Questions by Sjoerd Perfors

Questions by Sjoerd Perfors

Which is a class of nonsilicate minerals? A. calcite B. carbonate C. clay D. quartz

asked Oct 26, 2023

1 answer

5 votes

230k views

What is the value of "a" in the following quadratic? (Make sure the equation is in standard form: ax² + bx+c=0) x^2 + 28 = -11x

asked Sep 17, 2023

1 answer

6 votes

202k views

Find the value of x. 2x - 3 + 5

asked Dec 17, 2022

1 answer

3 votes

28.5k views

Which property altered during a chemical change is not altered during a physical change?

asked Dec 7, 2022

2 answers

1 vote

224k views

V=S^3 S=20 please help me lol

asked Nov 25, 2022

1 answer

0 votes

230k views

Which syllable in the word 'happening' is often pronounced with a schwa sound in the sentence above?

asked Oct 21, 2022

1 answer

14 votes

211k views

There were 203 tickets sold for a wrestling match. For activity card holders the price was $1.25 and for non-card holders the price was $2.00. The total amount of money collected was $310. How many of

asked Mar 23, 2022

1 answer

3 votes

33.9k views

PLEASE ANSWER MY QUESTION!!! How does Marmee provoke a decision from her daughters by asking them if they will help a needy family, instead of simply telling them to do so. -"Little Woman"

asked Mar 3, 2022

1 answer

21 votes

114k views

Sarah is making bread. She measures 0.6 kg of hot water into a bowl. The water needs to be at a temperature of exactly 42°C in order for the yeast to function properly, but right now it is at 40°C. What

asked Dec 5, 2021

1 answer

5 votes

39.9k views

Is 0.31443549 rational

asked Sep 21, 2021

1 answer

1 vote

148k views

Help 20 points Look at SS

asked Aug 17, 2021

1 answer

1 vote

171k views

Which reaction is an acid-base neutralization reaction? A. Mg + 2HCl → MgCl2 + H2 B. HCl + NaOH → NaCl2 + H2O C. SiCl4 → Si2 + 2Cl2 D. N2 + 3H2 → 2NH3

asked Jul 9, 2021

1 answer

5 votes

183k views

During monsoons, darjeeling in india receives an average of about 80 cm of rain in jus one

asked Jul 7, 2021

1 answer

2 votes

75.7k views

Seven baseball players are trying out for a team and the coach wants to see who can throw the baseball the farthest. The distance each player threw the baseball is recorded in the list below. 74 yards,

asked Jun 28, 2021

1 answer

4 votes

167k views

What is the force needed to accelerate a 1.5ton car from 0 to 72 km/h in 5 seconds

asked Feb 23, 2021

1 answer

3 votes

202k views

1. An auto repair shop charges as follows. Inspecting the vehicle costs $75. If no work needs to be done, there is no further charge. Otherwise, the charge is $75 per hour for labour plus the cost of parts,

asked Feb 3, 2021

1 answer

1 vote

32.3k views

Based on the graph how many district real number solutions does the equation x^3 -3x^2 +4 = 0

asked Sep 17, 2020

1 answer

2 votes

153k views

A 52 kg woman cheats on her diet and eats a 540 kcal jelly donut for breakfast. (a) How many joules of energy are the equivalent of one jelly doughnut? (b) How many stairs must the woman climb to perform

asked Sep 14, 2020

1 answer

0 votes

148k views

Find the value of x. A. 28 B. 15 C. 40 D. 20

asked Oct 16, 2019

1 answer

0 votes

179k views

1. 1. Which of the following is NOT one of the reasons for the creation of the modern country of Israel? religious connection anti-Semitism atheism Which of the following is NOT one of the reasons for

asked May 7, 2019

2 answers

2 votes

5.9k views

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