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
Vitek1552 [10]
4 years ago
13

What is the factored form of the expression? 49b^2 – 64

Mathematics
1 answer:
nika2105 [10]4 years ago
4 0

Answer:

(7b-8) (7b+8)

Step-by-step explanation:

49b^2 – 64

This is the difference of squares

(a^2 -c^2) = (a-c) (a+c)

a^2 = 49b^2   so a = 7b

c^2 = 64  so c = 8

(49b^2 -64) = (7b-8) (7b+8)

You might be interested in
Dimension of triangle A are three times the dimensions of triangle
nikitadnepr [17]
<span>a I took the test on ingenuity</span>
8 0
3 years ago
Read 2 more answers
Write an equation for this linear function. <br>f(0)=3 and f(3)=0 <br><br>f(x)=
Jlenok [28]

Answer:

f(x)=-x+3

Step-by-step explanation:

contains (0, 3) and (3, 0)

slope = (3-0)/(0-3)=3/-3=-1

f(x)=-x+b

b=3

f(x)=-x+3

5 0
3 years ago
I would like to know how to decrease 280 by 73%
trapecia [35]

Answer:

<em>75.6</em>

Step-by-step explanation:

100% - 73% = 27%  

27% = 0.27

280 × 0.27 = <em>75.6</em>

7 0
2 years ago
What does 3 and 16 go into 10,100 or 1,000
lesya692 [45]
I think they both go into 10,000 bases of the calculations from the calculator on my phone
7 0
3 years ago
Daniel bought a new pair of shorts at the store when they were having a 5% off sale. If the regular price of the pair of shorts
castortr0y [4]
Discount =5%
Regular price =$83
Price at which daniel bought the shorts =$83-5%of$83
=$83-5×83/100
=$78.85
3 0
4 years ago
Other questions:
  • How many triangles can be constructed with three angles, each measuring 64°?<br><br> 10 POINTS
    10·1 answer
  • This is due in 15 minutes
    13·1 answer
  • Ruth has 6 chores to do. If each chore does not depend on the others, in how many different orders could she do the chores?
    9·2 answers
  • Sixth grade
    8·1 answer
  • Multiply the fractions together. B Divide 45 5 4 by 13 3 1 . C Multiply the numerators together, and multiply the denominators t
    15·1 answer
  • Find the roots of the function g(x) = I4 – 22 – 12.
    7·1 answer
  • Cindy earned $618.00 on her last paycheck. Two-thirds of what she earned was commission, How much did Cindy earn in commission o
    11·1 answer
  • What is the volume? Use the pi button on your calculator. Round to nearest hundredth. (Don't include units, just the #.)
    14·1 answer
  • HERE IS A GOODNIGHT QUESTION :)<br> - what’s something you hate?
    15·2 answers
  • The sum of two The perimeter of a rectangle is 30cm. If the length is 3 cm longer than the width, find
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!