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
vredina [299]
3 years ago
8

Factor the expression 16a^2 -81

Mathematics
1 answer:
exis [7]3 years ago
5 0

According to short multiplication formula - different of squares:

a² − b² = (a − b)(a + b)

<h3>16a² - 81 = (4a)² - 9² = (4a - 9)(4a + 9)</h3>

You might be interested in
Is 1.1 less than or greater than or equal to the square root of two
dangina [55]

Answer:

less than

Step-by-step explanation:

the Square root of 2 is 1.4142...

3 0
3 years ago
Which is the best answer for the question below?
weqwewe [10]
18 is the right answer. The two fractions must be porportional
6 0
3 years ago
Read 2 more answers
I need help with 5 X 5 pls!
Sergio039 [100]

Answer:

it's 25

nwhhehshhjeheb

8 0
3 years ago
Read 2 more answers
PLS HELP ASAP I DONT HAVE TIME FOR THIS, IT ALSO DETECTS IF ITS RIGHT IR WRONG
Airida [17]

Answer:

A, or 50.24 ft.

Step-by-step explanation:

Doing the equation above, we know the radius of the circle, which is 8 ft.

8ft times 2 is 16ft.

16ft times pi gives us (rounded) 50.24 ft.

8 0
3 years ago
Please help I will give you a brainliest
LUCKY_DIMON [66]
Look at the picture attached

4 0
2 years ago
Other questions:
  • For place values that occur to the left of the decimal point, each place value is ten times ______ than the place value to its r
    8·1 answer
  • If Benito earns $187.50 for 12.5 hours of work, how many hours must he work to earn $465.00?
    9·1 answer
  • Can someone help me in the problem above
    6·1 answer
  • The temperature at sunrise is 36F. Each​ hour, the temperature rises 4F. Write an equation that models the temperature​ y, in de
    12·1 answer
  • What is the answer for this
    6·1 answer
  • Please help me with this!!!!
    8·2 answers
  • A theater company has raised $810.75 by selling 15 floor seat tickets. Each ticket cost the same.
    8·2 answers
  • Can someone pls help me<br> Pls
    7·1 answer
  • PLSSS HELP IF YOU TURLY KNOW THISS
    6·2 answers
  • What is the unit rate of change of d with respect to t? (That is, a change of 1 unit in t will correspond to a change of how man
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!