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
kozerog [31]
3 years ago
10

Evaluate 3x^2 – 2xy - 4y^2

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

 Evaluate for x=2,y=−3

3(22)−(2)(2)(−3)−4(−3)2

3(22)−(2)(2)(−3)−4(−3)2

= C. −12

 

You might be interested in
What is the answer 25b • (3a2 - 1)
Usimov [2.4K]

Answer:

Step-by-step explanation:

25b * (3a² - 1) = 25b * 3a² - 25b * 1

                     = 75ba² - 25b

Distributive law upon subtraction:

a(x - y) = ax - ay

4 0
3 years ago
Read 2 more answers
(Middle school math) I just need to know the probabilities for letter a. Thank you.
lisov135 [29]

Answer:

use a tree diagram to get a visual representation over it then calculate you're probability.

4 0
3 years ago
Read 2 more answers
In the number 11.278, the 7 is located in the _____ place.
professor190 [17]
B.) thousandths because the first one is tenths and the second is hundredths. Also because it is after the decimal
6 0
4 years ago
Read 2 more answers
PLEASE HELP IM STUCK. <br><br> List the factors of the third term: 6n^3-n^2+5n/8-11
mafiozo [28]

Answer:

The factors for 5 are going to be 1 and 5 or their negative counterparts, since no other whole number within the range of 5 can be multiplied to get 5.

Make sense?

5 0
3 years ago
The figure shows a right triangle RQT with
ki77a [65]

Answer:

QT 28 RQ 50  RT SP50 i belive

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Ann needs 42feet of fabric to make a small quilt how many yards of fabric should she buy?
    10·2 answers
  • Which statement defines a function correctly
    6·1 answer
  • The length of a rectangle is 5 centimeters less then twice it's width. The perimeter of the rectangle is 26 cm. What are the dim
    10·1 answer
  • What are the x and y intercepts of 4x+2y=20
    8·1 answer
  • A train that travels 30 miles in 1/3 hour at a constant speed is going faster than a train that travels 20 miles in 1/2 hour at
    9·1 answer
  • the science club sold homemade cupcakes to raise money for a hiking trip they sold the cupcakes for 75 cents each they spent $38
    13·1 answer
  • Find the slope<br><br> -2<br> 2<br> 1/2<br> -1/2
    5·1 answer
  • Hockey teams are often confronted with the dilemma of whether or not to pull a goalie at the end of the game when they are down
    5·1 answer
  • Need help. asap. also need an explanation for the problem. :)
    11·1 answer
  • Use the square root property to solve the equation.x² = 36Select one:O A. (18)O B. {16}O C. {±6i}O D. {6}
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!