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ANSWER THIS PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked
Jul 14, 2021
Mathematics
college
1
answer
0
votes
98.5k
views
Consider the following energy levels of a hypothetical atom: E4 −1.91 × 10−19 J E3 −6.11 × 10−19 J E2 −1.25 × 10−18 J E1 −1.65 × 10−18 J (a) What is the wavelength of the photon needed to excite an electron
asked
May 22, 2021
Chemistry
college
1
answer
5
votes
195k
views
Help me again...(science)
asked
May 7, 2021
Physics
high-school
1
answer
2
votes
218k
views
Which of the following is a run on sentence? A: THEY DANCE FOR HOURS; THEY NEVER FELT REMOTELY TIRED. B: THE CONCERT STARTED AND THE MUSIC WAS INCREDIBLE. C: TOMAS WAS FRUSTRATED DURING CLASS HE FORGOT
asked
Apr 26, 2021
English
middle-school
1
answer
5
votes
122k
views
To create an aquatics ecosystem that is self sufficient, there should be a fish and a
asked
Sep 12, 2020
Biology
middle-school
1
answer
0
votes
86.7k
views
Please can you help me?
asked
Mar 15, 2020
Mathematics
high-school
1
answer
1
vote
74.8k
views
For an endothermic reaction, which of the following conditions must be true for all products? The change in enthalpy is positive and potential energy diagram is higher. The change in enthalpy is negative
asked
Aug 12, 2019
Chemistry
high-school
2
answers
4
votes
29.4k
views
Which of the following is a feature of democratic systems but not totalitarian systems? A. rule by a single political party B. open expressions of nationalism C. freedom of speech D. government control
asked
May 7, 2019
History
middle-school
2
answers
0
votes
140k
views
Which statement describe ways that Ivan (Ivan the Great) increases his power or status as ruler of Russia
asked
Feb 21, 2019
History
middle-school
1
answer
0
votes
2.3k
views
What is the average rate of change for the given function from x=-1 to x=2 a. -2 b. -1 c. 1 d.2
asked
Jan 23, 2019
Mathematics
high-school
1
answer
2
votes
62.6k
views
Joshua earned $60 for working h hours. Which expression represents how much he earned in 1 hour? A) 60h B) 60 + h C) h/60 D) 60/h
asked
Nov 7, 2018
Mathematics
middle-school
2
answers
1
vote
186k
views
the distance from New York to San Diego is approximately 2,700 miles.becasue of prevailing winds,when flying east-wast ,the flight usually takes one hour longer than when flying west-east .if a plane from
asked
Sep 9, 2018
Mathematics
middle-school
1
answer
2
votes
234k
views
Select the equation of the line that passes through the point (3, 5) and is perpendicular to the line x = 4. A. y = 5 B. x = 5 C. y = 4 D. x = 3
asked
Jul 18, 2018
Mathematics
middle-school
1
answer
4
votes
141k
views
337,060 in expanded form using exponents
asked
Jun 7, 2018
Mathematics
college
1
answer
0
votes
102k
views
The probability for success of an event is P(A), and the probability of success of a second event is P(B). What is the probability of both events occurring, in that order? A. P(A + B) B. P(A) • P(B) C.
asked
Nov 23, 2017
Mathematics
high-school
2
answers
2
votes
173k
views
Which sentence uses the underlined vocabulary word incorrectly? a. falling down the steep embankment was extremely deleterious to her already injured leg. b. it seemed judicious to enlarge the facts to
asked
Sep 20, 2017
English
high-school
1
answer
3
votes
147k
views
A) Joey used 10 congruent triangles to create a regular decagon. What kind of triangles is he using? b)Joey used 10 congruent triangles to create a regular decagon. Find the three angle measures of one
asked
May 2, 2017
Mathematics
high-school
1
answer
1
vote
90.2k
views
All life must maintain an internal balance, despite environmental changes. This is called _____. stimulus heredity homeostasis evolution
asked
Jan 18, 2017
Biology
high-school
1
answer
5
votes
94.7k
views
The members of a society? A. Belong to at least two species B. Belong to the same species and interact closely with each other C. Act independently for each individual's benefit
asked
Oct 19, 2016
Biology
high-school
1
answer
4
votes
8.0k
views
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