2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Calculus Algebra Algebra2

12/10/20

A circular spinner is divided into 14 sectors of equal area. There are 3 red​ sectors, 5 ​blue, 4 ​yellow, and 2 green. Consider the experiment of spinning the spinner once.

A circular spinner is divided into 14 sectors of equal area. There are 3 red​ sectors, 5 ​blue, 4 ​yellow, and 2 green. Consider the experiment of spinning the spinner once. Find the probability... more
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12/10/20

A circular spinner is divided into 16 sectors of equal​ area: 5 red​ sectors, 5 ​blue, 3 ​yellow, and 3 green. Consider the experiment of spinning the spinner once.

A circular spinner is divided into 16 sectors of equal​ area: 5 red​ sectors, 5 ​blue, 3 ​yellow, and 3 green. Consider the experiment of spinning the spinner once. Find the probability that the... more
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12/09/20

In Problems i-iv,
a) Find the slope of the line that passes through the given points.b) Find the point-slope form of the equation of the line.c) Find the slope-intercept form of the equation of the line.d) Find the... more
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Pre Calculus Calculus Precalculus

12/09/20

3. If f(x) = x -1 and g(x) = 1 / (𝑥+1) ,
find the following functions i) f(g(x)) ii) g(f(1/2)please solve both the parts , thank you.
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12/09/20

6. In Problems i-iv, find each of the following: a) Intercepts b) Vertex c) Maximum or minimum d) Range
i) m(x) = (𝑥+1)2 – 2 ii) n(x) = (𝑥−4)2 – 3please solve, thank you very much in advance.
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Pre Calculus Calculus Pre Calculus

12/09/20

3. If f(x) = x -1 and g(x) = 1/𝑥+1 ,
find the following functions i) f(g(x)) ii) g(f(1/2) please solve both the parts , thank you.
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Pre Calculus Math Precalculus Algebra

12/08/20

What is his speed and the wind speed
A man flies a small airplane from cargo to Bismarck. North Dakota— a distance of 180 miles. Because he is flying into a head wind the trip takes him 2 hours. On the way back the wind is still... more
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Pre Calculus

12/08/20

How long should the sides of the triangle​ be?
A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 6 cm more than the shorter leg and the hypotenuse 12 cm more than the shorter leg. How long should... more
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Pre Calculus Calculus Calc Algebra2

12/08/20

A class of 50 music students includes 12 who play the​ piano, 14 who play the​ guitar, and 5 who play both the piano and the guitar.
A class of 50 music students includes 12 who play the​ piano, 14 who play the​ guitar, and 5 who play both the piano and the guitar.How many students in the class play neither​ instrument?
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Pre Calculus Calculus Calc Precalc

12/08/20

A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.
A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.​(A) How many people in the survey own either a... more
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Pre Calculus Precalculus

12/08/20

please help!!!!!!
what would y = 2(x-2) be on a graph if it was flipped about the y-axis with a horizontal asymptote of y=3
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Pre Calculus Precalculus Algebra Calc

12/08/20

A group of 100 people touring Europe includes 38 people who speak French​, 59 who speak Greek​, and 17 who speak neither language. How many people in the group speak both French and Greek​?
A group of 100 people touring Europe includes 38 people who speak French​, 59 who speak Greek​, and 17 who speak neither language. How many people in the group speak both French and Greek​?_____... more
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Pre Calculus

12/08/20

In the formula below, S(x) shows how long a student needs to study to attain a test score of x. How many hours will a student need to study to score 85?

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Pre Calculus Calculus Expression

12/07/20

Give the exact value of each expression without using a calculator.

Give the exact value of each expression without using a calculator. (a) 𝑐𝑜𝑠(2𝑐𝑜𝑠^ −1(2/5))(b) 𝑠𝑖𝑛(𝑐𝑜𝑠^ −1(1/3)+𝑡𝑎𝑛^ −1(2))
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Pre Calculus Calculus Cosine Sine

12/07/20

Pre Calculus Question

Given 𝑠𝑖𝑛𝜃 = −1 and 𝑐𝑜𝑠𝜃 > 0, find (a) 𝑠𝑖𝑛2𝜃, and (b) 𝑐𝑜𝑠2𝜃
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Pre Calculus Calculus Trigonometry Trig

12/07/20

Trig Identities

Given 𝑠𝑖𝑛 𝛼 = 7 and 𝑠𝑖𝑛 𝛽 = 3, 𝛼 and 𝛽 in quadrant II, find 25 5(a) 𝑠𝑖𝑛(𝛼 + 𝛽), (b) 𝑡𝑎𝑛(𝛼 + 𝛽), and (c) the quadrant of 𝛼 + 𝛽.
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Pre Calculus Calculus Calc Precalc

12/07/20

Use technology and the future value formula to find i. FV=​$7,426​; PMT=​$600​; n=9​; i=​?
Use technology and the future value formula to find i.FV=​$7,426​; PMT=​$600​; n=9​; i=​?i=_________​(Round to two decimal places as​ needed.)
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Pre Calculus Calculus Precalculus Calc

12/07/20

You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?
You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?Type the number of​ months: _______​(Round to... more
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Pre Calculus Precalculus Pre Calculus

12/07/20

Given an ellipse, transform its equation 3x^2 + 4y^2 − 24𝑥 - 16𝑦 + 16 = 0 into its standard form.
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Pre Calculus Precalculus Pre Calculus

12/07/20

Convert these from general form to standard form.
Determine the standard form of equation of the ellipse whose general form is given. 4x2 + 3y2 - 8x +6y - 5 = 0 9x2 + 10y2 + 54x + 100y +241 = 0 4x2 + 9x2 - 32x - 36y +64 = 0 5x2 + 9y2 +20x -180y +... more
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Pre Calculus Math Calculus Precalculus

12/06/20

Circles and lines Pre Calculus
CIRCLES AND LINES PRE CALCULUSI need help answering these two questions for a final exam. Please help 1.) Let A(1,3) and B(4,−2).  Find all points P on the y-axis such that AP⊥BP (that is... more
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Pre Calculus Math Calculus

12/06/20

Math question about circles and lines

CIRCLES AND LINES PRE CALCULUSI need help answering these two questions for a final exam. Please help 1.) Let A(1,3) and B(4,−2).  Find all points P on the y-axis such that AP⊥BP (that is ,∠APB=... more
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Pre Calculus Precalculus Pre Calculus

12/04/20

Estimate the angle to the nearest one-half radian.
________ radians
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Pre Calculus Precalculus Pre Calculus

12/04/20

Find the length of the arc on a circle of radius r intercepted by a central angle 𝜃. (Round your answer to two decimal places.)
Radius r (12 feet)Central angle 𝜃 (𝜋/4 radians)Arc length s: ______ feet
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Pre Calculus Precalculus Pre Calculus

12/04/20

Find (if possible) the complement and supplement of the angle. (Enter NONE in any unused answer blanks.)
3𝜋/4complement:supplement:
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