JamesE16 JamesE16
  • 12-07-2017
  • Mathematics
contestada

-3a^2-b^3+3c^2-2b^3 if a=2 b=-1 c =3

Respuesta :

texaschic101
texaschic101 texaschic101
  • 12-07-2017
-3a^2 - b^3 + 3c^2 - 2b^3......when a = 2, b = -1, and c = 3

-3(2^2) - (-1^3) + 3(3^2) - 2(-1^3) =
-3(4) -(-1) + 3(9) -2(-1) =
-12 + 1 + 27 + 2 =
-12 + 30 =
18 <==
Answer Link
fxhmstysy fxhmstysy
  • 12-07-2017
3(4)-(-1)^3+3(9)-2(-1)^3=
-12+1+27+2=18
(-1)^3 is -1, and if there is a minus sign before it, the term will be positive.
Answer Link

Otras preguntas

A department store is having a 55% off sale on all sport coats. If you have a coupon for an additional 10% off of any item, how much will a $230.00 sport coat c
Jack, Jill, and Ron share a 2-bedroom apartment. Rent is represented by R. The water bill is $20 per person. The electric bill is $250 a month. Jill will be pic
Evaluate the expression (11/7)(5/3)(3/1)
What responsibility did the alliance systems play in the outbreak of the war
Use the following words to write your own poem for your school'S POENTRY COMPETITION--bed-red-head-said-fed--see-bee-free-tea-agree--ship-lip-slip-equip-skip--e
How to solve this problem .         0.3 [1.57 – (0.6)²]
one-sixth of a number is 66
Explain why volcanoes are common in the Ring of Fire.
An author is having a book signing at a store. He agrees to give 5% of his profit to literacy programs and 15% of his profit to his manager. If he makes a profi
Evaluate the expression (11/7)(5/3)(3/1)