Recent activity by Ruifeng

Recent activity by Ruifeng

Paired t-test is applicable when the observations in the two samples are: a. equal in numbers b. paired c. correlation d. all of above

answered Dec 29, 2024

1 answer 132k views

A crate is being pushed across a rough floor surface. If no force is applied to the crate, the crate will slow down and come to a stop. If the crate of mass 50 kg moving at speed 8 m/s comes to rest in

answered Oct 31, 2024

1 answer 164k views

Find the values of x and y degrees (X + Y) degrees 2x degrees (Y + 20) degrees (X + 60) degrees

answered Sep 23, 2024

1 answer 134k views

Negative feedback tends to stabilize a system? 1) True 2) False

asked Aug 6, 2024

1 answer 131k views

Susan writes 3 abc january 35 covered calls at $3.25. abc shares rise to $40 and susan is assigned. what are her total net proceeds from this strategy? a. $11,475 b. $12,975 c. $12,000 d. $10,500

asked Jul 26, 2024

1 answer 46.4k views

How does customer engagement contribute to the 'service level management' practice? 1. It captures information that metrics can be based on 2. It ensures the organization meets defined service levels 3.

answered Jun 24, 2024

1 answer 123k views

Alex has a box of chocolates which are all flavoured with either caramel or raspberry. The possible outcomes of Alex picking two chocolates at random are shown in the tree diagram below. If both chocolates

asked Jun 17, 2024

1 answer 131k views

1. Compare and contrast the various types of grasslands. 2. Identify the main mammals of the savanna. 3. Identify the main mammals of the temperate grassland. 4. Identify and describe some environmental

asked Jun 14, 2024

2 answers 350 views

Who identifies the island as part of a Coral Reef?

answered May 15, 2024

2 answers 72.0k views

Eric wants to wrap his mom's Christmas present. The box is 10 inches tall, 8 inches wide, and 6 inches long. How much paper will he need to cover the box? a) 320 square inches b) 560 square inches c) 400

answered May 15, 2024

1 answer 94.0k views

PLEASE HELP DUE TONIGHT

answered Apr 12, 2024

1 answer 137k views

How would the life of a resident of a polis, around 350 B.C.E., compare to the life of a cosmopolitan Greek of the year 250 B.C.E.? A) The cosmopolitan Greek had more political rights. B) The resident

answered Apr 6, 2024

2 answers 33.5k views

When using a Halligan, what other tool is used in conjunction with it? a. Bolt cutter b. Sledgehammer c. Pry bar d. Fire axe

answered Mar 28, 2024

1 answer 232k views

The disadvantage of invoking the detection algorithm for every request is: a) Overhead of the detection algorithm due to consumption of memory b) Excessive time consumed in the request to be allocated

asked Mar 27, 2024

1 answer 97.2k views

What were political impacts caused by the Persian war

asked Mar 2, 2024

1 answer 233k views

Financial Math Sem1 2. money market account Notes 1. Match the following types of accounts with the services they offer. checking account 3. CDs 4. regular savings account Target due: 12/14/23 60% D All

asked Jan 12, 2024

1 answer 143k views

34. What is Nick Caraway's last remark to Gatsby?

answered Oct 23, 2023

2 answers 225k views

Solve for d. d 3 + 23 = 28

answered Sep 7, 2023

1 answer 75.4k views

Endosymbiosis is considered a(n)... A. state. B. experiment. C. law. D. theory.

asked Jun 8, 2023

2 answers 52.0k views

How did slaves worship?

answered May 18, 2023

1 answer 213k views

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