Answers by Marwan Roushdy
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Answers by Marwan Roushdy

Answers by Marwan Roushdy
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What are the first three harmonics of a note produced on a 32.0 cm long violin string if waves on this string have a speed of 280.0 m/s? ___ Hz ___Hz ___Hz
answered Mar 12, 2022
3 votes
169k views
¿Con qué tipo de dinero tienes que pagar en Estados Unidos?
answered Nov 26, 2021
7 votes
147k views
Increasing temperature increases the number of collisions and the potential energy of the colliding molecules and decreases the reaction rate. True or False PLZ HELP!!
answered Oct 23, 2021
0 votes
100k views
What is the y intercept of the equation y= 3x- 12
answered Oct 5, 2021
2 votes
67.8k views
What times 20 equals 30
answered Sep 21, 2021
4 votes
127k views
Some negative ways that money can change a person
answered Jul 27, 2021
2 votes
30.6k views
9. What is the slope of the line that goes through the points (−3, 8) and (0, 23)?
answered Jul 13, 2021
5 votes
158k views
A ballet student who learns with the help of his instructor is demonstrating _____ learning.
answered Jun 11, 2021
1 vote
92.4k views
the ratio of the masses of flour in two bags is 5 : 7 the heaver bag contains 1,120 grams of flour. What is the total masses of flour in both bags?
answered May 2, 2021
7 votes
89.9k views
Leo wants to paint a mural that covers a wall with an area of 800 square feet. The height of the wall is 1 /2 of its length. What is the length and the height of the wall?
answered May 1, 2021
3 votes
37.4k views
X= Pls help me quick.......... 10pts
answered Apr 22, 2021
4 votes
46.8k views
C3H5OH + 3 O2 --> CO2 + H2O When balancing the equation above, how many molecules of CO2 and H2O are produced? The first half is already balanced.
answered Mar 31, 2021
1 vote
153k views
Which of the following describes the structure of this excerpt best? A.free verse B.sonnet C.ballad D.blank verse
answered Oct 31, 2020
6 votes
218k views
A healthy diet should include whole grains. Hypothesize why this type of grain is better for you than bleached flour. Whole grains not only contain starch but also proteins, fibers for digestion, and vitamins
answered Oct 29, 2020
3 votes
159k views
#NAME?
answered Oct 8, 2020
4 votes
70.3k views
An investor estimates that next​ year's sales for​ Dursley's Hotels Inc. should amount to about ​$100 million. The company has 5 million shares​ outstanding, generates a net profit margin of about 10​%,
answered Sep 27, 2020
2 votes
185k views
To the nearest tenth, what is the area of the shaded segment when BN = 8 ft? A)22.6 ft2 B)53.2 ft2 C)39.3 ft2 D)72.8 ft2
answered Aug 19, 2020
4 votes
12.4k views
Students in 7th grade took a standardized math test that they also had taken in 5th grade. The results are shown on the dot plot, with the most recent data shown first. Which statement is true? Both data
answered Mar 23, 2020
5 votes
125k views
How many ordered pairs do you need in order to use the Slope Formula?
answered Mar 11, 2020
1 vote
7.3k views
In a heat engine, Qh and Qc represents high temperature substance and low temperature substance respectively. Which of the following expressions is correct for the efficiency of the heat engine?
answered Nov 8, 2019
3 votes
9.3k views
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