Answers by Piotr Wittchen
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Answers by Piotr Wittchen

Answers by Piotr Wittchen
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Divide: (2n3+4n−9)÷(n+2).
answered Apr 30, 2022
1 vote
185k views
In a class of 25 students, 20 have a brother and 8 have a sister. There are 3 students who do not have any siblings. What is the probability that a student who has a sister also has a brother?
answered Jan 26, 2022
4 votes
165k views
30 POINTS!!! HELP ME PLZZ I NEED HELP WITH THIS!!!
answered Aug 16, 2021
5 votes
60.9k views
Which nation started a prohibition of Christian pilgrimage to Jerusalem? A. The beduins B. Seljuk Turks C. The pope D. The king
answered Jul 16, 2021
2 votes
122k views
How is gravity affected when the distance between objects decreases?
answered Jun 20, 2021
2 votes
43.9k views
NaOH + HCl → NaCl + H2O What mass of water forms when 2.75 × 10–4 mol NaOH reacts completely?
answered May 19, 2021
4 votes
158k views
Books diaries and manuscripts are written records that are valuable to historians True False
answered May 18, 2021
1 vote
73.7k views
10. What does the underlined phrase in the following excerpt reveal about President Reagan's attitude toward the Berlin Wall? Yet it is here in Berlin where the wall emerges most clearly; here, cutting
answered May 12, 2021
3 votes
125k views
What did Henry VIII do to anger the catholic church
answered May 4, 2021
0 votes
79.1k views
A moving object has 20 Joules of potential energy and has a mass of 10 kilograms. What is the formula used to velocity? How fast is the object moving in meters per second?
answered Mar 25, 2021
0 votes
131k views
A circle touches the touches the parallel lines 3x-4y=7 and 3x-4y+43= and has its centre on the line 2x-3y+13=0. find the equation.​
answered Feb 23, 2021
6 votes
173k views
Which compound inequality is represented by the graph​
answered Feb 21, 2021
3 votes
85.0k views
During beta emission, a neutron decays into a proton, anti-neutrino and electron or beta particle. The electron, beta particle, and anti-neutrino are ejected from the nucleus. The force responsible for
answered Feb 11, 2021
2 votes
119k views
Hey can anyone pls help me out in dis !
answered Jan 12, 2021
5 votes
121k views
Kim can invite no more than 45 people to a birthday party 17 people will be family members how many more people can she invite
answered Oct 22, 2020
5 votes
227k views
A student estimates that it takes 2 hours to read 25 pages. At this rate, how many hours will she need to read 425 pages? Write a proportion that represents this situation. Then, solve it.
answered Sep 26, 2020
3 votes
143k views
Employers of workers exposed to falling six feet or more from an unprotected side or edge are required by osha to provide at least one of these safety systems except:
answered Sep 12, 2020
2 votes
75.9k views
Two of the corresponding angles and the included sides of two triangles are congruent. Which statement must be true regarding the triangles? A. The triangles are equilateral. B. The triangles are isosceles.
answered Mar 2, 2020
4 votes
8.6k views
pasar la aspiradora hoy tú: tu compañero/a: Question 2 with 2 blanksponer la televisión tú: tu compañero/a: Question 3 with 2 blankscompartir la comida tú: tu compañero/a: Question 4 with 2 blankshacer
answered Feb 6, 2020
1 vote
223k views
The presence of a glycocalyx contributes to bacteria's ability to cause disease. a. True b. False
answered Oct 27, 2019
3 votes
216k views
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