1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
expeople1 [14]
3 years ago
11

Evaluate 3xy²-y³ for x=-1 and y=2.help.​

Mathematics
2 answers:
yanalaym [24]3 years ago
7 0
The answer to this problem is -20
Annette [7]3 years ago
7 0

Step-by-step explanation:

=3xy²-y³

=3(-1)(2)²-(2)³

=3(-1)(4)-(8)

= -12-8

= -20

hope it helps.

You might be interested in
What polynomial identity will prove that 49-4=45
Svetach [21]
49 is a square given by 7x7 as is clear in your equation, 4 is a square given by 4x4 the operator given is - ( minus) you have two squares, and a difference sign a^2 - b^2 = (a-b)(a+b) 7^2 -2^2 = (7-2)(7+2) = (5)(9) = 45 it is the diffeernce of two squares
3 0
3 years ago
Arrange these numbers from least to greatest
iogann1982 [59]
A. -3/7 = -0.4286
b. -5/6 = -0.8333
c. -3/5 = -0.6000
d. -7/9 = -0.7777
bdca is least to greatest

Correct answer is D.
4 0
3 years ago
An incoming airplane is x miles due north from the control tower at an airport. A second incoming airplane is y miles due east o
MAVERICK [17]

Answer:

B. Square root

Step-by-step explanation:

using distance formula:

x = √z^2 - y^2

y = √z^2 - x^2

=> z = √x^2 + y^2

5 0
3 years ago
Read 2 more answers
I wanted to know if my answer is correct and if it isn't please correct it.
k0ka [10]

Answer:10

Step-by-step explanation:

Use the distance formula to determine the distance between two points.

the answer will be 10

4 0
1 year ago
Read 2 more answers
Someone plz help ToT
liberstina [14]

The scale factor is 1.5 because:

9 x 1.5 = 13.5

5 x 1.5 = 7.5

3 0
3 years ago
Other questions:
  • Classify the events as dependent or independent. the events of getting two aces when two cards are drawn from a deck of playing
    10·1 answer
  • I need assistance solving these questions using Cramers' Rule (which I am frankly terrible at) and need these to finish my homew
    15·2 answers
  • What is fourteen less than three fourths of a number is negative eight written as a equation
    9·1 answer
  • What is the value of √23
    9·1 answer
  • Which inequality represents all value of x for which the quotient is defined<br>√7x^2 ÷ √3x​
    6·2 answers
  • Help me with this question!
    14·1 answer
  • In fractions we have to multiply 25 to get a hundred what do we do ​
    15·2 answers
  • What property involves using opposites?
    11·2 answers
  • Please help me on this
    9·1 answer
  • Help me pleaseee please please please
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!