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if {a \index{n}} be an Arithmetic sequence , calculate \frac{1}{a1a2} + \frac{1}{a2a3} +...+ \frac{1}{a39a40}
answered
Jan 20, 2022
Mathematics
high-school
3
votes
84.9k
views
How are x intercepts and y intercepts different?
answered
Dec 14, 2021
Mathematics
high-school
1
vote
51.3k
views
Charles owes $2,500 on a credit card. The card charges 12% interest compounded continuously. Write a formula that describes how much Charles will owe on his card after t years assuming that he makes no
answered
Dec 1, 2021
Mathematics
high-school
0
votes
217k
views
There are 35 students in the drama club 2 out of every 5 students in the club are boys How many students in the club are boys a:7 b:10 c:14 d:15 Help?
answered
Nov 17, 2021
Mathematics
high-school
2
votes
98.0k
views
I figured it out isisidiidieie
answered
Nov 3, 2021
Advanced Placement (AP)
college
3
votes
9.4k
views
Write a 30-second summary of the article, "Ramp and postholes provide new clues as to how pyramids were built" article in Newsela.
answered
Oct 31, 2021
History
middle-school
2
votes
162k
views
Select the product of the following nuclear reaction: 5024Cr+12 6C→2 10n + ? Express your answer as an element symbol including subscripts and superscripts. if you had a high-energy xenon particle beam
answered
Jun 16, 2021
Chemistry
college
5
votes
156k
views
HELP PLEASEE 100 POINTS The Quiver tree grows in Southern Africa. Which of the following plant adaptations is likely to prevent these trees from dying out due to rising desert temperatures? O Releasing
answered
Jun 2, 2021
Chemistry
high-school
2
votes
103k
views
Whats a stanza? lemme know ! asap
answered
May 27, 2021
English
high-school
3
votes
163k
views
The Specie Circular: a. stabilized the economy for the rest of the 1830s b. required gold or silver payment for public lands c. outlawed paper currency d. gave excess federal money to the states e. paid
answered
Feb 15, 2021
History
high-school
4
votes
13.3k
views
Jeanette purchased a concert ticket on a website. The original price of the ticket was $75. She used a coupon code to receive a 20% discount. The website applied a 10% service fee to the discounted price.
answered
Jan 9, 2021
Mathematics
high-school
6
votes
101k
views
Which sentence uses the denotative meaning of the word bright? I love how bright and creative children are. She is especially bright in math and science. The bright light blinded me for a moment. My brother
answered
Dec 25, 2020
Social Studies
middle-school
2
votes
178k
views
13(n+4+7m) simplified
answered
Sep 4, 2020
Mathematics
middle-school
3
votes
104k
views
The top element in the hierarchy is the html element , which contains all of the other elements within a Hypertext Markup Language (HTML) file. True or false?
answered
Aug 11, 2020
Computers and Technology
high-school
7
votes
58.0k
views
In this excerpt from Narrative of the Life of Frederick Douglass, an American Slave, which sentence best conveys the idea that enslaved persons were separated from family? After the valuation, then came
answered
Aug 7, 2020
Mathematics
middle-school
6
votes
148k
views
Greta’s family drinks 3 1/4 quarts of milk and 1 5/6 quarts of juice in one week. About how much more does Greta’s family drink in one week
answered
May 28, 2020
Mathematics
middle-school
3
votes
144k
views
Suppose that 1% of all computers of a certain type experience CPU failure during the warranty period. If a simple random sample of 500 such computers is taken, (a) What is the expected value and the standard
answered
May 7, 2020
Mathematics
high-school
6
votes
38.8k
views
The Pullman Strike of 1894 was ended when
answered
Jan 30, 2020
History
middle-school
5
votes
36.2k
views
Define geography giving both the traditional and current definition.
answered
Nov 23, 2019
Geography
middle-school
5
votes
212k
views
Your friend earns $10.50 per hour. This is 125% of her hourly wage last year. How much did your friend earn per hour last year?
answered
Nov 20, 2019
Mathematics
college
4
votes
144k
views
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