11/01/20

Rewrite cos 4x in terms of cos x.

Prove that 2^x+2^(x+1)=3 ‱ 2^x

Prove that 22+2x+1=3‱2x

10/31/20

How many times does the soda cross the 10 foot threshold?

You’ve been asked to build a machine for a TV commercial that launches soda bottles from ground level over a volleyball net. you estimate the soda needs to clear at least 10 feet in order to sail... more

10/31/20

What is the equation of a line parallel to y=2x+5 that goes through the point (3,2)

Paralleled to y=2x+5Poings that go through are (3,2)

10/31/20

Write and equation

The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=2 and roots of multiplicity 1 at x=0 and x=−1. It goes through the point (5,135).Find a formula for P(x).

10/30/20

solve for triangle if possible. show all work

A= 101, a= 6, b=7 solve for B, c, Y

10/30/20

please show all work and answer both parts

Adam and Brian are standing some distance apart on the same side of a building 50 m tall. From where Adam stands, the angle of elevation of the top of the building is 30 degrees. From where Brian... more

Complete the table to investigate the ticket price if the goal is to maximize the revenue

The promotion manager of a new band is deciding how much to charge for concert tickets. She has calculated that if tickets are $28 each, then 220 people will come to the concert. For every $1... more

10/30/20

Writing a function describing revenue received depending on some variable x that has to do with the sale. (Function should involve an exponential function)

A video game generally costs $28 on an online distribution platform, but is set to go on sale. At its normal price it sells 2000 copies a month. It is estimated that for every 8 dollars the price... more

Let f ( x ) = 2 √ x If g ( x ) is the graph of f ( x ) shifted down 1 units and left 6 units, write a formula for g ( x )

Let f(x)=2√xIf g(x) is the graph of f(x) shifted down 1 units and left 6 units, write a formula for g(x)

10/30/20

precal question

From the top of a 160-ft lighthouse, the angle of depression to a ship in the ocean is 24°. How far is the ship from the base of the lighthouse? (Round your answer to the nearest foot.)

10/30/20

Mathew oliverrrrr

Given j(x)=7x+21 and k(x)=x+3, what is (k-j)(x)? (k-j)(x)=

10/30/20

Parallel, Perpendicular or neither practice

What is the equation of the line that passes through the point (-3, 8) and has a slope of zero?

10/29/20

On[0,2π) solve equation

2cosxcos2x−2sinxsin2x=1

10/29/20

Translate and evaluate expressions

The product of 85 and y

10/28/20

I don't get his problem

oint J is on line segment IK‟IK. Given JK=x+6,JK=x+6, IJ=9,IJ=9, and IK=2x,IK=2x, determine the numerical length of JK‟.JK.ï»ż

10/28/20

The mean of the data for the resting heart rate of adults is 69 beats per minute, and the standard deviation is 4 beats per minute. The results of the data were normally distributed.

About what percentage of the population has a resting heart rate between 77 and 81?

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