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Questions (351)
What is the derivative of tan(1-x)^(1/2)?
1 answer
351 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.
5 answers
774 views
Factors that could threaten or limit core functions of the media
2 answers
762 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 answer
515 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
3 answers
403 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 answer
354 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 answer
664 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 answer
1,297 views
Translate into algebraic exxpression
one third of difference betwen 6 andp is added to 8
1 answer
396 views
translate the give fhrase into algebraic expresion
7 less than sum of 3 and x divided by 5
2 answers
590 views
Directions: Find all solutions of the equation in the interval (0, 2pi)
sin x/2=1-cosx
1 answer
620 views
C6H12 = 9O2 --> 6CO2 = 6H2O + 3,690 kJ
*Personally Balanced* What quantity of heat is produced if 32g of cyclohexane react with
2 answers
2,505 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 answer
571 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 answer
1,138 views
Calculate the partition coefficient of caffeine in water/methylene
chloride from the following data: 10.3 g/100 mL for methylene
1 answer
1,655 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 answer
1,320 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
5 answers
680 views
what does it mean when the question is asking you ¨what was something that ¨stuck with you¨ during the reading of this
10 answers
526 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 answer
472 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,
5 answers
762 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 answer
505 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
2 answers
527 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 answer
721 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 answer
470 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
2 answers
624 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 answer
4,684 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 answer
662 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
2 answers
507 views
In one hour, a factory packaged 150 boxes of light bulbs. Estimate the total number of defective light bulbs packaged that hour
1 answer
522 views
What are the four steps for solving a problem?
1 answer
2,096 views
simplify (1-cot^2x sec^2x) / ( cot^2x)
6 answers
470 views
simplify (1-cot^2x sec^2x) / ( cot^2x)
0 answers
491 views
Do the Counselors, at the Colleges, suppose to give their students good advises, of how to continues, and to further there
1 answer
389 views
Is your health is important to you? YES or NO? WHY? Give me (three) examples!
1 answer
379 views
In the years of Physical Education, Does it helps STESS? YES or NO? WHY?
1 answer
455 views
Why is it very important, to do Creative ART, in school, Colleges, and ETC.?
1 answer
360 views
Is Spanish a Unique Language to learn and to Study? Why?
1 answer
378 views
What are some Leadership Conferences, that are in the State of Georgia?
1 answer
342 views
Why is it very important to manage Ergonomic Factors?
1 answer
347 views
Is Psychology is very important in life? Yes or No? Why?
1 answer
325 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
2 answers
786 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 answer
2,376 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 answer
1,026 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 answer
1,364 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
0 answers
404 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 answer
425 views
If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or
1 answer
417 views
A student dissolved the KHP in 100.0mL of water instead of 50.0mL. Will the molar concentration of the NaOH solution determined
0 answers
802 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 answer
623 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 answer
1,826 views
presto abracadabra, first one then another. who am i?
0 answers
357 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 answer
1,171 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
0 answers
404 views
ph is 4.6, pKa is 4.76 in a .15M buffer solution, what are the concentrations of acid and base?
1 answer
575 views
Your neighbor has fertilized her lawn. Several weeks later, she is alarmed to see that the surface of her ornamental pond, which
5 answers
2,333 views
What should you do when you ,ant sleep
1 answer
478 views
Jared can work 54 math problems in 1 hour. How many problems can he work in
10minutes?
2 answers
679 views
Chemistry HELP - Rates of reaction, redox reactions? 10 points?
An structural isomer of bromobutane (C4H9Br) can be hydrolysed
0 answers
818 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
2 answers
2,649 views
Jud Wheeler signed a contract to purchase 10 acres of land in Idaho from the Krauses.
If Jud offered the Krauses considerably
1 answer
450 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 answer
554 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 answer
469 views
which of the follwing is best definition of science?
A.a body of knwolege gathered throgh experiments. B.a process of accidental
12 answers
5,859 views
Which of the following is the best definition of science.
4 answers
2,764 views
1)We were ________ late when he called.
(all ready,already) 2 ) Ninety________ of the people were voting. (percent,percentage) 3)
1 answer
430 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
0 answers
702 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 answer
508 views
Does intensity increase as amplitude increases? (in reference to SOUND WAVES) Or does it decrease? I'm so confused now. I wrote
1 answer
524 views
How is it possible that the gravel, for example, in a sedimentary rock consists of pieces of both igneous and metamorphic rocks?
1 answer
431 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 answer
404 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
3 answers
1,020 views
Answer check: I got 1.66 x 10^3 g O2
A steel cylinder contains 98.0 moles of oxygen gas at a temperature of 38 degrees C and a
1 answer
1,129 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 answer
1,455 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
0 answers
817 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
0 answers
410 views
Based on the following information below:
Listed price of the house-$329,000 Square feet-3600 Rooms -10 Bed rooms -4 finished
1 answer
521 views
how to determine composition of methanol-water from fractional distillation graph of temp/volume?
1 answer
2,202 views
For two identical satellites in circular motion around the Earth, which statement is true?
a. The one in the higher orbit has
0 answers
739 views
For two identical satellites in circular motion around the Earth, which statement is true?
a. The one in the higher orbit has
0 answers
606 views
For two identical satellites in circular motion around the Earth, which statement is true?
a. The one in the higher orbit has
0 answers
518 views
I'm a left wing:
Left Wing: Support(sometimes radical) change; think that the government should provide more social services such
1 answer
569 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 answer
1,394 views
Left Wing:
Support(sometimes radical) change; think that the government should provide more social services such as education and
3 answers
682 views
Find the rule for 9,16.8, 24.6, 32.4
3 answers
1,511 views
A bag contains 3 red marbles, 5 yellow marbles and 6 orange marbles. Three marbles are drawn and NOT replaced each time.
2 answers
912 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
0 answers
392 views
What are the repulsion of protons from one antoher and the repulsion of electrons from one another responsible for?
0 answers
475 views
How does economic growth occur according to free market capitalist?
1 answer
478 views
What do you think is the most powerful statement of the Narrative Lif Of fredrick Douglass?
1 answer
413 views
Hi I really would appreciate your help.I am freshman in college and I want to be "Women's health nurse pracitioner". However,
4 answers
696 views
How did the Monroe Doctrine affect the relationship between the United States and Latin America?
2 answers
525 views
Pluto’s minimum orbital velocity is 3.7 km/s. What are the values for vP (perihelion velocity) and vA (aphelion velocity)?
2 answers
3,111 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 answer
557 views
What provides the force when a car makes a turn? (This is dealing with centripetal force)
2 answers
424 views
Write skeleton equations for these reactions.
a. hydrogen iodide(g) --> hydrogen(g) + iodine(g) b. aluminum(s)+iodine(s)-->
2 answers
941 views
5y(squared) + 4 = 14
solve quadratic equations by finding square roots
1 answer
482 views
how do i find total pairs shared pair and lone pairs after creating the Lewis Structures
1 answer
489 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 answer
1,219 views
A finance company offers cheaper interest rates if you borrow a larger sum of money for shorter time period. A borrower is
1 answer
457 views
What are the variables, hypothesis, and purpose for both parts of Osmosis and Diffusion AP Lab?
1 answer
599 views
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