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sarah

Questions and answers by visitors named 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
1. 5 answers
2. asked by sarah
3. 2,860 views
Sam owns a triangular piece of land on which the tax collector wishes to determine the correct property tax. Sam tells the
1. 4 answers
2. 1,751 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
1. 7 answers
2. asked by sarah
3. 9,029 views
find the permeter of a parallelogram whose base is 6cm and side 5cm
1. 5 answers
2. 1,691 views
If two angles are supplementary, then their sines are equal. Explain why. What about the cosines of supplementary angles? If you
1. 5 answers
2. 3,248 views
You buy a bottle of juice for $1.00. The juice costs .90 cents more than the empty bottle. How much does the empty bottle cost??
1. 3 answers
2. 1,190 views
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively.What do the formulas 1/2 pq sinR and 1/2
1. 5 answers
2. 3,790 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,
1. 9 answers
2. 3,288 views
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin
1. 4 answers
2. 3,847 views
An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in
1. 4 answers
2. asked by sarah
3. 4,062 views
A dilute aqueous solution of CaCl2 contains 0.159 grams of solute per liter ofsolution. It is fully dissociated. What is the
1. 3 answers
2. 1,142 views
what measure is formed by the hands of a clock at 5:00
1. 3 answers
2. 514 views
three forces with magnitudes 100, 50, and 80 lb act on an object at angles of 50 degree, 160 degree, and -20 degree
1. 5 answers
2. 4,127 views
Given the thermochemical equation below, calculate the amount of energy released when 250. g of NaOH (molar mass = 40.0 g/mol)
1. 2 answers
2. 572 views
On Team B 80% of the football players weigh more than 200 pounds. If 41 men are on the team, how many weigh more than 200
1. 7 answers
2. 2,921 views
Express your answer as a decimal (to the nearest hundredth).What part of an hour is 40 minutes?
1. 4 answers
2. 1,857 views
Triangle Angle Sum Theorem Quick Check5 of 55 of 5 Items Question Use the image to answer the question. A triangle a b c is
1. 1 answer
2. 213 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
1. 2 answers
2. 964 views
my teacher says i have remarkably poor grammar i need help
1. 2 answers
2. 575 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
1. 5 answers
2. 2,495 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
1. 3 answers
2. 1,004 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. 1 answer
2. 327 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 latera) what is
1. 1 answer
2. 1,032 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
1. 3 answers
2. 1,509 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
1. 3 answers
2. 826 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. 1 answer
2. 888 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
1. 3 answers
2. 1,174 views
i need to know what is on the peninsulaWhich peninsula? Please explain. I don't know About THE Growing of Consumer Market i
1. 2 answers
2. 489 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. 1 answer
2. 840 views
the number of noncollinear points needed to determine a circleTwo. The location of the center, and one point on the circle (ie,
1. 1 answer
2. 674 views
the radius of a circle when the numeric values of the circumference and the area are equalPI r^2= 2PI r r^2- 2r=0 (r-0)(r-2)=0
1. 1 answer
2. 416 views
the last two digits of 5 to the 347th power5^1= 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. 1 answer
2. 287 views
the only perfect number of the form y to the power of n + x to the power of ythe answer is 28. 1 to the power of 3 plus 3 to the
1. 1 answer
2. 392 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. 1 answer
2. 404 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
1. 4 answers
2. 1,131 views
Find three different ordered pairs that are solutions of the questionx=2 and you have to use -1,0,1 for thje subsitut of y or x
1. 1 answer
2. 487 views
how do you do ionic equationsDo you mean net ionic equations?
1. 1 answer
2. 380 views
which type of microbe reproduces by producing spores?Bacteria can reproduce by spores when the environment becomes harsh.
1. 1 answer
2. 1,216 views
According to the US Constitution, Congress has the pwer to do all the following except:a regulate foreign and interstate trade b
1. 1 answer
2. 567 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
1. 9 answers
2. 646 views
was there a king of dahomey in 1598?http://en.wikipedia.org/wiki/Ouidah
1. 1 answer
2. 387 views
what was the connection between the kingdom of dahomey and philip II of spain?http://en.wikipedia.org/wiki/Dahomey
1. 1 answer
2. 426 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. 1 answer
2. 1,217 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. 1 answer
2. 464 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. 1 answer
2. 511 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. 1 answer
2. 441 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. 1 answer
2. 544 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. 1 answer
2. 581 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
1. 2 answers
2. 1,164 views
A vessel at rest explodes breaking into three pieces. Two pieces, having equal mass fly off perpendicular to one another with
1. 1 answer
2. 922 views
What is the valency of selenium in hydrogen selenide?Consider what selenium's group is in the periodic table. There is oxygen
1. 1 answer
2. 538 views
What is the empirical formula for aluminium selenide?What is the common oxidation state of aluminum? Combine that information
1. 1 answer
2. 690 views
What is a balanced equation for the reaction of aluminium selenide with water?Assume that aluminum hydroxide and hydrogen
1. 1 answer
2. 412 views
Why is the molecular formula of a gas not necessarily the same as its empirical formula?answered above.
1. 1 answer
2. 415 views
Why is the molecular formula of a gas not necessarily the same as its empirical formula?At higher temperatures, those that
1. 1 answer
2. 547 views
how do i convert a fraction to a deciaml??a) -2 2/5 ?? Divide the numerator of the fraction by the denominator
1. 1 answer
2. 742 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
1. 2 answers
2. 530 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
1. 3 answers
2. 819 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. 1 answer
2. 424 views
-22 2/5 - 1 1/4 x (-2 1/2) =How do i work that out?? Duplicate post; already answered.
1. 1 answer
2. 407 views
What is the positively charged ion present in an aqueous solution of H2SEO3?hydronium. (H30<sup>+</sup>
1. 1 answer
2. 394 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. 1 answer
2. 385 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. 1 answer
2. 1,045 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. 1 answer
2. 403 views
Temp - 650Pressure - 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. 1 answer
2. 483 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. 1 answer
2. 488 views
Please can someone help me before i pull all my hair out i've been struggling with this for about a weekCH2=CH-CH-OH ________'
1. 1 answer
2. 435 views
i need to deduce the type of bonding that holds sodium cyanide togetherand write a balanced equation for sodium cyanide
1. 1 answer
2. 725 views
Please can someone help me before i pull all my hair out i've been struggling with this for about a weekCH2=CH-CH-OH ________'
1. 1 answer
2. 405 views
plz hep can you please tell me toms contractial rightsTom, a new director has found he has not been re-imbursed for expenses he
1. 1 answer
2. 359 views
if company cannot change the consitution can the comany take shares from robert?Robert acquired 2000 shares in his own name and
1. 1 answer
2. 433 views
Conduct Break-Even Analysis in the following two scenarios:R Squared is a mobile diagnostic imaging company that performs MRI
1. 1 answer
2. 533 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. 1 answer
2. 869 views
how can I find out what are the class share of holders rights areSince this is not my area of expertise, I searched Google under
1. 1 answer
2. 503 views
plz help how can i find out if a company cannot change the constitution can the campany take share from Directors
1. 1 answer
2. 417 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. 1 answer
2. 687 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. 1 answer
2. 550 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. 1 answer
2. 435 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. 1 answer
2. 795 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. 1 answer
2. 499 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. 1 answer
2. 487 views
are the verbs in () in the correct tenses? THANKS4. La madre de Tomas se queja porque el no hizo lo que ella le pidio. Ya es
1. 1 answer
2. 489 views
we have to conjugate the verbs in () into subjunctive and indicative, are they right? thanks!6. Soledad hable con su amigo Hugo.
1. 2 answers
2. 528 views
A town planner is using a map of a town centre with a scale of 1: 1250A new section of road will be 180 cm. How long will it be
1. 1 answer
2. 440 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. 1 answer
2. 560 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. 1 answer
2. 501 views
what are the pros and cons of nuclear energySince this is not my area of expertise, I searched Google under the key words
1. 1 answer
2. 1,157 views
find the gradient and y ntercept of the line with equation: y = 9 - 4xchoose the one option which gives the gradient and one
1. 1 answer
2. 486 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. 1 answer
2. 424 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. 1 answer
2. 1,093 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. 1 answer
2. 431 views
for this equation x^2 - x = 0would x = 1 i think this is the answer but i need to write it out step by step in how i worked the
1. 1 answer
2. 320 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. 1 answer
2. 505 views
number of films seen by a group of people during the past yearNo of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0
1. 3 answers
2. 757 views
The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally
1. 1 answer
2. 467 views
After reading about the Malaria problem in North Borneo and the subsequent attempts to eliminate it, do you believe the
1. 1 answer
2. 353 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
1. 2 answers
2. 1,164 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. 1 answer
2. 335 views
find the eq to the graph for the horizontal asymtote of y= 3 - x+b/x-cmy guess is that it would be 2 b/c bringing the 3 to the
1. 1 answer
2. 340 views
Read this article to learn about using the Internet to get information for marketing information systems.Technology and
1. 1 answer
2. 903 views

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