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Chemistry 102

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Intro Stats / AP Statistics

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Physics 101 Mechanics

Physics 102 Electricity and Magnetism

Physics 103

Prealgebra

Precalculus

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Leslie D.

Physics 103

2 hours ago

Consider the example given on Slide 14 of lecture note file Lec 23. What magnitude upward directed force is needed to be applied to the right end of the rod to hold the rod in static equilibrium so that it does not fall under the influence of gravity?

Robert M.

Chemistry 102

2 hours ago

how many # of (+) ions does sodium and oxide have?

Brunna T.

Physics 103

2 hours ago

A tree loses water to the air through the transpiration process at a rate of 110 g / h. This water is replaced by an upward flow of sap through the stem vessels. If the stem contains 200 vessels, each 100 ?m in diameter, what is the speed of rise of the sap in each vessel? Consider the specific gravity of the sap 1040 kg / m3, that the whole process takes place in the vessels (that is, the entrance area is the same as the exit area) and remember to convert the units!

Shoma A.

Intro Stats / AP Statistics

2 hours ago

"Introduction to Linear Regression Analysis"

Hooda R.

Biology

2 hours ago

Two plants with white flowers, each from true-breeding strains, were crossed. All the plants had red flowers. When these plants were intercrossed, they produced an consisting of 177 plants with red flowers and 142 with white flowers.

Shoma A.

Intro Stats / AP Statistics

2 hours ago

Show that if X?X is in correlation form, ? is the diagonal matrix of eigenvalues of X?X, and T is the corresponding matrix of eigenvectors, then the variance inflation factors are the main diagonal elements of T(?^?1)T?.

Ali G.

Biology

3 hours ago

Explain in detail, " What are housekeeping genes"?

Jane M.

Macroeconomics

3 hours ago

suppose that consumer spending initially rises by $5 billion for every 1 percent rise in household wealth and that investment spending initially rises by $20 billion for every 1 percentage point fall in the real interest rate

Xy X.

Algebra

3 hours ago

Asap

Connor E.

Calculus 1 / AB

4 hours ago

Find all points.

Moahmed A.

Physics 101 Mechanics

5 hours ago

A golf ball of mass 0.045 kg is hit off the tee at a speed of 45 m/s. The golf club was in contact with the ball for 3.5 x10-3 s. Find the average force exerted on the ball by the golf club.

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

what is the answer?

Huang Y.

Macroeconomics

5 hours ago

Use the data in LAWSCH85 for this exercise. (i) Using the same model as in Problem 4 in Chapter3 state and test the null hypothesis that the rank of law schools has no ceteris paribus effect on median starting salary. (ii) Are features of the incoming class of students- namely, LAST and GPA individually or jointly significant for explaining salary? (Be sure to account for missing data on LAST and GPA (iii) Test whether the size of the entering class (clsize) or the size of the faculty (faculty) needs to be added to this equation; carry out a single test. (Be careful to account for missing data on clsize and faculty.) (iv) What factors might influence the rank of the law school that are not included in the salary regression?

Abdul-Aziz A.

Physics 101 Mechanics

5 hours ago

Why this answer is not correct?

Abdulaziz A.

Calculus 1 / AB

5 hours ago

What is the anwer?

Huang Y.

Microeconomics

5 hours ago

Use the data in LAWSCH85 for this exercise. (i) Using the same model as in Problem 4 in Chapter state and test the null hypothesis that the rank of law schools has no ceteris paribus effect on median starting salary. (ii) Are features of the incoming class of students- namely, and individually or jointly significant for explaining salary? (Be sure to account for missing data on and (iii) Test whether the size of the entering class (clsize) or the size of the faculty (faculty) needs to be added to this equation; carry out a single test. (Be careful to account for missing data on clsize and faculty.) (iv) What factors might influence the rank of the law school that are not included in the salary regression? ????stata???????stata??

Moahmed A.

Physics 101 Mechanics

5 hours ago

check the photo please

Moahmed A.

Physics 101 Mechanics

5 hours ago

check the photo please

Rexelar K.

Intro Stats / AP Statistics

6 hours ago

) The time taken to complete a particular type of a job is distributed approximately normally with mean 1.8 and standard deviation of 0.1hours. (i) Given that ‘’normal-time’’ work ends at 6pm and a job is started at 4.00pm, determine the probability that the job will need overtime. (3Marks) (ii) Calculate the estimated completion time (to the nearest minute) that should be set so that there is a 90% chance that the job is completed on time

Nima S.

Chemistry 101

13 hours ago

Calculate ?H for the reaction: 2 NH3(g) + 1/2 O2(g) ? N2H4(l) + H2O(l) Given the following data: 2 NH3(g) + 3 N2O(g) ? 4 N2(g) + 3 H2O(l) ?H = ?1010. kJ N2O(g) + 3 H2(g) ? N2H4(l) + H2O(l) ?H = ?317 kJ H2(g) + 1/2 O2(g) ? 1 H2O(l) ?H = ?286 kJ N2H4(l) + O2(g) ? N2(g) + 2 H2O(l) ?H = ?623 kJ

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