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An iron ore sample contains plus other impurities. A 896-g sample of impure iron ore is heated with excess carbon, producing 182 g of pure iron by the following reaction: What is the mass percent of FeO2
answered
May 21, 2021
Chemistry
college
5
votes
135k
views
The cost to write an ad in a news paper is $10 plus $0.25 per word. Write an inequality that can be used to find the maximum amount of words Marianne can put in her ad if the most she can spend is $15.
answered
May 3, 2021
Mathematics
middle-school
4
votes
186k
views
Write the word sentence as an inequality. a number y added to 5.2 is less than 23 The inequality is: ______?
answered
Mar 1, 2021
Mathematics
middle-school
5
votes
139k
views
Lynne is digging a hole in which she plans to plant a tree in her yard. The last soil she dug was damp and contained lots of dead bugs and just a few rock fragments. From which soil layer was this soil
answered
Feb 14, 2021
Social Studies
high-school
4
votes
4.7k
views
Given triangle DOG is congruent to triangle CAT, which reason could you use to prove that angle G is congruent to angle T?
answered
Jan 30, 2021
Mathematics
high-school
3
votes
28.6k
views
Find the equivalent exponential expression (3^5)^4
answered
Oct 13, 2020
Mathematics
middle-school
0
votes
41.9k
views
Moving and supporting your body weight on land is challenging. Which feature helped arthropods move efficiently in land? a. Exoskeleton made of chitin b. Open circulatory system c. Nervous system with
answered
Jul 12, 2020
Biology
college
3
votes
86.3k
views
75 POINTS!! Can someone help me? (Ignore my work, I'm dumb )
answered
Sep 19, 2019
Mathematics
middle-school
2
votes
92.2k
views
Where can earthquakes occur (A.) Where two plates move apart. (B.) At any of the above locations. (C.) Where two plates collide. (D.) Where two plates slide against each other.
answered
Sep 8, 2019
Biology
middle-school
5
votes
69.9k
views
Could someone check my answer please
answered
Jul 6, 2019
Mathematics
middle-school
1
vote
155k
views
How many waffles can be made from 1 dozen eggs, assuming you have enough of all other ingredients?given: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles?
answered
Apr 1, 2019
Mathematics
high-school
6
votes
9.3k
views
there are 72 marbles in a box. 4/8 of them are red and the rest are blue. How many blue marbles are there.
answered
Feb 27, 2019
Mathematics
middle-school
5
votes
55.9k
views
What was the immediate cause of us entry into world war ii??
answered
Jan 2, 2019
History
high-school
2
votes
45.9k
views
What can be correctly described as inexorable besides the "ravages of history"? A. a European capital B. the aging process C. the process of healing D. a Roman coliseum
answered
Jan 29, 2018
English
high-school
2
votes
100k
views
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