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the mean speed of vehicles on a stretch of I-84 is 69/5 mph, with a standard deviation of 4 mph. A random sample of 64 vehicles is selected. Find the probabilty that the mean speed is 70 mph
asked
Aug 1, 2021
Mathematics
college
1
answer
3
votes
79.4k
views
Is : -.6 IRRATIONAL? yes or no
asked
Jul 7, 2021
Mathematics
middle-school
2
answers
0
votes
81.3k
views
Although both the Mayas and Incas planted corn, potatoes, squash and beans, what crop was so important to the Mayas that they may have believed man was created from it? A) corn B) potatoes C) squash D)
asked
Jun 20, 2021
History
college
2
answers
5
votes
53.3k
views
What actions do the animals and people take in “Winter”?
asked
May 26, 2021
English
middle-school
1
answer
0
votes
106k
views
A single six-sided is rolled. What is the probability of a number rolling that is a odd number less than four?
asked
Apr 5, 2021
Mathematics
high-school
1
answer
2
votes
95.6k
views
How did jobs in Texas change during World War II?
asked
Mar 10, 2021
History
high-school
1
answer
3
votes
219k
views
What occurs when too much of a population relys on something.
asked
Feb 2, 2021
Biology
middle-school
2
answers
5
votes
81.9k
views
What is the most common way for human beings to authenticate a person’s ""identity"" in daily human life?
asked
Jan 28, 2021
Social Studies
high-school
1
answer
4
votes
31.0k
views
Ann increased the quantities of all the ingredients in a recipe by 60% She used 80 grams (g) of cheese How much cheese did the recipe require?
asked
Jan 13, 2021
Mathematics
middle-school
1
answer
3
votes
128k
views
What is the common belief about the geographical location of the island of chile?
asked
Dec 14, 2020
Spanish
middle-school
2
answers
5
votes
91.6k
views
A solution in which more solute can be dissolved is called a(n) ???? solution
asked
Oct 3, 2020
Chemistry
middle-school
1
answer
1
vote
201k
views
Why was Sir Walter Raleigh so interested in settling in America? In honor of his brother To compete against the Spanish Because he was hired to settle a colony To help people find a new home and beginning
asked
Feb 12, 2020
History
middle-school
1
answer
5
votes
228k
views
the diameter of an insect cell is 1.7*10^-11 meter. ariel wants to find the length of the radius of the cell if she performs the calculations on her calculator which shows what will be displayed
asked
Jan 26, 2020
Mathematics
middle-school
2
answers
2
votes
118k
views
A landscaper charges you $102 to plant 8 bushes in front of your office building. If you decide to put 12 much of the same bushes around the buliding, how much should the landscaper charge you to plant
asked
May 23, 2019
Mathematics
college
2
answers
2
votes
180k
views
jess has 9 feet of blue fabric. To finish making her costume she needs one third of that amount of red fabric.The fabric store sells fabric by the yard. How much fabric does jess need to buy?
asked
May 22, 2019
Mathematics
high-school
1
answer
4
votes
167k
views
How many solutions are there to the equation below ? 145=10x-8x A. 1 B. 2 C. infinitely many
asked
Feb 2, 2019
Mathematics
high-school
2
answers
0
votes
205k
views
A sales manager has ieekends off and has 20 paid vacation days per year. including holidays that fall on weekdays. If her salary is $93,600 per year, what is her pay per workday?
asked
Dec 27, 2018
Mathematics
high-school
1
answer
3
votes
216k
views
London type smog typically forms when particles in coal smoke combine with water droplets in Hemid air true or false?
asked
Feb 9, 2018
Geography
middle-school
1
answer
2
votes
61.6k
views
Explain how to find which is greater: 1/4 of 12 or 1/3 of 12.
asked
Nov 3, 2017
Mathematics
middle-school
2
answers
5
votes
282
views
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