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
Yuri [45]
2 years ago
6

A^2−8ab+16b^2=81, find a–4b

Mathematics
1 answer:
neonofarm [45]2 years ago
4 0

Answer:

-9, 9

Step-by-step explanation:

a² − 8ab + 16b² = 81

(a - 4b)² = 81      Wrote the left-hand side as a square

 a - 4b = ±9     Took the square root of each side

All values of a - 4b are -9 and +9.

You might be interested in
The students at Kayla's school are forming teams of three students for a quiz bowl competition. Kayla is assuming that each memb
scZoUnD [109]

There are 2 instances of hhh (all girls) in the 50 trials, so the experimental probability is 2/50 = 4/100 = 0.04.

5 0
3 years ago
LAST ATTEMPT MARKING AS BRAINLIEST!! (Graph the image of the figure using the dilation given)
Iteru [2.4K]
L’ (4.5,0) J’(-4.5, -4.5) K’(-4.5,4.5) i think
5 0
2 years ago
Read 2 more answers
Please list a reason why scientific notation is important thank youuu !!
otez555 [7]

The primary reason why scientific notation is important is that it allows us to convert very large or very small numbers into much more manageable sizes. When these numbers are in scientific notation, it is much easier to work with them
6 0
2 years ago
I need help with both
Nookie1986 [14]
Hey There

According to me, 
no 1 is 
SQUARE

no. 2 is 
CONGRUENT

HOPE THIS HELPS
3 0
3 years ago
Read 2 more answers
G(x) = 4x + 2
mojhsa [17]

Answer:

4x \times 2x + 4x \times 5 + 2 \times 2x + 2 \times 5 = 8x {}^{2} + 24x + 10

6 0
3 years ago
Other questions:
  • Help ASAP
    12·2 answers
  • Pls I’m about to cry...
    13·1 answer
  • State one practical use of variation related to health statistics.
    8·1 answer
  • How does this make you feel?
    15·2 answers
  • HELP MEEEE PLEASEEEEEEE!
    15·2 answers
  • Please help me :( I really need it.
    15·1 answer
  • 1. Write the ratio as a rate,
    8·1 answer
  • Two word problems :)
    15·1 answer
  • Limit as x approaches 0 of (sin^2x)/x
    10·1 answer
  • 20 points, please help. Geometry help needed. <br> C is 56.55<br> D is 25.38
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!