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sarah
Questions and answers by
sarah
Questions (1,217)
An ant starts at position (0, 0) and walks north, east, south or west, one unit at a time.
How many di erent paths of length 8
5 answers
asked by
sarah
2,897 views
A child is standing on a platform of a station.
A train travelling at 30m/s takes 3.0 secs to pass the child.What is the length
7 answers
asked by
sarah
9,073 views
find the permeter of a parallelogram whose base is 6cm and side 5cm
5 answers
asked by
sarah
1,718 views
Sam owns a triangular piece of land on which the tax collector wishes to determine the correct property tax. Sam tells the
4 answers
1,778 views
Austin is creating a new trail mix by
combining two of his bestselling blends. A pineapplecoconutmacadamia (pcm)
7 answers
3,108 views
If two angles are supplementary, then their sines are equal. Explain why. What about the cosines of supplementary angles? If you
5 answers
3,268 views
Four darts are thrown at this dartboard. If all four darts hit the board, how many different point totals are possible?
there are
10 answers
asked by
sarah
8,052 views
Can one calculate the number of moles of air? If so, calculate the number of moles in 1 kg of air (making sure your calculation,
9 answers
3,308 views
So it's been a long time since I've done a research paper. I wanted to see if someone could help me put my topic into a thesis
2 answers
976 views
my teacher says i have remarkably poor grammar i need help
2 answers
589 views
an object weighing 15 newtons is lifted from the ground to a height of 0.22 meter. What is the approximate increase in the
5 answers
2,505 views
A jumbo jet must reach a speed of 360 km/h on the runway for takeoff. What is the least constant acceleration needed for takeoff
3 answers
1,011 views
a rocket propeled sled moved along a track at 1020km/h He and the sled were brought to a stop in 1.4s In g units what
1 answer
333 views
A car traveling 56 km/h is 24 m from a barrier when the driver slams on the brakes. The car hits the barrier 2s later
a) what is
1 answer
1,037 views
How many molecules of glycerol (C3, H8, O3) would be present in 1 L of M glycerol solution?
I am thinking it is 6.02 x 10^23 but
3 answers
1,521 views
I have three questions. The first one I got an ansser of 6.02 X 10^23. The question is this.
How many molecules of sucrose
3 answers
835 views
a polysaccharide is made up of which monomers?
a protein is made up of which monomers a triacylglycerol is made up of which
1 answer
897 views
i need to know what is on the blank of peninsula?
I don't understand your question. Please clarify. A peninsula is land that is
3 answers
1,179 views
i need to know what is on the peninsula
Which peninsula? Please explain. I don't know About THE Growing of Consumer Market i
2 answers
495 views
a person stands on a bathroom scale in a motionless elevator. when the elevator begins to move, the scale briefly reads only .75
1 answer
845 views
the number of noncollinear points needed to determine a circle
Two. The location of the center, and one point on the circle (ie,
1 answer
685 views
the radius of a circle when the numeric values of the circumference and the area are equal
PI r^2= 2PI r r^2- 2r=0 (r-0)(r-2)=0
1 answer
422 views
the last two digits of 5 to the 347th power
5^1= 5 5^2 =25 5^3=125 5^4=625 5^5=3125 5^6=15625 do you see a pattern? 5 raised to
1 answer
292 views
the only perfect number of the form y to the power of n + x to the power of y
the answer is 28. 1 to the power of 3 plus 3 to the
1 answer
399 views
the only perfect number of the form (x to the power of n) + (y to the power of n)
Perfect numbers have the form
1 answer
411 views
four 9.5kg spheres are located at the corners of a square of side 0.60m. calculate the magnitude and direction of the total
4 answers
1,141 views
Find three different ordered pairs that are solutions of the question
x=2 and you have to use -1,0,1 for thje subsitut of y or x
1 answer
494 views
how do you do ionic equations
Do you mean net ionic equations?
1 answer
388 views
which type of microbe reproduces by producing spores?
Bacteria can reproduce by spores when the environment becomes harsh.
1 answer
1,223 views
According to the US Constitution, Congress has the pwer to do all the following except:
a regulate foreign and interstate trade b
1 answer
574 views
i have a debate tomorrow at school and need tips on rebuttal and how to coclude/summarise my teams arguments. our topic is "the
9 answers
652 views
was there a king of dahomey in 1598?
http://en.wikipedia.org/wiki/Ouidah
1 answer
391 views
what was the connection between the kingdom of dahomey and philip II of spain?
http://en.wikipedia.org/wiki/Dahomey
1 answer
432 views
Write a paragraph under the title " good words are full of flavor"
Sarah, We do not do your homework for you. We will be happy to
1 answer
1,225 views
If the kinetic energy of a 0.62kg stone is 2.3J at its highest point and 9.4J at its lowest point how do I calculate the height
1 answer
467 views
If a 12V battery supplies an electric current of 13A, how do I work a the power supplied?
resistance = R = E/I = 12v/13A Then
1 answer
517 views
How do work out what the empirical formula for aluminium selenide is?
You need to provide the data. It's easier to explain with
1 answer
447 views
Would you say that the diction is simple and straight forward? The text is pretty easy to read and comprend. Steinbeck's style
1 answer
552 views
A 6100 kg rocket is set for vertical firing from the ground. If the exhaust speed is 1200 m/s how much gas must be ejected each
1 answer
588 views
A 4 kg mass is sliding on a fricitonless surface and explodes into two, 2 kg parts. One moving at 3 m/s due north and the other
2 answers
1,168 views
A vessel at rest explodes breaking into three pieces. Two pieces, having equal mass fly off perpendicular to one another with
1 answer
929 views
What is the valency of selenium in hydrogen selenide?
Consider what selenium's group is in the periodic table. There is oxygen
1 answer
547 views
What is the empirical formula for aluminium selenide?
What is the common oxidation state of aluminum? Combine that information
1 answer
695 views
What is a balanced equation for the reaction of aluminium selenide with water?
Assume that aluminum hydroxide and hydrogen
1 answer
419 views
Why is the molecular formula of a gas not necessarily the same as its empirical formula?
answered above.
1 answer
419 views
Why is the molecular formula of a gas not necessarily the same as its empirical formula?
At higher temperatures, those that
1 answer
552 views
how do i convert a fraction to a deciaml??
a) -2 2/5 ?? Divide the numerator of the fraction by the denominator
1 answer
745 views
how do i convert a fraction to a deciaml??
a) -2 2/5 ?? Divide the denominator into the numerator 2 divided by 5 = 0.4 Add the
2 answers
537 views
how do i convert a decimal to fraction in SIMPLEST FORM?
a) -2.756 ?? Write out the 0.756 as 756/1000, then reduce it to lower
3 answers
826 views
-22 2/5 - 1 1/4 x (-2 1/2) =
How do i work that out?? Decide which operation to perform first. Your single pair of parentheses
1 answer
429 views
-22 2/5 - 1 1/4 x (-2 1/2) =
How do i work that out?? Duplicate post; already answered.
1 answer
413 views
What is the positively charged ion present in an aqueous solution of H2SEO3?
hydronium. (H30<sup>+</sup>
1 answer
398 views
What would the charge be of the ion formed by this equation?
H2SeO3(aq)==> 2H(aq) + SeO3(aq) The SeO3 ion has a negative two
1 answer
392 views
At 650 degree C and a pressure of 690mm HG, the 0.927g sample has a volume of 194cm3.
How do I calculate the volume at the same
1 answer
1,050 views
Why does this equation account for the fact that the gas volume is unchanged?
H2Se + Sn ==> SnSe + H2 H2Se and H2 are gases. Sn
1 answer
406 views
Temp - 650
Pressure - 760mm Hg mass - 0.927g volume - ? I need to work out the volume I know that Pv=nRT but I just can't figure
1 answer
489 views
How do I determine the molecular formula of a gas?
It depends on what information you have. I have the empirical formula and
1 answer
496 views
Please can someone help me before i pull all my hair out i've been struggling with this for about a week
CH2=CH-CH-OH ________'
1 answer
439 views
i need to deduce the type of bonding that holds sodium cyanide together
and write a balanced equation for sodium cyanide
1 answer
734 views
Please can someone help me before i pull all my hair out i've been struggling with this for about a week
CH2=CH-CH-OH ________'
1 answer
410 views
plz hep can you please tell me toms contractial rights
Tom, a new director has found he has not been re-imbursed for expenses he
1 answer
363 views
if company cannot change the consitution can the comany take shares from robert?
Robert acquired 2000 shares in his own name and
1 answer
439 views
Conduct Break-Even Analysis in the following two scenarios:
R Squared is a mobile diagnostic imaging company that performs MRI
1 answer
538 views
sin x multiply by csc x= 1 true or false?
sin x * csc x=1 is true this is because sin=opposite/hypotenuse and csc is the
1 answer
876 views
how can I find out what are the class share of holders rights are
Since this is not my area of expertise, I searched Google under
1 answer
509 views
plz help how can i find out if a company cannot change the constitution can the campany take share from Directors
1 answer
423 views
Can someone help me find the exact value of 4csc(3pi/4)-cot(-pi/4)?
Thanks! cotx =1/tanx cscx = 1/sinx If you find it easier to
1 answer
696 views
I have one more question I don't understand. It's a multiple choice question. I need to pick which of the following describes
1 answer
554 views
A shop reduces all its prices by 30% in a closing down scale. What is the original price of a television now priced at £175?
can
1 answer
440 views
how do i slove this equation??
x ^2 – x = 0 First you can factor it. x(x-1) = 0 In order for their product to = 0, one of the
1 answer
799 views
The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using
1 answer
502 views
i keep getting this error when I type my assignment in,
You are not allowed to post internet addresses. If you own a website and
1 answer
493 views
are the verbs in () in the correct tenses? THANKS
4. La madre de Tomas se queja porque el no hizo lo que ella le pidio. Ya es
1 answer
492 views
we have to conjugate the verbs in () into subjunctive and indicative, are they right? thanks!
6. Soledad hable con su amigo Hugo.
2 answers
530 views
A town planner is using a map of a town centre with a scale of 1: 1250
A new section of road will be 180 cm. How long will it be
1 answer
449 views
how do i solve the following equation?
4 - x = 2 - (3 - 2x) remove ( ) by distributing - sign 4-x=2-3+2x then add -4 to both
1 answer
566 views
Choose the two true statements from the following.
a)if the AEI increases by 30% a year and the RPI increases by 11.0% in the
1 answer
514 views
what are the pros and cons of nuclear energy
Since this is not my area of expertise, I searched Google under the key words
1 answer
1,164 views
find the gradient and y ntercept of the line with equation: y = 9 - 4x
choose the one option which gives the gradient and one
1 answer
495 views
for this simultaneous equations:
x + 2y = 1, -x + 5y = 12. would the two solutions be x = -3 and y = 2 sorry i mean -x + 5y = 13
1 answer
429 views
Choose three options which are true:
a) an angle of 150 degrees is equivalent to 2pie/3 radians. b) Cos 0 = cos (0 – pie/2) for
1 answer
1,101 views
please help me i'm close to having no hair left.
How do you rearrange 6y = 9 - 3x to make x the subject i've been at this now for
1 answer
436 views
for this equation x^2 - x = 0
would x = 1 i think this is the answer but i need to write it out step by step in how i worked the
1 answer
323 views
A shop reduces al its 30% in a closing down scale. What is the original price of a television now priced at £175? Explain your
1 answer
510 views
number of films seen by a group of people during the past year
No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0
3 answers
764 views
The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally
1 answer
474 views
After reading about the Malaria problem in North Borneo and the subsequent attempts to eliminate it, do you believe the
1 answer
361 views
Anita bought 13 yards of fabric for her costume .After cutting out the costume ,she had 3 and 5/8 yards left over.How much
2 answers
1,170 views
if f(x) = ax + b and f(2) = f(4) then a = ?
i cant seem to figure out if i plug in 2 or 4 into the eq. i no the answer is 0 but
1 answer
338 views
find the eq to the graph for the horizontal asymtote of y= 3 - x+b/x-c
my guess is that it would be 2 b/c bringing the 3 to the
1 answer
347 views
Read this article to learn about using the Internet to get information for marketing information systems.
Technology and
1 answer
907 views
2n-3 for n=9
1 answer
236 views
Calculate the number of hydrogen atoms in 20.0 g of CH3OH
4 answers
475 views
. If 20.0 mL of a 0.10 M HCl solution is mixed with 10.0 mL of a 0.25 M HCl solution, what is the final concentration of HCl
3 answers
714 views
review essay
Selective Marketing on Ivy League School’s Undergraduate Websites Every year between the months of October and
4 answers
470 views
what is found in cellulose??????????
please answer as soon as possible cause i need it kk xxx
1 answer
384 views
Sam and billy are to split $35 in the ratio 4:3. how much will billy get? cab you please explain the answer to me!
3 answers
372 views
why would h2s have a smaller bond angle (93.38) than scl2 (97.90)?
3 answers
943 views
why are taxes so high on cigarettes
3 answers
459 views
could you look over this for me? we are supposed to come up with a binary to compare two articles and then create something new
2 answers
559 views
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