Questions by Pfmaggi

Questions by Pfmaggi

How do negative signs work in fractions? are -(4/6), -4/6, and 4/-6 all the same? does it matter whether the negative sign is in the numerator or denominator? and also what is the opposite of -(-3/8)?

asked Oct 25, 2024

1 answer

2 votes

156k views

True or False: A system contains internal energy; it does not contain heat or work

asked Jun 27, 2024

1 answer

0 votes

104k views

A theory is an organized set of principles that __ observations and __ events. Select one: a. questions, surveys b. replicates; controls c. organizes; predicts d. randomly samples; randomly assigns

asked Jun 4, 2024

1 answer

0 votes

14.7k views

Suppose that an investor uses the following mean-variance utility function: U(E(Rp), portfolio_variance)=E(Rp)-0,5*A*portfolio_variance Dr Activitus Riskusson with a risk aversion coefficient of 7 currently

asked Apr 3, 2024

1 answer

5 votes

207k views

Compare and contrast the terms climate and weather.

asked Mar 10, 2024

1 answer

0 votes

109k views

A cylindrical water tank which has diameter of 2 m and a height of 15 m is quarter full farmer Stoffel opens the plug in the base of the tank so that the water can flow into the trough from which his cattle

asked Feb 25, 2024

1 answer

5 votes

225k views

Which is greater 4 4/10 or 32/10

asked Feb 13, 2024

2 answers

1 vote

88.5k views

A boiler raises the temperature of 20m³ water from 35°C to steam at 175°C. The carnot engine is 40% efficient. b) Determine the total heat energy (in kJ) that must be supplied to the boiler to generate

asked Jan 25, 2024

1 answer

2 votes

185k views

An isosceles triangle has an area of 143 and base 11. Find the base angle

asked Apr 15, 2023

1 answer

13 votes

81.9k views

Hi everyone! Im doing a science fair project on the pulse and different tests surrounding it and I need a fun name! Any suggestions? Thanks :)

asked Mar 26, 2023

1 answer

0 votes

60.4k views

Can someone help me with this... basically you have to match each one.

asked Oct 25, 2022

2 answers

20 votes

175k views

Can someone help me with this... basically you have to match each one.

asked Oct 25, 2022

2 answers

20 votes

175k views

Can someone help me with this... basically you have to match each one.

asked Oct 25, 2022

2 answers

20 votes

175k views

!!!!!Please help !!!!!!

asked Sep 20, 2022

2 answers

7 votes

49.3k views

During _____________ exercise, your muscles maintain the same tension throughout the exercise.

asked Aug 26, 2022

1 answer

5 votes

223k views

Write an equivalent unit rate of eating 4 hot dogs in 1/3 of a minute 4 hot dogs per minute 6 hot dogs per minutes 8 hot dogs per minute 12 hot dogs per minute

asked Jun 26, 2022

2 answers

4 votes

84.9k views

What is a number increased by 7 multiplied by 4?

asked Mar 23, 2022

1 answer

4 votes

191k views

How are ionic bonds formed? Multiple choice question. A) loss of electrons by atoms B) sharing of electrons between atoms C) electrostatic forces between ions D) gain of electrons by atoms

asked Mar 19, 2022

2 answers

5 votes

92.0k views

Shannon won $200 dollars playing Bingo last week. This week she won $450. What is the percent of change in her winnings? 55.5% increase 125% decrease 55.5% decrease 125% increase

asked Jan 27, 2022

1 answer

1 vote

79.2k views

Carbohydrates are used by the body for________________

asked Dec 22, 2021

2 answers

3 votes

204k views

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