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
Ainat [17]
2 years ago
15

How do I factorise this?9x²-1​

Mathematics
1 answer:
mr Goodwill [35]2 years ago
8 0
(3x-1)(3x+1)

Explanation:
Since they are both squared 9x^2 and 1^2
Also there is a “-“
So we use this formula to factorize :
a^2 - b^2 = ( a-b) (a+b)
You might be interested in
Greatest to least decimals :>
blondinia [14]

Answer:if the number has a single digit after the decimal add a 0 next to it

Step-by-step explanation:22: 0.1, 0.5, 23: 0.6. 0.20, 0.29, 0.92

24: 0.56, 1.78, 4.09

6 0
3 years ago
How do you portion 24 into 4 equal groups?
Ratling [72]
6 people per group 6 people * 4 groups = 24 portions
7 0
3 years ago
Read 2 more answers
What does sum mean I math?​
Andreas93 [3]

Answer:

the sum in math turms is addition.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Erica earns $6 an hour helping her grandmother. Her goal is to earn $48 this weekend
denpristay [2]

Answer:

h = 48 ÷ 6

she has to work for 8 hours

Step-by-step explanation:

Given:

1hr = $6

$48 = ?

let no. of hours be "h"

equatuon: h = 48 ÷ 6

solution: h = 8

= 8 hours

6 0
2 years ago
Angle M has a measure of 36° and Angle N has a measure of 24°. Are these two angles congruent?
Verdich [7]
No, because congruent angles have the same measure
8 0
3 years ago
Other questions:
  • The countin numbers and their opposites, along wit zero are ?
    8·1 answer
  • What are some facts about expressions
    9·1 answer
  • a pitcher can hold 8 times as much as a glass. the pitcher holds 64 ounces which model shows this comparison.
    7·1 answer
  • 3^4=81. How do you write as a logarithm
    11·1 answer
  • Suppose you deposited $83,000 into this account. How much would the account be worth after 4 days, assuming that the account com
    15·1 answer
  • A byte consists of 8 bits. A kilobyte is 2^10 bytes. How many bits are in a kilobyte?
    14·1 answer
  • 8^3 + 5^4<br> *<br><br> PLEASEEE HELPPP OMGGG
    15·2 answers
  • What is the measure of angle 4?
    9·1 answer
  • Which of the following functions maps 3 to –5?
    13·2 answers
  • What is the slope of the line shown below?<br><br> A. 3/2<br> B. 2/3<br> C. -3/2<br> D. -2/3
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!