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Which of these equations is balanced? 1. 4Sb + 3O2 → Sb4O6 2. H3 AsO4 → As2O5 + H2O 3. SiO2 + HF → SiF4 + H2O 4. CO2 + NH3 → CO(NH2)2 + H2O
answered
Jul 23, 2021
Chemistry
high-school
5
votes
85.8k
views
How did the Maya use their calendars? A. to predict tides B. to plan religious festivals C. to develop writing systems D. to govern the empire
answered
May 28, 2021
History
high-school
4
votes
152k
views
What is x^2-11x-5=0 Solve in a quadratic formula, and the answer has to have the use of integers or fractions. No DECIMALS. I need this fast!!!
answered
May 27, 2021
Mathematics
middle-school
4
votes
165k
views
An orchard owner wants to plant 64 cherry tree seedlings and 96 peach tree seedlings in rows. Each row is to have the same number of each type of sealing. What is the greatest number of rows the owner
answered
Apr 17, 2021
Mathematics
middle-school
0
votes
154k
views
Jaida has $200 to spend on flowers for a school celebration. She decides that the only flowers that she wants to buy are roses and carnations. Roses cost $1.45 each and carnations cost $0.65 each. Jaida
answered
Apr 13, 2021
Mathematics
high-school
2
votes
28.0k
views
The most difficult task facing cities with war industries was
answered
Feb 26, 2021
Social Studies
high-school
3
votes
34.0k
views
Lisa has collected data To find That the number of pages per book on a book shelf has normal distribution. What is the probability that a randomly selected book has fewer than 153 pages of the mean is
answered
Feb 21, 2021
Mathematics
high-school
0
votes
90.9k
views
2. 5 − 1/2 x = y m= _______ b=_________
answered
Jan 10, 2021
Mathematics
high-school
2
votes
68.5k
views
What information may be obtained from a ResultSetMetaData object?(TCOs 1–6) What information may be obtained from a ResultSetMetaData object? Number of columns in the result set Database URL and product
answered
Nov 23, 2020
Computers and Technology
college
5
votes
72.5k
views
You have $106,000 to invest in a portfolio containing Stock X and Stock Y. Your goal is to create a portfolio that has an expected return of 16 percent. Stock X has an expected return of 13 percent and
answered
Oct 30, 2020
Business
college
5
votes
195k
views
Solve 2x>7 please thanks
answered
Oct 26, 2020
Mathematics
middle-school
4
votes
152k
views
A spaceship moves farther and farther away from Earth. What happens to the gravitational force between the spaceship and Earth? A. It increases. B. It decreases. C. It remains the same.
answered
Sep 19, 2020
Biology
middle-school
1
vote
39.7k
views
What is the typical sequence for language development in infants? Select one: a. cooing, babbling, understanding single words, verbalizing single words b. cooing, babbling, verbalizing single words, understanding
answered
Jul 16, 2020
English
high-school
2
votes
206k
views
Why do people need relationship ?
answered
Jun 14, 2020
SAT
middle-school
2
votes
74.4k
views
Find the value of x that makes m | n.
answered
May 11, 2020
Mathematics
middle-school
3
votes
195k
views
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