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Find the first term and the common difference of the arithmetic sequence described. Give a recursive formula for the sequence. Find a formula for the nth term. 5 th term is 7โ; 19 th term is 63
answered
Jul 14, 2020
Mathematics
high-school
7
votes
174k
views
In a pile of coins, there are 7 more quarters than nickels. If there is a total of $2.65 in coins, how many quarters are there. Guess, check, and revise to solve
answered
Jun 10, 2020
Mathematics
middle-school
5
votes
7.8k
views
Conventional wisdom holds that the development of separate species happens quickly, most often when populations become separated by a geographical barrier." This is called ________ speciation. "Even if
answered
Jun 7, 2020
Biology
high-school
2
votes
25.8k
views
Given the following portion of a research manuscript, "Three-hundred and sixty students were asked about their attitudes toward school. Findings indicate positive attitudes in the lower grades and more
answered
May 1, 2020
Social Studies
high-school
3
votes
220k
views
On the chart, the recessive trait is A) no teeth B) sex-linked C) small teeth D) large teeth
answered
Jan 14, 2020
Biology
middle-school
2
votes
106k
views
Marissa has a wool rug that has the shape of a regular octagon in her living room. The diameter of the incircle of the rug measures 7 feet approximately. Which of the following is the approximate measure
answered
Jul 20, 2019
Mathematics
high-school
4
votes
42.3k
views
Which vertebrates have air sacs attached to their lungs that make the lungs more efficient?
answered
Apr 12, 2019
Biology
college
7
votes
128k
views
Rewrite y= -2x + 35 in vertex form ?
answered
Feb 19, 2019
Mathematics
college
3
votes
41.0k
views
It is wrong to assume that a business model is a home run regardless ofโ ________. a. circumstances b. services c. revenues d. profits e. products
answered
Sep 21, 2018
Business
high-school
6
votes
124k
views
What is the slope of a line that is perpendicular to the line represented by the equation x-y=8
answered
Aug 7, 2018
Mathematics
high-school
4
votes
151k
views
Evaluate. 33+1โ 9+12 A.24 B.30 C.48 D.264
answered
May 24, 2018
Mathematics
college
4
votes
151k
views
How do you solve the equation?
answered
May 2, 2018
Mathematics
high-school
4
votes
21.2k
views
Choose the verb in the sentence. Jim skied while in the mountains
answered
Apr 18, 2018
English
high-school
4
votes
150k
views
During a period of 28 minutes, a music station played 8 minutes of commercials. What is the ratio of music they played to commercials they played?
answered
Mar 15, 2018
Mathematics
high-school
4
votes
82.9k
views
Kim burns 85 calories per hour hiking how many calories will Kim burn in "h" hours? Identify and explain the independent and dependent variables of this situation
answered
Oct 23, 2017
Mathematics
high-school
0
votes
61.8k
views
Which was not a member of early Chinese social classes? A. peasants and slaves B. people of nobility C. craft workers D. scribes
answered
Sep 15, 2017
History
high-school
0
votes
25.3k
views
I need help thank you ! I wil
answered
Apr 28, 2017
Mathematics
middle-school
5
votes
232k
views
A motorist is pumping gas into his car at a rate of 5/12 of a gallon every 1/24 of a minute. At this rate how many gallons of gas will he have pumped into his car in 1/12 of a minute
answered
Jan 25, 2017
Mathematics
middle-school
7
votes
2.5k
views
SAT Question of the Day: Designed to resist storms by virtue of their ------- weight, the oil platforms towed into the North Sea were the heaviest objects ever moved by human technology. (A) inconsistent
answered
Jul 19, 2016
English
high-school
6
votes
153k
views
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