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In a mark–recapture study to estimate the size of a rodent population, researchers catch and mark 30 individuals. Two days later, they again capture a number of rodents and find that 20% of the individuals
answered
Apr 27, 2020
Biology
high-school
5
votes
98.3k
views
A healthcare-associated infection (traditionally known as a nosocomial infection) is: a) acquired during the course of hospitalization. b) always caused by medical personnel. c) always present, but is
answered
Mar 24, 2020
Biology
high-school
5
votes
128k
views
What is the domain function shown in the table?
answered
Mar 23, 2020
Mathematics
middle-school
3
votes
8.4k
views
Kerrie uses the work shown below to determine 35% of 280. Step 1: 35% = 10% + 25% Step 2: 10% of 280 = 280:10 = 28 Step 3: 25% of 280 = 280 : 4 = 70 Step 4: 28 + 70 = 98 She states that 35% of 280 is 98.
answered
Mar 4, 2020
Mathematics
middle-school
7
votes
165k
views
X + 2/3 = 9/10 what does x equal?
answered
Nov 27, 2019
Mathematics
middle-school
4
votes
129k
views
Find the distance from point A to XZ. Round your answer to the nearest tenth. (Explain please)
answered
Nov 18, 2019
Mathematics
middle-school
4
votes
103k
views
The responsibilities of a physical therapist include teaching group fitness courses of all levels. trie or false
answered
May 15, 2019
Social Studies
high-school
2
votes
103k
views
Find the product 67.8x0.45
answered
May 2, 2019
Mathematics
middle-school
4
votes
6.1k
views
Describe how you could estimate thw IQR of the data set from a histogram
answered
Dec 16, 2018
Mathematics
high-school
2
votes
141k
views
Nathan wants to use coordinate geometry to prove that the opposite sides of a rectangle are congruent. He places parallelogram ABCD in the coordinate plane so that A is (0, 0), B is (a, 0), C is (a, b),
answered
Nov 1, 2018
Mathematics
high-school
3
votes
195k
views
Why is a model divided into six sections
answered
Sep 30, 2018
Mathematics
middle-school
6
votes
3.8k
views
The ___ of a worksheet defines its appearance
answered
Jul 19, 2018
Computers and Technology
college
2
votes
58.8k
views
Mr.Chen is putting tiles down in his kitchen.The kitchen has a perimeter of 48 feet.The tile costs $5 per square foot.How much will it cost Mr.Chen to tile his kitchen?
answered
Apr 12, 2018
Mathematics
middle-school
4
votes
49.1k
views
Tom is putting money into a savings account. He starts with $650 in the savings account, and each week he adds $60 . Let S represent the total amount of money in the savings account (in dollars), and let
answered
Feb 25, 2018
Mathematics
college
4
votes
202k
views
I need help with 1-3
answered
Nov 12, 2017
Mathematics
high-school
5
votes
54.4k
views
Yo ____________ en la tienda. (estar)
answered
Jul 16, 2017
Spanish
high-school
7
votes
21.4k
views
Historically, the most important trade barriers have been tariffs and _______.
answered
Feb 19, 2017
Social Studies
high-school
1
vote
101k
views
How can a number line be used to explain why 11.6> 11.3?
answered
Aug 9, 2015
Mathematics
middle-school
4
votes
140k
views
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