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
kakasveta [241]
3 years ago
10

If x=3 and y=-2 then x2 - xy x²+2y

Mathematics
2 answers:
laila [671]3 years ago
7 0

Answer:

2.4

Step-by-step explanation:

x = 3, y = -2

x2 - xy/x² + 2y

=x2 - xy

=(3)2 - 3 × (-2)

6 - (-6)

= 12

x² + 2y

= 3² + 2(-2)

= 9 + -4

= 5

12/5

= 2.4

Naddika [18.5K]3 years ago
4 0

Answer:

Step-by-step explanation:

(3)*2=6

-

(3)*(-2)=-6

6-(-6)=12

3*3=9

+2(-2)=-4

9+ -4= 5

You might be interested in
F(x)=-x^2-5 find the range
lina2011 [118]

x =  \frac{ - b}{2a}  \\  =   \frac{0}{2(1)}  = 0 \\ f(0) = (0)^{2}  - 5 \\  = 0 - 5 =  - 5
The vertex is at (0,-5), therefore the range goes from (-infinity, - 5]
4 0
3 years ago
3/8 as a decimal I need help
vovangra [49]

Answer:

0.375

Step-by-step explanation:

= 3/8

= 3 ÷ 8

= 0.375

7 0
3 years ago
Read 2 more answers
Lawrence wants to drive from Durban to Johannesburg 550km. If he travels at an average speed of 100km/hr, how long does he tale
Dafna1 [17]

Answer:

5.5hr

Step-by-step explanation:

Distance=550Km

Speed=100Km/hr

Speed=(Distance/Time)

Time=(Distance/Speed)

Time=550/100=5.5hr

8 0
3 years ago
Read 2 more answers
Why is math so hard
sergeinik [125]
Cause it's already hard thou
Hope this help hahahahaha
7 0
3 years ago
Read 2 more answers
Given: N is the midpoint of LQ,
nlexa [21]

Answer:

6. SAS Postulate

5. ASA Postulate

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • if the third term of an arithmetic sequence is 13 and the seventeenth term is -29 what is the eighth term
    10·1 answer
  • A boat travels 33 miles downstream in 4 hours. The return trip takes the boat 7 hours. Find the speed of the boat in still water
    6·2 answers
  • Find the perimeter of a field that has length 2/x + 1 and width 5/x^2 -1.
    13·1 answer
  • Nadia makes the diagram below to represent the counter space she wants to build in her craft room.
    13·1 answer
  • It takes you 40 seconds to walk from the first​ (ground) floor of a building to the third floor. how long will it take to walk f
    12·1 answer
  • Carl’s Cable Company charges $55 for monthly service plus $4 for each pay-per-view movie. Teleview Cable Company charges $110 pe
    10·1 answer
  • Please help me with this
    11·1 answer
  • How can I tell if a triangle with side lengths 10, 24, and 26 is a right triangle?
    11·1 answer
  • Ambrose and Kaitlin are volunteering at a food bank. They both start at the same time. Kaitlin takes 13 minutes to pack a box wi
    11·1 answer
  • Factorise: 8+(b^2-2)^4-6(b^2-2)^2
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!