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Why are binary stars important to astronomers? a) because they look cool b) because they allow us to find the masses of stars c) because they allow us to find the pulsation period of the stars d) because
answered
Jan 1
Physics
high-school
6
votes
19.8k
views
What was a key feature of the social organization of the Mesopotamian civilization? a) Centralized government b) Feudal system c) Social equality d) Independent city-states
answered
Oct 16, 2024
History
high-school
1
vote
125k
views
Select the process(es) that can produce a free amino acid. a) Peptide bond hydrolysis b) Strecker synthesis c) Gabriel synthesis without malonic ester d) Gabriel-style synthesis without phthalimide
answered
Aug 14, 2024
Biology
high-school
4
votes
53.3k
views
True or False - Large single phase motors have a much smaller drain on voltage at start up than do three-phase motors.
answered
Aug 6, 2024
Physics
high-school
0
votes
57.2k
views
A 100.0 kg man and his 50.0 kg son go for a jog. They both run 5 m/s. Who had more kinetic energy and why?
answered
Jul 29, 2024
Physics
high-school
7
votes
143k
views
Solve these problems. Find two numbers if their sum is 91 and their ratio is 6:7.
answered
Mar 26, 2024
Mathematics
college
0
votes
218k
views
A surveyor determines that the angle of elevation to the top of a building from a point on the ground is 31.3. He then moves back 57.9 feet and determines that the angle of elevation is 23.5°. What is
answered
Dec 20, 2023
Mathematics
college
0
votes
9.5k
views
Answer the following questions in complete sentences in Spanish. Note the cues in parentheses and use the preterite tense. 25. ¿Cuánto tiempo estuviste de vacaciones? (Two months)
answered
Oct 1, 2023
Spanish
college
6
votes
92.6k
views
Please help, quick :( To an operations manager, what is the danger of not having enough raw materials on hand? A. The sales force may decide that it no longer wants to sell the products. B. Advertisers
answered
Jun 26, 2023
Business
middle-school
7
votes
66.2k
views
What is the radius of a circle (rounded to the nearest tenth) that has a circumference of 87 cm? a
answered
Jun 20, 2023
Mathematics
college
2
votes
19.7k
views
Simplify 12+(-8)+(-5)
answered
Jan 17, 2023
Mathematics
high-school
6
votes
180k
views
Solve for y please help!!!!!
answered
Sep 27, 2022
Mathematics
high-school
1
vote
545
views
Which of the following is not likely to appear on a map? A. Longitude lines B. Satellites C. Legend D. Poles E. Cardinal directions
answered
Sep 17, 2022
Geography
high-school
3
votes
67.3k
views
Which of these was NOT a result of the invention of the printing press?
answered
Jun 11, 2022
Arts
high-school
2
votes
59.3k
views
What was the first Bible that was printed in the colonies?
answered
May 26, 2022
Social Studies
college
6
votes
81.2k
views
jamie borrowed $31,000 to put towards a down payment for a home. Jamie plans to repay the loan in 7 years. The bank offered a 4.1 interest rate compounded quarterly. What is the total amount Jamie will
answered
Jan 20, 2022
Mathematics
high-school
4
votes
164k
views
16. Which of the following is considered to be a vector? A. Velocity B. Temperature C. Time D. Mass
answered
Oct 14, 2021
Chemistry
college
6
votes
105k
views
A glass cup of orange juice is found to have pOH of 11.40. Calculate the concentration of the hydrogen ions in the juice.
answered
Oct 1, 2021
Chemistry
high-school
6
votes
210k
views
Mitosis, the process by which the nucleus of a cell divides into two nuclei, is essential to life because it allows for the formation of new cells. Which of the following statements correctly describes
answered
Aug 26, 2021
Biology
high-school
4
votes
52.4k
views
According to this chart, what is the second largest source of revenue for Georgia? A) individual income tax B) corporate income tax C) sales tax D) lottery funds
answered
Aug 26, 2021
English
middle-school
3
votes
156k
views
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