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 2 months ago
 2 replies
 3 Medals
Mathematics

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

sarah_98:
Group Title
LONG DIVISION
 updated 9 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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