09/28/24

Introduction to Spectrochemical Methods
Convert the accompanying transmittance data toabsorbances.*(a) 27.2%
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12/02/23

Height of plateau form launch speed and angle
A projectile is launched with a speed of 40 m/s at an angle of 30° above the horizontal, as shown in the figure below. The projectile lands on a plateau 3 s later. The height Δy of a plateau is... more
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12/02/23

What was the initial population at time t=0?  Find the size of the bacterial population after 3 hours. 
The doubling period of a bacterial population is  10 minutes. At time t=90 minutes, the bacterial population was 60000.What was the initial population at time t=0?    Find the size of the bacterial... more
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12/01/23

Sketch the graph of a function that satisfies all of the given conditions.
Sketch the graph of a function that satisfies all of the given conditions.f(x) is odd (symmetric through the origin).f'(2)=0, f'(x)>0 if -22, lim x->infinity f(x)=2, f''(x)<0 if 0 < x... more
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12/01/23

precalculus 12 grade
Given the three function, which expression equals (f o c o m)(x)?c(x)=9/x+9 f(x)-x^4 m(x)= 2IxIanswers : 9/2IxI^4+99/(2IxI)^4+92I9/x^4+9I(9/2IxI+9)^4
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10/26/23

percent yield for chemistry
when 100 kg sand are processed with carbon and 51.4 k sic are recovered. what is the percent yield of sic
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10/05/23

Physics-SCALLOP FORCE QUESTION
Scallops eject water from their shells to provide a thrust force. The figure shows a smoothed graph of actual data for the initial motion of 25 g scallop speeding up to escape a predator. What is... more
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09/06/23

A scientific experiment begins with a metal at -100° Celsius. The following function describes the temperature change per minute: f(x) = 89x − 100°.
 How will the graph of this function change if the metal is at 25° at the start of the experiment?
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06/16/23

Calculus orthogonal

Find the orthogonal projection of v = 16, 12, 18, 14X1 = -3, 4, 2, -4X2 = -4, -5, 4, 0
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06/16/23

For the quadratic function defined

For the quadratic function​ defined, ​(a) write the function in the form P(x)=a(x−h)2+k​, (b) give the vertex of the​ parabola, and ​(c) graph the function.​P(x)=2x^2-6x-7a. P(x)=______B. The... more
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06/15/23

the enthalpy of dissolution (dissolving) of sodium hydroxide,
A student wants to determine the enthalpy change associated with dissolving solid sodium hydroxide,NaOH, in water. The student dissolves 1.96 g of NaOH in 100 mL of water in a coffee-cup... more
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06/10/23

potential energy and energy conservation
wyzant wont let me upload the figure, so I provided the link to it herehttps://www.flipitphysics.com/Content/smartPhysics/Media/UserData/ebfae213-ad62-da58-2e01-ff6f3e3c551b/pendulum.jpgThe... more
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06/10/23

potential energy and energy conservation
Wyzant wont let me upload the figure, so ai provided the link to it herehttps://www.flipitphysics.com/Content/smartPhysics/Media/UserData/ebfae213-ad62-da58-2e01-ff6f3e3c551b/path.jpgA 3.1 kg block... more
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04/27/23

Help me Please I have a test tomorrow!
The profit from a business is described by the function P(x) = –x2 + 10x – 4, where x is the number of items made, in thousands, and P(x) is the profit in dollars. How many items will maximize the... more
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04/27/23

which statement is true?
A metal gas cylinder containing 17.1 atm of nitrogen is stored at 300K. According to the ideal gas law, PV = nRT, if the temperature doubles, which statement is true?Group of answer choicesthe... more
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02/27/23

Solve this problem
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11/23/22

Bob spent 1/5 of his salary on food and 2/3 on clothing. Half of the remaining amount was given to his wife and he saved the rest, if he had saved $520 what was Bob's salary
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11/22/22

Math question radioactive material
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1991​, the hay in that country was contaminated by a radioactive isotope​ (half-life 5... more
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10/12/22

Will someone please help me with the math question below and show the calculations so I can get a better grip on the concept.
Many doctors rely on the use of intravenous medication administration in order to achieve an immediate response of a particular drug's effects. The concentration, C, in mg/L, of a particular... more
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10/12/22

How to find: instantaneous speed vs average speed without the use of calculus?
Suppose you hold a ball out over a cliff and let go. how would you find the instantaneous speed after 10 seconds and the avg speed after 10 seconds? I thought you could just find the displacement... more
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10/12/22

Is this statement true: “If an object’s velocity is zero, its acceleration must be zero"
I said it is true because if an object is not moving then it must have no acceleration.I got confused because I wasn't sure if it stated 0 was the avg velocity or not.any help would be appreciated.
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10/07/22

If f'(-3)=2 and f(-3)=5, write the equation of the normal line to y=f(x) at x=-3
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09/28/22

CALCULUS DIFFERENTATION QUESTION
find derivative of tan(secx)if you dont solve and you have problem please contact me .I suggest you best
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09/19/22

Find the exponential equation whose graph passes through the points (-1,2) and (1,8) y =

Find the exponential equation whose graph passes through the points (-1,2) and (1,8)y =   
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09/19/22

help out with some questions please
the price p (in dollars) and the quantity x sold of a certain product obey the demand equation x=-15/2p+300 for 0 < p less than or equal to 40 a how many units are sold if the price is 20$b what... more
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