Questions by Macedo

Questions by Macedo

How long will a radioactive isotope whose half-life T is years take for its activity to reduce to 1/8 of its initial value? a) 3T b) 2T c) 4T d) T/2

asked Oct 6, 2024

1 answer

4 votes

138k views

Write a function Topic that accepts three arguments, U,D and Vt U,D and Vt are Numpy arey which the singular value decomposition of a matrix Xᵀ which is a centred data matrix. The NumPy array D is a full

asked Aug 17, 2024

1 answer

4 votes

123k views

Is the contrapositive of the following conditional true? If n>6, then n≤4.

asked Jun 17, 2024

1 answer

2 votes

39.0k views

Consider the set E = . We choose a point (X, Y) uniformly at random in E, and the joint PDF of X and Y is given by: f_XY(x, y) = { C, for (x, y) ∈ E, 0, otherwise } (a) Find the constant C. (b) Find the

asked May 6, 2024

1 answer

2 votes

28.7k views

How many times greater is 3 x 10^4 than 3 x 10^1

asked Jan 2, 2024

2 answers

0 votes

127k views

What is the slope of the points that go through (2,4) and (4, 8) please help

asked Oct 7, 2023

2 answers

2 votes

217k views

Can someone help me on this question?

asked Aug 11, 2023

1 answer

22 votes

115k views

Write 863.141 in expanded form.

asked Jun 2, 2023

1 answer

5 votes

40.8k views

From the excerpt from the time traveler's guide to Elizabethan England, what is the author's purpose

asked Oct 20, 2022

1 answer

25 votes

107k views

9x^2 +x = 3^4 solve exponential equation

asked Sep 9, 2022

1 answer

2 votes

82.6k views

Which of the following did the report from the presidential committee on information not conclude

asked Aug 20, 2022

1 answer

3 votes

184k views

The title of the story refers literally to The long, paved highway leading into Natchez A long path that leads through the country into Natchez The path the hunter follows through the woods A short, worn

asked Jun 25, 2022

1 answer

22 votes

166k views

Je ne joue sur la route c'est tre's dangereux

asked Jun 18, 2022

1 answer

3 votes

226k views

Aliza needs to run at a rate faster than 8.2 feet per second in order to exceed her fastest time in a race. After running for 15 minutes, her coach determines that she is running at an average rate of

asked May 26, 2022

2 answers

4 votes

47.8k views

What do you notice about the net charges of the balloon and the hair after electric charges moved between them?

asked Mar 25, 2022

1 answer

4 votes

98.8k views

Advise a friend who responds to conflict by AVOIDANCE on why it is not healthy while trying to sustain positive relationships.

asked Mar 18, 2022

1 answer

0 votes

188k views

How do you know what the solution is to a system of equations by graphing?

asked Mar 13, 2022

2 answers

19 votes

94.4k views

Give an example of a risk a teen might take. Explain how this behavior affects one or more body systems. Answer in paragraph form using 5-7 complete sentences. NO LINKS!!!!

asked Feb 28, 2022

2 answers

2 votes

37.2k views

Which of the following best summarizes the development of France’s relationship with the Continental army?

asked Nov 28, 2021

2 answers

4 votes

152k views

The soldiers voted for Jesus' robe. True False

asked Sep 15, 2021

2 answers

3 votes

230k views

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