a, b and c are three different positive integers. What is the smallest possible value of a2b3c?

This is a power and indices problem from a collins connect textbook (GCSE Frameworking Edexcel)

09/17/18

vertex form of 7x^2 − 14x + 1

find standard form 

Find a second-degree polynomial P such that P(1) = 2, P'(1) = 5, and P''(1) = 8.

 I am supposed to find a second degree polynomial, but I don't understand where I am supposed to start.

This is a challenge problem in my Honors Algebra II class. I need to understand how to configure this problem so that I can solve it.

Two people are on a 1-mile long track. One is walking clockwise at 3 mph, and the other is running at 8 mph counter clockwise. If they are together when they start in how many minutes will they meet?

Find a point on the y-axis that is equidistant from the points (6, −6) and (3, 3).

Find a point on the y-axis that is equidistant from the points (6, −6) and (3, 3).

what value of t for 8t^2/3t^2+5 will equal less than 1

need an explanation and to be shown

09/16/18

graphs and functions -

Assuming that f(x)=(x-1)/(x+1), show that f(x-1/x+1)=-1/x.

09/16/18

I wanted to know how to reduce 3x3 matrix into diagonal form

Matrix is- 1st row  1  2  -2 2nd row  1. 2. 1 3 row -1 -1 0

09/15/18

how can you find the range of the function with domain {−3, 1, 4.5}? f(x) = 2x2

I dont understand how to find the range I get really stuck on these problems

09/15/18

Find a unit vector in the xy plane that is perpendicular to a=3i-5j+k

Please show to the details step

A metallic pipe is 0.7cm thick. Inner radius of the pipe is 3.5cm and length is 5dm.Find it's total surface area.

It's a mensuration word problem of class 8th. Here we have to find total surface area of the metallic pipe.

Integration of 1/(xe^x - x) with respect to x

Simple integration Please answer  

09/14/18

finding average speed

kester and sam cycle from the same place at the same time in opposite directions. after 2 hrs, they will be 57 km apart. if they cycle from the same place in the same direction, after 2 hrs they... more

09/14/18

find the perimeter of triangle with vertices A(-7,1), B(-3,1), C(-7,4)

Is there a shorter way to calculate it without using the distance formula each time?

09/14/18

Let f(x) be the piecewise

Let y=f(x) be the piecewise defined function given below. f(x)=⎧⎩⎨⎪⎪−x−1,0,x−1, if x≤−1, if −1<x<1, if x≥1.a. f(−2)= help (numbers) b. f(1)= 0 help (numbers) c. For what values of x is... more

09/14/18

Calculus: Tangent line

Find an equation of the tangent line to the graph of f(x)=1/x^4  a) at (1,1)  b) at (3,1/81) c) at (-2,1/16)

09/13/18

Word problem for pre calculus.

The function     P= 120+30sin 2(pi)t   models the blood pressure (in millimeters of mercury) for a person who has a (high) blood pressure of 150/90; t represents time in seconds.     C)... more

09/13/18

Find all angles θ between 0° and 180° satisfying the given equation sin(θ) = 1/8

This is a trig question my math teacher gave and i am confused. I thought the answers were 4.2 and 172.8

09/13/18

(dP)/(dV)((nRT)/(V-nb)-(an^(2))/(V^(2)))

how do you do the derivative of this?

Problem solving and reasoning

The price of shares in a company named ‘Aspire’ rose and then fell during one day of trade. Trade began at 10 am and closer at 4pm. It was noted that the company’s share price followed the cure P=... more

09/13/18

Identify the inner function u = g(x) and the outer function y = f(u)

y = tan(πx)

09/13/18

Find an equation of the tangent line to the curve at the given point.

y = 2x + 4 cos(x), P = (0, 4)

What's the inverse function of g(x)=-2(x-3)^3

Find the inverse function. 

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