1,063 Answered Questions for the topic Pre-Calculus

Pre Calculus Math Precalculus Maths

01/17/22

Evaluate the following expressions. Write your answer in degree form. Cos^(-1) √3/2

Evaluate the following expressions. Write your answer in degree form. Cos^(-1) √3/2

01/09/22

log2 (x+4) +log2 (x-3) =3

Could someone walk me through the steps? I tried to factor to find x but it didn't work.
Pre Calculus Math Precalculus Maths

01/08/22

The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.71 degrees. Find the length of the rectangle.

The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.710. Find the length of the rectangle.
Pre Calculus Math Precalculus Maths

01/08/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?
Pre Calculus Math Precalculus Maths

01/07/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?
Pre Calculus Math Precalculus Maths

01/07/22

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.

 From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.
Pre Calculus Math Precalculus Maths

01/07/22

When the angle of elevation of the sun is 61 degrees, the building casts a horizontal shadow of 50 meters. How high is the building?

When the angle of elevation of the sun is 61 degrees, the building casts a horizontal shadow of 50 meters. How high is the building?
Pre Calculus Math Precalculus Maths

01/07/22

The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.71 degrees. Find the length of the rectangle

The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.710. Find the length of the rectangle
Pre Calculus Math Precalculus Maths

01/06/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?Please show illustration.
Pre Calculus Math Precalculus Maths

01/06/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.y = tan 2x
Pre Calculus Math Precalculus Maths

01/06/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes. y = -sec x
Pre Calculus Math Precalculus Maths

01/06/22

When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?

 When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?
Pre Calculus Math Precalculus Maths

01/06/22

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.
Pre Calculus Math Precalculus Maths

01/05/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41degrees. How far is the man from the building?

1.   The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

01/05/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes. 1.   y = 4... more

01/05/22

1. The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.71 degrees. Find the length of the rectangle.

1.   The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.710. Find the length of the rectangle.
Pre Calculus

12/17/21

Express the function G in the form f o g

Express the function G in the form f ∘ g. (There is more than one correct answer. The function is of the form y = f(g(x)). Use non-identity functions for f(x) and g(x).)g(x)=1/x+5
Pre Calculus Precalculus Algebra

12/13/21

pls help with algebra homework

Suppose P=f(t)  is the population (in thousands) of town t  years after 1990, and that  and f(3)=14 , and f(10)=20Find a formula for f^-1(P)f^-1(50)
Pre Calculus Precalculus Pre Calculus

12/12/21

Pre Calculus Question

As we all know the zombie apocalypse starts with a single infected human. We found that 2 hours after the first infected there are 25 total infected. Assuming the population is not smart enough to... more
Pre Calculus Calculus

12/08/21

Hi, Please help me with this problem thank you :)

Question: "Be careful to label all the important parts of the graph; y-axis;x-axis, and at least 6 pointsy= 5 sin xI get the unit circle part, but what do I do with the x

11/27/21

Find the remaining zeros of f(x)

Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 5; Zeros: -7, i, 7i
Pre Calculus Precalculus Pre Calculus

11/19/21

Sinusoidal Function (Word Problem)

At an amusement park, the Ferris wheel has a diameter of 42 ft, and it is positioned 5 feet above the ground. To ride costs 7 tickets, so Charlie wants to time the ride to make sure he gets his... more

11/03/21

Does anyone know the answer????

The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more

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