Questions by Lucas Lopes

Questions by Lucas Lopes

A study found that 7 out of 10 participates could curl their tongue. If there are 200 total, how many of them are expected to be able to curl their tongue?

asked May 18, 2023

2 answers

12 votes

217k views

(urgent please help!!!!)in computing the mean of 8 numbers, a student mistakenly used 17 instead of 25 as one of the numbers and obtained 20 as the mean. find the correct mean.

asked Oct 20, 2022

2 answers

18 votes

28.4k views

How does Wiesel's choice of genre prove beneficial in the excerpt?

asked Aug 21, 2022

1 answer

5 votes

43.6k views

Please explain what the quote means I don’t know much English I will not disgrace my religion, my people or myself by becoming a tool to enslave those who are fighting for their own justice, freedom and

asked Jul 1, 2022

1 answer

4 votes

17.9k views

3(4x+1)=15? X= What is the solution?

asked Jun 16, 2022

1 answer

5 votes

18.9k views

Which of the following statements best characterizes South Africa's economy immediately following the end of apartheid? A. It depended on the export of cash crops like rubber and coffee. B. It had limited

asked Jun 6, 2022

2 answers

14 votes

11.9k views

Which ordered pair is a solution to the inequality?

asked Apr 22, 2022

1 answer

9 votes

53.5k views

Robert changes £600 into euros

asked Jan 11, 2022

1 answer

0 votes

160k views

Emma buys produce for her dad’s French fry restaurant. She bought 55 bags of potatoes. There were 175 potatoes in each bag. How many potatoes did Emma buy? Susan solved the problem and said, “Emma purchased

asked Dec 24, 2021

1 answer

3 votes

79.8k views

Given the following geometric sequence, find the common ratio. {0.1, -0.9, 8.1, ...}

asked Jul 14, 2021

1 answer

3 votes

40.1k views

PLEASE HELP ASAP Why did the public's opinion change about the use of DDT? a. Several plants and animals were added to the endangered species list. b. A biologist published a book that opened the public's

asked Jul 9, 2021

1 answer

2 votes

129k views

4. Calculate the final concentration if water is added to 1.5 L of a 12 M NaOH solution to make 3.0 L of a diluted NaOH solution. Your answer

asked May 16, 2021

1 answer

0 votes

47.3k views

What is the concentration of MgSO4 in a solution prepared by dissolving 30g MgSO4 in 500ml distilled water. Express concentration in (i)ppm (ii) %w/v (iii) %w/w Assume the solution density is 1.15g/ml.

asked Feb 10, 2021

1 answer

0 votes

91.4k views

Can someone please help???!!

asked Jan 18, 2021

1 answer

5 votes

197k views

What was the point of the President Richard Nixon's speech "The Great Silent Majority"

asked Jul 16, 2020

1 answer

4 votes

163k views

Allison needs 18 liters of 5% saline solution . She has a 1% solution available. How many liters of the 1% solution and how many liters of the 10%solution should she mid to make the 5% solution

asked Jul 5, 2020

1 answer

2 votes

150k views

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