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
levacccp [35]
3 years ago
11

I need help with this(explain). what is the value of the expression 2x^2 + 3xy - 4y^2 when x=2 and y= -4 ​

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer: The answer is -80

Step-by-step explanation:

2(2^2)+(3)(2)(−4)−4(−4)^2

2(2^2)+(3)(2)(−4)−4(−4)^2

=−80

You might be interested in
John bought four of the same items and
hodyreva [135]
The answer is C. 5.35
8 0
3 years ago
6)<br> Simplify<br> 12<br> A)<br> B<br> 5<br> BV<br> D<br> BV
shtirl [24]

Answer:

"The square root of 12 is represented in the radical form as √12, which is equal to 2√3. Since 2√3 cannot be further simplified, hence such roots are called surds"

Step-by-step explanation: I just looked it up-

5 0
3 years ago
CAN SOMEONE HELP ME WITH THIS
katen-ka-za [31]

The answer is B not any other mostly because you need to

subtract both equations to remove the variable.

7 0
3 years ago
Which measure of center best represents each set of data?
brilliants [131]
Median= 3
Range= 5
Mode= 3
Mean= 4
8 0
4 years ago
g The height (in inches) of adult men in the United States is believed to be Normally distributed with mean μ μ . The average he
ELEN [110]

Answer:

daSdadaSdad

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • What the area of the irregular polygon 4 units,2 units,9 units.4 units
    10·1 answer
  • How many times does 6 go into 85
    9·2 answers
  • WHAT IS MEANT BY THIS STATEMENT AND WHAT IS ITS ANSWER
    5·1 answer
  • Using the circle below, determine the coordinates of the center and the length of the radius.
    14·1 answer
  • How do I solve this?
    12·1 answer
  • Which number is not written in scientific notation??
    15·1 answer
  • How do u write (-1,-2) m=3 in point slope-form
    15·1 answer
  • PLEASEEEEEE HELP!!<br> I WILL GIVE BRANLIEST TO CORRECT ANSWER
    6·2 answers
  • HELP ME PLEASEEEEEEEEEEEEEEEEEEE
    13·1 answer
  • I opened a grocery account at my bank with $100. Every week thereafter, I withdraw $45 from the account to pay for groceries. If
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!