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
Rudiy27
3 years ago
14

Factorize the Expression 81w^2 - 36wz + 4z^2

Mathematics
1 answer:
andre [41]3 years ago
7 0

Answer:

( 9w - 2z)^2

Step-by-step explanation:

81w^2 - 36wz + 4z^2

Rewriting as

(9w)^2 - 2 * 9 w 2z + (2z)^2

We  recognize that this is a perfect square binomial

a^2 -2ab + b^2 is a perfect square binomial because it factors to (a - b)^2

let a = 9w  b = 2z

81w^2 - 36wz + 4z^2 = ( 9w - 2z)^2

You might be interested in
90'
love history [14]

Step-by-step explanation:

  • right triangle is A right triangle or right-angled triangle is a triangle in which one angle is a right angle
  • acute triangle is An acute triangle is a triangle with three acute angles. An obtuse triangle is a triangle with one obtuse angle and two acute angles
  • obtuse triangle is An obtuse triangle is one that has an angle greater than 90°. Because all the angles in a triangle add up to 180°, the other two angles have to be acute (less than 90°). It's impossible for a triangle to have more than one obtuse angle.
8 0
3 years ago
PLEASE REPLY ASAP What is the formula for finding the area of a regular polygon with perimeter P and apothem length a // A.) 719
lianna [129]
Area = 1/2 perimeter times the apothem
6 0
3 years ago
A bucket was 4/7 of the way
mestny [16]

Answer:

2 1/3 minutes

Step-by-step explanation:

4/3 minute = 80 seconds

80/4 (from 4/7) =

20 seconds per 1/7

20 * 7 = 140

140 to minutes = 2minutes and 20 sec or 2 1/3 minutes

3 0
3 years ago
Find the zeroes of the function f(x).<br> f(x)=(x–3)(x+4)
Ymorist [56]

Answer:Set \displaystyle f\left(x\right)=0f(x)=0.

Step-by-step explanation:

Set \displaystyle f\left(x\right)=0f(x)=0.

If the polynomial function is not given in factored form:

Factor out any common monomial factors.

Factor any factorable binomials or trinomials.

Set each factor equal to zero and solve to find the \displaystyle x\text{-}x- intercepts.

5 0
2 years ago
Work out the question below
Andrews [41]

Answer:

he needs 20.25 bags of sand and it would cost her 80.79

Step-by-step explanation:

150cm*90cm*15cm=202,500cm^3 this is how much sand she needs to fill it

202,500cm^3/10,000cm^3=20.25 this is how many bags he needs

3.99*20.25=80.79 this is how much it'll cost him for all 20.25 bags

6 0
2 years ago
Other questions:
  • Suzy earns $7.50 per hour. She worked 32.5 hours last week. What was the amount of her check?
    15·2 answers
  • A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. If each of the semi circles h
    15·1 answer
  • What present of 25 is 23
    8·1 answer
  • The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each
    15·1 answer
  • a pet store sells tropical fish one week they sell 18 angelfish, 6 tetras,and 39 guppies . the owner uses ratios of sales to com
    8·1 answer
  • The mass of Parcel A was 0.7kg. Parcel B was heavier than Parcel A. Parcel C had the same mass as Parcel B. The total mass of th
    8·1 answer
  • Use the Venn diagram to calculate conditional probabilities.
    9·2 answers
  • Solve the equation: <br> p-19/6= -15/6<br><br> The slash is the fraction bar jsyn :)) pls help
    11·2 answers
  • What is the slope of the line between (3, 10) and (5,8)?<br> HELP!!!
    13·1 answer
  • 2x+y=7 however im looking for y <br> please help out with this T_T
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!