Answers by Johel Alvarez
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Answers by Johel Alvarez

Answers by Johel Alvarez
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An alloy of copper and zinc which contains 5 grams of zinc. If 15 grams of zinc are added to this alloy, a new alloy is obtained in which the copper content has been reduced by 30% from the original. Find
answered Jul 17, 2022
3 votes
109k views
Please Help if you are fluent in spanish (Espanol) !!
answered Jul 8, 2022
3 votes
203k views
If a=1 and b=2 what is the value of a²+b²?​
answered Jun 20, 2022
7 votes
167k views
What are the shock waves caused by an earthquake that travel through the ground called? A Electromagnetic waves B Seismic waves C Transverse waves D Infared waves
answered Mar 3, 2022
4 votes
53.2k views
A high school reports that its​ students' SAT scores were down by 8​% in one year. The next​ year, however, the test scores rose by 18​%. The high school principal​ announces, "Overall, test scores have
answered Jan 22, 2022
7 votes
117k views
What is the scientific notation of 0.00005007
answered Sep 27, 2021
2 votes
175k views
If the movie theater seats 328 people, what is the maximum amount of money the theater can bring in during a show?
answered Sep 26, 2021
4 votes
16.7k views
The circumference of a circle is 23π m. What is the area, in the square meters? Express you answer in terms of pi
answered Sep 23, 2021
4 votes
67.0k views
During a hike in Utah's Zion National Park, you pick up a sedimentary rock sample. When you examine the sample with your hand lens, you see that the rock consists mainly of rounded glassy particles that
answered Aug 21, 2021
2 votes
170k views
Lucas 15 iguanas and five dogs what is the ratio of dogs to iguanas?
answered Aug 17, 2021
0 votes
49.8k views
Kristine bought a Rocky Mountain Chocolate Factory franchise. Her franchise agreement required her to purchase a cash register that cost $3,000, with an annual maintenance fee of $773. The agreement also
answered Aug 17, 2021
1 vote
34.9k views
A bookstore carries 48 magazines. 50% of the magazines are women's magazines. How many women's magazines does the bookstore carry?
answered Aug 16, 2021
4 votes
52.3k views
What part of aesthetics does “impressionistic” art represent?
answered Jul 5, 2021
0 votes
135k views
What is 4a+9b if a=7 and b=10?
answered Apr 17, 2021
5 votes
187k views
A bag contains 3 red marbles, 5 blue marbles and 4 green marbles. If three marbles are drawn out of the bag, what is the exact probability that all three marbles drawn will be blue? I need helppppppp !
answered Apr 15, 2021
6 votes
31.8k views
Lower Egypt is located in the northern part of Egypt and is down ______. A. river B. wind C. in population D. in supplies
answered Apr 8, 2021
5 votes
157k views
7th-grade math help me, please
answered Mar 16, 2021
1 vote
12.3k views
Find the measure of the numbered angle. m∠2 =
answered Mar 4, 2021
3 votes
3.5k views
The boiling point of water is a _____ property and is equal to _____. A. physical; 0 °C B. chemical; 0 °C C. physical; 100 °C D. chemical; 100 °C
answered Nov 9, 2020
5 votes
115k views
Which book do you like most? Change into passive Please hurry up
answered May 25, 2020
4 votes
140k views
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