Answers by Jochem
Register

Answers by Jochem

Answers by Jochem
Filter
What is the concentration of phosphate ions in a 2.5 M aqueous solution of phosphoric acid if the pH of the solution is 0.87 at 25 ºC?Ka1 = 7.5×10–3, Ka2 = 6.2×10–8, and Ka3 = 4.2×10–13.
answered Jun 15, 2022
3 votes
147k views
F(x) = 4x2 + 5x - 3 g(x) = 4x2 – 3x2 + 5 Find (f +g)(x).
answered Mar 27, 2022
6 votes
91.4k views
Which of the following sentences is punctuated correctly? A. Many people, who like to go hiking have spent a weekend roaming Yellowstone Park. B. Many people, who like to go hiking, have spent a weekend
answered Jan 9, 2022
5 votes
223k views
Mike has spent $600 purchasing and repairing an old fishing boat, which he expects to sell for $800. Mike discovers, that, in addition to the $600 he has already spent, he needs to make an additional repair,
answered Jan 1, 2022
4 votes
37.3k views
CLUES • I'm a 2-digit even number. • The sum of my digits is 11. • If you reverse my digits I would be 27 less than I am. Who am I?
answered Dec 5, 2021
1 vote
157k views
Define the term, advertisement. Look at the advertisements below. Which communicates most to you? Why? Advertisement 1: A silver pickup truck parked in the middle of an African plain next to an elephant.
answered Jul 20, 2021
4 votes
125k views
An appliance repairman charges $35 for a house call and $30 per hour. The cost of a house call and repair job came to $125. Course 3, Lesson 2-3
answered Jul 7, 2021
7 votes
207k views
Which are the two main parts that make up a chromosome? A) DNA and protein B) DNA and RNA C) RNA and phosphate D) sugar and phosphate
answered Mar 1, 2021
6 votes
221k views
The line with m=1/2 and b=3
answered Feb 27, 2021
5 votes
176k views
Graph y=2x -7 ......
answered Feb 27, 2021
4 votes
92.8k views
Fischer Inc. provides the following information for the year: Actual variable overhead cost per unit of cost-allocation base $186 Budgeted variable overhead cost per unit of cost-allocation base $190 Actual
answered Feb 10, 2021
4 votes
120k views
For safety reasons, 3 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the 3 systems detects theft with a probability of 0.86 independently
answered Dec 18, 2020
0 votes
53.4k views
Diego teaches third grade and has heard that one of his students, Farrah, is coming to his class next year. She’s supposedly a big troublemaker who likes to talk back to teachers, so Diego is not surprised
answered Aug 20, 2020
3 votes
168k views
S2 Summer Holiday Homework 21. Which of the following equations are linear equations in two unknowns? I. xy + 2y=3 1. x-2y = y III. 3x + 2y = 5 . A. I and II only B. I and III only C. II and III only D.
answered May 26, 2020
7 votes
210k views
A total of 34 dogs and cats participated in the pet store’s adoption event. The number of dogs that were adopted was 7 more than twice the number of cats. If a system of equations is written and graphed
answered Feb 9, 2020
6 votes
210k views
In Martinique, there are so many bananas that: A. there is no longer place to grow other crops. B. people's skin has a light yellow tinge. C. there is an unruly monkey problem. D. Martinique started a
answered Dec 4, 2019
3 votes
150k views
What part of the novel contains the revealed secrets and ties up all the loose ends?
answered Jul 18, 2019
1 vote
50.8k views
Please help me w/ this geometry question. image attached.
answered May 7, 2019
4 votes
136k views
Can someone help with #28
answered Apr 12, 2019
1 vote
133k views
Lucía _________ a esos gatos. cuidó cuidaste cuidé cuidaron
answered Oct 29, 2018
1 vote
195k views
Page:
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers