Answers by Paulo Mattos
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Answers by Paulo Mattos

Answers by Paulo Mattos
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A substance, A2B, has the composition by mass of 60% A and 40% B. What is the composition of AB2 by mass?a)40% A, 60% Bb)50% A, 50% Bc)27% A, 73% Bd)33% A, 67% Be)none of these
answered Dec 15, 2023
6 votes
111k views
Please Help! What is 3,198.7 as a fraction
answered Mar 7, 2023
0 votes
60.7k views
Translate into an equation. The sum of seven and a number, x, is five.
answered Jan 28, 2023
8 votes
4.8k views
Absolute value of 4 is
answered Jan 12, 2023
4 votes
164k views
Y=-5x+30 7x+3y=42 1111
answered Nov 25, 2022
10 votes
84.4k views
Write a story about something you accomplished. Describe what you did to achieve success, and how you reached your goal. Were there obstacles you had to overcome? This is a tricky essay topic because sometimes
answered Nov 19, 2022
2 votes
174k views
Find the mode, median, mean, and range for each data set. Round the mean to two decimals places, where necessary.
answered Oct 28, 2022
0 votes
159k views
What theme is supported by this passage?
answered Mar 20, 2022
12 votes
67.5k views
1/3 (x -10) = -4 x = ?
answered Jan 19, 2022
3 votes
204k views
Which song would you describe as a powerful multicultural song?
answered Jan 18, 2022
2 votes
163k views
What is the solution set for −4x − 10 ≤ 2
answered Jan 17, 2022
4 votes
38.4k views
Yousef typed a 36-word paragraph in 23 minute. What is his typing speed, in words per minute?
answered Nov 26, 2021
3 votes
39.9k views
According to the Pacific Railroad Act (1862), what determined the amount of money paid to the Union Pacific and the Central Pacific Railroad companies? O the amount of land they were able to sell along
answered Oct 27, 2021
3 votes
57.5k views
The benevolent social planner practices Group of answer choices The benevolent social planner does not adhere to a particular style of economic analysis. Normative economics Positive economics A mix of
answered Oct 25, 2021
2 votes
36.5k views
___ vestido es bonito. A. esta B. ésta C. este D. esas
answered Aug 27, 2021
5 votes
204k views
what is the molarity of a HCI solution if 25.0 ml of 0.185 M Main is required to neutralize 0.0200 L of HCI?​
answered Jul 6, 2021
2 votes
103k views
Na'Ma has 3 ⅓ times as much money as her older sister. She spends two-fifths of her money to purchase a new pair of running shoes. Now, how many times as much money as her older sister does Na'Ma have?
answered May 30, 2021
3 votes
127k views
Maya's construction company builds brick houses. The number of bricks her crew installs varies directly with the number of hours they work. Define variables for the quantities that are changing in this
answered May 25, 2021
4 votes
185k views
Jack threw 20 darts at a dartboard. 30% of his darts hit the bullseye. How many of his darts DID NOT hit the bullseye?
answered May 17, 2021
1 vote
230k views
Las actividades que se realizan en las ciudades estan relacionadas con​
answered May 11, 2021
3 votes
214k views
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