Questions by Rafael Zeffa

Questions by Rafael Zeffa

Luis le dice a su amiga: "Yo tengo ahora el triple de edad que tú tenías, cuando yo tenía la edad que tú tienes ahora". Si entre los dos suman 50 años, ¿cuántos tiene cada uno?

asked Nov 10, 2021

1 answer

0 votes

118k views

A reaction in which the entropy of the system increases can be spontaneous only if it is exothermic.a. Trueb. False

asked Sep 17, 2021

1 answer

2 votes

17.8k views

G(-4) = anyone know the answer to this

asked Jul 24, 2021

1 answer

4 votes

127k views

In your opinion, what type of business risk poses the greatest threat to a company's overall success?

asked Mar 6, 2021

1 answer

4 votes

25.7k views

A rectangular page is to contain 24 square inches of printed material. The margins at the top and at the bottom are each 1.5 inches. The margins at the left and at the right are each 1 inch. What dimensions

asked Feb 20, 2021

1 answer

3 votes

29.8k views

Which group did the colonies organize to fight against Great Britain

asked Jun 4, 2020

2 answers

3 votes

205k views

A crate feels a 277 n normal force as it sits on the ground. what is its mass?

asked May 1, 2020

1 answer

2 votes

63.6k views

The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form. If anyone can also list the steps it would really be appreciated :) I'm very lost on this

asked Mar 15, 2020

1 answer

1 vote

52.3k views

How to solve 4 1/2 - 9/10?

asked Sep 25, 2019

1 answer

3 votes

32.2k views

Which guinea pig parent(s) in Punnett Square B is homozygous? Which is heterozygous? Explain how you know.

asked Sep 1, 2019

1 answer

4 votes

229k views

Please help! I need an immediate correct answer please see attachment thanks so much

asked Apr 14, 2019

1 answer

2 votes

197k views

What is Ricardo’s opportunity cost?

asked Mar 2, 2019

2 answers

0 votes

195k views

∆ABC is transformed with the center of dilation at the origin. Pre-image: ∆ABC with vertices A(2, 5), B(6, 10), C(9, −1) Image: ∆A'B'C' with vertices A' (0.5, 1.25), B' (1.5, 2.5), C' (2.25, −0.25) What

asked Jan 17, 2019

1 answer

5 votes

118k views

In a paragraph, explain how Chaucer’s Canterbury Tales can help a historian better understand the Middle Ages. Support your claim with reasons and evidence.

asked Dec 26, 2018

2 answers

5 votes

118k views

Explain the different preparations of cocaine and how they are used.

asked Jul 20, 2018

1 answer

5 votes

223k views

I really need the answer please.

asked Apr 4, 2018

2 answers

1 vote

26.2k views

Grant’s policy to win the war was one of?

asked Oct 1, 2017

1 answer

1 vote

72.9k views

How many countries were added to the United Nations from about 1946 to 1969? 120 51 70 40

asked Mar 11, 2017

2 answers

4 votes

172k views

How many grams of NH3 can be produced from 2.27mol of N2 and excess H2.

asked Oct 28, 2016

1 answer

2 votes

108k views

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