tracyy
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Questions Asked

tracyy:
Group Title
Hi. I am stuck on this question. Any help is greatly appreciated: A sample of gas originally at 29deg C and 1.25 atm pressure in a 3.0 L con…
 updated 7 months ago
 2 replies
 2 Medals
Mathematics

tracyy:
Group Title
Hi, I need help with this halflife problem:
Phosphorus32 has a halflife of 14.0 days. Starting with 8.00g of 32P, how many grams will r…
 updated one year ago
 1 reply
 1 Medal
Mathematics

tracyy:
Group Title
Balancing a redox equation in an acidic solution: MnO4(aq) + Zn(s) > Mn2+(aq) + Zn2+(aq)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tracyy:
Group Title
Find all values of t in [0, 2pi] that satisfy given equation:  sec t  = 1
 updated one year ago
 2 replies
 1 Medal
Mathematics

tracyy:
Group Title
Consider the following.
A = π/3; B = 4
…
 updated one year ago
 19 replies
 2 Medals
Mathematics

tracyy:
Group Title
How do I do this?
The graph of functions f and g is given.
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

tracyy:
Group Title
Simple question: How would I complete the square for this?
 updated one year ago
 6 replies
 3 Medals
Mathematics

tracyy:
Group Title
Graph g(x)=4^x2. Give domain and range.
 updated one year ago
 36 replies
 No Medals Yet
Mathematics

tracyy:
Group Title
Suppose that the following functions s and t are defined for all real numbers x as follows.
s(x) = x  2
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tracyy:
Group Title
Please help: "The sound level of a rock group is 110 dB, while that of normal conversation at 1 m is 60 dB. Find ratio of their intensities.…
 updated one year ago
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Mathematics

tracyy:
Group Title
How to do this?
 updated one year ago
 6 replies
 1 Medal
Mathematics

tracyy:
Group Title
How does a lac operon control the transcription process of lactase? (Use terms operon, promoter, operator, repressor, inducer)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tracyy:
Group Title
Explain the sentence: “A gene does not affect the phenotype directly, the gene product affects the phenotype.”
 updated one year ago
 3 replies
 1 Medal
Mathematics

tracyy:
Group Title
Help!!
The average distance between Earth and the sun is 1.50x10^8 km.
 updated one year ago
 2 replies
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Mathematics

tracyy:
Group Title
Help! I don't understand what this problem wants me to do:
Many labels give metric equivalents of English
…
 updated one year ago
 3 replies
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Mathematics

tracyy:
Group Title
Please help. I've been trying to figure this out and I can't.
Write using summation notation, assuming suggested pattern continues:…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tracyy:
Group Title
Describe the graph of the function in terms of a basic trigonometric function. Locate the vertical asymptotes and graph two periods of the f…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

tracyy:
Group Title
Please help me do this step by step:
Find (a) sin θ, (b) cos θ, and (c) tan θ for the given quadrantal angle. If the value is undefined, …
 updated 2 years ago
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Mathematics

tracyy:
Group Title
State sign (+ or ) of (a) sin t, (b) cos t, and (c) tan t for values of t in interval given.
 updated 2 years ago
 1 reply
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Mathematics

tracyy:
Group Title
Evaluate WITHOUT using a calculator by using ratios in a reference triangle.
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

tracyy:
Group Title
Evaluate without using a calculator by using ratios in a reference triangle: cos 120°
 updated 2 years ago
 3 replies
 1 Medal
Mathematics