Questions by Nacho B

Questions by Nacho B

Most dermatologists recommend using sunscreens that have a Sun Protection Factor (SPF) of at least 30. One of the authors wanted to find out whether the SPF of sunscreens used by students at her school

asked Dec 5, 2021

1 answer

5 votes

77.3k views

Solve each system by substitution x – y = -4 2x + y = 4

asked Oct 22, 2021

1 answer

4 votes

4.5k views

There are 27 students in a class. 13 are juniors and 14 are seniors. What is the probability of choosing a student that is a senior and then choosing a different student and it being a junior? *answer

asked Oct 1, 2021

1 answer

1 vote

11.2k views

Which of the distributions is right skewed? 1 2 3 4 5 6 7 8 9 10 11 202122 23 24 25 26 27 28 29 30 31 0 1 2 3 4 5 6 7 8 9 101112 303132 33 34 35 36 37 38 39 40 41

asked May 17, 2021

2 answers

3 votes

151k views

This is for I-Ready what is the main difference between the authors' conclusions about the teens who work?

asked Mar 26, 2021

2 answers

5 votes

231k views

Please help :( Exercice 1: complétez : A) -_______! -Bonjour Madame ! -Tu _____ Marc ? -Oui, Marc Ronsard! B) -Salut, je _______ Paul, et _____? -_______,je suis Robert Florant ! Exercice 2 : Complétez

asked Jan 7, 2021

2 answers

3 votes

78.5k views

what is the bet force on the box shown below? a. 10 N to the left b. 10 N to the right c. 60 N to the left d. 50 N to the right

asked Jan 2, 2021

1 answer

2 votes

133k views

Which type of seismic waves result from interference between s waves and p waves

asked Sep 23, 2020

2 answers

4 votes

67.0k views

How do I these plz help

asked May 15, 2020

1 answer

1 vote

71.2k views

What is a Faust Legend?

asked Mar 17, 2020

1 answer

1 vote

220k views

two trains going in opposite directions leave from the same station on parallel tracks. One train travels at 50 mph and the other at 60 mph. How long will it take for the trains to be able to be 440 miles

asked Dec 15, 2019

1 answer

4 votes

141k views

Write a 500-word report describing some of the efforts of Americans as they supported World War II from the home front. This should include a paragraph about Rosie the Riveter and the government's efforts

asked Nov 2, 2019

1 answer

3 votes

30.3k views

What natural resource gave texas a large economic boom?

asked Aug 7, 2019

1 answer

2 votes

211k views

How do you identify the zero reference position for calculating mechanical potential energy? What is the most common zero reference position for system that has gravitational potential energy?

asked Jul 8, 2019

1 answer

4 votes

85.6k views

What is 1/2 of 9? EVERYONE THAT ANSWER THIS QUESTION GETS A WALMART GIFT CARD FOR $5. BUT COME ON, YOU CAN DO ALOT WITH $5.. :p

asked Nov 28, 2018

2 answers

0 votes

77.1k views

Four cousins were born at two-year intervals. The sum of their ages is 36. How old are they?

asked Nov 25, 2018

2 answers

1 vote

117k views

Which is a stepping stone toward future education

asked Nov 12, 2018

1 answer

2 votes

190k views

What was the name given to communist rebel fighters in South Vietnam? A. Northern Regulators B. Freedom Fighters C. Communist Fighters D. Vietcong

asked Oct 23, 2018

2 answers

3 votes

116k views

A point is located in a polar coordinate system by the coordinates r = 2.8 m and θ = 18°. find the x- and y-coordinates of this point, assuming that the two coordinate systems have the same origin.

asked Aug 13, 2018

1 answer

3 votes

32.8k views

Calculate the amount of gravitational potential energy at the top of each hill and at the bottom of each valley. Be sure to convert your distance measurements to meters. Use an approximated value of 58.

asked Aug 7, 2018

2 answers

0 votes

112k views

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