My15girl
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 7
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 Medals Received
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 Questions Asked
 31
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 1
 Medals Received
 3

 Questions Asked
 18
 Questions Answered
 1
 Medals Received
 2

 Questions Asked
 0
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 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 30
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 7
 Questions Answered
 0
 Medals Received
 2

 Questions Asked
 6
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 7
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 31
 Questions Answered
 1
 Medals Received
 3

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Questions Answered

My15girl:
Group Title
The halflife of a radioactive substance is noe hundred fiftythree days. How many days will it take for seventy percent of the substance to…
 updated 11 days ago
 2 replies
 1 Medal
Mathematics

BethLM39:
Group Title
Use the angle sum or difference identity to find the exact value of cos 165 degrees
I think I know how to start:
…
 updated 11 days ago
 11 replies
 1 Medal
Mathematics

My15girl:
Group Title
A question asks determine the exact value of sin45 degrees. The sin45 = 1/root 2. Then you multiply that with root 2 over root 2 to get root…
 updated one month ago
 4 replies
 3 Medals
Mathematics

My15girl:
Group Title
Calculate the amount of heat in kilojoules needed to convert 190.0 g of liquid water to steam at 100.0°C (∆Hvap= 40.65 kJ/mol).
This is …
 updated one month ago
 3 replies
 1 Medal
Mathematics

stopdoubtingyourself:
Group Title
help please?
 updated one month ago
 4 replies
 1 Medal
Mathematics

My15girl:
Group Title
How do you find the time required for one complete revolution. Satellites that are used for satellite television must stay over the same poi…
 updated one month ago
 22 replies
 3 Medals
Mathematics

My15girl:
Group Title
Can someone help me. Would the increasing/decreasing intervals for the function 2x+4/x^2+6x+8 be x>4 and x<4
Also would the positive in…
 updated 2 months ago
 4 replies
 1 Medal
Mathematics

My15girl:
Group Title
Hi can someone please please help me. This is due today. can someone look over my essay and critic it for grammar errors.
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Group Title
Can someone please please help me! I need someone to review my essay to tell me if it is good. I will fan and give a medal to anyone who can…
 updated 5 months ago
 8 replies
 2 Medals
Mathematics

My15girl:
Group Title
Hello can someone please read my eassay on Arthur, Miller's novel the crucible and tell me if it's okay. Can you someone check for grammar m…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Group Title
Can someone read my thesis statement and see if it is good?
The bible begins with the book of Genesis, which describes the creation of the…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Group Title
A doctor has patient with very low levels of thyroxine in the blood but high levels of TSH
Is the person's problem in the thyroid gland o…
 updated 7 months ago
 4 replies
 2 Medals
Mathematics

My15girl:
Group Title
Can someone read my lab? It's due tomorrow and I'm not sure about it.
 updated 9 months ago
 5 replies
 4 Medals
Mathematics

My15girl:
Group Title
Hi can someone read my bio lab. It's due tomorrow and I'm afraid that it isn't as good as it should be. It's grade 12 bio.
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Group Title
A train is traveling at 100km/h during a fog. as the train comes out into a clear stretch, the engineer suddenly sees a car stalled on the t…
 updated 9 months ago
 5 replies
 2 Medals
Mathematics

My15girl:
Group Title
Two cars pass one another while travelling on
a city street. Using the velocitytime graph
below, draw the corresponding positiontime
…
 updated 10 months ago
 14 replies
 2 Medals
Mathematics

My15girl:
Group Title
A population has only 2 alleles, F for individuals with freckles and f for individuals without. The allele frequency of F is 58%. What are t…
 updated 10 months ago
 6 replies
 6 Medals
Mathematics

My15girl:
Group Title
A baseball player has a batting average of 0.280.
(i) at least 3 hits in her next 5 times at bat
(ii) at least 3 hits in her next 10 times…
 updated 10 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
Group Title
I need help with this following question from my text book. In the expansion (x+y)^10 write the value of the exponent k in the term that con…
 updated 10 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Group Title
Can someone help me solve this. I am so lost. How on earth do you solve this! Someone please help!
 updated 10 months ago
 11 replies
 2 Medals
Mathematics

My15girl:
Group Title
Can someone help with this question! Please! At STP, gases have a volume of 22.4 L per mole. RTP is room temperature (25 °C) and pressure (1…
 updated 11 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
Group Title
Can someone read my chemistry lab report and help me fix grammar mistakes, I'm so bad at English?
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Group Title
Can someone read my lab report and tell me if it's okay?
 updated 11 months ago
 11 replies
 1 Medal
Mathematics

My15girl:
Group Title
A steel wire is clamped securely at both ends and has a length of 5.6m. It vibrates at its 4th harmonic. It makes 60 complete cycles in 4 se…
 updated 11 months ago
 4 replies
 No Medals Yet
Mathematics

My15girl:
Group Title
since pure gold is soft, gold jewellery is usually made with an alloy. An 18 karat gold alloy contains jewellery 75%(m.m) gold. How much of …
 updated 11 months ago
 6 replies
 2 Medals
Mathematics

My15girl:
Group Title
A child is watching the street traffic. A fire truck is approaching the youngster at 110km/h while blowing its siren at a frequency of 224Hz…
 updated 11 months ago
 3 replies
 No Medals Yet
Mathematics

My15girl:
Group Title
A string with frequency 420Hz is plucked along with a string of unknown frequency. There are 12 beats heard every 4 seconds. The tightening …
 updated 11 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Group Title
Open air column is resonating at its second harmonic 580 Hz. If the sound speed is 33om/s, what is the length of this pipe? I got 0.57m as t…
 updated 11 months ago
 8 replies
 1 Medal
Mathematics

My15girl:
Group Title
Hi, I was wondering if someone could take the time to read my chemistry lab? Just check for some improvements I could make. Positive critici…
 updated one year ago
 3 replies
 1 Medal
Mathematics

My15girl:
Group Title
Hi, I'm doing a chemistry lab for determine the empirical formula of MgO, but I don't know how to answer this question. Why was the crucibl…
 updated one year ago
 2 replies
 1 Medal
Mathematics
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