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
Oxana [17]
3 years ago
9

Evaluate 2b² - 3b + 4a² for a= -6 and b=8

Mathematics
1 answer:
eduard3 years ago
7 0

Answer:

Step-by-step explanation:

2b^2 - 3b + 4a^2........a =-6 and b = 8

now we sub

2(8^2) - 3(8) + 4(-6^2)

2(64) - 24 + 4(36)

128 - 24 + 144

272 - 24

248 <==

You might be interested in
Is someone good at geometry i really need help the question doesnt make sense
Nady [450]
<span>M1=[<span>(4a+0)/2 <span>,(4b+0)/2] = (2a, 2b)
</span></span></span>M2=[(4c+4d)/2 ,(4b+0)/2] = [2(c+d) , 2b]

answer
coordinate points (x,y) :
(2a, 2b) , [2(c+d) , 2b]
5 0
3 years ago
What is the estimate of 2854 times 9
andrew11 [14]
Estimate of 2854 = 3000
so 3000 times 9 = 27000
8 0
2 years ago
Read 2 more answers
7 divided by 2114 it is really hard
Ronch [10]

Answer:

.00331125

Step-by-step explanation:

3 0
2 years ago
Solve for x in the literal equation -20=xy +z.​
erastovalidia [21]

Answer:

-(20+z)/y = x

Step-by-step explanation:

-20=xy +z

Subtract z from each side

-20 -z = xy+z-z

-20 -z = xy

Divide each side by y

(-20 -z)/y = xy/y

Factor out a negative

-(20+z)/y = x

5 0
3 years ago
What is described as a line, segment or Ray that bisects a segment at a right angle?
Elena L [17]

Answer:

something perpendicular probably

7 0
3 years ago
Read 2 more answers
Other questions:
  • Last weekend, Lena worked 7.5 hours on Friday, 9.75 hours on Saturday, and 6.25 hours on Sunday.
    10·2 answers
  • What is the product?<br> 5<br> -2<br> -6<br> 2
    6·1 answer
  • Compare 5.7145... and √29.
    7·1 answer
  • C is the midpoint of segment AB. Find the value of m+k.
    13·1 answer
  • 12 decreased by 8 times a number is 36
    6·1 answer
  • Daphne drives 500 miles to visit her sister. She stops for lunch 375 mi. What percentage of the trip had Daphne completed when s
    11·2 answers
  • Please help i'm really stuck
    10·2 answers
  • What's -0.25 as a fraction
    10·1 answer
  • Increase 69 L by 28%​
    6·2 answers
  • What two integers have a sum of zero and why​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!