frances8049 frances8049
  • 02-02-2015
  • Mathematics
contestada


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

Respuesta :

naǫ
naǫ naǫ
  • 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

The scale on a map shows that 1.5 centimeters represents 200 kilometers. on the map ,two cities are 6 centimeters apart. what is the actual distance between th
Estimate 306% of 25 (Please explain)
Toussaint L’Ouverture and José de San Martín are leaders best known for (1) leading independence movements (2) supporting religious reforms (3) promoting civil
Which of the following technologies was NOT created during World War II? a. computer b. antibiotics c. microwave d. atomic bombs
Name the numbers that have the absolute value of 10
One size vinyl record turns at a speed of 33 1/3 revolution per minute. If a song last for 3 1/2 minutes, how many times would the record spin.
Calculate the height of a 5 foot 10 inch man in m, mm, and cm.
your body moves food thourgh the digestive tract by using a. smooth muscle b. cardiac muscle c. extensor muscle d. Flexor muscle
does variation occur between different species?
What is the focus and directrix of the parabola y=x^2