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Suppose relation R(A,B) has the tuples: A B 1 2 3 4 5 6 and the relation S(B,C,D) has tuples: B C D 2 4 6 4 6 8 4 7 9 Compute the theta-join of R and S with the condition R.A < S.C ANDR.B < SD. Then, identify from the list below one of the tuples in R 1×R·A < S.C AND R.Ba) (3,4,4,6,8) b) (3,4,5,7,9) c) (1,2,4,4,6) d) (1,2,2,6,8)
answered
Dec 20, 2024
Computers and Technology
high-school
1
answer
54.2k
views
At a regency dinner party, what did "turning the table" mean?.
answered
Dec 15, 2024
Social Studies
high-school
1
answer
211k
views
Who negotiated with Germany during World War I? Woodrow Wilson Arthur Zimmerman Pancho Villa
answered
Sep 12, 2024
History
college
1
answer
90.1k
views
A mirage is caused by hot air near the ground. How does it affect light rays? A. Reflecting light rays upward. B. Refracting light rays upward. C. Reflecting light rays downward. D. Refracting light rays
answered
Aug 25, 2024
Physics
high-school
1
answer
98.3k
views
A pair of point charges, q = +8.50 μC and q′= -5.50 μC , are moving as shown in the figure (Figure 1) with speeds v= 9.50×104 m/sm/s and v′= 7.00×104 m/sm/s . The charges are at the locations
asked
Jul 12, 2024
Physics
high-school
1
answer
232k
views
What is the value of k? 2k+9=7−3k Responses k=−2 k equals negative 2 k=−0.4 k equals negative 0.4 k = 2 k, = 2 k = 3.2
answered
Jul 1, 2024
Mathematics
high-school
1
answer
92.0k
views
The distribution of weights of pumpkins from a harvest is approximately normal with a mean of 8.3 pounds and a standard deviation of 1.68 pounds. Find the value of the interquartile range (IQR) for the
answered
Jun 13, 2024
Mathematics
college
1
answer
15.0k
views
(100 POINTS!) (URGENT!!!) The table above gives values of a twice-differentiable function and its first derivative for selected values of . Let be the function defined by . (a) What is the value of ? ease
answered
Jun 12, 2024
Mathematics
college
1
answer
51.6k
views
What is Criminal mistreatment in the second degree (RCW 9A.42.030)?
asked
Jun 7, 2024
Law
college
1
answer
194k
views
The number of degrees of freedom for a test of independence is equal to the sample size minus one. a) True b) False
asked
May 27, 2024
Mathematics
high-school
1
answer
118k
views
The reactor initially contained 1 mole of ethane and 0.5 moles each of ethylene and hydrogen. Calculate the contents of each reactor after a certain reaction. A) Ethane: 0 moles, Ethylene: 1 mole, Hydrogen:
answered
May 23, 2024
Chemistry
high-school
1
answer
138k
views
A recent poll of 2200 randomly selected 18-25-year-olds revealed that 255 currently use marijuana or hashish. According to a publication, 12.5 % of 18-25-year-olds were current users of marijuana or hashish
asked
May 22, 2024
Mathematics
high-school
1
answer
151k
views
How does Robby solve Keith's problem? Answer:
asked
May 1, 2024
English
college
2
answers
230k
views
What receives neural signals from brain and peripheral nervous system and funnels the signals to the Pituitary Gland?
asked
Apr 13, 2024
Biology
high-school
1
answer
152k
views
The respiratory system can be a limiting factor in maximal exercise performance. Researchers studied the effect of two breathing frequencies on both performance times and several physiological parameters
asked
Mar 28, 2024
Mathematics
high-school
1
answer
235k
views
Make use of following information to answer the following questions: (CLO\#4) (MUST SHOW CALCULATION) (15) C=100+0.75Y D;I=100AED;G=50AED,TAX(T)= 20 AED a. Calculate equilibrium income Y in AED. (5) b.
answered
Feb 16, 2024
Business
high-school
1
answer
154k
views
What is an equation of the line that passes through the points (2, -5)(2,−5) and (5, -2)(5,−2)?
asked
Sep 24, 2023
Mathematics
college
2
answers
228k
views
Simplify the expression
asked
Sep 23, 2023
Mathematics
high-school
2
answers
46.6k
views
Using personification Please help
answered
Sep 15, 2023
English
college
1
answer
117k
views
Ali and Keesha found a sale in a sporting goods store. Ali spent $33 on 2 pair of shorts and 3 packages of socks. Keesha spent $27 on 1 pair of shorts and 5 packages of socks. How much does one of each
asked
Sep 14, 2023
Mathematics
college
1
answer
111k
views
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