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John needs 20grams of a 54% acid solution for his science project. His school's science lab has 30% solution and bottles of 60% solution. How much of each should John use?
answered
Jul 31, 2022
Mathematics
high-school
10
votes
161k
views
John needs 20grams of a 54% acid solution for his science project. His school's science lab has 30% solution and bottles of 60% solution. How much of each should John use?
answered
Jul 31, 2022
Mathematics
high-school
10
votes
161k
views
Calculate the state income tax owned on a 40,000 per year salary
answered
May 27, 2022
Mathematics
college
2
votes
204k
views
What is meant by inertia
answered
May 25, 2022
Mathematics
high-school
9
votes
164k
views
1. What is the overall reaction for photosynthesis?
answered
Apr 23, 2022
Biology
high-school
2
votes
109k
views
Find the area of the regular polygon. Round to the nearest tenth
answered
Apr 12, 2022
Mathematics
college
4
votes
93.6k
views
How many times was Julius Caesar stabbed
answered
Jun 15, 2021
English
high-school
4
votes
18.5k
views
La directora de la escuela ___ emocionada fill in th blank
answered
May 9, 2021
Spanish
high-school
3
votes
208k
views
Determine if the product CA is defined, state it’s dimensions not the product
answered
Feb 26, 2021
Mathematics
high-school
5
votes
110k
views
8. A cell with a diploid number of 24 undergoes meiosis, how many chromosomes are in each daughter cell after meiosis? A 48 B 24 C 12
answered
Jan 27, 2021
Biology
college
4
votes
111k
views
Consider the equation: -10x + 5y = -20 Re-write the equation in slope-intercept form
answered
Jan 11, 2021
Mathematics
high-school
2
votes
228k
views
The king of the Aztec Empire a frequently opposed the common Mesoamerican practice of human sacrifice. b mysteriously left his homeland in the Valley of Mexico in the tenth century. c claimed lineage with
answered
Dec 31, 2020
History
high-school
1
vote
100k
views
Here are the results of flipping a coin 50 times. According to this chart, what is the experimental probability for flipping a coin and its landing on tails? A. 1/20 B. 2/5 C. 3/5 D. 1/30
answered
Oct 26, 2020
Mathematics
middle-school
4
votes
110k
views
Our grandmothers often advise us to expose newborn babies to sunlight why do they say so
answered
Oct 12, 2020
Biology
middle-school
6
votes
157k
views
What is the price per kilogram of candy if you paid $2.25 for 1 1/4 kg?
answered
Aug 27, 2020
Mathematics
middle-school
1
vote
25.6k
views
The map of a walking trail is drawn on a coordinate grid with three points of interest. The trail starts at R(−1, 4) and goes to S(5, 4) and continues to T(5, −2). The total length of the walking trail
answered
Aug 14, 2020
Mathematics
college
4
votes
12.2k
views
Kojin works for a social media website that caters to senior adults and allows them to engage with their families over the Internet for a small subscription. Currently, the company has focused on retirement
answered
Jan 22, 2020
Business
high-school
3
votes
1.4k
views
A dress that normally cost $69.50 is on sale for 45% off what is the sales price of the dress
answered
Dec 1, 2019
Mathematics
college
2
votes
101k
views
In "Arrangement in Black and White," why does the woman cut herself off several times during her conversation with Walter Williams? She forgets what she intended to say. She is distracted by her attraction
answered
Nov 4, 2019
English
college
4
votes
65.5k
views
Succession is the process of ? in a community
answered
May 28, 2019
Biology
high-school
3
votes
63.3k
views
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