08/13/21

need help with precalculus (check my answer)

f(x) =  ; g(x) = 8x - 13Find f(g(x)).f(x) =  ; g(x) = 8x - 11Find f(g(x)).f(x) = 5x + 3; g(x) = 6x - 5Find f/gmy answer : (f/g)(x) =  domain {x|x ≠ }
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08/11/21

help please this makes no sense
Pure ozone decomposes slowly to oxygen, . Use the data provided in a graphical method and determine the order and rate constant of the reaction. If you like, you can use Excel, or similar software,... more
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08/11/21

Solve the equation and check for extraneous solutions.
Solve the equation. Check for extraneous solutions.In(x^2+3)=In(4)log_(2)(x^2-5)=2/3
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08/11/21

Calculus 1 question need help in answering/solving
Naomi is a business major who invented a remote control that transforms bad professors intogood ones. She is currently selling 2000 remotes per month to students at a price of $10 each.(a) How much... more
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08/10/21

If (3,b) is a point on the graph of y = 2x+9, what is​ b?
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08/10/21

Bead drop problem
a bead is dropped in a 6 x 13 box with a 4 x 4 square painted on the bottom. what is the probability that the bead will come to rest on the square
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08/10/21

calculus maths work
A clothing business finds there is a linear relationship between the number of shirts,n,it can sell and the price,p, it can charge per shirt. In particular, historical data shows that 6000 shirts... more
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08/10/21

Write a rule for g that represents the indicated transformation of the graph of f.
f(x)=e^x ; vertical shrink by a factor of 1/4, followed by a translation 5 units upf(x)=log_(16)x; vertical stretch by a factor of 9, followed by translations 2 units right and 3 units down
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08/09/21

You are designing a lamp reflector for a spotlight.
You are designing a lamp reflector for a spotlight. If you want to placc the lamp 50cm from the vertex of the parabolic reflector, find the equation of the parabola that describes the shape of the... more
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08/09/21

im confused here like i know what formula to use but im not getting the right answer
Let α and β be first quadrant angles with cos(α)=√11/4 and sin(β)=√10/8.Find sin(α−β).
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08/09/21

7.3: A newborn was 48 cm long and weighed 3 kg. According to the regression​ model, what was his​ residual? What does that say about​ him?
A least squares regression line was calculated to relate the length​ (cm) of newborn boys to their weight in kg. The line is weight=−6.07+0.1693 length. A newborn was 48 cm long and weighed 3 kg.... more
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08/08/21

Use the data from the website to create a graph
Use the data from the website sunrise-sunset.org /us/lowell-ma to build a model (a sinusoidal function) whose output is the number of hours of daylight in Lowell when the input is the ordinal date... more
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08/08/21

Math/Precalculus/Circles
A small radio transmitter broadcasts in a 51 mile radius. If you drive along a straight line from a city 71 miles north of the transmitter to a second city 66 miles east of the transmitter, during... more
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08/07/21

What is the mass of carbon in 28.160 gram molecules of CO2?
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08/07/21

A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used.
A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used. For a can with radius r and height​ h, this goal is reached when 2πr3=πr2h. Answer parts... more
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08/07/21

EDUC 301 math practice

Three girls play three rounds of a game. On each round, there are two winners and one loser. The girl who loses on a round has to double the number of chips that each of the other girls has by... more
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08/06/21

A coin has been dropped three times in a row and each time the face is observed:
What is the probability of getting a head in the second drop?
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08/06/21

Determine whether the statement below is true or false. If the statement is false, make the necessary change(s) to produce a true statement.
logb (x3 + y3) = 3 logb x + 3 logby  Utilize the sub/superscripts (x2/x2), as well as, Insert Math Equations if needed. 
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08/06/21

If I travel 50 mph what is the distance traveled
Write an Algebraic expression
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08/06/21

Determine the grams of ammonia produced when 1.15 g of hydrogen H_2 is reacted with 3.75 g of nitrogen N_2 to produce ammonia (NH_3) according to the following chemical equation: 3H_2 + N_2 → 2NH_3
Determine the grams of ammonia produced when 1.15 g of hydrogen H is reacted with 3.75 g of nitrogen N to produce ammonia (NH) according to the following chemical equation:3H + N → 2NH
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08/06/21

Physics - cell phone word question

A person accidently throws his cellphone out of an open window with a velocity of 4.5 m/s at an angle 25 ̊above the horizontal. The student looks out the window and notices a friend outside. The... more
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08/04/21

Determine which of the given points are on the graph of the equation?
Which of these points are on the graph of the​ equation? Select all that apply.Equation y = x^4 - square root of -xPoints: (0,3), (1,0), (-1,-2)
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08/04/21

Need some quick help on a homework problem
Hey,Need some quick help with a homework problem. I found the derivative for part a but I'm not sure how to do part b. The cost for a company to produce x pairs of jeans is given by... more
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08/03/21

Projectile Motion
A projectile is thrown upward so that its distance above the ground after t seconds is h = -15t^2 + 510t. What is its maximum height?
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08/01/21

Identify four ordered pairs on the graph of the function. f(x)=7/x-8
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