Recent activity by Xu Yin

Recent activity by Xu Yin

Does lasik fix astigmatism

answered Sep 10, 2024

1 answer 214k views

For a particular element, its absorption and emission spectra show the same discrete line patterns: a. Bohr's model b. Quantum mechanics c. Planck's theory d. Photoelectric effect

answered Aug 29, 2024

1 answer 229k views

What was the most unexpected effect of starvation seen in the Minnesota study?

answered Jul 17, 2024

2 answers 232k views

Opening snap with a diastolic rumble heard best at the 4th ICS midclavicular line. dx?

answered Jul 16, 2024

1 answer 203k views

What is 2 + 2? I thought it was 4 but I don't know. This is making people drop grades when they are caught cheating, I would love it if you made changes, or at least make it so people can't cheat. Please

answered Jul 13, 2024

2 answers 213k views

Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm year results. (If an answer is undefined, enter UNDEFINED. Round your answer

answered Jun 13, 2024

1 answer 108k views

Which symbol represents the dryer heat thermostat? a. 1 b. 2 c. 3 d. 4

answered Jun 8, 2024

1 answer 124k views

How does nonviolence bring about those realities? a) Nonviolence brings about those realities by... b) The impact of nonviolence is... c) It leads to... d) The role of nonviolence is...

asked Apr 21, 2024

1 answer 164k views

she is the first african american woman to be nominated to the us supreme court. also making her the first justice to be a former public defender. who is she?

asked Apr 11, 2024

1 answer 188k views

If v=xz-xy+yz, express v in cylindrical coordinates

asked Mar 11, 2024

1 answer 114k views

Why have the number of apes declined and the number of monkeys ﬂourished since the Miocene?

answered Feb 21, 2024

1 answer 198k views

Find the volume of the rectangular prism with a base of 4in and a height of 12in

answered Feb 17, 2024

2 answers 56.6k views

What procedure was performed on the patient? 1) Open posterior lumbar interbody fusion 2) Spinal decompression 3) Disc replacement surgery 4) Physical therapy

asked Feb 9, 2024

1 answer 3.0k views

A Sumer job pays $5 per hour b. After working 24 hours, do you have enough money to buy an MP3 player that costs $100? Explain your reasoning.

answered Feb 7, 2024

1 answer 23.0k views

HURRY PLEASEEE A cylinder has a volume of 400 feet. If the height of the cylinder is 25 feet, what is the radius of the cylinder? Use 3.14 for π and a round to the nearest hundredth. radius ≈ type your

answered Jan 13, 2024

2 answers 53.3k views

What is the value of the function at x=-2? y = -4 y = 0 y = 2 y = 3

answered Oct 13, 2023

2 answers 62.1k views

Why are gases poor conductors of sound?

answered Oct 4, 2023

2 answers 125k views

1) Find the area of a regular hexagon with an apothem of 10.4 cm and a side length of 12 cm. (round to the near A) 94 cm2 B) 187 cm2 c) 374 cm2 D) 749 cm2

answered Sep 20, 2023

2 answers 52.3k views

8 (2x-6) -3 ( 4-2x) + (-2x)

answered Sep 9, 2023

2 answers 230k views

. Solve the system of equations using the Elimination Method. X+3y - 2z=2 3x+2y+z=13 -2x+3y - 3z= -5

asked Jul 24, 2023

1 answer 201k views

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