10/17/19

geometric sequence

find the ninth term of the geometric sequence, given the first term and common ratioa1= 1r= -1/3

Simple Perimeter question

The perimeter of the rectangular playing field is 306 yards. The length of the field is 66 yards less than double the width. What are the dimensions of the playing​ field?

10/16/19

The sum of 14 and a number is equal to 17

10/16/19

5 increased by 7 times a number equals 19

Sally ordered her groceries online. She accidentally ordered 120 pounds of flour (instead of 10 pounds) and only uses five pounds of flour every two months. (more below)

the equation that represents this situation is: y=-5/2x + 120why is 120 pounds the y intercept?

10/02/19

Drawing a red marble, put it back, and then drawing a yellow marble?

Given that a box has 3 blue marbles, 2 red marbles, and 4 yellow marbles, use the probability formulas to answer the following questions.What is the probability of...

09/27/19

A number that is no more than 20

Compute f'(x) in three different ways

f(x)=(2x^2-5)^21.) multiplying out and then differentiating2.) Using the product rule3.) Using the chain ruleShow that the results coincide

Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30.

Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30. If you use synthetic division, show all three lines of numbers.

09/23/19

Having trouble with a pre calc problem.

Ive gotten most of the way through it. its f(x)=x^(4)-2x^(3)+x^(2). Im trying to identify the zeros, and cant seem to get there. ive worked it down to (x^(2))(x^(2)-2x+1) and need to find 2 values... more

09/23/19

Precalculus linear model

the chart to the right shows a country’s annual egg production. model the data in the chart with a linear function, using the points (1994,51.7) and (1998,60.6). let x represent the year, where x=0... more

09/23/19

find the height of the building

The angle of elevation to the top of a building in a city is found to be 3 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height of... more

09/21/19

I need help with probability

what is the probability of choosing a red skittle ?Red : .1206Yellow: .2069Green: .1379Purple: .2413Orange: .2931

09/19/19

Find the derivative of each of the following functions using the definition of derivative

a) f(x)=ax+b (Assuming that a and b are non zero constants.)

09/19/19

I am trying to find x in a simple algebra equation

3 times X - 2 > -3what is X?

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