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jerson
Questions and answers by visitors named
jerson
Questions (161)
use a graphing calculator use the graph y=e^x to evaluate e^1.7 to four decimal places.
6 answers
4,085 views
a flask containing 155cm^3 of hydrogen was collected under a pressure of 22.5 kPa. what pressure would have been required for
4 answers
621 views
gont get it.. To what temp must a sample of nitrogen at 27 degrees C and 0.625 atm be taken so that its pressure becomes 1.125
10 answers
2,687 views
Use Charles Law to solve for the missing value of each of the following a) 80.0 mL, T1= 27 degrees C, T2=77 degrees C. V2 =?
b)V1
7 answers
4,024 views
for this question A sample of air has a volume of 140.0 mL at 67 degrees celcius. At what temperature would its volume 50.0 mL
10 answers
815 views
A gas has pressure of 4.62 atm when its volume is 2.33 L if the temperature remains constant, what will the pressure be when the
2 answers
541 views
How many moles of helium gas would it take to fill a balloon with a volume of 1000.0 cm^3 when the temp is 32 degrees C and the
10 answers
2,438 views
1 what's the Tyndall Effect and whats one example of this effect?
2) Given an unknown mixture consisting of two or more
2 answers
710 views
determine the solubility of each of the following grams of solute per 100. g H2O
a) NaNO3 at 10°C b) KNO3 at 60°C c) NaCL at
3 answers
1,689 views
the sequence 29, 31, 33, 35, 37.... 49 has 11 terms. Evaluate the related series..
my teacher said its 429 don't see how she got
3 answers
1,179 views
does the infinite geometric series diverge or converge?
1/7 + 1/14 + 1/28 + 1/56 +
2 answers
1,086 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
2 answers
525 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
1 answer
920 views
Find the probability of x=4 sucesses in n=9 trials for the probability of succes p=0.6 on each trial. Round to the nearest
9 answers
389 views
Find the sample size that produces the margin of error ± 3.0%
1 answer
465 views
Find the sample size that produces the margin of error ± 3.0%
2 answers
635 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
3 answers
613 views
how many orbital orientations are possible in each of the s, p, d, and f sublevels?
b) how does 2s orbital differ from a 1s
3 answers
1,185 views
Write both the complete electron-configuration notation and the noble-gas notation for each of the elements below
a. Na b. Sr c.
7 answers
5,830 views
Find the exact value of cot 45°, if the expression is undefined write undefined.
5 answers
1,550 views
Write the measure in radians. Express the answer in terms of ð
-260°
4 answers
675 views
sketch one cycle of y=-3 sin 0
i know you guys wouldnt be able to draw it for me on here, but is this able to do on a graphing
2 answers
1,131 views
how is the periodic law demonstrated within the groups of the periodic table?
also I need help writing the noble gas notation for
1 answer
1,068 views
of cesium, Cs, hafnium, Hf, and gold, Au, which element has the smallest atomic radius? explain in terms of trends in periodic
3 answers
1,824 views
give electron configuration for a> Na
b) Na+ c) O d)O ^2-
3 answers
398 views
what are the components of one formula unit of CaF2?
2 answers
1,033 views
where on the periodic table are most natural radioactive nuclides located?
2 answers
518 views
what changes in atomic number and mass number occur in a positron emmision of radioactive decay?
1 answer
375 views
evaluate the logarithm log 5 1/625
3 answers
2,861 views
solve log 3x + log9=0 round to nearest hyndredth if necessary
3 answers
836 views
how much money is invested at 5% compounded continuously for 3 years will yield $820?
7 answers
14,391 views
solve equation g+4/g-2=g-5/g-8
another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards
4 answers
1,214 views
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous
4 answers
1,266 views
identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse
2 answers
599 views
solve equation g+4/g-2=g-5/g-8
last one still don't get answer my teacher got was 14, however i got 22.. what was my mistake?
3 answers
898 views
identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse
4 answers
848 views
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous
9 answers
7,352 views
write the explicit formula for the sequence 7,2,-3,-8,-13 and find a 14
3 answers
1,566 views
evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is there a way to put this in calculator.
another ? use a
2 answers
969 views
why can the owner of a business withdraw assets from that business for personal use?
b. why would the owner withdraw assets other
1 answer
654 views
what makes studying archaeology so hard?
1 answer
341 views
walking upright has advantages and disadvantages for our human ancestors what are they?
1 answer
396 views
why can the owner of a business withdraw assets from that business for personal use?
b. why would the owner withdraw assets other
4 answers
6,779 views
i have 2 questions
1) how did Neolithic Age add to the segregation of the sexes? 2) to be "civilized",( according to historians),
3 answers
408 views
how did the neolithic age add to the segregation of the sexes?
how do new ideas or inventions end up spreading?
1 answer
430 views
what were some symbolic behaviors of the Neanderthals?
what are the theories about what happened to the neanderthals why did they
3 answers
396 views
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81.
1 answer
489 views
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81.
3 answers
500 views
i found most of my questions. i still need to know to be civilized (according to historians) what has to be present?
3 answers
476 views
suppose h i equals the number of points lindsey scored in the ieth basketball game so far this season, and h1=14, h2=12, h3=18,
2 answers
900 views
consider the model y=4/9x + 7/3 for the relation between price and quality of chewing gum. a) what does the slope mean? b) use
3 answers
576 views
the thickness of a book is determined by the thickness of its cover and its pages. the front and back covers of a book like this
3 answers
1,578 views
run this program given in the lesson to find factors of a) 105, b) 197, and c) 7128
Describe in words the function of f(x) =x -
1 answer
396 views
let f(x) =4x^4-6 evaluate f(3)
3 answers
329 views
a student fitted the line l to the data points (0,3), (2,3.6) (3,6), 6,3) find the center of gravity
1 answer
325 views
for a set of data, the line best fit is given by the y-0.697x + 3.431 anr r^2 = .325. what is the correlation co efficient
1 answer
418 views
the points (0,3), (1.8, -.365), (2, -.79) (4.5, -1.923) li on a line. Write the equation of the line in slope intercept form.
1 answer
388 views
consider the function f(x)4x^2 -2x-1 find the x intercepts
1 answer
267 views
for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient
1 answer
378 views
find the inverse of y=6x + 3
1 answer
310 views
the viewing window is defined by -3 is less than or equal to x is less than or equal to 7 and 10 is less than or equal to y is
2 answers
893 views
how are athens and sparta similar and different?
2 answers
552 views
a ship has maintained a bearing of 47 degrees. ( a bearing is the angle measured clockwise from due north)
a) how far has the
4 answers
1,795 views
for y/3= sin x/4 give the period, the amplitude, and the shift if it exists
1 answer
394 views
for the graph of y=-5sin x/2, state frequency
4 answers
585 views
the formula log w= -2.866 + 2.722 log h estimates the normal weight w in pounds of a girl h inches tall. Estimate the normal
4 answers
1,031 views
evaluate log3 27
3 answers
734 views
if P(A)=.63 in an experiment then determine P (not A)
1 answer
280 views
a) the cash payments journal used in this problem has only 3 special amount columns. Under what circumstances would you
1 answer
440 views
for the geometric series shown, state whether the series in convergent. If the series is convergent, give the sum
9 +6.3 + 4.41
4 answers
864 views
expand (x + y)^5
1 answer
369 views
find the limit of the sequence if it exists
tn= 6/n
1 answer
305 views
for the geometric series shown, state whether the series in convergent. If the Series is convergent give its sum
9+6.3 +4.41 +...
4 answers
477 views
find the limit of the sequence if it exists
tn= 6/n
1 answer
257 views
find the sum of all integers n from 300 to 400.
1 answer
321 views
use the function G(x)=x^3-8x +1
b) identify and verify the y intercept of G c) estimate the zeros of G to the nearest tenth d)
4 answers
977 views
Suppose p (x) is a polynomial with real coefficients and p (4 + 9i)=0. What is p(4-9i)?
2 answers
603 views
a) find the zeros of t(x) =2x^2 + ix + 3.
b) The zeros are not complex conjugates. Explain why this does not contradict with the
2 answers
579 views
approximate to the nearest hundredth the smallest positive x-intercept of the graph of x^4-5x^3+3x^2-9?
1 answer
352 views
solve x^5-16=0 completely given that 2 solutions is 1 (hint there are 4 zeros)
3 answers
316 views
in mideieval city how do servants and apprentices fit into the eating schedule?
how was an average toilet system?
1 answer
322 views
what percent of the area between f(x)=e^-x2 and the x axis is between x=-2 and x =2
1 answer
290 views
what percedure would not require the separate record for collecting and accounting for sales taxes, yet comply with a state's
1 answer
420 views
is there any percedure would not require the separate record for collecting and accounting for sales taxes, yet comply with a
3 answers
419 views
A carpenter needs to add a handrail to the staircase shown. The handrail needs to be parallel to the staircase. Each step is 9
1 answer
477 views
evaluate P(z < -1.68)
1 answer
397 views
find an exact value for sin 15 degrees
1 answer
366 views
A and B are accute angles with sin A =0.7 and cos B= 0.4. Find sin(A-B)
1 answer
289 views
The matrix A has dimensions 3 x 4. The matrix B has dimensions 3 x 2 Give the dimensions of matrix C if AB=B
3 answers
472 views
which one doesn't belong out of these 4 and why displays, advertising, owners manual, or charge accounts and why?
4 answers
401 views
what is the economic stimulus package and what implications would it have on peopleof this country?
1 answer
283 views
are many people happy with the stimulus package
1 answer
319 views
is it hopeful that we will come out of this recession
3 answers
318 views
how did Fort Repose adapt to the changes after The Day?
1 answer
365 views
explain the role of government in a free enterprise system?
2 answers
785 views
How did Fort Repose adapt to the changes after The day?
1 answer
337 views
whats the us governments role as regulator and who do they protect?
1 answer
292 views
We has to read a book called alas babylon and we has to write an essay about how did fort repose adapt to the changes after the
3 answers
477 views
ok my topic is If you could do anything without getting in trouble what would it be.
we have to write an introduction first then
2 answers
588 views
this is kinda similar to last nights question
We have to write an introduction, thesis, and now part of the body My topic was if
2 answers
596 views
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