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
frez [133]
3 years ago
8

144^2 - 121^2=

Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0

Answer:

<h2>b. (144 + 121)(144 - 121)</h2>

Step-by-step explanation:

Use a² - b² = (a + b)(a - b)

144² - 121² = (144 + 121)(144 - 121)

You might be interested in
76 + 4= add the ones and the tens. Do you regroup? yes or no
nikklg [1K]
76 + 4 is 80... don't know what you're asking
6 0
3 years ago
You want to decorate your wording studio with famous record album covers. The rectangular region you want to decorate measures 7
GarryVolchara [31]

Answer:

First find the area 72*63

A=4536

Then find the area 12*12

A=144

Then divide 4536/144

You would need 31.5 12 by 12in covers to decorate the rectangular region

As for the 6 by 6

You would need 126 album covers

As for the 9 by 9

You would need 51 covers

And as for the 15 by 15

You would need 20.6 covers

4 0
4 years ago
The first term of an arithmetic sequence is-3 and the 15 term is 53. What is the common difference of the sequence?
Annette [7]
a_2=a_1+d
a_3=a_2+d=a_1+2d
a_4=a_3+d=a_1+3d
...
a_{15}=a_1+14d

Since a_1=-3 and a_{15}=53, the common difference d is

53=-3+14d\implies d=4
6 0
3 years ago
How do I find one side of an angle
Dimas [21]

Answer: Can you explain more? you have to calculate it by an theorm

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help
earnstyle [38]
Aas is not d triangle buddy
8 0
3 years ago
Other questions:
  • Convert this into slope intercept from &amp; provide its slope 5x-2y=4
    6·1 answer
  • Times what times what equals48
    12·2 answers
  • -3y &gt; 9 or 2y – 6 &gt; 2<br><br> Pls solve with steps and explain
    14·1 answer
  • How far can your car go on one tank of gas if the tank holds 16 gallons and you average 23 miles of driving per gallon? 
    9·1 answer
  • This is from second grate<br><br>help me!​
    5·2 answers
  • Rebecca went on a 240 mile trip to a soccer game. On the way back, due to road construction she had to drive 12 miles per hour s
    11·1 answer
  • Can someone plz help me with this one problem plzzzzz !!!<br><br> I’M MARKING BRAINLIEST!!!
    15·1 answer
  • A bag of marbles has 5 red, 2 blue, and 3 green marbles. A marble is randomly selected. What is the probability AS A DECIMAL tha
    5·1 answer
  • Does the point (–3, 3) satisfy the equation y = x?
    5·1 answer
  • 10 cm
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!