A quotient is a quantity produced by the division of two numbers. Hence, the quotient number is [tex]2[/tex].

What is quotient ?

A quotient is a quantity produced by the division of two numbers.

Let us assume that the quotient is [tex]x[/tex]

So, by using the given information it is of the form

[tex]\frac{1}{4}=\frac{x}{8}\\x=\frac{8}{4}\\x=2[/tex]

Hence, the quotient number is [tex]2[/tex].

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Why are percents used to compare ratios when the wholes are different

Answers

A percentage can be considered a fraction with a denominator of 100. 25% is 25/100, which can be simplified to 1/4. Similarly, 20% is 20/100, which simplifies to 1/5. Thus, 1/4 is comparable to 1/5 by comparing 25% to 20%.

The percent is used to compare the ratios when the wholes are different because it gives simple calculation.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

Given that;

The percent's are used to compare ratios when the wholes are different.

Now,

Let two ratios are,

⇒ 19/25 and 17/20

So, For compare we can find the percent of that ratios and simply by comparison we get the large and small ratio as;

⇒ 19/25 = 0.76 = 76%

⇒ 17/20 = 0.85 = 85%

Thus, The percent of ratio 17/20 is more than the percent of ratio 19/25.

So, The percent's are used to compare ratios when the wholes are different because it gives simple calculation and not to make denominator same.

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Write 7 over 8 as an equivalent fraction with 56 as a denominator

Answers

7/8 = ?/56
7 times 7 = 49
8 times 7 =56

The answer is 49/56
7/8= 49/56
8 x 7=56 for the denominator 
7 x 7 =49 for the numerator 

Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of \$10$10dollar sign, 10 from each of the subscribers to her website. Last month, the website had 100100100 subscribers. This month, 303030 new members joined the website, and 101010 members cancelled their subscription. How much money will Kiersten’s online business earn this month?

Answers

Answer:

1200

Step-by-step explanation:

Khan Academy

ur welcome

dab if you got it correct

*or you can rate me and give a thanks*

;)

Kiersten’s will earn 1200 dollars from his online business  this month.

Given,

Subscription fees received by Kiersten for a month by each subscriber is $10.

Since the number of members is 100 last month, so total earning of Kiersten will be,

[tex]100\times 10=1000[/tex] dollars.

According to the question, this month, 30 new members joined the website, and 10 members cancelled their subscription.

So the number of members increased will be 20.

Hence the kiersten have total 120 members this month, so the total earning of kiersten this month will be,

[tex]120\times 10=1200[/tex] dollars.

Thus kiersten earn 1200 dollars from his online business.

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What is the distance between these two points on a number line?


–93 and 114
A.–207
B.–21
C.21
D.207

Answers

114 - (-93) = 207

answer
D.207
Well, subtract the two numbers. 114 - (-93) [because it says difference.] 114 - (-93) is 207. So, D is your answer.

Hope this helped! ☺♥

Which angles are corresponding angles?

Answers

The answer to this question is angles SRU and VUW
Hope this helps

Answer:

<SRU and <VUW

Step-by-step explanation:

Corresponding angles occur when two lines are cut by a third line (transverse line).

In the problem you can see two lines (QRS) and (TUV) cutting by (PRUW).

Two angles are corresponding if one is on the outside (outside the two lines) and the other is on the inside (between the two lines).

In this graphic some of the corresponding angles are <SRP and <VUP, <PRQ and <RUT, <WUV and <URS.

Is there a number that is exactly 3 more than its cube?

Answers

Yes, there are three of them.  Two of them are complex.

They are the solutions to (x-x^3=3).

The exact value for the real solution is:
(sqrt(239)/(2*3^(3/2))-3/2)^(1/3)+1/(3*(sqrt(239)/(2*3^(3/2))-3/2)^(1/3))

Approximately, it is x=-1.67169988...

If you are expecting integers (which was not specified), then there is none.

For a given number X, its cube is written as X^3.

Here we want to see if we can find a number that is exactly 3 more than its cube, this means that:

[tex]X = X^3 + 3[/tex]

We will see that yes, there exists a number with this property.

Then we can try to solve this to find the number with that given property.

We can rewrite it as:

[tex]-X^3 + X - 3 = 0[/tex]

Now we can solve this for X, as the question asks about existence and not for the exact number, we can graph this the above function:

[tex]f(X) = -X^3 + X - 3[/tex]

And if it crosses the x-axis, then at some point we have:

[tex]f(X) = 0[/tex]

This would imply that there exists a real number that is 3 more than its cube.

The graph can be seen below, and we can see that it intersects the X-axis, then yes, there is a number that is exactly 3 more than its cube.

And by watching the graph, we can see that the number is:

[tex]X = -1.672[/tex]

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You deposit ​$18,000 into a savings account at a bank that has a rate of 66​% compounded monthly. Find the amount of money in the account after 44 years. 

Answers

Equation you are going to use is [tex]A = P(1+ \frac{r}{n}) ^{nt} [/tex] where A is the amount earned, P is the initial/principal amount, R is the rate, N is the number of periods the amount is compounded, and t is the time in years.

P = 18000, R = 66% or .66, N = monthly so 12, T = 44 years.

So plugging it we get [tex]A = 18000( 1 + \frac{.66}{12})^{44*12} [/tex].

Type that into your calculator or an excel sheet for your answer. My calculator  (a TI-36X Pro) gives me 3.40856195[tex] _{E} [/tex]16 which isn't  a very practical answer for money calculations. 
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