cherry2012
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cherry2012:
Group Title
Help please...A coast guard helicopter flies toward a boat in distress. When its horizontal distance to the boat is 2000ft, its angle of dep…
 updated 7 months ago
 3 replies
 1 Medal
Mathematics

cherry2012:
Group Title
Help please.... Assuming r > 0 and 0 < θ < 2π, the point P has polar coordinates (r, θ) =?
The coordinates are (1,1)
…
 updated 7 months ago
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Mathematics

cherry2012:
Group Title
Help please.... Assuming r > 0 and 0 < θ < 2π, the point P has polar coordinates (r, θ) =?
…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

cherry2012:
Group Title
Assuming r > 0 and 0 < θ < 2π, the point P has polar coordinates (r, θ) =?
 updated 7 months ago
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Mathematics

cherry2012:
Group Title
How much energy is required to heat 87.1 g acetone (molar mass=58.08 g/mol) from a solid at 154.0°C to a liquid at 42.0°C? The following p…
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

cherry2012:
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Help please
15.0 moles of gas are in a 3.00L tank at 23.4∘C . Calculate the difference in pressure between methane and an ideal gas under t…
 updated 8 months ago
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Mathematics

cherry2012:
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Help please..
15.0 moles of gas are in a 3.00L tank at 23.4∘C . Calculate the difference in pressure between methane and an ideal gas under…
 updated 8 months ago
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Mathematics

cherry2012:
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Help please
Determine the mass of water formed when 12.5 L NH3 (at 298 K and 1.50 atm) is reacted with 18.9 L of O2 (at 323 K and 1.1 atm).…
 updated 8 months ago
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Mathematics

cherry2012:
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Help please
Solve the given equation.
sin2 θ − 5 sin θ − 6 = 0
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

cherry2012:
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Help please
Solve the given equation. (Enter your answers as a commaseparated list. Let k be any integer. Round terms to three decimal pla…
 updated 8 months ago
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Mathematics

cherry2012:
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Help please...
Find sin x/2, cos x/2, and tan x/2 from the given information.
sin x =4/5, 0° < x < 90°
 updated 8 months ago
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Mathematics

cherry2012:
Group Title
What can I do with a minor in forensic studies?
 updated 8 months ago
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Mathematics

cherry2012:
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Help please... I have 2/ radical 3cos 3θ = 1
I need to find.. Find the solutions in the interval [0, 2π). I got π/18 and 11π/18. How do I …
 updated 8 months ago
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Mathematics

cherry2012:
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Help please....Use a Double or HalfAngle Formula to solve the equation in the interval [0, 2π). (Enter your answers as a commaseparated l…
 updated 8 months ago
 3 replies
 2 Medals
Mathematics

cherry2012:
Group Title
Help please....Given triangle ABC with m< A=5x+8, m<B= 3x+12, And m<C =2x+30, find the measure of <C
 updated 8 months ago
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Mathematics

cherry2012:
Group Title
Given triangle ABC with m< A=5x+8, m<B= 3x+12, And m<C =2x+30, find the measure of <C
 updated 8 months ago
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Mathematics

cherry2012:
Group Title
Is biomedical engineering a very difficult major?
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

cherry2012:
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Help please...Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
cos 12° cos 18° − s…
 updated 8 months ago
 1 reply
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Mathematics

cherry2012:
Group Title
A solution contains the sodium salt of an anion. The followingtests are performed to identify the anion.
1) The solution is treated with si…
 updated 8 months ago
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Mathematics

cherry2012:
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Help please. I have NaOH and Ca2+. How would I make a balanced equation?
 updated 8 months ago
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Mathematics

cherry2012:
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Help please.
30.0 g of iron filings at a temperature of 80.0 C are mixed with 40.0 g of water at a temperature of 22.0 C in a Styrofoam cup…
 updated 9 months ago
 2 replies
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Mathematics

cherry2012:
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Help please
When a 9.00 g sample of metal is heated to 100 C and dropped into 20 mL's of water at 25 C, the final temperature is 28.29 C
…
 updated 9 months ago
 1 reply
 1 Medal
Mathematics

cherry2012:
Group Title
Help please
.When a 9.00 g sample of metal is heated to 100 C and dropped into 20 mL's of water at 25 C, the final temperature is 28.29 C
…
 updated 9 months ago
 No Medals Yet
Mathematics

cherry2012:
Group Title
Help please..
When a 9.00 g sample of metal is heated to 100 C and dropped into 20 mL's of water at 25 C, the final temperature is 28.29 C …
 updated 9 months ago
 No Medals Yet
Mathematics

cherry2012:
Group Title
Help please..
When a 9.00 g sample of metal is heated to 100 C and dropped into 20 mL's of water at 25 C, the final temperature is 28.29 C …
 updated 9 months ago
 5 replies
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Mathematics

cherry2012:
Group Title
How can I tell the radius of an element? For example if it has a small or large radius.
 updated 9 months ago
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Mathematics

cherry2012:
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Help please...Place the following elements in order of decreasing atomic size: tellurium, bromine, argon, cesium, strontium, and selenium.
…
 updated 9 months ago
 2 replies
 1 Medal
Mathematics

cherry2012:
Group Title
Help please.. I need to name a linear pair of angles. I put cod and got it wrong.
 updated 9 months ago
 10 replies
 3 Medals
Mathematics

cherry2012:
Group Title
Help please...A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=106Hz. Calcul…
 updated 9 months ago
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Mathematics

cherry2012:
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Help please....In many cases, students obtain percentage yields greater than 100% in doing this experiment. Providing the precipitate is dry…
 updated 9 months ago
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Mathematics
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