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Precalculus Math Calculus

12/01/22

Math Question That I Need Help On

A rumor about canceling spring break is being spread around a school. The following equation models the number of students in the school who have heard the rumor after t days:Equation: N (t) =... more

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Precalculus

12/01/22

rewrite the following as a single expression

Rewrite the following as a single expression using only sine or only cosine.sin(48/43x)cos(1/4x)+cos(48/43x)sin(1/4x)

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Precalculus

12/01/22

Find the equation for (191,149) and (231,180)

This is for a major project I have any help would be amazing I’m so confused rn

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Precalculus

12/01/22

word math problem

Actinium-227 is a radioactive substance that decays according to the following function, where y0 is the initial amount present, and y is the amount present at time t (in years).y=y0e^−0.0321tFind... more

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Precalculus Math Calculus

12/01/22

math problem question

At 11:00 am, a body was found within a closed room of a mansion where the air temperature is a constant 70 degrees F. At the time of discovery, the core temperature was determined to be 85 degree... more

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Precalculus

12/01/22

If csc(x) = 9, for 90° < x < 180°, then

sin(x/2) = cos(x/2) = tan(x/2) =

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Precalculus

12/01/22

Using a double-angle or half-angle formula to simplify the given expressions.

a) if cos^2(25°)-sin^2(25°)=cos(A°), thenA= _____ degreesb) if cos^2(7x)-sin^2(7x)=cos(B), thenB= _____ .

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Precalculus

12/01/22

Arc Length and Application of Arc Length

Find the distance the earth travels in one day in its path around the sun. Assume that a year has 365 days and that the way of the Earth around the sun is a circle of radius 93 million miles. Round... more

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Precalculus

12/01/22

A hamster runs at a speed of 8 centimeters per second in a wheel of radius 15 centimeters.

a) What is the angular velocity of the wheel? (in radians/sec) b) How fast will the wheel spin in revolutions per minute?

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Precalculus

12/01/22

A hamster running in a wheel of radius 14 cm spins the wheel one revolution in 10 seconds.

a) What is the angular velocity of the wheel? (in radians/sec) b) At what linear velocity is the hamster running? (in cm/sec)

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Precalculus

12/01/22

A hamster running in a wheel of radius 13 cm spins the wheel at 13 revolutions per minute.

a) What is the angular velocity of the wheel? (in radians/sec) b) At what linear velocity is the hamster running? (in cm/sec)

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Precalculus Math Algebra 1 Algebra 2

12/01/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more

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Precalculus

11/30/22

If sec ( x ) = 17/15 (in Quadrant-I), find cos ( 2 x ) =

Thank you

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Precalculus

11/30/22

Suppose that the terminal point determined by t is the point (12/13, 5/13) on the unit circle. Find the terminal point determined by each of the following.

1) Find the terminal point for t+3pi(x,y）= 2) Find sin（t）3）Find Cot（t）

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Precalculus

11/30/22

Find the power of the complex number in polar form using DeMoivre's Theorem.

(1-i√3)3Answer :____cis____

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Precalculus Math Algebra 1 Algebra 2

11/30/22

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55Use the geometric... more

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Precalculus Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more

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Answers •2

Precalculus Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more

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Answers •3

Precalculus Math Algebra 1 Algebra 2

11/30/22

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55Use the geometric... more

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Answers •2

Precalculus Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more

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Answers •2

Precalculus Math Algebra 1 Algebra 2

11/30/22

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height it fell from. Let an represent the maximum height of the ball on the nth bounce.A). an = 20... more

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Precalculus Math Algebra 1 Algebra 2

11/30/22

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height it fell from. Let an represent the maximum height of the ball on the nth bounce.A) Find a... more

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Precalculus

11/30/22

Sinusoidal Function

A graph goes through the points (−7,−3) and (3,−3). Find a sinusoidal function that matches the given graph. If needed, use at least 3 decimal digits.

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Precalculus

11/30/22

direct variations

Using Earth's time of 1 year and mean distance of 93million miles. Find the equation relating T and a. What the question is aaking? 93 milliona=1t?

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Precalculus

11/29/22

Find the solutions to the equation in the interval 0 ≤ 𝛽 ≤ 𝜋 .

2 cos(2𝛽) + 1 = 0𝛽 =

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Math Question That I Need Help On

rewrite the following as a single expression

Find the equation for (191,149) and (231,180)

word math problem

math problem question

If csc(x) = 9, for 90° < x < 180°, then

Using a double-angle or half-angle formula to simplify the given expressions.

Arc Length and Application of Arc Length

A hamster runs at a speed of 8 centimeters per second in a wheel of radius 15 centimeters.

A hamster running in a wheel of radius 14 cm spins the wheel one revolution in 10 seconds.

A hamster running in a wheel of radius 13 cm spins the wheel at 13 revolutions per minute.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

If sec ( x ) = 17/15 (in Quadrant-I), find cos ( 2 x ) =

Suppose that the terminal point determined by t is the point (12/13, 5/13) on the unit circle. Find the terminal point determined by each of the following.

Find the power of the complex number in polar form using DeMoivre's Theorem.

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height

Sinusoidal Function

direct variations

Find the solutions to the equation in the interval 0 ≤ 𝛽 ≤ 𝜋 .

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