Answers by Alana
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Answers by Alana

Answers by Alana
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If the original quantity is 5 and the new quantity is 7, what is the percent of change?
answered Sep 14, 2023
3 votes
201k views
Light of frequency 2.5 x 1015 Hz illuminates a piece of iron, and the iron emits photoelectrons with a maximum kinetic energy of 6.3 eV. What is the threshold frequency of the metal? Planck's constant
answered Jul 26, 2023
9 votes
196k views
Hey i have a question i need help with this it says... How many cups would give you 2 quarts of water if you have an awnser for this please let me know
answered May 18, 2023
5 votes
146k views
Name three biological services provided by biodiversity
answered May 12, 2023
4 votes
9.0k views
Filtration definition 
answered Nov 9, 2022
10 votes
196k views
Multiply: (5m³+ 2x – 1) – (7 – 6m³ + 4x)
answered Oct 27, 2022
2 votes
232k views
1. What forces cool moist air from the oceans to rise as it moves towards land? * (1 Point) O Prevailing winds Mountain ranges Seasonal winds
answered Sep 15, 2022
0 votes
136k views
A change in which property of light will have no effect on whether or not the photoelectric effect occurs? O frequency O energy O intensity wavelength
answered Jul 4, 2022
4 votes
156k views
Fill in the blank with the correct form of écrire in the present tense. Ils une lettre à leur ami. O A. écrivent о B. écrivons о C. écris O D. écrit
answered Jun 16, 2022
2 votes
74.1k views
Increasing friction is necessary for which of the following? A) free wheel of bicycle B) Chain of bicycle C) Bicycle handle bar D) ball bearing in front wheel
answered May 16, 2022
3 votes
161k views
Exponential function models the annual rate of increase. Find the monthly and quarterly rates​
answered Feb 14, 2022
6 votes
73.7k views
Suppose that on further analysis you decide that after year 5 McDonald’s earnings and dividends will grow by a constant 4% a year. How does this affect your estimate of the value of McDonald’s stock at
answered Nov 30, 2021
0 votes
200k views
To repair a roof that is 16 feet high, Mr. Ayala leans a 20-foot ladder against the side of the building. To reach the roof, how far away from the building should he place the base of the ladder? 1
answered May 19, 2021
2 votes
204k views
What is the geometric mean?
answered May 14, 2021
2 votes
180k views
Please help it would be appreciated!!!:)
answered Mar 19, 2021
6 votes
39.2k views
Which expression is equivalent to 3 (6x1) for all values of x
answered Feb 28, 2021
6 votes
12.2k views
Who said, "I am human because I belong." Put another way, "a person is a person through other people," a concept perfectly captured by the phrase "me we." We need other human beings in order to be human".
answered Jan 17, 2021
6 votes
150k views
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