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The issue that discusses whether development is more a function of biology or more a function of the environment is the
3 answers
371 views
A 1-L flask is filled with 1.45 g of argon at 25 degrees C. A sample of ethane vapor is added to the same flask until the total
4 answers
955 views
Find the (theoretical) probability of a given event, assuming that the dice are distinguishable and fair, and that what is
4 answers
683 views
Complete the following probability distribution table and then calculate the stated probabilities.
Outcome a b c d e Probability
1 answer
1,207 views
Find the (theoretical) probability of the given event, assuming that the coins are distinguishable and fair, and that what is
2 answers
528 views
f two indistinguishable dice are rolled, what is the probability of the event {(3, 3), (2, 3), (5, 3)}?
1 What is the
3 answers
905 views
Suppose two dice (one red, one green) are rolled. Consider the following events.
A: the red die shows 5. B: the numbers add to 4.
3 answers
1,692 views
Find d^2y/dx^2 by implicit differentiation.
x^(1/3) + y^(1/3) = 4 I know that first you must find the 1st derivative & for y
2 answers
1,114 views
which of the following occurs when a sample of 0.1M HNO3 is tested?
a) phenolphthalein turns pink b) bromthymol blue turns yellow
4 answers
647 views
What is the equilibrium constant expression for the predominant equilibrium in HPO4^2- (aq)?
7 answers
1,436 views
Find dy/dx
y = (x+y)/(x√2) I know that you can simplify the problem by arranging it to: y = (x)/(x√2) + (y)/(x√2) but I
4 answers
359 views
Describe the Genre between Hamlet and Midsummer Night's Dream
1 answer
493 views
What are two executive powers of the president of the united states?
1 answer
456 views
Descirbe "To provide common defense"
1 answer
578 views
What is general welfare?
4 answers
388 views
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of
1 answer
449 views
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of
1 answer
458 views
Is (0,2) a orderd pair a solution of 4x - 3y = 6? Explain.
3 answers
1,105 views
Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO3) at high
2 answers
1,213 views
Thee area of the rectangle athletic field represented by the expressio 25y^2-4z^2 square meters. Write an algebriac expression
2 answers
854 views
The area of a rectangle athletic field is represented by the expression 12y^3+48^2+24y sqaure meters. write an algebraic
4 answers
524 views
The area of a rectangle athletic field is represented by the expression 12y^3+48y^2+24y sqaure meters. write an algebraic
1 answer
476 views
Given: v with a power of 1 is 50 Ml and t with a power of 1 is 30 degrees c. what is the volume with a power of two when T with
1 answer
256 views
Find the rate of change of area in respect to temperature of a rectangle.
Its a steel plate that expands when heated. I have to
4 answers
1,730 views
35 of copper pellets are removed from a 300 oven and immediately dropped into 120 of water at 20 in an insulated cup.What will
2 answers
951 views
If your thinking of a number between 8 and 15-which is it most likely to be
1 answer
281 views
what is the fraction form of -0.048
1 answer
359 views
A ramp, a pulley, and two boxes.
Box A, of mass 10.0 kg, rests on a surface inclined at 37° to the horizontal. It is connected
1 answer
944 views
What pressure difference is required between the ends of a 2.0--long, 1.0--diameter horizontal tube for 40 water to flow through
3 answers
3,410 views
This is my son who is in 10th grade homework assignment. I want to be able to help and not look like a dope! I really have no
2 answers
582 views
I need a seven long line iambic pentameter poem. PLEASE HELP...I have no idea how to do this and my teacher will fail me. please
10 answers
405 views
What is the purpose of the "blank" in a experimental analysis?
1 answer
313 views
Triple Play, Inc
Triple Play, Inc. was established in 1982 by Randy Cleaver, Jim “Bluefish” Johnson, and Willie Lloyd, all
0 answers
664 views
Let R be the region bounded by y = 1/x, the lime x = 1, the line x = 3 and the x-axis. The line x = k divides R into two regions
4 answers
1,897 views
Calculate SS, variance, and standard deviation for the following sample of n _ 4 scores: 3, 1, 1, 1. (Note: The computational
1 answer
767 views
Calculate SS, variance, and standard deviation for the following population of N _ 7 scores: 8, 1, 4, 3, 5, 3, 4. (Note: The
4 answers
2,881 views
In an extensive study involving thousands of British children, Arden and Plomin (2006) found significantly higher variance in
3 answers
2,408 views
There are two different formulas or methods that can be used to calculate SS.
a. Under what circumstances is the definitional
1 answer
1,294 views
A student was asked to compute the mean and standard deviation for the following sample of n _ 5 scores: 81, 87, 89, 86, and 87.
4 answers
1,408 views
Does it ever seem to you that the weather is nice during the work week, but lousy on the weekend? Cerveny and Balling (1998)
4 answers
1,231 views
A sample of n = 9 scores has a mean of M _ 10. One person with a score of X _ 2 is removed from the sample. What is the value
2 answers
1,328 views
Find the mean, median, and mode for the following
sample of scores: 8, 7, 8, 8, 4, 9, 10, 7, 8, 8, 9, 8
2 answers
559 views
Why is it necessary to have more than one method for measuring central tendency?
1 answer
590 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
4 answers
1,666 views
Oxytocin is a naturally occurring brain chemical that is nicknamed the “love hormone” because it seems to play a role in the
2 answers
951 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
3 answers
1,673 views
Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls
2 answers
563 views
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
2 answers
525 views
425g/ 22/g cm * 20cm* 5cm
help
1 answer
273 views
simplify the difference quotient:
f(x+h)-f(x), (h ≠ 0) as much as possible when f(x)=5x^2+4x+6
4 answers
669 views
In the story, "After Twenty Years" by O. Henry, what is the main character's behavior and feelings about his situation?
1 answer
373 views
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
9 answers
553 views
Where can I find good websites to search on the Bodie Lighthouse?
2 answers
668 views
Answer the following BODIE ISLAND INFO:
When it was built? How tall is it? Where is it positioned? Who owns it? How much did it
3 answers
458 views
Simplify x/6 divided by 1/6
I'm not sure how to divide fractions with a variable for the numerator.
1 answer
444 views
The revenue R from selling x number of phone widgets is given by , and the cost C of producing those widgets is given by . Find
2 answers
549 views
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math
4 answers
2,421 views
To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be
4 answers
1,398 views
If jan drove 7 hrs. at 72 miles per hr.
and drove 4 hrs. at 68 miles per hr. How many hrs she drive for last 3 hrs.
3 answers
812 views
How many liters of 80% hydrochloric acid must be mixed with 40% hydrochloric acid to get 15 liters of 65% hydrochloric acid?
6 answers
2,741 views
Show all work
solve the Polynomial inequality and express the solution in set notation. (3p-2p^2)/(4-p^2)<(3+p)/(2-p)
4 answers
475 views
I need assisatnce with this. I do not want the answer I just want some guidence on how I should start it.
The width of a
3 answers
1,041 views
I need assisatnce with this. I do not want the answer I just want some guidence on how I should start it.
The width of a
5 answers
402 views
Show all work
You have 92 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side
5 answers
2,289 views
Suddenly losing his thirst, Mathman decides to check out the festivities, but just then, Frankenstein ran by him screaming,
2 answers
513 views
A student is taking a literature course in which four tests are given. To get a B, he must average at least 80 on the four
5 answers
893 views
How to write effective Case Study
1 answer
401 views
Show all work
If $7,500 is invested in a savings account earning 5% interest compunded quarterly, how many years will pass until
2 answers
571 views
If the mass is 4.3 kg, the initial speed is 4.0 m/s, and the initial height is 8.4 m, find the speed of the ball when it is at a
4 answers
385 views
While in Europe, if you drive 105 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and
4 answers
1,085 views
What is the difference in mass between a nickel that weighs 4.8 and a nickel that weighs 4.868 ?
3 answers
1,751 views
Steve and Peggy want to rent a 40 ft x 20 ft tent for their backyard to host a barbecue. The base of the tent is supported 7 ft
4 answers
1,457 views
in a 100m race, 2 sprinters finish at the same time of 10.2 seconds, accelerating uniformly, sprinter A took 2 seconds to obtain
3 answers
2,485 views
Bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?
5 answers
3,766 views
Vic's Department Store bought a pewter serving set for $1,250. Vic wants to markup the set at 60% of the selling price. The
3 answers
1,329 views
A wooden duck with a regular selling price of $125.99 is marked down to $79.99. The percent of markdown is:
Answer: 36.51% What
4 answers
3,608 views
A local Dunkin donuts makes blueberry muffins that cost $.69 each to make. Past experience shows that 15% of the muffins will
4 answers
4,911 views
How do I factor this:
x^6-124x^3-125
2 answers
483 views
Janet Jones borrowed $3,000 on 90-day 12 percent note. Janet paid $250 toward the note on day 35. On day 80 she paid an
3 answers
1,062 views
Joyce took out a loan for $21,900 at 12 percent on March 18, 2000, which will be due on January 9, 2001. using ordinary
5 answers
7,385 views
What is the molar mass of hydrogen gas, H2?
1 answer
381 views
A certain land area is 340,000 square miles, and it holds a population of 63.1 million people.Calculate the population density.
3 answers
959 views
A wheel rolling at a constant speed has a radius of 15 inches and takes 30 seconds to roll 100 feet along the ground. What is
6 answers
2,011 views
Simplify - 2 / (the 6th root of 81)
2 answers
884 views
Simplify - 2/(the 6th root of 81)
2 answers
952 views
If a man has a mass of 90 kg on earth, what is his mass on the moon?
4 answers
454 views
In our lab we had to experiment with an apparatus in order to find such things as the percent of KClO_3 in the solution..
Assume
2 answers
643 views
1. As a research chimst, you are intrested in studying the extent and type of interactions in aqueous salt solution. As part of
3 answers
1,123 views
during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no
3 answers
1,329 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
3 answers
883 views
Please Help! I tried doing this on my own and got the wrong answer.
Differentiate: y=4/(x-x^2)^(1/4)
1 answer
279 views
Please help!!
Differentiate: y=(x^2-1)^(1/2)/x^2
2 answers
721 views
Which of the practices listed is an example of an activity Native American people might regard as an act of desecration?
6 answers
601 views
A electric circuit board has equally spaced parallel wires with connections at points A, B, C. If the length of AB=3.42 cm, what
2 answers
624 views
Please help!! I keep solving this problem but I keep getting the wrong answer.
Find the derivative of the function: f(x)=
1 answer
340 views
An electric circuit has equally spaced parallel wire with connections A, B, and C. If the length of AP = 3.42 cm, what is the
1 answer
426 views
What would the pressure be if h3 po4 was vaporized in a 20L container at a temperature of 23.5 degrees Celsius?? ( gas law)
1 answer
303 views
What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?
3 answers
616 views
3. There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time,
2 answers
522 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
2 answers
1,074 views
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