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Questions (351)

What is the derivative of tan(1-x)^(1/2)?
1. 1 answer
2. 363 views
Without using a calculator, decide which of these numbers divide into 2^5 * 3^9 * 7^2 * 13^5 8 17^4 * 19 with no remainder.
1. 5 answers
2. 797 views
Factors that could threaten or limit core functions of the media
1. 2 answers
2. 790 views
So, my teacher wants me to sketch the graph of a system of inequalities but I'm not sure how. Can someone help me? Thank you!3x
1. 1 answer
2. 544 views
What is the ph of a .05 L solution containing .075 mol NH3 and 6.80 g of NH4+ when .025 L of 2 M is added to it? Kb= 1.8 x10^-5
1. 3 answers
2. 416 views
How much .25 molar NAOH would you need to add to 50 mL of 2.85 molar HCl to reach the equivalence point?
1. 1 answer
2. 368 views
1.15 g oh h2O (density 1.00 g/ml) is introduced into an empty 1.00 L container. The seled container is heated to 412 K and .150
1. 1 answer
2. 692 views
A boy and girl sit on a seesaw of length 4m, balanced at its center. The girl sits at the far end and has a mass of 50kg. The
1. 1 answer
2. 1,334 views
Translate into algebraic exxpressionone third of difference betwen 6 andp is added to 8
1. 1 answer
2. 430 views
translate the give fhrase into algebraic expresion7 less than sum of 3 and x divided by 5
1. 2 answers
2. 625 views
Directions: Find all solutions of the equation in the interval (0, 2pi)sin x/2=1-cosx
1. 1 answer
2. 638 views
C6H12 = 9O2 --> 6CO2 = 6H2O + 3,690 kJ*Personally Balanced* What quantity of heat is produced if 32g of cyclohexane react with
1. 2 answers
2. 2,545 views
how i make triangular prism,the dimensions are 6 unit base and 6 unit height,but the entire prism has height of 15 unit
1. 1 answer
2. 580 views
The number y of daily fee golf facilities in the United States from 1995 to 2003 can be represented by the following model where
1. 1 answer
2. 1,170 views
Calculate the partition coefficient of caffeine in water/methylenechloride from the following data: 10.3 g/100 mL for methylene
1. 1 answer
2. 1,692 views
In a very controlled experiment, a student is sure that 0.500 grams of caffeine is dissolved in 125 mL of water. The student
1. 1 answer
2. 1,352 views
Can you help me find the derivative of these problems...Every time I try doing these I don't get the right answer.All of these
1. 5 answers
2. 706 views
what does it mean when the question is asking you ¨what was something that ¨stuck with you¨ during the reading of this
1. 10 answers
2. 542 views
Can someone tell me if I have this right? Thanks!Question: P varies directly as Q can be written as P = kQ. True Or False. My
1. 1 answer
2. 497 views
A ball has been thrown upward. Which of the following is true while the ball is on the way up, after the ball has been released,
1. 5 answers
2. 789 views
A 1 kg hockey puck is sliding on the ice at 5m/s and stops on some dirt in 2 secs. I need to find the coefficient of kinetic
1. 1 answer
2. 528 views
Please help!I can't seem to set this up right At any given temperature 2NO(g) + O2(g) <-> 2NO2 kp=1X10^4 2NO2(g) <-> N2O4
1. 2 answers
2. 557 views
Points C and D are directly across from each other on opposite banks of a river. A boat travels across the river directly from
1. 1 answer
2. 745 views
Find an Equation for the least squares line then use it to find the missing value.(400, 50) (500, 65) (500, 70) (600, 80) (700,
1. 1 answer
2. 499 views
Find an equation of the least squares line, then use it to complete the table.X- 111 169 230 287 335 ? Y- 2 3 4 5 6 7
1. 2 answers
2. 652 views
An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30.°C. How many molecules are there in the gas?6.
1. 1 answer
2. 4,717 views
The molecular mass of oxygen molecules is 32, and the molecular mass of nitrogen molecules is 28. If these two gases are at the
1. 1 answer
2. 700 views
Estimate the total number of years of service of 200 factory workers based on a sample size of n=5 where the years of service
1. 2 answers
2. 517 views
In one hour, a factory packaged 150 boxes of light bulbs. Estimate the total number of defective light bulbs packaged that hour
1. 1 answer
2. 549 views
What are the four steps for solving a problem?
1. 1 answer
2. 2,133 views
simplify (1-cot^2x sec^2x) / ( cot^2x)
1. 6 answers
2. 480 views
simplify (1-cot^2x sec^2x) / ( cot^2x)
1. 0 answers
2. 506 views
Do the Counselors, at the Colleges, suppose to give their students good advises, of how to continues, and to further there
1. 1 answer
2. 403 views
Is your health is important to you? YES or NO? WHY? Give me (three) examples!
1. 1 answer
2. 390 views
In the years of Physical Education, Does it helps STESS? YES or NO? WHY?
1. 1 answer
2. 468 views
Why is it very important, to do Creative ART, in school, Colleges, and ETC.?
1. 1 answer
2. 370 views
Is Spanish a Unique Language to learn and to Study? Why?
1. 1 answer
2. 388 views
What are some Leadership Conferences, that are in the State of Georgia?
1. 1 answer
2. 348 views
Why is it very important to manage Ergonomic Factors?
1. 1 answer
2. 363 views
Is Psychology is very important in life? Yes or No? Why?
1. 1 answer
2. 339 views
For a exploratory interview I need some help... What are all of the didn't kinds of pathways for a Cosmetologist? What is a
1. 2 answers
2. 816 views
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is
1. 1 answer
2. 2,426 views
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is
1. 1 answer
2. 1,063 views
A flag of mass 2.5 kg is supported by a single rope as show in figure 13. a strong horizontal wind exerts a force of 12 N on the
1. 1 answer
2. 1,395 views
how can a relationship between water depth and time to ascend to the water's surface be a function?Explain how the two variables
1. 0 answers
2. 419 views
how can a relationship between water deptg and time to ascend to the waters surface be a function?Explain how the two variables
1. 1 answer
2. 447 views
If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or
1. 1 answer
2. 431 views
A student dissolved the KHP in 100.0mL of water instead of 50.0mL. Will the molar concentration of the NaOH solution determined
1. 0 answers
2. 823 views
Suppose that a ball has a rebound percentage of 75 and the ball is dropped from a height of 5ft onto the concrete below. Make a
1. 1 answer
2. 651 views
Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system. x > ¨C2 y
1. 1 answer
2. 1,862 views
presto abracadabra, first one then another. who am i?
1. 0 answers
2. 372 views
A lead bullet with a mass of 8.50 g traveling at 4.80 x 102 m/s strikes a 2.00 kg block of wood and is embedded in it. Both the
1. 1 answer
2. 1,200 views
If fixed costs are $20,000,000, variable cost per inpatient day are $450, average length of stay is 3.3 days, and volume is
1. 0 answers
2. 426 views
ph is 4.6, pKa is 4.76 in a .15M buffer solution, what are the concentrations of acid and base?
1. 1 answer
2. 584 views
Your neighbor has fertilized her lawn. Several weeks later, she is alarmed to see that the surface of her ornamental pond, which
1. 5 answers
2. 2,356 views
What should you do when you ,ant sleep
1. 1 answer
2. 491 views
Jared can work 54 math problems in 1 hour. How many problems can he work in10minutes?
1. 2 answers
2. 705 views
Chemistry HELP - Rates of reaction, redox reactions? 10 points?An structural isomer of bromobutane (C4H9Br) can be hydrolysed
1. 0 answers
2. 847 views
A 20-year, $1,000 par value bond has a 9% annual coupon. The bond currently sells for $925. If the yield to maturity remains at
1. 2 answers
2. 2,670 views
Jud Wheeler signed a contract to purchase 10 acres of land in Idaho from the Krauses.If Jud offered the Krauses considerably
1. 1 answer
2. 480 views
When designing a pattern, Erica rotated a triangle 90 degrees about the midpoint of one side to create a second triangle. If the
1. 1 answer
2. 575 views
what is an hypothesis.a. a prediction b.a collection of data c.a possible explanation tha can be tested d. a controlled
1. 1 answer
2. 492 views
which of the follwing is best definition of science?A.a body of knwolege gathered throgh experiments. B.a process of accidental
1. 12 answers
2. 5,895 views
Which of the following is the best definition of science.
1. 4 answers
2. 2,786 views
1)We were ________ late when he called.(all ready,already) 2 ) Ninety________ of the people were voting. (percent,percentage) 3)
1. 1 answer
2. 463 views
What determines the color of obkects that emit light and what determines the color of objects that do not?I wrote that color of
1. 0 answers
2. 749 views
This is for my science hw:Sound in an empty room can be very loud, with many echoes. Describe three ways to make the room
1. 1 answer
2. 534 views
Does intensity increase as amplitude increases? (in reference to SOUND WAVES) Or does it decrease? I'm so confused now. I wrote
1. 1 answer
2. 564 views
How is it possible that the gravel, for example, in a sedimentary rock consists of pieces of both igneous and metamorphic rocks?
1. 1 answer
2. 452 views
Denzal's first 3 scores in math were 90,100,90.a.what must Denzal score on his fourth test to keep his mean score at 90 or
1. 1 answer
2. 422 views
A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 3.80 m to the north, 1.90 m
1. 3 answers
2. 1,052 views
Answer check: I got 1.66 x 10^3 g O2A steel cylinder contains 98.0 moles of oxygen gas at a temperature of 38 degrees C and a
1. 1 answer
2. 1,168 views
Potassium has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate needs
1. 1 answer
2. 1,488 views
Potassium has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate needs
1. 0 answers
2. 853 views
Use the intersect command on a graphing utility to solve the following equation for the indicated value of b.X^3-218x=b b=2504
1. 0 answers
2. 439 views
Based on the following information below:Listed price of the house-$329,000 Square feet-3600 Rooms -10 Bed rooms -4 finished
1. 1 answer
2. 548 views
how to determine composition of methanol-water from fractional distillation graph of temp/volume?
1. 1 answer
2. 2,216 views
For two identical satellites in circular motion around the Earth, which statement is true?a. The one in the higher orbit has
1. 0 answers
2. 753 views
For two identical satellites in circular motion around the Earth, which statement is true?a. The one in the higher orbit has
1. 0 answers
2. 637 views
For two identical satellites in circular motion around the Earth, which statement is true?a. The one in the higher orbit has
1. 0 answers
2. 528 views
I'm a left wing:Left Wing: Support(sometimes radical) change; think that the government should provide more social services such
1. 1 answer
2. 585 views
At what separation is the electrostatic force between a +11.5 \mu C point charge and a +29.2 \mu C point charge equal in
1. 1 answer
2. 1,423 views
Left Wing:Support(sometimes radical) change; think that the government should provide more social services such as education and
1. 3 answers
2. 711 views
Find the rule for 9,16.8, 24.6, 32.4
1. 3 answers
2. 1,534 views
A bag contains 3 red marbles, 5 yellow marbles and 6 orange marbles. Three marbles are drawn and NOT replaced each time.
1. 2 answers
2. 952 views
showing a circle with centre 0. 0M and 0N meet the chords PR and RS perpendicularly at M and N respectively Given that PR=12cm
1. 0 answers
2. 404 views
What are the repulsion of protons from one antoher and the repulsion of electrons from one another responsible for?
1. 0 answers
2. 492 views
How does economic growth occur according to free market capitalist?
1. 1 answer
2. 487 views
What do you think is the most powerful statement of the Narrative Lif Of fredrick Douglass?
1. 1 answer
2. 427 views
Hi I really would appreciate your help.I am freshman in college and I want to be "Women's health nurse pracitioner". However,
1. 4 answers
2. 724 views
How did the Monroe Doctrine affect the relationship between the United States and Latin America?
1. 2 answers
2. 545 views
Pluto’s minimum orbital velocity is 3.7 km/s. What are the values for vP (perihelion velocity) and vA (aphelion velocity)?
1. 2 answers
2. 3,143 views
14.how would you describe this set of data? In other words, how would you describe the “average” score (mean, median or mode
1. 1 answer
2. 599 views
What provides the force when a car makes a turn? (This is dealing with centripetal force)
1. 2 answers
2. 442 views
Write skeleton equations for these reactions.a. hydrogen iodide(g) --> hydrogen(g) + iodine(g) b. aluminum(s)+iodine(s)-->
1. 2 answers
2. 980 views
5y(squared) + 4 = 14solve quadratic equations by finding square roots
1. 1 answer
2. 508 views
how do i find total pairs shared pair and lone pairs after creating the Lewis Structures
1. 1 answer
2. 514 views
an arrow is fired horizontally at a target 30 meters away. The bullseye is at the same level as the bow. The initial speed of
1. 1 answer
2. 1,244 views
A finance company offers cheaper interest rates if you borrow a larger sum of money for shorter time period. A borrower is
1. 1 answer
2. 476 views
What are the variables, hypothesis, and purpose for both parts of Osmosis and Diffusion AP Lab?
1. 1 answer
2. 613 views

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