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Answers by JDJ

Answers by JDJ
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During migration, a gray whale swam 5,040 miles, The whale swam a total of 672 miles during its first 7 days of migration. If the wliale swam at the same rate during the entire migration, how many miles
answered Feb 21, 2021
3 votes
28.7k views
The null and alternate hypotheses are: H0 : μ1 = μ2 H1 : μ1 ≠ μ2 A random sample of 15 observations from the first population revealed a sample mean of 350 and a sample standard deviation of 12. A random
answered Feb 11, 2021
2 votes
58.5k views
An invasive species is a non-native species that live in a region. Human activity has accidentally or intentionally introduced many invasive species into ecosystems.Name two human activities that could
answered Jan 25, 2021
3 votes
124k views
What is the creature’s reaction after his plan fails? Use a quote to support your answer and explain this quote
answered Jan 15, 2021
4 votes
188k views
At which point in the plot are characters introduced? (5 points) Resolution Rising action Falling action Exposition
answered Jan 14, 2021
4 votes
224k views
Simplify 6 plus the square root of negative 80. 6 plus 16 times the square root of 5 i 6 plus 4 i times the square root of 5 6 plus 16 i times the square root of 5 6 plus 4 times the square root of 5 i
answered Nov 1, 2020
4 votes
215k views
Before colliding, the momentum of block A is -100 kg*m/, and block B is -150 kg*m/s. After, block A has a momentum -200 kg*m/s. What is the momentum of block B afterward? PLEASE HELP
answered Aug 2, 2020
2 votes
171k views
International Paper Company, MeadWestvaco, and Rubicon, Ltd. Work together and found ArborGen, a new biotechnology company that creates genetically modified trees. This is an example of a ______ because
answered Mar 13, 2020
3 votes
191k views
How are physical and chemical different
answered Feb 12, 2020
1 vote
40.3k views
Which algebraic expression represents “the class was divided into four equal groups”? 4 + w 4w 4 – w w _ 4
answered Feb 10, 2020
5 votes
171k views
Calculate the enthalpy change, ∆H in kJ, for the reaction H2O(s) → H2(g) + 1/2O2(g). Use the following information: : +279.9 kJ +291.9 kJ –279.9 k –291.9 kJ
answered Dec 27, 2019
2 votes
187k views
What is the value of x? x= ____ units
answered Dec 4, 2019
2 votes
151k views
In DNA, the total number of guanine bases will be equal to the total number of A.)cytosine bases B.)thymine bases C.)guanine bases D.)deoxyribose sugars
answered Nov 10, 2019
5 votes
6.7k views
PLEASE HELP!! Pre-image ABCD was dilated to produce image ​ A′B′C′D′ ​ . What is the scale factor from the pre-image to the image? Enter your answer in the box as a fraction in simplest form.
answered Sep 15, 2019
6 votes
198k views
Found in paint this chemical can flake and become part of household dust. When ingested, it can delay child development and cause other problems as well. Which chemical is it?
answered Jun 22, 2019
1 vote
207k views
What does the FSLIC do? It provides extra money to savings and loan companies. It provides insurance against savings and loan failures. It provides insurance against any banks that fail. It creates a federally
answered Apr 1, 2019
6 votes
113k views
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