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Which of the following is the best definition of constructive interference? A. the subtraction of one wave from another B. the addition of one wave to another C. the blocking of one wave by another D.
answered
Nov 1, 2019
Physics
high-school
0
votes
92.5k
views
ANSWER THIS QUICK QUESTION FOR 16 POINTS! A B C D is a parallelogram. Which segment must be congruent to segment B C?
answered
Aug 16, 2019
Mathematics
high-school
2
votes
82.5k
views
from the top of a lighthouse 210 feet high, the angle created by the line of sight to a boat is 27°. find the distance of the boat to the light house.
answered
May 27, 2019
Mathematics
middle-school
0
votes
76.8k
views
HELP The complement system is a______ barrier of the immune system. A complement system is a group of _____ in the blood that detect pathogens that have entered the body. The complement system can cause
answered
Feb 4, 2019
Biology
college
2
votes
86.8k
views
Which word in the passage expresses eagerness? melodist songs still panting
answered
Jan 7, 2019
English
college
5
votes
65.6k
views
List three ways of maintaining good hygiene.
answered
Dec 15, 2018
Health
middle-school
5
votes
51.9k
views
Read the sentence about group participation. This person has the responsibility of recording the discussion and preparing the questions or handouts for a group discussion. What group role is being described?
answered
Nov 10, 2018
English
high-school
3
votes
16.5k
views
The stock market report says that ate stocks went up for every night stocks that went down. If 1026 stocks went down yesterday how many went up
answered
Sep 28, 2018
Mathematics
college
4
votes
54.2k
views
The ages of the Oscar-winners for best actor and actress for the years 1970 through 1990 are given below: Women: 34,34,26,37,42,41,35,31,41,33,30,74,33,49,38,61,21,41,26,80,72 Men: 43, 40,48,48,56,38,60,
answered
Apr 22, 2018
Advanced Placement
high-school
1
vote
99.3k
views
What was the original plan for Korea after ww2 between the US and USSR?
answered
Apr 6, 2018
History
high-school
2
votes
115k
views
The isosceles triangle has a perimeter of 7.5 m. Which equation can be used to find the value of x if the shortest side, y, measures 2.1 m?
answered
Mar 16, 2018
Mathematics
high-school
3
votes
213k
views
What did James Buchanan promise to do
answered
Sep 20, 2017
Social Studies
high-school
4
votes
21.0k
views
Which holiday is specific to france?. . 1)la saint valentine. . 2)mardi gras 3)le premier mai 4)le fete de noel
answered
Jul 26, 2017
French
high-school
5
votes
29.5k
views
How long does it take for sunlight to reach pluto?
answered
Jun 23, 2017
Mathematics
middle-school
1
vote
7.6k
views
Which of the following is the smallest volume? (2 points) 2500 mL 250 cm3 2.5 x 10-2 L 25 m3
answered
Apr 15, 2017
Chemistry
high-school
5
votes
184k
views
Which of the following is NOT a characteristic of a developed country? a. low life expectancy b. high literacy rates c. many educated people d. low unemployment
answered
Mar 8, 2017
Geography
high-school
3
votes
83.2k
views
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