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Answers by Kstep

Answers by Kstep
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Let A and B be subsets of a universal set U and suppose n(U) = 400, n(A) = 115, n(B) = 90, and n(A ∩ B) = 50. Find the number of elements in the set.
answered Jun 10, 2020
0 votes
176k views
Jim's heart rate was monitored during periods of exercise and periods of rest. The graph shows the result of one 50-minute test Change in Jim's Heart Rate during Exercise Stop exercise Heart Rate (beats/min)
answered Jan 23, 2020
2 votes
75.6k views
Some of the offspring from the original dark moth were also dark what cause this?
answered Aug 28, 2019
0 votes
142k views
In late adulthood, neurons appear to become _____ at communicating with one another, and this seems to result in _____ cognitive performance
answered Jun 17, 2019
5 votes
32.4k views
Which is the definition of a line segment?
answered Mar 31, 2019
4 votes
195k views
A final IR plan should be tested at least ____________________ by performing at least a structured walk-through test and a more realistic type of test, when possible.
answered Mar 13, 2019
4 votes
183k views
how can a healthcare leader minimize conflict by addressing trust, respect, support and communication?
answered Jan 10, 2019
3 votes
180k views
A commonality among the governments of the Kingdoms of Ghana, Mali, and Songhai is that they all  ___.  a. divided their empire into provinces b. were ruled by the merchant class c. fell due to European
answered Jan 1, 2019
2 votes
38.5k views
The length of ac to the nearest tenth
answered Oct 28, 2018
3 votes
32.7k views
The combination of hydraulic pounding, abrasion, and other forces at the base of a sea cliff produces a(n ________.
answered Jun 7, 2018
5 votes
227k views
Need to learn how to do this
answered May 15, 2018
6 votes
79.5k views
What figure of speech is used in this line from Walt Whitman's poem "I Hear America Singing
answered Apr 26, 2018
6 votes
137k views
Claudia is on a motorcycle trip. She checked the odometer at the beginning of the trip, and it showed 16,789 miles. After 15 days it showed 22,189 miles. If Claudia rode the same number of miles each day,
answered Apr 6, 2018
1 vote
203k views
how do you determine if the answer to a problem is negative or positive in division multiplication addition and subtraction
answered Oct 9, 2017
1 vote
196k views
if p(x) = x2 – 1 and q(x)=5(x-1), which expression is equivalent to (p – q)(x)? a: 5(x – 1) – x2 – 1 b: (5x – 1) – (x2 – 1) c: (x2 – 1) – 5(x – 1) d: (x2 – 1) – 5x – 1
answered Aug 10, 2017
6 votes
183k views
It takes 3/5 feet of ribbon to make a pin. You have 9 feet of ribbon. How many pins can you make?
answered Jun 10, 2017
4 votes
162k views
What is the best plan for creating safe exercise goals 1 keep them fun 2 keep them low-intensity 3 keep them realistic 4 keep them high-intensity
answered Mar 29, 2017
5 votes
194k views
Which of the following about the Crusades is not true? a. The rise of the Seljuk Empire was the immediate cause of the Crusades b. The concern of European Christian leaders over the spread of the Islamic
answered Jun 17, 2016
4 votes
176k views
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