sarah_98
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 sarah
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0 
Questions Answered

sarah_98:
Group Title
What increases IN EQUAL STEPS OF ONE from left to right in the periodic table for the elements lithium to neon?
A. The number of occupied e…
 updated one month ago
 2 replies
 3 Medals
Mathematics

sarah_98:
Group Title
which molecule has the smallest bond angle?
co2
nh3
…
 updated one month ago
 11 replies
 2 Medals
Mathematics

sarah_98:
Group Title
LONG DIVISION
 updated 8 months ago
 4 replies
 1 Medal
Mathematics

sarah_98:
Group Title
explain the enzymes working in the digestive system
 updated one year ago
 3 replies
 5 Medals
Mathematics

sarah_98:
Group Title
why do athletes eat foods high in protein during training?
 updated one year ago
 18 replies
 1 Medal
Mathematics

ShawnyD:
Group Title
Raven’s parents bought a 20’ ski boat for $22,000. After 2 years, the boat was worth 17,500. Using x as the number of years and y as the boa…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
WHY IS NPK(FERTILISER) CALLED SO?
 updated one year ago
 6 replies
 1 Medal
Mathematics

ohyeahh:
Group Title
Let f(x) = ax + b where a and b are real numbers, f(f(f(1))) = 29 and f(f(f(0))) = 2. Then b equals ??
A start would be good.
 updated one year ago
 27 replies
 1 Medal
Mathematics

sarah_98:
Group Title
do we use "I" in narrative writing?
 updated one year ago
 5 replies
 1 Medal
Mathematics

ohyeahh:
Group Title
How can i find the maxima and minima using differentiation?
http://prntscr.com/144wz6
 updated one year ago
 32 replies
 2 Medals
Mathematics

sarah_98:
Group Title
equation "y=mx+c"
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
3 catalysts which contribute in modern industry & how?
 updated one year ago
 11 replies
 1 Medal
Mathematics

sarah_98:
Group Title
complete and balance this rquation for the combustion of ethanol, when its used as fuel:
' C2H5OH+>.........+O2
 updated one year ago
 11 replies
 1 Medal
Mathematics

bloodrain:
Group Title
There should be an autospam detector that detects when you post many times in a row.
Penalties could be:
…
 updated one year ago
 20 replies
 9 Medals
Mathematics

sarah_98:
Group Title
how do we solve:
4(x1)^2?
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

sarah_98:
Group Title
the density of ice is 1.00gcm3. what is the volume of steam produced when 1 cm3 of ice is heated to 323c at a pressure of one atmosphere.? (…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
given that v is proportional to 1/t2, complete:
t: 2 5 ? 10
v:25 ? 0.25 ?
 updated 2 years ago
 14 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
given that z is proportional to 1/y complete:
y: 2 4 ? 0.25
z: 8 ? 16 ?
 updated 2 years ago
 14 replies
 1 Medal
Mathematics

sarah_98:
Group Title
the distance d through which a stone falls from rest is proportional to the square of the time taken t. if the stone falls 45m in 3 seconds,…
 updated 2 years ago
 15 replies
 2 Medals
Mathematics

sarah_98:
Group Title
solve the simultaneous equation x+y=2 and x(square)+2y(square)=11
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

sarah_98:
Group Title
a bus is travelling with 48 passengers. when it arrives at a stop, 'x' passengers get off & 3 get on. at the next stop half the passengers g…
 updated 2 years ago
 8 replies
 3 Medals
Mathematics

sarah_98:
Group Title
a bus is travelling with 52 passenger. when it arrives at a stop, "y" passengers get off & 4 get on. at the next stop, onethird of the pass…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

idreamparis:
Group Title
a woman stands on the bank of a frozen lake with a dog by her side. she skims a bone across the ice at a speed of 3ms. the bone slows down w…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
help in algebra??!?!
 updated 2 years ago
 17 replies
 3 Medals
Mathematics

sarah_98:
Group Title
What is an irritational number?
 updated 2 years ago
 45 replies
 4 Medals
Mathematics

sarah_98:
Group Title
ryan puts $500 into a bank account. the bank pays 5% compound interest per year. how much is the interest after one year?
 updated 2 years ago
 15 replies
 3 Medals
Mathematics

sarah_98:
Group Title
ryan says that there is a pole of length L= 88.2 CM.
ROUND THIS TO THE NEAREST WHOLE NUMBER
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

sarah_98:
Group Title
there are approximately 500,000 grains of wheat in a 2 kg bag. calculate the mass of 1 grain in grams
 updated 2 years ago
 17 replies
 2 Medals
Mathematics

sarah_98:
Group Title
the population expected of a city is 550,000. its expected that this population will increase 42% by the year 2008. calculate the expected p…
 updated 2 years ago
 27 replies
 No Medals Yet
Mathematics

sarah_98:
Group Title
in 2006 the number of tickets sold was 210. the ratio; (no. of adult tickets: no. of student tickets) was 23:19. how many tickets were sold?…
 updated 2 years ago
 12 replies
 1 Medal
Mathematics
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