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
andreev551 [17]
3 years ago
7

Factor each trinomial completely. 4x^2 - 25b^2 and x^2 - 81

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Step-by-step explanation:

4x2 - 25b2

We can solve it by the squares so

(2x - 5b) (2x + 5b)

2) x2 - 81

The same case is here so

(x - 9) (x + 9)

You might be interested in
The Smith family made a 12-pound turkey for dinner. If each person will eat of a pound, how many
postnew [5]
It will take 12 people to finish the turkey
3 0
3 years ago
Read 2 more answers
A salesman is paid $450 a week, plus a commission of 35 cents for every item that he sells. Write a linear function where the pa
Ratling [72]

Answer:

Step-by-step explanation:

1400×0.35

490+450

940

3 0
2 years ago
Read 2 more answers
1. The 4th, 5th, and 6th terms of an arithmetic sequence are 19, 23, and 27 respectively. What is the first
babymother [125]

Answer: 7

Step-by-step explanation: The only pattern in this sequence that I can see is addition by 4. Therefore, the 3rd term is 15, the 2nd is 11, the 1st is 7.

Please consider Brainliest.

8 0
1 year ago
Last year, the school library had a total of x books. Over the summer, the library acquired another 31 books and now has a total
tester [92]

Answer:

A is your answer.

Step-by-step explanation:

6 0
3 years ago
Help me out with these two questions lol
Mashcka [7]

Answer:

94.2 cm

62.8 inch

Step-by-step explanation:

The circumference of a circle is 2πr, where r is the radius.

The diamater is twice the radius, d=2r.

1) 2π·15 ≈ 94.2 cm

2) r = 10 inch. 2π·10 = 62.8 inch.

6 0
2 years ago
Read 2 more answers
Other questions:
  • . In the design of an electromechanical product, 12 components are to be stacked into a cylindrical casing in a manner that mini
    10·1 answer
  • Write an equation for the horizontal line that contains point E(-3, -1)
    15·1 answer
  • 99pts WILL GIVE BRAINLIEST Use the diagram and given information to answer the questions and prove the statement. Given: X Z 
 P
    11·1 answer
  • Evaluate and answer in standard form:<br><br>(3^2)^2​
    10·1 answer
  • Write an equation for a line thst is perpendicular to the line given by x=5 and passes through 1,0
    7·1 answer
  • 39.54 divided by 3 please.
    10·2 answers
  • The table below shows the number of kilometers Jessica ran this weekend.
    9·2 answers
  • Someone help and plz make sure it’s right :)
    9·2 answers
  • Solve the polynomial x(x-6)=0
    12·1 answer
  • Of the tunc
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!