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Cepheid variable stars are useful because a. they relate brightness of a star to its mass b. they relate the period of variability to its intrinsic luminosity c. they relate the orbital motion of a star
answered
Nov 15, 2024
Physics
high-school
5
votes
153k
views
Which statement best compares the momentum of a 5–kilogram fish swimming at a speed of 10 meters/second and a 2–kilogram fish swimming at a speed of 10 meters/second? 1) Neither fish has momentum. 2) The
answered
Jun 20, 2024
Physics
high-school
2
votes
230k
views
Assuming that x = 2 and y = 3, what does the following statement display? System.out.println("Value of " + x + " + " + x + " is " + (x + x)); a) Value of 2 + 2 is 4 b) Value of 2 + 2 is 22 c) Value of
answered
Jan 17, 2024
Computers and Technology
high-school
1
vote
188k
views
Describe the result when a square in Quadrant III with two horizontal sides is reflected across the y-axis.
answered
Jan 14, 2024
Mathematics
high-school
5
votes
216k
views
How much money did the u. S. Pay for the louisiana purchase?.
answered
Nov 18, 2023
History
high-school
7
votes
164k
views
A bakery used 40% more sugar this month than last month. If the bakery used 600 cups of sugar last month, how much did it use this month?
answered
Apr 20, 2023
Mathematics
high-school
5
votes
48.1k
views
According to communication experts, what is the greatest failing of business writers?.
answered
Feb 25, 2023
English
high-school
4
votes
43.6k
views
A train travelling at 20m/s accelerate at 0.5m/s2 for 30 seconds. How far will it travel in this time?
answered
Dec 29, 2022
Physics
high-school
3
votes
154k
views
Predict how many times you will roll a number less than 4 if you roll a standard number cube 200 times. Round to the nearest integer, if necessary. times. You will roll a number less than 4 about
answered
Oct 25, 2022
Mathematics
high-school
2
votes
115k
views
tourist agency is planning a tour for 96 men and women. Each Tour bus hold 10 people. how many buses are needed for the entire group?
answered
Jun 15, 2022
Mathematics
college
12
votes
119k
views
Plz help me answer this question
answered
Apr 25, 2022
Mathematics
high-school
1
vote
195k
views
I need help with this
answered
Mar 19, 2022
History
college
3
votes
27.0k
views
Rewrite without absolute value for the given conditions: y=|x-3|+|x+2|-|x-5|, if 3 If you put a link i will not hesitate to report you
answered
Mar 18, 2022
Mathematics
college
4
votes
171k
views
She doesn't ........ the grammar(know,knows)
answered
Mar 9, 2022
English
college
3
votes
117k
views
Forensic photographers photograph which of the following? A) Products B) Families C) Crime scenes D) Pets
answered
Feb 16, 2022
Arts
high-school
2
votes
76.0k
views
Add 2 mn, -4 mn, 8 mn, -6 mn
answered
Jan 23, 2022
Mathematics
high-school
7
votes
65.8k
views
What is the problem of the story, as expressed in one sentence?
answered
Nov 17, 2021
English
middle-school
4
votes
109k
views
What is the answer ? x/y+17 If is x=12 and y=1/2
answered
Oct 15, 2021
Mathematics
college
5
votes
94.6k
views
Which phrase describes non-foliated rocks have grains in parallel layers include quartzite and marble tend to split along there bands form from crystallized magma
answered
Oct 5, 2021
Social Studies
high-school
6
votes
53.2k
views
Which sentence best describes what a paramédico is? Es una rescatista entrento en combate de incendios. Es in profesional de la salud. Es encargado de regular el orden. Es una persona que hace cumplir
answered
Aug 18, 2021
Spanish
middle-school
5
votes
186k
views
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