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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
411 views
simplify by factoring
�ã90 is this correct? ^3�ã10
3 answers
828 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
582 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
454 views
Is it possible to factor a sum of two squares by using real numbers?
1 answer
415 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
661 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
894 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
586 views
Find if the limit exists.
lim tan(x)/x x->0 Please show how you determined this. Thanks!
1 answer
423 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
653 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
686 views
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
3 answers
633 views
They are going to the park and play or they are going to the park to play. Which one is correct.
2 answers
1,274 views
There are never enough discipline on the playground: someone always is getting hurt. Subject verb agreement.
2 answers
2,077 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
1,293 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
435 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
569 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
479 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
1,483 views
Hi Teachers, will you please check my answers?
1. The speaker’s use of many exclamation points and imperative statements in
7 answers
1,681 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
510 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
1,532 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
438 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
3,599 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
499 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
528 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
459 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
383 views
How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? Answer this question in at
11 answers
2,003 views
Given the consentration of either hrgrogen ion or hydroxide ion, use the product constant of water to calculate the
1 answer
678 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
2,398 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
1,566 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
822 views
3x + 4y = -2 and 2x - 3y = 10
2 answers
337 views
Calculate the pH of a 2.5x10-5 M lithium hydroxide solution.
1 answer
675 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
1 answer
1,177 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
617 views
What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?
2 answers
698 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
358 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
508 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
416 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
706 views
Which of the practices listed is an example of an activity Native American people might regard as an act of desecration?
5 answers
679 views
Please help!!
Differentiate: y=(x^2-1)^(1/2)/x^2
1 answer
783 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
334 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
2 answers
981 views
during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no
1 answer
1,475 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
1,218 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
733 views
If a man has a mass of 90 kg on earth, what is his mass on the moon?
3 answers
516 views
Simplify - 2/(the 6th root of 81)
1 answer
1,080 views
Simplify - 2 / (the 6th root of 81)
1 answer
933 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
2,105 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
1,059 views
What is the molar mass of hydrogen gas, H2?
1 answer
474 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
7,517 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
1,183 views
How do I factor this:
x^6-124x^3-125
1 answer
552 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
5,093 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
3,743 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
1,431 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
3,859 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
2,616 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
1,554 views
What is the difference in mass between a nickel that weighs 4.8 and a nickel that weighs 4.868 ?
1 answer
1,868 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
1,185 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
460 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
646 views
How to write effective Case Study
0 answers
457 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
1,036 views
Suddenly losing his thirst, Mathman decides to check out the festivities, but just then, Frankenstein ran by him screaming,
1 answer
596 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
2,453 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
476 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
1,109 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
575 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
2,868 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
906 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
1,543 views
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math
2 answers
2,531 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
643 views
Simplify x/6 divided by 1/6
I'm not sure how to divide fractions with a variable for the numerator.
1 answer
524 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
533 views
Where can I find good websites to search on the Bodie Lighthouse?
1 answer
765 views
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
8 answers
646 views
In the story, "After Twenty Years" by O. Henry, what is the main character's behavior and feelings about his situation?
1 answer
433 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
757 views
[3(7 + 4) - 2]6
1 answer
234 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
754 views
425g/ 22/g cm * 20cm* 5cm
help
1 answer
311 views
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
1 answer
616 views
Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls
0 answers
658 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
1 answer
1,804 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
1,079 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
2 answers
1,788 views
Why is it necessary to have more than one method for measuring central tendency?
0 answers
663 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
636 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
1,407 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
1,358 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
1,530 views
There are two different formulas or methods that can be used to calculate SS.
a. Under what circumstances is the definitional
0 answers
1,393 views
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