My15girl
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Questions Answered

My15girl:
Can someone read my lab? It's due tomorrow and I'm not sure about it.
 updated 28 days ago
 5 replies
 4 Medals
Mathematics

My15girl:
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 28 days ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
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 one month ago
 5 replies
 2 Medals
Mathematics

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

My15girl:
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 2 months ago
 6 replies
 6 Medals
Mathematics

My15girl:
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 2 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
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 2 months ago
 2 replies
 1 Medal
Mathematics

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

My15girl:
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 2 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
Can someone read my chemistry lab report and help me fix grammar mistakes, I'm so bad at English?
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

My15girl:
Can someone read my lab report and tell me if it's okay?
 updated 3 months ago
 11 replies
 1 Medal
Mathematics

My15girl:
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 3 months ago
 4 replies
 No Medals Yet
Mathematics

My15girl:
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 3 months ago
 6 replies
 2 Medals
Mathematics

My15girl:
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 3 months ago
 3 replies
 No Medals Yet
Mathematics

My15girl:
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 3 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
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 3 months ago
 8 replies
 1 Medal
Mathematics

My15girl:
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 4 months ago
 3 replies
 1 Medal
Mathematics

My15girl:
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 4 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Hello. I was wondering if someone could read my assignment for Biology and give me some positive feedback to improve on it?
 updated 4 months ago
 2 replies
 No Medals Yet
Mathematics

My15girl:
Hello, this is probability. Find the probability that in 10 tosses of a fair coin, there will be at least 2 heads. Can someone please help?
 updated 4 months ago
 3 replies
 1 Medal
Mathematics

My15girl:
Can someone help?
A 2.0x10^2g pendulum bob is raised 22cm above its rest position. The bob is released, and it reaches its maximum speed a…
 updated 4 months ago
 8 replies
 1 Medal
Mathematics

My15girl:
Can someone please help me calculate this. the minimum safe distance between vehicles on a highway is the distance a vehicle can travel in 2…
 updated 5 months ago
 7 replies
 1 Medal
Mathematics

My15girl:
This is a probability question.
A picnic cooler contains different types of cola: 12 regular, 8 cherry, 10 diet, 6 diet cherry, 8 caffeine…
 updated 5 months ago
 10 replies
 1 Medal
Mathematics

My15girl:
Hi. I was wondering if someone could help me solve this physics problem? A projectile is fired from the top of a 200.0m cliff above a valley…
 updated 6 months ago
 6 replies
 No Medals Yet
Mathematics

My15girl:
The longest kickoff in CFL history was 83.2 m.
If the ball remained in the air for 4.12 s,
determine its initial speed
 updated 6 months ago
 66 replies
 1 Medal
Mathematics

My15girl:
Can someone please help me figure this out. It's die tomorrow.Add each of the following sets of vectors together using the
component method…
 updated 6 months ago
 41 replies
 2 Medals
Mathematics

My15girl:
Can someone help . I don't understand the average atomic mass and isotopic abundance thing. Can someone you explain. How does it work? what'…
 updated 6 months ago
 10 replies
 No Medals Yet
Mathematics

My15girl:
Hey can someone help answer this? It would be a huge help in understanding. Is a homogenous mixture a mixture which contains different parti…
 updated 6 months ago
 2 replies
 3 Medals
Mathematics

My15girl:
Can someone read this for me and help with grammar and spelling?
 updated 6 months ago
 3 replies
 1 Medal
Mathematics

My15girl:
Can someone read this for me. It's for my project and I want to know if it's good.
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics
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