Recent activity by Ralph Zhang

Recent activity by Ralph Zhang

Find the first 10 samples (manual \& code) of the impulse response of the causal system y[n]=x[n]+0.5y[n−1] What type of system is it?

asked Oct 15, 2024

1 answer 78.6k views

What is the purpose of the matrix in matrix-assisted? 1) To enhance the sensitivity of the analyte 2) To improve the resolution of the analyte 3) To stabilize the analyte 4) To ionize the analyte

answered Sep 11, 2024

1 answer 104k views

Angie is a teenage, living at home with her parents and two brothers. Even though she wants to venture out more on her own, her parents will not allow it, and she obeys their wishes. Her family represents

answered Sep 11, 2024

1 answer 213k views

When you use DISM to apply an answer file to an image, the: a. Image size increases b. Image size decreases c. Image remains the same d. Image becomes corrupted

answered Aug 16, 2024

1 answer 101k views

As the salt KNO₃ dissolves in methanol, the number x(t) of grams of the salt in the solution after t seconds satisfies the differential equation: dx/dt = 0.8 times -0.004 times 2 If x = 50 when t = 0.

asked Aug 8, 2024

1 answer 116k views

A researcher claims that the mean of the salaries of elementary school teachers is greater than the mean of the salaries of secondary school teachers in a large school district. The mean of the salaries

asked Jul 11, 2024

1 answer 109k views

Write the formula for the conjugate acid of each of the following bases. a. NH3 b. C6H5NH2 c. HSO4 d. CO32

asked May 16, 2024

1 answer 217k views

Which statement is true about the difference between calcium carbonate and calcium oxide? A. Calcium oxide has the same physical properties and the same chemical properties. B. Calcium oxide has the same

asked May 7, 2024

1 answer 169k views

Tell how many terms the expression has (5•3)÷v

asked Apr 26, 2024

2 answers 127k views

The self-esteem of a coach should be based on a. what a competitor does b. the decisions made by officials c. living up to his or her own realistic standards d. winning and losing

answered Apr 8, 2024

1 answer 60.3k views

mean weight for nimlar boats was changed trom 149 ib to 175 ib Complete parts a and b below. a. Assume that a similar boat is losded weh 60 passengees, and astume that the weights of people are normally

answered Apr 7, 2024

1 answer 158k views

Prompt: Write a formal persuasive e-mail to a community leader to address a social concern. What is the topic of the e-mail? O What is the purpose of the e-mail? 0

answered Mar 19, 2024

1 answer 9.0k views

Name the degree of the polynomial 5.1x² -4x +25 A. Quadratic B. Cubic C. Linear D. Quartic

answered Feb 16, 2024

1 answer 166k views

Carpal tunnel syndrome, tendinitis, and lower back. Pain are common examples of.

answered Jan 30, 2024

2 answers 205k views

the density of solid w w is 19.3 g/cm3. 19.3 g / cm 3 . how many atoms are present per cubic centimeter (cm3) ( cm 3 ) of w?

asked Jan 21, 2024

1 answer 25.9k views

What was the Peace of Augsburg

answered Jan 13, 2024

2 answers 73.8k views

Can someone please help me with this, i’m a little stuck

asked Dec 16, 2023

1 answer 159k views

Identify the perpendicular lines in the diagram bellow. select all that apply.

asked Dec 13, 2023

1 answer 72.5k views

My whole engineering class just got yelled at for screaming Queer

asked Nov 26, 2023

2 answers 47.8k views

I will drop a picture

asked Sep 24, 2023

1 answer 158k views

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