Recent activity by Zichen Ma

Recent activity by Zichen Ma

In order to feel refreshed and eager to face the workday, it's important to? a) Skip meals b) Stay up late c) Get sufficient sleep d) Avoid breaks

asked Dec 14, 2024

1 answer 215k views

True/False? at its earliest stages, a logistic growth curve closely resembles an exponential growth curve.

asked Aug 28, 2024

1 answer 141k views

The mean, median, and mode for 27, 31, 27, 35, 35, 25, 28, 35, 33, 24

answered Jul 21, 2024

1 answer 124k views

Which age category of the U.S. population has the highest percentage of people in poverty? a. seniors over age sixty-five d. middle-aged people c. children d. people in their thirties

answered Jun 25, 2024

1 answer 132k views

X∼N(300,6400),P(X>k)=0.9346 a. k>350 b. k<350 c. k>250 d. k<250

answered May 12, 2024

1 answer 216k views

Given the equation 2x = 10y = 20, what is the value of x in terms of y?

answered May 8, 2024

1 answer 198k views

The environmentalist spoke to the audience about the advantages of lab-grown meat, but her words appeared to go in one ear and out the other. What is the main topic of the environmentalist's speech? 1)

asked May 6, 2024

1 answer 234k views

Compare the changes in Russia, Japan, Spain, and Holland. How did religion, politics, and the economy change those societies during this time? (Minimum 350 words)

asked Mar 24, 2024

1 answer 52.7k views

F'(x) = xsin²x - 1/x is the derivative of a function f. How many critical numbers does f have on the open interval (0, 2л)? 3 1 4 5

answered Mar 3, 2024

1 answer 112k views

A ball is thrown straight upward. What is the velocity of the ball when it returns to the thrower's hand? a) Equal to the initial velocity b) Zero c) Greater than the initial velocity d) Cannot be determined

asked Feb 23, 2024

1 answer 170k views

Provide the steps and calculations involved in determining the Fourier series representation for a square wave signal. Include any relevant formulas and coefficients.

asked Jan 3, 2024

1 answer 158k views

I need help PLEASE HELP

asked Nov 20, 2023

1 answer 185k views

Porfa es para mañana en la mañana

asked Nov 8, 2023

1 answer 40.9k views

in 1883, several civil rights cases came before the supreme court that were related to freedom of speech and the ku klux klan. land ownership for sout

answered Nov 8, 2023

1 answer 234k views

I start at (3,2). You move down 1 unit and left 3 units. Where do u end

answered Aug 2, 2023

1 answer 213k views

The diagram is an example of which of the following.. a) an alkyne b) an alkane c) an aldehyde d) an alkene

asked May 9, 2023

2 answers 155k views

7. Why was the court case involving Johann Peter Zenger, publisher of The New York Weekly Journal, important?

answered Apr 20, 2023

2 answers 20.4k views

What is another way of saying: Pablo y yo somos de Colombia. ______ somos de Colombia. 1 Nosotros 2 Ustedes 3 Ellas 4 Vosotros

answered Mar 13, 2023

2 answers 191k views

If 260 is decreased by 65%, what is the new amount?

asked Jan 23, 2023

1 answer 123k views

Find x if the distance between points A and B is 13 and point B is located in the second quadrant. A= (5, -1) B = (x, 4)

answered Jan 16, 2023

2 answers 202k views

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