frances8049 frances8049

02-02-2015
Mathematics

contestada

If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

Respuesta :

02-02-2015

[tex]x=-1, \ y=2 \\ \\ 2x^3-3xy=2 \times (-1)^3-3 \times (-1) \times 2=2 \times (-1) +6=-2+6=4[/tex]

Answer Link

Otras preguntas

Write a clear problem statement plus the objective of your project on poor service delivery

In one month, Jillian made 36 local phone calls and 20 long distance calls. What was her ratio of local calls to long distance calls for that month? A. 3

Who owned everything in Egypt? a. shah b. pharaoh c. people d. priests

What is the climate in equatorial Africa? a. Tropical b. Dry c. Temperate d. Continental

Can anyone help me with 16,18,and 19 please

As I was calling my friend _____. Which ending correctly completes the sentence? late yesterday afternoon and leaving a message the phone went dead to get infor

Coleridge's "Kubla Kahn" was based on _____. his trips to the Orient Coleridge's dream vision Coleridge's childhood dreams none of these

What is , 12-1x0+4÷2???

According to the food pyramid, you should eat approximately 2 cups of vegetables per day.

A monopolist will have a marginal revenue curve that is - identical to the demand curve. identical to the marginal cost curve. below the demand curve. above the