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Use left-endpoint approximation to estimate the area under the curve of f(x)=x^3 on [1,3]. Use n = 4. Using the same function use midpoint approximation to estimate the area.
answered
Sep 18, 2023
Mathematics
college
4
votes
27.1k
views
When 1.50 mol of CH 4( g) reacts with excess Cl 2( g) at constant pressure according to the chemical equation shown below, 1062 kJ of heat are released. Calculate the value of Δ H for this reaction, as
answered
Aug 11, 2023
Chemistry
college
6
votes
69.2k
views
1. What number added to 2.1835 gives 3? 2.The sum of 3.9 and 6.93 subtracted from 38.35 gives what number? 3.What should be added to 4.1648 to get 8? 4.By how much is the difference between 604 and 406.
answered
Apr 12, 2023
Mathematics
college
3
votes
211k
views
How many part are there in a whole grain
answered
Jan 6, 2023
Health
high-school
7
votes
63.2k
views
The graph shows the height of a plant over time. What is the unit rate?
answered
Nov 22, 2022
Mathematics
high-school
3
votes
2.0k
views
One word instructions are also known as
answered
Nov 20, 2022
Computers and Technology
middle-school
5
votes
149k
views
intrusive igneous rock forms when the cooling of magma takes place fast on the top of the Earth's surface. A. True B. False
answered
Nov 16, 2022
Chemistry
high-school
4
votes
208k
views
The temperature is rising at a steady rate of two degrees Fahrenheit per hour. If the temperature is currently 74 degrees, in how many hours will it reach 87 degrees? SHOW WORK PLEASEE
answered
Oct 27, 2022
Mathematics
high-school
3
votes
87.3k
views
\color{pink}{ \tt{NEED \: HELP!}} \color{Yellow}{ \tt{I \: NEED \: 3-5 \: SENTENCES}} \large \color{green} { \bold{ \underline{ \overline{DON'T \: WASTE MY \: POINT \: , \: I \: NEED \: SOME \: SOBER \:
answered
Sep 22, 2022
English
high-school
4
votes
45.8k
views
Why did the democratic Weimar government become unpopular in Germany after WWI?
answered
Aug 17, 2022
History
college
3
votes
122k
views
What did Tommy Thompson do to threaten the World Health Organization from publishing their results?
answered
May 24, 2022
English
college
6
votes
51.6k
views
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
answered
Jan 11, 2022
Social Studies
high-school
2
votes
227k
views
Amendments have been passed to do all of the following EXCEPT: A. give voting rights to all citizens B. allow only the smartest, most qualified citizens to vote on the government C. lower the voting age
answered
Jan 1, 2022
History
high-school
4
votes
204k
views
I need help plz it is for khan academy
answered
Nov 24, 2021
Mathematics
middle-school
6
votes
14.8k
views
Land covers more than one-half of the earth. true false
answered
Oct 11, 2021
History
high-school
3
votes
85.0k
views
A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there?
answered
Jul 18, 2021
Mathematics
middle-school
3
votes
37.6k
views
The research funds of a certain company were divided among three departments, X, Y, and Z. Which one of the three departments received the greatest proportion of the research funds?1. The research funds
answered
May 22, 2021
Mathematics
high-school
3
votes
193k
views
I need help ASAP easy question. question 4 on picture
answered
Apr 20, 2021
History
middle-school
3
votes
43.6k
views
Who are you? Identify 3 characteristics of your self-concept (roles you fill, your likes/dislikes, your beliefs and values etc...)
answered
Mar 4, 2021
History
middle-school
0
votes
50.6k
views
After the Civil War, southern states adopted Black Codes to -
answered
Feb 17, 2021
History
high-school
2
votes
229k
views
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