01/31/21

Given the two exponential functions f(x)=3.2(1.05)^2x and g(x)=3.1(1.07)^2x
Determine which function grows faster.  Use a graph to support your conclusion in part and sketch both functions. If both graphs represent the population growth of bunnies, compare and contrast... more
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12/24/20

Math Riddle/Question.
A MERRY + XMAS TURKEYThe three hints are 0=U, 1=T, 9=M
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12/11/20

Find sin (x/2) , cos (x/2) , and tan (x/2) from the given information: cos(x) = − 7/25 , 180° < x < 270°.
Find sin(x/2), cos (x/2), and tan (x/2) from the given information: cos (x) = -7/25 180° < x < 270°sin(x/2)=? cos (x/2)=? tan(x/2)=?
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12/10/20

how many turns are there in the output coil?
The charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 4 V AC. For each 1,225 turns in the input coil, how many turns are there in the output coil?
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12/10/20

Young's Double-slit
the question :In a Young's double-slit experiment, the fringe separation when violet light of 400nm is used is 1.2 mm. The distance from the slits to the screen is D. If red light of 680nm is used... more
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12/02/20

precal question

Find the number of terms of the arithmetic sequence with the given description that must be added to get a value of 3360.The first term is 5, and the common difference is 2.
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12/02/20

precal question

Find the partial sum Sn of the arithmetic sequence that satisfies the given conditions.a2 = 7, a5 = 8.5, n = 16S16 = 
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12/02/20

precal question

An architect designs a theater with 18 seats in the first row, 22 in the second, 26 in the third, and so on. If the theater is to have a seating capacity of 1218, how many rows must the architect... more
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03/25/20

The population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year.
(a) Estimate how long it takes the population to double. (Round your answer to two decimal places.)(b) Estimate how long it takes the population to triple. (Round your answer to two decimal... more
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03/25/20

It is observed that a certain bacteria culture has a relative growth rate of 16% per hour, but in the presence of an antibiotic the relative growth rate is reduced to 5% per hour.
The initial number of bacteria in the culture is 21.Find the projected population after 24 hours for the following conditions. a) No antibiotic is present, so the relative growth rate is 16%.b)... more
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03/21/20

Algebra and identifying 2 functions (fog)(x)=H(x)
Suppose H(x)= square root (5 - 4x)Find two functions f and g that (fog)(x)=H(x)Neither function can be the identity function. f(x)= ? g(x)= ?
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03/21/20

cosx=1-sinx find all solution in interval [0,2pi)
please help me find the solutions to this
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03/21/20

Find the fundamental solutions to the following equation (i.e., the solutions that are between 0 ° and 360 ° ). Give your answers in degrees. 20 sec 2 ( θ ) − 15 tan ( θ ) sec ( θ ) − 18 = 0
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03/21/20

4.1 exit ticket
write the equation of the line in slope intercept form that has a slope of -7 and a Y intercept of 3
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03/12/20

jamal and alex spent 3 hours canoeing on a stream. They went 5 miles upstream and 5 miles back downstream. In still water the average speed of the canoe was 6 miles per hour.

Jamal and Alex spent 3 hours canoeing on a stream. They went 5 miles upstream and 5 miles back downstream. In still water the average speed of the canoe was 6 miles per hour. The time T spent... more
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03/12/20

find sec θ if cos θ = 1/2

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03/07/20

Find the approximate value in both radians and degrees using a calculator

csc^-1 (-6.5757) round to four decimal places as needed
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03/06/20

Write an exponential function modeling the situation and state if it’s decay or growth. Evaluate f(5) and f(12)
Population of species at 1800 cut by a third each yearamount of 50g of an isotope remaining after m minutes if it’s half life is 8 minshow each step
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03/05/20

Suppose cos A = − 3/5 , and π < A < 3 π 2 . Find sin A and tan A .
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03/02/20

How much time can be saved in traveling from Charlottesville to Roanoke at the new speed limit?
For many years, the posted highway speed limit was 88.5 km/hr, but in recent years, some rural stretches of highway have increased their speed limit to 104.6 km/hr. In the state of Virginia, the... more
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02/22/20

precalculus help
An alternating current i in amperes in another circuit can be found after t seconds using i=4sin(195∘t). Rewrite the formula in terms of the difference of two angle measures.Select one:a.... more
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02/22/20

The concept of determining which reactant is limiting and which is in excess is akin to determining the number of sandwiches that can be made from a set number of ingredients.
Assuming that a cheese sandwich consists of 2 slices of bread and 3 slices of cheese, determine the number of whole cheese sandwiches that can be prepared from 32 slices of bread and 45 slices... more
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02/22/20

Consider the following reaction.
2Fe2O3(s)+3C(s)heat−−→4Fe(s)+3CO2(g)Calculate the number of grams of Fe2O3 needed to react with 20.0 g C.
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02/21/20

What is it’s M.A.?
A lever has a distance from the fulcrum to the input force of 12 meters and a distance of the fulcrum to the output force of 2 meters.
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02/21/20

precalc word problem
lyel's lemonade stand sells glasses of lemonade at baseball games for $1 a glass. at that price he sells 500 glasses of lemonade a game. hes noticed that for every 5 cents he raises the price, he... more
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