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Please help! I am stuck on this one.
Need to simplify the expression. Assuming all variables are real numbers. ∛(27(x+2)^3) my
1 answer
407 views
simplify by factoring
�ã90 is this correct? ^3�ã10
3 answers
824 views
please help. I am not sure if this is correct. I need to simplify this to the lowest terms
a^2 - 4b ^2 _____ ______ a+2b a+2b my
2 answers
575 views
Please help I am so confused...
Question: supposed that y is directly proportional to x. a) use the given info to find constant
3 answers
448 views
Is it possible to factor a sum of two squares by using real numbers?
1 answer
412 views
The Treaty of Versailles, explain what it was and why the United States refused to sign it. Predict how the missing signature of
1 answer
656 views
The U.S. population is approximated by the function
P(t) = 556 1 + 3.72e−0.5t where P(t) is measured in millions of people and
2 answers
888 views
Joe drank 4 liters of water on Monday and 4 deciliters of water on Tuesday. How much more water did he drink on Monday than on
2 answers
577 views
Find if the limit exists.
lim tan(x)/x x->0 Please show how you determined this. Thanks!
1 answer
419 views
Find an equation of the line that is tangent to the graph of f and parallel to the given line.
Funtion: f(x)=1/sqrt(x-1) Line:
1 answer
643 views
I have two similar problems that I need help completing. Please show all your work.
Question: Find the limit L. Then use the
2 answers
678 views
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
3 answers
627 views
They are going to the park and play or they are going to the park to play. Which one is correct.
2 answers
1,266 views
There are never enough discipline on the playground: someone always is getting hurt. Subject verb agreement.
2 answers
2,071 views
This is really confusing. I know how to do the equilibrium which also has to do with reaction rates but they didb't give it to
1 answer
1,284 views
Will someone please help me withthis question I couldn't solve it. What is the length of the segment whose endpoints are A(2, 3)
1 answer
432 views
Find the volume of the solid generated by the region in the first quadrant bounded above by the 3x+y=6, below by the x-axis, and
1 answer
564 views
Hi Teachers,
I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his
4 answers
473 views
Hi Teachers, will you please check my answers? The arrows indicate my answers. Am I right?
1. The speaker’s use of many
2 answers
1,477 views
Hi Teachers, will you please check my answers?
1. The speaker’s use of many exclamation points and imperative statements in
7 answers
1,674 views
Find the volume of the solid of revolution by roating the region R about the y-axis. Write the answer as a multiple of pi.
y=
1 answer
504 views
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed?
33.4 J 334
2 answers
1,525 views
I have to choose the sentence that has no error in italics. (Italicized)
a)Their lawyers are handling the case pro bono and not
2 answers
432 views
A container is in the shape of an inverted right circular cone has a radius of 2 in at the top and a height of 6 in. At the
2 answers
3,593 views
Find the third Derivative of
f(x)=x(3x-7)^3 The answer is 3x-1134 but I attempted the problem multiple times and I keep ending up
2 answers
493 views
Hi helper, I used permutation for the following question. How can i use combination to find the answer? Help me please!
There are
1 answer
524 views
Use the formula d=rt to find the value of the missing variable
d=42 feet, t=14 seconds then r= ft. second
3 answers
451 views
Please help not understanding this question.
If the cost of a cell phone has decreased 400% during the past 10 years, does that
0 answers
378 views
How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? Answer this question in at
11 answers
1,996 views
Given the consentration of either hrgrogen ion or hydroxide ion, use the product constant of water to calculate the
1 answer
673 views
If a total of 13.5 mol of NaHCO3 and 4.5 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?
3NaHCO3(aq) +
1 answer
2,387 views
The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the
1 answer
1,558 views
The total charge in an electrical circuit as a function of time is given by q=t/t^2+1 coulombs. Find the maximum charge q.
Please
2 answers
815 views
3x + 4y = -2 and 2x - 3y = 10
2 answers
331 views
Calculate the pH of a 2.5x10-5 M lithium hydroxide solution.
1 answer
669 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
1 answer
1,168 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,
1 answer
609 views
What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?
2 answers
692 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
353 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
502 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
411 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
1 answer
697 views
Which of the practices listed is an example of an activity Native American people might regard as an act of desecration?
5 answers
673 views
Please help!!
Differentiate: y=(x^2-1)^(1/2)/x^2
1 answer
778 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
331 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
2 answers
974 views
during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no
1 answer
1,469 views
1. As a research chimst, you are intrested in studying the extent and type of interactions in aqueous salt solution. As part of
1 answer
1,211 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
1 answer
728 views
If a man has a mass of 90 kg on earth, what is his mass on the moon?
3 answers
510 views
Simplify - 2/(the 6th root of 81)
1 answer
1,073 views
Simplify - 2 / (the 6th root of 81)
1 answer
928 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
5 answers
2,097 views
A certain land area is 340,000 square miles, and it holds a population of 63.1 million people.Calculate the population density.
1 answer
1,052 views
What is the molar mass of hydrogen gas, H2?
1 answer
461 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
3 answers
7,511 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
1 answer
1,170 views
How do I factor this:
x^6-124x^3-125
1 answer
548 views
A local Dunkin donuts makes blueberry muffins that cost $.69 each to make. Past experience shows that 15% of the muffins will
1 answer
5,087 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
1 answer
3,738 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
1 answer
1,425 views
Bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?
3 answers
3,851 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
1 answer
2,606 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
2 answers
1,548 views
What is the difference in mass between a nickel that weighs 4.8 and a nickel that weighs 4.868 ?
1 answer
1,860 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
3 answers
1,176 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
3 answers
454 views
Show all work
If $7,500 is invested in a savings account earning 5% interest compunded quarterly, how many years will pass until
1 answer
642 views
How to write effective Case Study
0 answers
453 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
4 answers
1,025 views
Suddenly losing his thirst, Mathman decides to check out the festivities, but just then, Frankenstein ran by him screaming,
1 answer
591 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
2 answers
2,440 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
4 answers
469 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
2 answers
1,102 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)
3 answers
571 views
How many liters of 80% hydrochloric acid must be mixed with 40% hydrochloric acid to get 15 liters of 65% hydrochloric acid?
4 answers
2,863 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.
2 answers
899 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
2 answers
1,537 views
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math
2 answers
2,524 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
1 answer
638 views
Simplify x/6 divided by 1/6
I'm not sure how to divide fractions with a variable for the numerator.
1 answer
521 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
2 answers
527 views
Where can I find good websites to search on the Bodie Lighthouse?
1 answer
759 views
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
8 answers
639 views
In the story, "After Twenty Years" by O. Henry, what is the main character's behavior and feelings about his situation?
1 answer
428 views
How many milliliters of 3.6 M HCl must be transfered from a reagent bottle to provide 20 g HCl for a reaction?
Answer in units of
1 answer
750 views
[3(7 + 4) - 2]6
1 answer
229 views
simplify the difference quotient:
f(x+h)-f(x), (h ≠ 0) as much as possible when f(x)=5x^2+4x+6
3 answers
746 views
425g/ 22/g cm * 20cm* 5cm
help
1 answer
307 views
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
1 answer
610 views
Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls
0 answers
651 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
1 answer
1,798 views
Oxytocin is a naturally occurring brain chemical that is nicknamed the “love hormone” because it seems to play a role in the
1 answer
1,073 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
2 answers
1,781 views
Why is it necessary to have more than one method for measuring central tendency?
0 answers
657 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
0 answers
627 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
1 answer
1,402 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)
3 answers
1,353 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.
2 answers
1,523 views
There are two different formulas or methods that can be used to calculate SS.
a. Under what circumstances is the definitional
0 answers
1,386 views
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