31 Answered Questions for the topic Pre Calculus Honors

09/20/18

#### how do you solve by using sythetic division

i dont understand how we use synthetic division and factoring to find the answer

09/17/18

#### Pre Calculus question

1. a sheet of metal 20 by 16 inches is to be used to make a open box. squares of equal sides x are cut out of each corner then the sides are folded to make the box. find the value of x that makes...
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08/07/18

#### What is the equation of a line perpendicular to 4x-7y=23 through (2/3, -4/5) in point-slope form?

I’ve been stuck on this problem for a while. The directions are: find the equation of the line that has the given characteristic. Leave your answer in the form indicated.

07/27/18

#### How do I solve this problem?

Factor the algebraic expression below in terms of a single trigonometric function.sin^2x + sin x - 2

07/27/18

#### How do you solve this?

Use basic identities to simplify the expression.sin θ cos θ sec θ csc θ

07/09/18

#### What types of problems could this information be solved with?

Like, can you please give some examples of types of problems that could be solved using this information?
Conversions from other quadrants to 1st quadrant:Q2 to Q1: π - θ ; Q3 to Q1: θ - π ; Q4...
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04/06/18

#### A wheel is rotating at 7200 degrees per hour. what is the linear speed of a point 3 inches away from the center of the wheel

cant understand. Would be helpful if it’s step by step. Thanks

01/11/18

#### precalculus 1.7 a maximum value problem

A Rectangular sheet of cardboard measures 19 iches by 22 inches. Square with side length x are cut from each corner to form a box
a. write equation for the volume of the box created
...
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10/25/17

#### If the side of the garden parallel to the building has length x meters, express the amount of fencing needed as a function of x

A rectangular garden with an area of 250 square meters is to be located next to a building and fenced on three sides, with the building acting as a fence on the fourth side

04/27/17

#### Given f (x) = sin s - 2 and g (x) = cos x cot x , determine when f(x) + g (x)=0 for the domain [0, 2 pie)

I got x = pie over six or 5 pie over six

12/04/16

#### the function f(t)=-0.00405x^2 +8.15x-100, what is the maximum amount of profit he will make? How many hot dogs does he have to sell in order for him to earn thi

Hot Diggity Dogs is a concession choice at pensacola Blue Wahoos Stadium. The owner of the stand has figured that he can project the amount of the profit he will make per game based on the number...
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11/06/16

#### Suppose you have $500 to spend on a window frame. What is the maximum base length you can hav if the window is a semi circle and it costs $12 per linear foot?

Thank you in advance. And a formula would be excellent as well. Thank you.

09/27/16

#### express the following function f(x) as a composition of two functions f and g: f(g(x)) F(x)=x^2/(x^2 +4) Part 1: What function is g(x) Part 2: What function is

express the following function f(x) as a composition of two functions f and g: f(g(x))F(x)=x^2/(x^2 +4) Part 1: What function is g(x)Part 2: What function is f(x)PArt 3: Verify that f(g(x))=F(x)

08/11/16

#### Derivatives help URGENT

Given f(x) = -2x2 + 4, determine the slope of the secant line over the interval [-1, 2].

08/08/16

#### I really need help with converting rectangular equations to polar!!! URGENT

Set B: Rectangular to Polar: Convert these equations to polar format
2. (x–2)2 + y2 = 4
3. (x–4)2 + (y–3)2 = 25

07/29/16

#### I need help with two problems please URGENT

1) A company produces headlights for cars which are parabolic. If the equation for the headlights is x^2= 20y, how far from the vertex should the bulb be placed?
2) Many planets and other...
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07/26/16

#### 4. Find the 14th term in the sequence 1, 1/3, 1/9, … 5. Find the sum of the first 10 terms of the sequence in #4. Round to 3 decimal places. 6. Evaluate 2/3

4. Find the 14th term in the sequence 1, 1/3, 1/9, …
5. Find the sum of the first 10 terms of the sequence in #4. Round to 3 decimal places.
6. Evaluate 2/3 + 1/3 + 1/6 + …
7. Find the...
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11/30/15

#### A small radio transmitter broadcasts in a 53 mile radius. If you drive along a straight line from a city 70 miles north of the transmitter to a second city 74 m

A small radio transmitter broadcasts in a 53 mile radius. If you drive along a straight line from a city 70 miles north of the transmitter to a second city 74 miles east of the transmitter, during...
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11/22/15

#### The population of a city was 195 thousand in 1992. The exponential growth rate was 1.4% per year.

Find the exponential growth function in terms of t, where t is the number of years since 1992.
Predict the population in 2006, to the nearest thousand.
In what year will the population be...
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10/05/15

#### f(x)=-16x^2 + 40X + 50. Assume time going up to max at x=1.25 is the same as the time going down, calculate the time it takes for the ball to reach the ground.

Modeling quadratic functions. Zeroes are -.92 and 3.42.

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