onegirl
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onegirl:
Group Title
A scuba diver releases a balloon containing 181 L of helium attached to a tray of artifacts at an underwater archaeological state. when the …
 updated 3 months ago
 2 replies
 No Medals Yet
Mathematics

smartkid2000:
Group Title
Which of the following is a form of potential energy?
a chemical bonds a burning fire a racing car  water boiling I WILL MEDAL
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

onegirl:
Group Title
A scuba diver releases a balloon containing 181 L of helium attached to a tray of artifacts at an underwater archaeological state. when the …
 updated 3 months ago
 5 replies
 No Medals Yet
Mathematics

onegirl:
Group Title
Determine the mean root square speed of CO2 molecules that have the average kinetic energy of 4.21 x 10^21 in m/s
 updated 3 months ago
 25 replies
 No Medals Yet
Mathematics

onegirl:
Group Title
Is this sentence grammatically correct? "I like my pretty toys, because it makes me busy"
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

onegirl:
Group Title
Math question help.
 updated 6 months ago
 7 replies
 2 Medals
Mathematics

onegirl:
Group Title
An office has an area of 300m^2. If carpet coast $2.20/ft^2 how much will it coast to carpet the whole office?
 updated one year ago
 22 replies
 1 Medal
Mathematics

onegirl:
Group Title
4/5 x 10/9
 updated one year ago
 11 replies
 2 Medals
Mathematics

onegirl:
Group Title
Biologists have determined that when sufficient space and nutrients are available, the number of bacteria in a culture grows exponentially. …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

onegirl:
Group Title
Involve exponential growth or decay.
If you have 50 grams of carbon14 today, how much will be left in 100 years? Note that the halfli…
 updated one year ago
 5 replies
 1 Medal
Mathematics

onegirl:
Group Title
Find the solution of the given differential equation satisfying the indicated initial condition. y’ = (ln^2)y, y(2) = 4
 updated one year ago
 10 replies
 2 Medals
Mathematics

onegirl:
Group Title
Find (a) the mean and (b) the median of the random variable with the given pdf. F(x) = 3x^2, 0 ≤ x ≤ 1
 updated one year ago
 7 replies
 1 Medal
Mathematics

onegirl:
Group Title
Suppose the lifetime of an organizm has pdf f(x) = 4xe^2x (with x measured in years). Find the probability that the orgamism lives less tha…
 updated one year ago
 3 replies
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Mathematics

onegirl:
Group Title
Find the indicated probability, given that the lifetime of a lightbulb is exponentially distributed with pdf f(x) = 6e^6x (with x measured …
 updated one year ago
 14 replies
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Mathematics

onegirl:
Group Title
Find a value of c for which f(x) is a pdf on the indicated interval f(x) = cx^3, [0, 1]
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

onegirl:
Group Title
Show that the given function is a Probability Density Functions on the indicated interval. f(x) = 4x^3, [0, 1]
 updated one year ago
 8 replies
 1 Medal
Mathematics

onegirl:
Group Title
Show that the given function is a pdf on the indicated interval. f(x) = 4x3, [0, 1]
…
 updated one year ago
 11 replies
 3 Medals
Mathematics

onegirl:
Group Title
Ignore air resistance. Consider a knuckleball with lateral motion satisfying the initial value problem x’’(t) = 25 sin (4ωt + θ0), x’(0) = …
 updated one year ago
 17 replies
 1 Medal
Mathematics

onegirl:
Group Title
Ignoring air resistance. One athlete has a vertical “jump” of 20 inches. What is the initial velocity required to jump this high?
 updated one year ago
 12 replies
 1 Medal
Mathematics

onegirl:
Group Title
Ignore air resistance.
One of the authors has a vertical “jump” of 20 inches. What is the initial velocity required to jump this high?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

onegirl:
Group Title
Ignore air resistance.
A certain notsowily coyote discovers that he just stepped off the edge of a cliff. Four seconds later, he hits …
 updated one year ago
 12 replies
 1 Medal
Mathematics

onegirl:
Group Title
Ignore air resistance.
A diver starts 30 feet above the water (about the height of an Olympic platform diver). What is the diver’s veloc…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

onegirl:
Group Title
Ignore air resistance.
A diver starts 30 feet above the water (about the height of an Olympic platform diver). What is the diver’s veloc…
 updated one year ago
 15 replies
 1 Medal
Mathematics

onegirl:
Group Title
A drinking glass has circular crosssectinos. The glass has height 5 inches, bottom diameter 2 inches, and top diameter 3 inches. How mush …
 updated one year ago
 5 replies
 3 Medals
Mathematics

onegirl:
Group Title
A region bounded by f(y) = 2y + 3, y = 1, y = 3, and x = 1 is shown below. Find the volume of the solid formed by revolving the region abo…
 updated one year ago
 22 replies
 3 Medals
Mathematics

onegirl:
Group Title
A region bounded by f(x) = x + 5, y = 2, and x = 0 is shown below. Find the volume of the solid formed by revolving the region about the x…
 updated one year ago
 7 replies
 3 Medals
Mathematics

onegirl:
Group Title
A region bounded by f(x) = sqrt(x + 4) , y = 1, and x = 0 is shown below. Find the volume of the solid formed by revolving the region about …
 updated one year ago
 41 replies
 3 Medals
Mathematics

onegirl:
Group Title
A region bounded by f(x) = sqrt(x + 4) , y = 0, x = 3, and x = 0 is shown below. Find the volume of the solid formed by revolving the regio…
 updated one year ago
 30 replies
 3 Medals
Mathematics

onegirl:
Group Title
A region bounded by f(x) = sqrt(x + 4) , y = 0, x = 3, and x = 0 is shown below. Find the volume of the solid formed by revolving the regio…
 updated one year ago
 9 replies
 1 Medal
Mathematics

onegirl:
Group Title
A region bounded by f(x) = sqrt(x + 4) , y = 0, x = 3, and x = 0 is shown below. Find the volume of the solid formed by revolving the regi…
 updated one year ago
 5 replies
 1 Medal
Mathematics
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