Recent activity by Xuyanjun

Recent activity by Xuyanjun

A scuba diver descended to a depth of -22 meters (or 22 meters below sea level). The ocean floor is at a depth of -71 meters. How much farther would she need to descend to reach the ocean floor?

asked Dec 22, 2023

1 answer 5.2k views

What were two active tactics African slaves used to fight back?

answered Dec 3, 2023

1 answer 163k views

1. What is the apparatus used to measure production in plants ?

asked Nov 22, 2023

2 answers 205k views

Merck company has downsized by firing 22,386 employees because of prolonged recessionary conditions . This represents 18% of its global workforce. What was the total global workforce before the layoffs

asked Aug 20, 2023

1 answer 93.1k views

A popular science demonstration is to take several liquids that will not mix together and pour them in a tall glass cylinder so as to stack them one on top of the other. A teacher places vinegar, motor

asked May 21, 2023

1 answer 23.3k views

At 6 o'clock in the morning the temperature was -5°C. By 4 o'clock in the afternoon, the temperature was 16°C. 1. What was the change in temperature?

answered May 8, 2023

2 answers 154k views

Find the equation of the line through the point (10,-6) that is perpendicular to the line with equation -11x-18y=-2070

answered Apr 6, 2023

1 answer 84.4k views

Can somebody please help with exercise D

answered Mar 6, 2023

2 answers 17.1k views

Which statement best describes literary nonfiction ' A. There is no imagery B. There is no dialogue C. The setting is an imaginary people D. The characters are real people

asked Jan 5, 2023

1 answer 17.2k views

What is x more than 5?

answered Nov 24, 2022

2 answers 134k views

If you are preparing to tow a small trailer

asked Nov 21, 2022

1 answer 217k views

((6x^4 y^5 z^(-2))/(3xy^3 ))^2

asked Nov 14, 2022

1 answer 151k views

Cooling down will cause you to get stiff and sore. A. True B. False

asked Oct 18, 2022

2 answers 196k views

Which is most likely to limit the how long a modern submarine can remain submerged?

answered Sep 18, 2022

1 answer 35.6k views

In ΔJKL, the measure of ∠L=90°, LJ = 2.8 feet, and JK = 9.3 feet. Find the measure of ∠J to the nearest tenth of a degree.

answered Sep 16, 2022

1 answer 223k views

Which of the following explains why sub-surface mining is more dangerous than surface mining? Sub-surface miners deal with loud noises in addition to surface mining hazards such as toxic air conditions,

answered Aug 13, 2022

2 answers 187k views

Which has more momentum? * 2 points a ball of mass 2 kg moving at 30 m/s a ball of mass 3 kg moving at 20 m/s' a ball of mass 4 kg moving at 30 m/s a ball of mass 5 kg moving at 20m/s

asked Aug 10, 2022

2 answers 127k views

Which recursive formula describes the sequence 3,15, -75, -375 1875, ... where n represents the number of terms in the pattern and f(1) = 3? a. f(n) = 5f(n-1) b. f(n) = -5f(n-1) c. f(n) = (-1)^n *5f(n-1)

asked Jul 23, 2022

1 answer 72.4k views

Which terms means device that converts one voltage to another ?

answered Jul 16, 2022

1 answer 152k views

Trade routes from China to West Asia and Europe were known as A) Silk Roads B) False

answered Jul 10, 2022

2 answers 124k views

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