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A measure of the average value of a random variable is called a(n): a. variance b. standard deviation c. expected value d. coefficient of variation
asked
Feb 6, 2020
Mathematics
college
1
answer
1
vote
86.5k
views
What are five benefits people can get from Rivers
asked
Jan 23, 2020
Spanish
middle-school
1
answer
2
votes
90.8k
views
Tyrone needs to take 4.5 milliliters of cough syrup but only has 2.745 milliters. how much more does he need for a full dose?
asked
Oct 25, 2019
Mathematics
middle-school
2
answers
3
votes
178k
views
The greatest common factor of 15u2v3, 20u5v2, and 45u3v5 is
asked
Apr 2, 2019
Mathematics
college
1
answer
2
votes
210k
views
On a scale drawing of a fence, 3.75 inches represents 12 feet. Estimate the actual length of a second fence that is 2.8 in the drawing.
asked
Mar 22, 2019
Mathematics
middle-school
1
answer
3
votes
109k
views
A student attempted to generate an equivalent expression using the distributive property, as shown below: 6(m + 3) = 6m + 3 What was the mistake made? 6 was not multiplied by m Incorrect sign was used
asked
Nov 23, 2018
Mathematics
high-school
2
answers
3
votes
188k
views
What were three weaknesses of the Articles of confederation
asked
Jun 17, 2018
History
middle-school
2
answers
0
votes
197k
views
What is the measure of the indicated central angle?
asked
Apr 3, 2018
Mathematics
high-school
1
answer
1
vote
199k
views
Can someone help me 3x + 5y = 30
asked
Feb 22, 2018
Mathematics
high-school
1
answer
0
votes
32.6k
views
10× 38 +918 ÷28 +17- 375×29476 -2 ×0 +736 -37728 ÷17537 +2864
asked
Sep 23, 2017
Mathematics
middle-school
2
answers
2
votes
94.0k
views
What is a predator in science
asked
Aug 8, 2017
Biology
middle-school
1
answer
4
votes
24.3k
views
Write the overall, ionic and net ionic equations for the following reaction. Perchloric acid (HClO4) and barium hydroxide (Ba(OH)2)
asked
May 15, 2017
Chemistry
high-school
2
answers
5
votes
207k
views
Bubba can mow a field in 8 hours. If Skeeter helps, they both can do it together in 3 hours. How long would it take Skeeter to mow the field by himself?
asked
May 14, 2017
Mathematics
high-school
1
answer
3
votes
215k
views
What are the quadratic function f(b)=b^2-75?
asked
Apr 5, 2017
Mathematics
high-school
1
answer
2
votes
18.9k
views
X+4y=2v make x the subject
asked
Apr 25, 2016
Mathematics
middle-school
1
answer
0
votes
214k
views
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