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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
387 views
simplify by factoring
�ã90 is this correct? ^3�ã10
3 answers
806 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
540 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
423 views
Is it possible to factor a sum of two squares by using real numbers?
1 answer
390 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
628 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
859 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
555 views
Find if the limit exists.
lim tan(x)/x x->0 Please show how you determined this. Thanks!
1 answer
400 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
610 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
642 views
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
3 answers
590 views
They are going to the park and play or they are going to the park to play. Which one is correct.
2 answers
1,244 views
There are never enough discipline on the playground: someone always is getting hurt. Subject verb agreement.
2 answers
2,053 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
1,238 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
417 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
540 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
445 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
1,445 views
Hi Teachers, will you please check my answers?
1. The speaker’s use of many exclamation points and imperative statements in
7 answers
1,635 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
488 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
1,484 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
420 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
3,562 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
463 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
492 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
435 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
362 views
How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? Answer this question in at
11 answers
1,938 views
Given the consentration of either hrgrogen ion or hydroxide ion, use the product constant of water to calculate the
1 answer
643 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
2,354 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
1,516 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
787 views
3x + 4y = -2 and 2x - 3y = 10
2 answers
321 views
Calculate the pH of a 2.5x10-5 M lithium hydroxide solution.
1 answer
662 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
1 answer
1,123 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
583 views
What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?
2 answers
674 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
335 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
476 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
392 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
668 views
Which of the practices listed is an example of an activity Native American people might regard as an act of desecration?
5 answers
650 views
Please help!!
Differentiate: y=(x^2-1)^(1/2)/x^2
1 answer
760 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
316 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
2 answers
944 views
during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no
1 answer
1,424 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
1,195 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
708 views
If a man has a mass of 90 kg on earth, what is his mass on the moon?
3 answers
493 views
Simplify - 2/(the 6th root of 81)
1 answer
1,057 views
Simplify - 2 / (the 6th root of 81)
1 answer
915 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
2,070 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
1,022 views
What is the molar mass of hydrogen gas, H2?
1 answer
423 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
7,468 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
1,133 views
How do I factor this:
x^6-124x^3-125
1 answer
527 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
5,049 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
3,707 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
1,399 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
3,827 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
2,566 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
1,515 views
What is the difference in mass between a nickel that weighs 4.8 and a nickel that weighs 4.868 ?
1 answer
1,832 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
1,143 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
429 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
613 views
How to write effective Case Study
0 answers
440 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
989 views
Suddenly losing his thirst, Mathman decides to check out the festivities, but just then, Frankenstein ran by him screaming,
1 answer
569 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
2,396 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
454 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
1,083 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
549 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
2,830 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
875 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
1,499 views
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math
2 answers
2,489 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
617 views
Simplify x/6 divided by 1/6
I'm not sure how to divide fractions with a variable for the numerator.
1 answer
500 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
499 views
Where can I find good websites to search on the Bodie Lighthouse?
1 answer
734 views
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
8 answers
613 views
In the story, "After Twenty Years" by O. Henry, what is the main character's behavior and feelings about his situation?
1 answer
412 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
716 views
[3(7 + 4) - 2]6
1 answer
217 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
721 views
425g/ 22/g cm * 20cm* 5cm
help
1 answer
297 views
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
1 answer
586 views
Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls
0 answers
631 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
1 answer
1,776 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
1,040 views
Use summation notation to express each of the following calculations:
a. Add 1 point to each score, then add the resulting
2 answers
1,758 views
Why is it necessary to have more than one method for measuring central tendency?
0 answers
633 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
602 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
1,377 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
1,321 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
1,486 views
There are two different formulas or methods that can be used to calculate SS.
a. Under what circumstances is the definitional
0 answers
1,364 views
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